[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

WO2019144934A1 - Power grid regulation method - Google Patents

Power grid regulation method Download PDF

Info

Publication number
WO2019144934A1
WO2019144934A1 PCT/CN2019/073192 CN2019073192W WO2019144934A1 WO 2019144934 A1 WO2019144934 A1 WO 2019144934A1 CN 2019073192 W CN2019073192 W CN 2019073192W WO 2019144934 A1 WO2019144934 A1 WO 2019144934A1
Authority
WO
WIPO (PCT)
Prior art keywords
domain
regulation
adjustment amount
power
load
Prior art date
Application number
PCT/CN2019/073192
Other languages
French (fr)
Chinese (zh)
Inventor
葛维春
李家珏
朱钰
邵宝珠
王刚
孙峰
王顺江
高凯
葛延峰
苏安龙
Original Assignee
国网辽宁省电力有限公司电力科学研究院
国网辽宁省电力有限公司
国家电网有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 国网辽宁省电力有限公司电力科学研究院, 国网辽宁省电力有限公司, 国家电网有限公司 filed Critical 国网辽宁省电力有限公司电力科学研究院
Publication of WO2019144934A1 publication Critical patent/WO2019144934A1/en

Links

Images

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00Administration; Management
    • G06Q10/06Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063Operations research, analysis or management
    • G06Q10/0631Resource planning, allocation, distributing or scheduling for enterprises or organisations
    • G06Q10/06312Adjustment or analysis of established resource schedule, e.g. resource or task levelling, or dynamic rescheduling
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/06Energy or water supply
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/001Methods to deal with contingencies, e.g. abnormalities, faults or failures
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/28Arrangements for balancing of the load in a network by storage of energy
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/28Arrangements for balancing of the load in a network by storage of energy
    • H02J3/32Arrangements for balancing of the load in a network by storage of energy using batteries with converting means
    • H02J3/382
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/38Arrangements for parallely feeding a single network by two or more generators, converters or transformers
    • H02J3/46Controlling of the sharing of output between the generators, converters, or transformers
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2203/00Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
    • H02J2203/20Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/70Smart grids as climate change mitigation technology in the energy generation sector
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/20Information technology specific aspects, e.g. CAD, simulation, modelling, system security

Definitions

  • the present disclosure relates to the field of power system operation and control, for example, to a power grid regulation method.
  • Multi-source, multi-load and multi-domain multi-sources include conventional power sources: hydropower and thermal power; clean energy: photovoltaic, wind power and nuclear power; energy storage: battery energy storage, centralized heat storage and distributed heat storage; multi-hitter refers to translatable load, Including: refrigeration, air conditioning, irrigation and heating load; multi-domain refers to the power grid in the normal regulation stage, called the normal regulation domain, the grid has no normal regulation capability, is in the abnormal regulation stage, called the abnormal regulation domain, the power grid loses control ability In the state of emergency control, it is called emergency control domain; the normal control domain is controlled by hydropower and thermal power, and the abnormal control domain is controlled by energy storage, emergency control domain, and the control objects are nuclear power, wind power and photovoltaic.
  • the power grid has multiple sources including: thermal power, hydropower, nuclear power, wind power, photovoltaic, electric heat storage, battery energy storage; multi-load includes: transferable load, translatable load, interruptible load, etc.; to ensure clean energy acceptance and grid security Stable operation requires coordinated control and control of multiple sources and multiple loads; related technologies mainly focus on coordinated control between individual and multiple sources, including source-charge interaction control of thermal power, wind power, load, etc., provided by the grid, but not involved in regulation
  • the independent variables of the system do not consider the multi-source, multi-load and multi-domain coordination from the perspective of the power system.
  • the coordinated control of this mode is not suitable for the scheduling operation of the system after the large-capacity electric storage heat load is put into operation.
  • the disclosure provides a power grid regulation method to realize multi-source multi-source multi-domain coordinated regulation of a new energy power system, and is suitable for multi-source coordinated regulation of large-capacity electric storage heat load.
  • the present disclosure provides a power grid regulation method for implementing multi-source multi-load multi-domain coordinated regulation of a new energy power system, the method comprising the following steps:
  • a calculation model of the balance adjustment amount is constructed, and the demand value of the balance adjustment amount of the power system is solved according to the calculation model.
  • the adjustment amount division function of multiple control domains is defined according to the adjustment amount of multi-source and multi-load, and the boundary adjustment variable is provided for the next “source-load domain” control plane equation;
  • the partition function obtains the amount of adjustment for each control domain.
  • the "source-charge domain” control plane equation of multi-source, multi-charge and multi-domain is constructed, and the control plane of the "source-charge domain” space is depicted to guide more intuitively. Coordinated control of multiple sources and multiple domains.
  • the adjustment amount of each control domain the demand value of the balance adjustment amount and the control plane equation, the power system operating point is determined inside or outside the “source-load domain” control plane, and the initial operation condition is provided for the next control optimization model.
  • the obtained target decision vector is brought into the control plane equation to determine whether the substitution result satisfies the balance adjustment requirement, and the coordinated control of the multi-source, multi-load and multi-domain is realized.
  • the power source "source-load domain” is constructed to coordinate the control space, and a multi-source, multi-load, multi-domain control plane is drawn to monitor the actual operation of the power grid.
  • the expression of the calculation model of the system balance adjustment amount is as follows:
  • ⁇ P balance is the balance adjustment required by the system
  • P G,lim is the regulation limit of the grid rotating unit
  • P L,lim is the grid load limit
  • the expression of the adjustment amount partitioning function of the multi-control domain is as follows:
  • t is the time value of the grid operation
  • ⁇ P u,t is the adjustment amount in the normal control domain
  • ⁇ P T,max (t) is the maximum adjustment amount of the thermal power unit at time t
  • ⁇ P H,max (t) is t
  • ⁇ P un,t is the adjustment amount in the abnormal regulation domain
  • ⁇ P S,max (t) is the maximum adjustment amount of energy storage at time t
  • ⁇ P ur,t is the adjustment amount in the emergency regulation domain.
  • ⁇ P W,max (t) is the maximum adjustment of wind power at time t
  • ⁇ P P,max (t) is the maximum adjustment of photovoltaic at time t
  • ⁇ P N,max (t) is the maximum adjustment of nuclear power at time t
  • ⁇ P L,max (t) is the maximum adjustment of the interactive load at time t.
  • ⁇ P u is the regulation of normal regulatory domain
  • ⁇ P un is the regulation of abnormal regulatory domain
  • ⁇ P ur is the regulation of emergency regulatory domain
  • k u,t is the decision coefficient of normal regulatory domain
  • k un,t is the abnormal regulatory domain
  • the decision coefficient, k ur, t is the decision coefficient of the emergency regulation domain.
  • the discriminant expression for determining whether the power system operating point is inside or outside the "source-load domain" control plane is as follows:
  • margin is the system adequacy.
  • the expression of the "source-load domain” coordinated regulation optimization model is as follows:
  • ⁇ P k,t is the total amount of “source-load domain” regulation
  • is the multi-domain conversion criterion
  • ⁇ un is the criterion for the transition from the normal regulatory domain to the abnormal regulatory domain
  • ⁇ ur is converted from the abnormal regulatory domain to The criteria for emergency regulation domains.
  • the X-axis of the source-charge domain coordinated regulatory space is a normal regulatory domain
  • the Y-axis is an abnormal regulatory domain
  • the Z-axis is an emergency regulatory domain.
  • the present disclosure also provides an electronic device, including: at least one processor; a memory configured to store at least one program,
  • the at least one program is executed by the at least one processor such that the at least one processor implements any of the methods described above.
  • the present disclosure also provides a computer readable storage medium storing computer executable instructions for performing any of the methods described above.
  • the power grid regulation method fully considers the multi-source margin adjustment characteristics, the interactive load regulation characteristics, the multi-source regulation cost characteristics, the clean energy consumption maximization and the like, defines a multi-control domain scheduling mode, and introduces The decision vectors of the normal regulatory domain, the abnormal regulatory domain and the emergency regulatory domain are used to establish the source-domain coordinated control optimization model through the control priorities of different control domains, and the system can meet the sufficient demand with minimum adjustment to achieve maximum clean energy consumption. .
  • the multi-source and multi-charge control characteristics are fully considered, and the multi-source and multi-load decision strategies are fully optimized.
  • the integrated system adjustment margin, clean energy consumption, and regulation cost are comprehensively optimized. And other factors, to achieve the overall optimal allocation of system resources.
  • FIG. 1 is a flowchart of a power grid regulation method according to an embodiment
  • FIG. 2 is a schematic plan view showing a coordinated control space plane of a source domain of a clean energy grid according to an embodiment
  • FIG. 3 is a schematic diagram of a source-domain domain control plane analysis result provided by an embodiment
  • FIG. 4 is a schematic structural diagram of an electronic device according to an embodiment.
  • the power system source-domain coordinated regulation space provided by the present disclosure is shown in FIG. 2,
  • the X-axis is the normal regulation domain.
  • the power grid regulation requirements are met by hydropower and thermal power. It is the normal regulation of the grid during the lumbar load and peak period.
  • the hydropower belt has the minimum output, and the thermal power is the main peak frequency modulation or
  • the tie line in the case of the power grid in the upper load phase, is mainly based on the addition of thermal power, and the hydropower is fine-tuned. In the case of the power grid under the load phase, the fire power is mainly reduced, and the hydropower is fine-tuned.
  • the Y-axis is an abnormal regulation domain.
  • the grid is under the waist load or underestimation period, since the clean energy generation power exceeds the normal regulation capability, it is necessary to input electric heat storage and battery energy storage to ensure the grid is in normal operation state.
  • the power grid is in an abnormal operating state; the heat storage and battery regulation strategies are activated, and during the lumbar load period, the battery energy storage is first started, and then the power storage heat of the power plant and the distributed electric heat storage are started; when the valley load falls, the distributed first is started.
  • the electric heat storage and then start the electric storage heat of the power plant and the battery energy storage; in the rising period of the low valley load, the electric storage heat of the power plant is first exited, and the distributed electric heat storage is successively withdrawn according to the heat storage capacity.
  • the Z-axis is an emergency regulation domain.
  • the power generation and power curtailment strategy is regulated according to the order of nuclear power, wind power and photovoltaic, and transferable load.
  • the emergency operation state recovery process of the power grid is regulated according to the order of transferable load, photovoltaic, wind power and nuclear power.
  • the present disclosure provides a source-load-domain coordinated control method for a new energy grid, and realizes a multi-source, multi-field, multi-domain coordinated control space construction of a new energy power system.
  • the method provided by the present disclosure includes the following steps.
  • Step 110 According to the power-on mode of the whole network and the extreme value of the load, construct a calculation model of the balance adjustment amount, and solve the demand value of the balance adjustment amount of the power system according to the calculation model.
  • Step 120 Facing the multi-source power supply of the power grid and multiple types of loads, define an adjustment amount division function of the multi-control domain according to the adjustment quantity of the multi-source multi-load, and provide a boundary adjustment variable for the next “source-load domain” control plane equation; The adjustment amount of each control domain is obtained according to the adjustment amount division function.
  • Step 130 Construct a “source-load domain” control plane equation of the multi-source, multi-charge and multi-domain according to the adjustment quantity partition function of the multi-control domain and the decision coefficient of each control domain, and characterize the control plane of the “source-load domain” space, Intuitively guide coordinated control of multiple sources, multiple loads and multiple domains.
  • Step 140 Collect a real-time state of the source load operation, and determine, according to the adjustment amount of each control domain, the demand value of the balance adjustment amount, and the control plane equation, the power system operating point is inside or outside the “source-load domain” control plane, as A one-step regulation optimization model that provides initial operating conditions.
  • Step 150 Establish a “source-load domain” coordinated regulation optimization model, and optimize the operation point inside the control plane according to the regulation optimization model when the power system operation point is inside the regulation plane, and obtain different control domains.
  • Target decision vector
  • Step 160 Bring the obtained target decision vector into the control space, determine whether the substitution result satisfies the demand value of the balance adjustment amount, and realize the coordinated control of the multi-source, multi-load and multi-domain.
  • the method further includes: constructing a “source-load domain” coordination control space of the power system, and drawing a control plane of the multi-source multi-charge control domain to monitor the actual operation of the power grid.
  • the adjustable margin of the thermal power unit is 800,000 kilowatts
  • the adjustable margin of the hydropower unit is 50,000 kilowatts
  • the adjustable margin of the electric heat storage energy and the battery heat storage is 1.5 million kilowatts
  • the regulation margin achieved by wind power through power cuts is 2 million kilowatts.
  • the transfer load provides a 3 million kilowatt adjustment margin.
  • the initial value of k u,t is a first preset value, k un , the initial value of t is a second preset value, and k ur, the initial value of t is a third preset value.
  • the initial value of k u,t can be set according to ⁇ P u,t
  • the initial value of k un,t can be preset according to ⁇ P un,t
  • the initial value of k ur,t can be based on ⁇ P ur , t setting.
  • step (5) the decision vector is solved, and the decision vector is substituted into the control plane equation to determine whether the substitution result satisfies the demand value of the balance adjustment amount, and the coordinated control of multi-source, multi-load and multi-domain is realized.
  • the system keeps ample operation while absorbing new energy.
  • thermal power deep regulation, hydropower fine-tuning, and heat storage input are adopted, which operate in the normal regulation domain and the abnormal regulation domain, and do not enter the emergency regulation domain, satisfying the new energy grid. Adjusting the abundance ensures safe and stable operation of the grid.
  • the source-domain coordination control method proposed in the present disclosure obtains the highest comprehensive weighting index in the process of grid balance adjustment, which is the global optimal solution.
  • Table 2 The comparison argument table is shown in Table 2:
  • FIG. 4 is a schematic diagram of a hardware structure of an electronic device according to an embodiment. As shown in FIG. 4, the electronic device includes: one or more processors 210 and a memory 220. One processor 410 is taken as an example in FIG.
  • the electronic device may further include: an input device 230 and an output device 240.
  • the processor 210, the memory 220, the input device 230, and the output device 240 in the electronic device may be connected by a bus or other means, and the bus connection is taken as an example in FIG.
  • the input device 230 can receive input numeric or character information
  • the output device 240 can include a display device such as a display screen.
  • the memory 220 is a computer readable storage medium that can be configured to store software programs, computer executable programs, and modules.
  • the processor 210 executes a plurality of functional applications and data processing by executing software programs, instructions, and modules stored in the memory 220 to implement any of the above embodiments.
  • the memory 220 may include a storage program area and an storage data area, wherein the storage program area may store an operating system, an application required for at least one function; the storage data area may store data created according to use of the electronic device, and the like.
  • the memory may include volatile memory such as random access memory (RAM), and may also include non-volatile memory such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device.
  • Memory 220 can be a non-transitory computer storage medium or a transitory computer storage medium.
  • the non-transitory computer storage medium such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device.
  • memory 220 can optionally include memory remotely located relative to processor 210, which can be connected to the electronic device over a network. Examples of the above networks may include the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.
  • Input device 230 can be configured to receive input digital or character information and to generate key signal inputs related to user settings and function control of the electronic device.
  • the output device 240 can include a display device such as a display screen.
  • the embodiment further provides a computer readable storage medium storing computer executable instructions for performing the above method.
  • All or part of the processes in the foregoing embodiment may be performed by a computer program executing related hardware, and the program may be stored in a non-transitory computer readable storage medium, and the program may include the above method when executed.
  • the flow of the embodiment, wherein the non-transitory computer readable storage medium can be a magnetic disk, an optical disk, a read-only memory (ROM), a RAM, or the like.

Landscapes

  • Business, Economics & Management (AREA)
  • Engineering & Computer Science (AREA)
  • Human Resources & Organizations (AREA)
  • Economics (AREA)
  • Power Engineering (AREA)
  • Strategic Management (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Entrepreneurship & Innovation (AREA)
  • Theoretical Computer Science (AREA)
  • Marketing (AREA)
  • General Physics & Mathematics (AREA)
  • General Business, Economics & Management (AREA)
  • Tourism & Hospitality (AREA)
  • Educational Administration (AREA)
  • Quality & Reliability (AREA)
  • Operations Research (AREA)
  • Game Theory and Decision Science (AREA)
  • Development Economics (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • General Health & Medical Sciences (AREA)
  • Primary Health Care (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

Disclosed is a power grid regulation method. The method comprises: constructing a calculation model for a balance regulation amount, and solving a demand value of a balance adjustment amount of an electric system according to the calculation model; defining an adjustment amount division function of multiple control domains according to an adjustment amount of multiple sources and multiple loads, and acquiring an adjustment amount for each control domain according to the adjustment amount division function; according to the adjustment amount division function of the multiple control domains and a decision coefficient of each control domain, constructing a "source-load-domain" control plane equation; according to the adjustment amount of each control domain, the demand value of the balance adjustment amount and the control plane equation, determining whether a current electric system operating point is inside or outside the regulation plane; building a "source-load-domain" coordination, regulation and optimization model, and where the current electric system operating point is inside the regulation plane, optimizing the operating point inside the regulation plane according to the regulation and optimization model, so as to obtain a decision vector between different control domains; substituting the obtained decision vector into the control plane equation, and judging whether a substitution result satisfies the demand value of the balance adjustment amount.

Description

电网调控方法Power grid regulation method
本公开要求在2018年01月26日提交中国专利局、申请号为201810076453.0的中国专利申请的优先权,该申请的全部内容通过引用结合在本公开中。The present disclosure claims priority to Chinese Patent Application No. 20,181, 007, 645, filed on Jan. 26, 2011, the entire disclosure of which is incorporated herein by reference.
技术领域Technical field
本公开涉及电力系统运行与控制领域,例如涉及一种电网调控方法。The present disclosure relates to the field of power system operation and control, for example, to a power grid regulation method.
背景技术Background technique
在电网安全稳定运行中,电网平衡调节裕度是核心因素之一。多源多荷多域的多源包括常规电源:水电和火电;清洁能源:光伏、风电和核电;储能:电池储能、集中储热和分布式储热;多荷特指可平移负荷,包括:制冷、空调、灌溉和制热负荷;多域指电网处于正常调控阶段,称之为正常调控域,电网无正常调节能力,处于异常调控阶段,称之为异常调控域,电网丧失调控能力,处于紧急控制状态,称之为紧急调控域;正常调控域,控制对象是水电和火电,异常调控域,控制对象是储能,紧急调控域,控制对象是核电、风电和光伏。In the safe and stable operation of the power grid, the grid balance adjustment margin is one of the core factors. Multi-source, multi-load and multi-domain multi-sources include conventional power sources: hydropower and thermal power; clean energy: photovoltaic, wind power and nuclear power; energy storage: battery energy storage, centralized heat storage and distributed heat storage; multi-hitter refers to translatable load, Including: refrigeration, air conditioning, irrigation and heating load; multi-domain refers to the power grid in the normal regulation stage, called the normal regulation domain, the grid has no normal regulation capability, is in the abnormal regulation stage, called the abnormal regulation domain, the power grid loses control ability In the state of emergency control, it is called emergency control domain; the normal control domain is controlled by hydropower and thermal power, and the abnormal control domain is controlled by energy storage, emergency control domain, and the control objects are nuclear power, wind power and photovoltaic.
电网具有的多源包括:火电、水电、核电、风电、光伏、电储热、电池储能;多荷包括:可转移负荷、可平移负荷、可中断负荷等;为了保证清洁能源接纳和电网安全稳定运行,需要对多源多荷进行协调调控和控制;相关技术主要集中于个别多项之间的协调控制,包括火电、风电、负荷等源荷交互控制,由电网提供平台,但未涉及调控自身的独立变量,未从电力系统全局角度,统一考虑多源多荷多域协调,这种方式的协调控制不适应大容量电储热负荷投入后系统的调度运行。The power grid has multiple sources including: thermal power, hydropower, nuclear power, wind power, photovoltaic, electric heat storage, battery energy storage; multi-load includes: transferable load, translatable load, interruptible load, etc.; to ensure clean energy acceptance and grid security Stable operation requires coordinated control and control of multiple sources and multiple loads; related technologies mainly focus on coordinated control between individual and multiple sources, including source-charge interaction control of thermal power, wind power, load, etc., provided by the grid, but not involved in regulation The independent variables of the system do not consider the multi-source, multi-load and multi-domain coordination from the perspective of the power system. The coordinated control of this mode is not suitable for the scheduling operation of the system after the large-capacity electric storage heat load is put into operation.
发明内容Summary of the invention
本公开提供电网调控方法,以实现含新能源电力系统的多源多荷多域协调调控,并适用于大容量电储热负荷参与多源协调调控。The disclosure provides a power grid regulation method to realize multi-source multi-source multi-domain coordinated regulation of a new energy power system, and is suitable for multi-source coordinated regulation of large-capacity electric storage heat load.
本公开提供一种电网调控方法,实现含新能源电力系统的多源多荷多域协调调控,所述方法包括下述步骤:The present disclosure provides a power grid regulation method for implementing multi-source multi-load multi-domain coordinated regulation of a new energy power system, the method comprising the following steps:
依据全网电源开机方式、负荷极值,构建平衡调节量的计算模型,根据计算模型求解电力系统平衡调节量的需求值。According to the power-on mode and load extreme value of the whole network, a calculation model of the balance adjustment amount is constructed, and the demand value of the balance adjustment amount of the power system is solved according to the calculation model.
面对电网多源电源、多类负荷,根据多源多荷的调节量定义多控制域的调节量划分函数,为下一步的“源荷域”控制平面方程提供边界调节变量;并根据调节量划分函数获取每个控制域的调节量。Facing the multi-source power supply and multi-class load of the power grid, the adjustment amount division function of multiple control domains is defined according to the adjustment amount of multi-source and multi-load, and the boundary adjustment variable is provided for the next “source-load domain” control plane equation; The partition function obtains the amount of adjustment for each control domain.
根据多控制域的调节量划分函数和每个控制域的决策系数构建多源多荷多域的“源荷域”控制平面方程,刻画出“源荷域”空间的调控平面,以直观指导多源多荷多域的协调控制。According to the adjustment quantity partition function of multiple control domains and the decision coefficients of each control domain, the "source-charge domain" control plane equation of multi-source, multi-charge and multi-domain is constructed, and the control plane of the "source-charge domain" space is depicted to guide more intuitively. Coordinated control of multiple sources and multiple domains.
并根据每个控制域的调节量、平衡调节量的需求值和控制平面方程判别电力系统运行点在“源荷域”调控平面的内部或外部,为下一步的调控优化模型,提供初始运行条件。According to the adjustment amount of each control domain, the demand value of the balance adjustment amount and the control plane equation, the power system operating point is determined inside or outside the “source-load domain” control plane, and the initial operation condition is provided for the next control optimization model. .
建立“源荷域”协调调控优化模型,并在电力系统运行点在调控平面的内部的情况下,根据调控优化模型对在调控平面的内部的运行点进行优化,得到不同控制域间的目标决策向量。Establish a “source-source domain” coordinated regulation optimization model, and optimize the internal operating points of the control plane according to the regulation optimization model when the power system operating point is inside the control plane, and obtain the target decision between different control domains. vector.
将得到的目标决策向量带入所述控制平面方程,判别代入结果是否满足平衡调节量需求,实现多源多荷多域的协调控制。The obtained target decision vector is brought into the control plane equation to determine whether the substitution result satisfies the balance adjustment requirement, and the coordinated control of the multi-source, multi-load and multi-domain is realized.
在一实施例中,搭建电力系统“源荷域”协调控制空间,绘制出多源多荷多域的调控平面,以监控电网实际运行。In an embodiment, the power source "source-load domain" is constructed to coordinate the control space, and a multi-source, multi-load, multi-domain control plane is drawn to monitor the actual operation of the power grid.
在一实施例中,系统平衡调节量的计算模型的表达式如下:In an embodiment, the expression of the calculation model of the system balance adjustment amount is as follows:
|ΔP balance|=|P G,lim-P L,lim| |ΔP balance |=|P G,lim -P L,lim |
式中:ΔP balance为系统所需的平衡调节量,P G,lim为电网旋转机组的调节限值,P L,lim为电网负荷限值。 Where: ΔP balance is the balance adjustment required by the system, P G,lim is the regulation limit of the grid rotating unit, and P L,lim is the grid load limit.
在一实施例中,多控制域的调节量划分函数的表达式如下:In an embodiment, the expression of the adjustment amount partitioning function of the multi-control domain is as follows:
Figure PCTCN2019073192-appb-000001
Figure PCTCN2019073192-appb-000001
式中:t为电网运行的时刻值,ΔP u,t为正常调控域内具备的调节量,ΔP T,max(t)为t时刻火电机组的最大调节量,ΔP H,max(t)为t时刻水电机组的最大调节量,ΔP un,t为异常调控域内具备的调节量,ΔP S,max(t)为t时刻储能的最大调节量,ΔP ur,t为紧急调控域内具备的调节量,ΔP W,max(t)为t时刻风电的最大调节量,ΔP P,max(t)为t时刻光伏的最大调节量,ΔP N,max(t)为t时刻核电的最大调节量,ΔP L,max(t)为t时刻可互动负荷的最大调节量。 Where: t is the time value of the grid operation, ΔP u,t is the adjustment amount in the normal control domain, ΔP T,max (t) is the maximum adjustment amount of the thermal power unit at time t, ΔP H,max (t) is t The maximum adjustment amount of the hydropower unit at the moment, ΔP un,t is the adjustment amount in the abnormal regulation domain, ΔP S,max (t) is the maximum adjustment amount of energy storage at time t, and ΔP ur,t is the adjustment amount in the emergency regulation domain. , ΔP W,max (t) is the maximum adjustment of wind power at time t, ΔP P,max (t) is the maximum adjustment of photovoltaic at time t, ΔP N,max (t) is the maximum adjustment of nuclear power at time t, ΔP L,max (t) is the maximum adjustment of the interactive load at time t.
在一实施例中,“源荷域”控制平面方程的表达式如下:In an embodiment, the expression of the "source domain" control plane equation is as follows:
|ΔP balance|=ΔP u+ΔP un+ΔP ur=k u,tΔP u,t+k un,tΔP un,t+k ur,tΔP ur,t |ΔP balance |=ΔP u +ΔP un +ΔP ur =k u,t ΔP u,t +k un,t ΔP un,t +k ur,t ΔP ur,t
式中:ΔP u为正常调控域调节量,ΔP un为异常调控域调节量,ΔP ur为紧急调控域调节量,k u,t为正常调控域的决策系数,k un,t为异常调控域的决策系数,k ur,t为紧急调控域的决策系数。 Where: ΔP u is the regulation of normal regulatory domain, ΔP un is the regulation of abnormal regulatory domain, ΔP ur is the regulation of emergency regulatory domain, k u,t is the decision coefficient of normal regulatory domain, k un,t is the abnormal regulatory domain The decision coefficient, k ur, t is the decision coefficient of the emergency regulation domain.
在一实施例中,判别电力系统运行点在“源荷域”调控平面的内部或外部的判别表达式如下:In an embodiment, the discriminant expression for determining whether the power system operating point is inside or outside the "source-load domain" control plane is as follows:
Figure PCTCN2019073192-appb-000002
Figure PCTCN2019073192-appb-000002
式中:margin为系统充裕度。In the formula: margin is the system adequacy.
在一实施例中,“源荷域”协调调控优化模型的表达式如下:In an embodiment, the expression of the "source-load domain" coordinated regulation optimization model is as follows:
minΔP k,t=k u,tΔP u,t+k un,tΔP un,t+k ur,tΔP ur,t minΔP k,t =k u,t ΔP u,t +k un,t ΔP un,t +k ur,t ΔP ur,t
Figure PCTCN2019073192-appb-000003
Figure PCTCN2019073192-appb-000003
式中:ΔP k,t为“源荷域”调控总量,χ为多域转换判据,χ un为由正常调控域转换至异常调控域的判据,χ ur为由异常调控域转换至紧急调控域的判据。 Where: ΔP k,t is the total amount of “source-load domain” regulation, χ is the multi-domain conversion criterion, χ un is the criterion for the transition from the normal regulatory domain to the abnormal regulatory domain, and χ ur is converted from the abnormal regulatory domain to The criteria for emergency regulation domains.
在一实施例中,源荷域协调调控空间的X轴为正常调控域,Y轴为异常调控域,Z轴为紧急调控域。In an embodiment, the X-axis of the source-charge domain coordinated regulatory space is a normal regulatory domain, the Y-axis is an abnormal regulatory domain, and the Z-axis is an emergency regulatory domain.
本公开还提供一种电子设备,包括:至少一个处理器;存储器,设置为存储至少一个程序,The present disclosure also provides an electronic device, including: at least one processor; a memory configured to store at least one program,
当所述至少一个程序被所述至少一个处理器执行,使得所述至少一个处理器实现上述任意一种方法。The at least one program is executed by the at least one processor such that the at least one processor implements any of the methods described above.
本公开还一种计算机可读存储介质,存储有计算机可执行指令,所述计算机可执行指令用于执行上述任意一种方法。The present disclosure also provides a computer readable storage medium storing computer executable instructions for performing any of the methods described above.
本公开提供的电网调控方法,充分考虑多源的裕度调节特性,可互动负荷的调控特性,多源调控的成本特性,清洁能源消纳最大化等因素,定义了多控制域调度模式,引入了正常调控域、异常调控域和紧急调控域的决策向量,通过不同控制域的控制优先级,建立源荷域协调调控优化模型,以最小调节量满足系统充裕需求,实现最大化清洁能源消纳。通过引入了多域控制的运行新方法,完整计及了多源与多荷的调控特性,充分优化了多源与多荷的决策策略,综合系统调节裕度、清洁能源消纳、调控成本量等因素,达到系统资源调配的整体最优。The power grid regulation method provided by the present disclosure fully considers the multi-source margin adjustment characteristics, the interactive load regulation characteristics, the multi-source regulation cost characteristics, the clean energy consumption maximization and the like, defines a multi-control domain scheduling mode, and introduces The decision vectors of the normal regulatory domain, the abnormal regulatory domain and the emergency regulatory domain are used to establish the source-domain coordinated control optimization model through the control priorities of different control domains, and the system can meet the sufficient demand with minimum adjustment to achieve maximum clean energy consumption. . By introducing a new multi-domain control operation method, the multi-source and multi-charge control characteristics are fully considered, and the multi-source and multi-load decision strategies are fully optimized. The integrated system adjustment margin, clean energy consumption, and regulation cost are comprehensively optimized. And other factors, to achieve the overall optimal allocation of system resources.
附图说明DRAWINGS
图1一实施例提供的一种电网调控方法的流程图;FIG. 1 is a flowchart of a power grid regulation method according to an embodiment;
图2为一实施例提供的一种清洁能源电网源荷域协调调控空间平面示意图;2 is a schematic plan view showing a coordinated control space plane of a source domain of a clean energy grid according to an embodiment;
图3为一实施例提供的一种源荷域调控平面分析结果示意图;FIG. 3 is a schematic diagram of a source-domain domain control plane analysis result provided by an embodiment; FIG.
图4为一实施例提供的一种电子设备的结构示意图。FIG. 4 is a schematic structural diagram of an electronic device according to an embodiment.
具体实施方式Detailed ways
下面结合附图对本公开的具体实施方式进行说明。The specific embodiments of the present disclosure will be described below with reference to the accompanying drawings.
本公开提供的电力系统源荷域协调调控空间如图2所示,The power system source-domain coordinated regulation space provided by the present disclosure is shown in FIG. 2,
X轴为正常调控域,由水电和火电实现电网调控要求,是电网处于腰荷和尖峰时段的正常调控,在电网处于腰荷时段的情况下,水电带最小出力,火电为主要调峰调频或联络线,在电网处于上负荷阶段的情况下,以加火电为主,水电微调,在电网处于下负荷阶段的情况下,以减火电为主,水电微调。The X-axis is the normal regulation domain. The power grid regulation requirements are met by hydropower and thermal power. It is the normal regulation of the grid during the lumbar load and peak period. When the grid is in the lumbar load period, the hydropower belt has the minimum output, and the thermal power is the main peak frequency modulation or The tie line, in the case of the power grid in the upper load phase, is mainly based on the addition of thermal power, and the hydropower is fine-tuned. In the case of the power grid under the load phase, the fire power is mainly reduced, and the hydropower is fine-tuned.
Y轴为异常调控域,在电网处于腰荷或低估时段的情况下,由于清洁能源发电电力超出正常调控能力,需要投入电储热和电池储能,以保证电网处于正常运行状态,此时的电网处于异常运行状态;启动储热和电池调控策略,在腰荷时段,先启动电池储能,再启动发电厂端电储热以及分布式电储热;在低谷负荷下降时段,先启动分布式电储热,再启动发电厂端电储热以及电池储能;在低谷负荷上升时段,先退出发电厂端电储热,分布式电储热按储热能力相继退出。The Y-axis is an abnormal regulation domain. In the case that the grid is under the waist load or underestimation period, since the clean energy generation power exceeds the normal regulation capability, it is necessary to input electric heat storage and battery energy storage to ensure the grid is in normal operation state. The power grid is in an abnormal operating state; the heat storage and battery regulation strategies are activated, and during the lumbar load period, the battery energy storage is first started, and then the power storage heat of the power plant and the distributed electric heat storage are started; when the valley load falls, the distributed first is started. The electric heat storage, and then start the electric storage heat of the power plant and the battery energy storage; in the rising period of the low valley load, the electric storage heat of the power plant is first exited, and the distributed electric heat storage is successively withdrawn according to the heat storage capacity.
Z轴为紧急调控域,在电网处于异常运行状态的情况下,电储热和电池储能全部投入后,电网清洁能源发电电力仍然超出电网需求,此时的电网处于紧急运行状态,启动清洁能源发电限电策略,按核电、风电和光伏、可转移负荷顺序进行调控,电网紧急运行状态恢复过程,按可转移负荷、光伏、风电和核电顺序进行调控。The Z-axis is an emergency regulation domain. When the grid is in an abnormal operating state, after the electric heat storage and battery energy storage are fully invested, the grid clean energy power generation still exceeds the grid demand. At this time, the grid is in an emergency operation state, and the clean energy is started. The power generation and power curtailment strategy is regulated according to the order of nuclear power, wind power and photovoltaic, and transferable load. The emergency operation state recovery process of the power grid is regulated according to the order of transferable load, photovoltaic, wind power and nuclear power.
本公开提供一种新能源电网源-荷-域协调调控方法,实现含新能源电力系统的多源多荷多域协调调控空间的构建。参见图1,本公开提供的方法包括下述步 骤。The present disclosure provides a source-load-domain coordinated control method for a new energy grid, and realizes a multi-source, multi-field, multi-domain coordinated control space construction of a new energy power system. Referring to Figure 1, the method provided by the present disclosure includes the following steps.
步骤110、依据全网电源开机方式、负荷极值,构建平衡调节量的计算模型,根据计算模型求解电力系统平衡调节量的需求值。Step 110: According to the power-on mode of the whole network and the extreme value of the load, construct a calculation model of the balance adjustment amount, and solve the demand value of the balance adjustment amount of the power system according to the calculation model.
步骤120、面对电网多源电源、多类负荷,根据多源多荷的调节量定义多控制域的调节量划分函数,为下一步的“源荷域”控制平面方程提供边界调节变量;并根据调节量划分函数获取每个控制域的调节量。Step 120: Facing the multi-source power supply of the power grid and multiple types of loads, define an adjustment amount division function of the multi-control domain according to the adjustment quantity of the multi-source multi-load, and provide a boundary adjustment variable for the next “source-load domain” control plane equation; The adjustment amount of each control domain is obtained according to the adjustment amount division function.
步骤130、根据多控制域的调节量划分函数和每个控制域的决策系数构建多源多荷多域的“源荷域”控制平面方程,刻画出“源荷域”空间的调控平面,以直观指导多源多荷多域的协调控制。Step 130: Construct a “source-load domain” control plane equation of the multi-source, multi-charge and multi-domain according to the adjustment quantity partition function of the multi-control domain and the decision coefficient of each control domain, and characterize the control plane of the “source-load domain” space, Intuitively guide coordinated control of multiple sources, multiple loads and multiple domains.
步骤140、采集源荷运行的实时状态,根据每个控制域的调节量、平衡调节量的需求值和控制平面方程判别电力系统运行点在“源荷域”调控平面的内部或外部,为下一步的调控优化模型,提供初始运行条件。Step 140: Collect a real-time state of the source load operation, and determine, according to the adjustment amount of each control domain, the demand value of the balance adjustment amount, and the control plane equation, the power system operating point is inside or outside the “source-load domain” control plane, as A one-step regulation optimization model that provides initial operating conditions.
步骤150、建立“源荷域”协调调控优化模型,并在电力系统运行点在调控平面的内部的情况下,根据调控优化模型对在调控平面的内部的运行点进行优化,得到不同控制域间的目标决策向量。Step 150: Establish a “source-load domain” coordinated regulation optimization model, and optimize the operation point inside the control plane according to the regulation optimization model when the power system operation point is inside the regulation plane, and obtain different control domains. Target decision vector.
步骤160、将得到的目标决策向量带入调控空间,判别代入结果是否满足平衡调节量的需求值,实现多源多荷多域的协调控制。Step 160: Bring the obtained target decision vector into the control space, determine whether the substitution result satisfies the demand value of the balance adjustment amount, and realize the coordinated control of the multi-source, multi-load and multi-domain.
在一实施例中,上述方法还包括:搭建电力系统“源荷域”协调控制空间,绘制出多源多荷多控制域的调控平面,以监控电网实际运行。In an embodiment, the method further includes: constructing a “source-load domain” coordination control space of the power system, and drawing a control plane of the multi-source multi-charge control domain to monitor the actual operation of the power grid.
下面结合实施例对本公开做进行说明。The present disclosure will be described below in conjunction with the embodiments.
(1)为消纳新能源电力,常在负荷低谷时段出现平衡量不足的情况,首先,依据全网开机方式与负荷情况,为确保电网安全稳定运行,计算当前电力系统 的平衡调节量需求值:(1) In order to eliminate new energy power, the balance is often insufficient during the low load period. First, according to the whole network startup mode and load situation, to ensure the safe and stable operation of the power grid, calculate the current power system balance adjustment demand value. :
|ΔP balance|=|P G,lim-P L,lim|=|1600万千瓦-1800万千瓦|=200万千瓦 |ΔP balance |=|P G,lim -P L,lim |=|16 million kilowatts - 18 million kilowatts | = 2 million kilowatts
(2)采集电网多源电源、多类负荷运行信息,根据多源多荷的调节量定义多控制域的调节量划分函数,求解当前运行状态下,多源多荷多域的可调节值。(2) Collect multi-source power supply and multi-class load operation information of the power grid, define the adjustment amount division function of multiple control domains according to the adjustment amount of multi-source and multi-load, and solve the adjustable value of multi-source, multi-load and multi-domain under the current operating state.
Figure PCTCN2019073192-appb-000004
Figure PCTCN2019073192-appb-000004
本实施例中,正常调控域内,火电机组的可调裕度为80万千瓦,水电机组的可调裕度为5万千瓦;异常调控域内,电热储能与电池储热的可调裕度为150万千瓦;紧急调控域内,风电通过限电实现的调节裕度为200万千瓦,夜间负荷低谷时段光伏没有调节裕度,核电需带基荷运行,能提供50万千瓦的调节裕度,可转移负荷可提供300万千瓦调节裕度。In this embodiment, in the normal control domain, the adjustable margin of the thermal power unit is 800,000 kilowatts, and the adjustable margin of the hydropower unit is 50,000 kilowatts; in the abnormal regulation domain, the adjustable margin of the electric heat storage energy and the battery heat storage is 1.5 million kilowatts; within the emergency control domain, the regulation margin achieved by wind power through power cuts is 2 million kilowatts. There is no adjustment margin for photovoltaics during nighttime low load period, and nuclear power needs to operate with base load, which can provide a adjustment margin of 500,000 kilowatts. The transfer load provides a 3 million kilowatt adjustment margin.
多源多荷可调节能力如表1所示:The multi-source and multi-charge adjustable capability is shown in Table 1:
表1 多源多荷多控制域调节能力表Table 1 Multi-source multi-charge control domain adjustment capability table
Figure PCTCN2019073192-appb-000005
Figure PCTCN2019073192-appb-000005
(3)构建多源多荷多域的“源荷域”控制平面方程,求解出“源荷域”空间的调控平面,以直观指导多源多荷多域的协调控制。(3) Constructing the "source-load domain" control plane equation of multi-source, multi-charge and multi-domain, and solving the control plane of the "source-charge domain" space to intuitively guide the coordinated control of multi-source, multi-load and multi-domain.
|ΔP balance|′=ΔP u+ΔP un+ΔP ur=k u,tΔP u,t+k un,tΔP un,t+k ur,tΔP ur,t |ΔP balance |'=ΔP u +ΔP un +ΔP ur =k u,t ΔP u,t +k un,t ΔP un,t +k ur,t ΔP ur,t
=k u,t×85万千瓦+k un,t×150万千瓦+k ur,t×550万千瓦 =k u,t ×85 million kW+k un,t ×1.5 million kW+k ur,t ×5.5 million kW
在一实施例中,k u,t的初始值为第一预设值、k un,t的初始值为第二预设值、k ur,t的初始值为第三预设值。在一实施例中,k u,t的初始值可根据ΔP u,t设定,k un,t的初始值可根据ΔP un,t预先设定,k ur,t的初始值可根据ΔP ur,t设定。 In an embodiment , the initial value of k u,t is a first preset value, k un , the initial value of t is a second preset value, and k ur, the initial value of t is a third preset value. In an embodiment , the initial value of k u,t can be set according to ΔP u,t , and the initial value of k un,t can be preset according to ΔP un,t , and the initial value of k ur,t can be based on ΔP ur , t setting.
(4)采集源荷运行的实时状态,判别当前电力系统运行点在“源荷域”调控平面的内部或外部,通过优化调控使系统运行点在调控平面的外部,确保系统充裕性运行。(4) Collect the real-time status of the source-load operation, and determine whether the current power system operating point is inside or outside the “source-load domain” control plane. By optimizing the regulation, the system operation point is outside the control plane to ensure the system is running abundance.
Figure PCTCN2019073192-appb-000006
Figure PCTCN2019073192-appb-000006
(5)建立“源荷域”协调调控优化模型,并在电力系统运行点在调控平面的内部的情况下,根据调控优化模型对在调控平面的内部的运行点进行优化,得到不同控制域间的最优决策向量。(5) Establish a “source-source domain” coordinated regulation optimization model, and optimize the internal operating points of the control plane according to the regulation optimization model when the power system operating point is inside the control plane, and obtain different control domains. Optimal decision vector.
minΔP k,t=k u,t×85万千瓦+k un,t×150万千瓦+k ur,t×550万千瓦 minΔP k,t =k u,t ×85 million kW+k un,t ×1.5 million kW+k ur,t ×5.5 million kW
Figure PCTCN2019073192-appb-000007
Figure PCTCN2019073192-appb-000007
(6)依据步骤(5)求解出决策向量,将决策向量代入控制平面方程,判别代入结果是否满足平衡调节量的需求值,实现多源多荷多域的协调控制。(6) According to step (5), the decision vector is solved, and the decision vector is substituted into the control plane equation to determine whether the substitution result satisfies the demand value of the balance adjustment amount, and the coordinated control of multi-source, multi-load and multi-domain is realized.
[k u,t,k un,t,k ur,t]=[1,0.8,0] [k u,t ,k un,t ,k ur,t ]=[1,0.8,0]
(7)搭建电力系统“源荷域”协调控制空间,绘制出本实施例的多源多荷 多域调控平面,如图3所示,监控电网实际运行。(7) Set up the “source-load domain” coordination control space of the power system, and draw the multi-source multi-load multi-domain control plane of this embodiment, as shown in Figure 3, monitor the actual operation of the grid.
经多源多荷多域的协调调控,系统在消纳新能源的同时,时刻保持充裕性运行。在本实施例中,在源荷域调控空间中,采用了火电深调、水电微调、储热投入,运行在正常调控域与异常调控域中,没有进入紧急调控域,满足了新能源电网的调节充裕性,确保了电网安全稳定运行。通过实施例论证,本公开所提出的源荷域协调调控方法在电网平衡调节过程中得到了综合加权指数最高,为全局最优解,对比论证表如表2所示:Through the coordinated regulation of multi-source, multi-load and multi-domain, the system keeps ample operation while absorbing new energy. In this embodiment, in the source-charge domain control space, thermal power deep regulation, hydropower fine-tuning, and heat storage input are adopted, which operate in the normal regulation domain and the abnormal regulation domain, and do not enter the emergency regulation domain, satisfying the new energy grid. Adjusting the abundance ensures safe and stable operation of the grid. Through the example demonstration, the source-domain coordination control method proposed in the present disclosure obtains the highest comprehensive weighting index in the process of grid balance adjustment, which is the global optimal solution. The comparison argument table is shown in Table 2:
表2 实施例方案对比分析结果Table 2 Comparison of the results of the example scheme
Figure PCTCN2019073192-appb-000008
Figure PCTCN2019073192-appb-000008
图4是一实施例提供的一种电子设备的硬件结构示意图,如图4所示,该电子设备包括:一个或多个处理器210和存储器220。图4中以一个处理器410为例。FIG. 4 is a schematic diagram of a hardware structure of an electronic device according to an embodiment. As shown in FIG. 4, the electronic device includes: one or more processors 210 and a memory 220. One processor 410 is taken as an example in FIG.
所述电子设备还可以包括:输入装置230和输出装置240。The electronic device may further include: an input device 230 and an output device 240.
所述电子设备中的处理器210、存储器220、输入装置230和输出装置240可以通过总线或者其他方式连接,图8中以通过总线连接为例。The processor 210, the memory 220, the input device 230, and the output device 240 in the electronic device may be connected by a bus or other means, and the bus connection is taken as an example in FIG.
输入装置230可以接收输入的数字或字符信息,输出装置240可以包括显示屏等显示设备。The input device 230 can receive input numeric or character information, and the output device 240 can include a display device such as a display screen.
存储器220作为一种计算机可读存储介质,可设置为存储软件程序、计算机可执行程序以及模块。处理器210通过运行存储在存储器220中的软件程序、指令以及模块,从而执行多种功能应用以及数据处理,以实现上述实施例中的任意一种方法。The memory 220 is a computer readable storage medium that can be configured to store software programs, computer executable programs, and modules. The processor 210 executes a plurality of functional applications and data processing by executing software programs, instructions, and modules stored in the memory 220 to implement any of the above embodiments.
存储器220可以包括存储程序区和存储数据区,其中,存储程序区可存储操作系统、至少一个功能所需要的应用程序;存储数据区可存储根据电子设备 的使用所创建的数据等。此外,存储器可以包括随机存取存储器(Random Access Memory,RAM)等易失性存储器,还可以包括非易失性存储器,例如至少一个磁盘存储器件、闪存器件或者其他非暂态固态存储器件。The memory 220 may include a storage program area and an storage data area, wherein the storage program area may store an operating system, an application required for at least one function; the storage data area may store data created according to use of the electronic device, and the like. In addition, the memory may include volatile memory such as random access memory (RAM), and may also include non-volatile memory such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid state storage device.
存储器220可以是非暂态计算机存储介质或暂态计算机存储介质。该非暂态计算机存储介质,例如至少一个磁盘存储器件、闪存器件、或其他非易失性固态存储器件。在一些实施例中,存储器220可选包括相对于处理器210远程设置的存储器,这些远程存储器可以通过网络连接至电子设备。上述网络的实例可以包括互联网、企业内部网、局域网、移动通信网及其组合。 Memory 220 can be a non-transitory computer storage medium or a transitory computer storage medium. The non-transitory computer storage medium, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some embodiments, memory 220 can optionally include memory remotely located relative to processor 210, which can be connected to the electronic device over a network. Examples of the above networks may include the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.
输入装置230可设置为接收输入的数字或字符信息,以及产生与电子设备的用户设置以及功能控制有关的键信号输入。输出装置240可包括显示屏等显示设备。 Input device 230 can be configured to receive input digital or character information and to generate key signal inputs related to user settings and function control of the electronic device. The output device 240 can include a display device such as a display screen.
本实施例还提供一种计算机可读存储介质,存储有计算机可执行指令,所述计算机可执行指令用于执行上述方法。The embodiment further provides a computer readable storage medium storing computer executable instructions for performing the above method.
上述实施例方法中的全部或部分流程可以通过计算机程序来执行相关的硬件来完成的,该程序可存储于一个非暂态计算机可读存储介质中,该程序在执行时,可包括如上述方法的实施例的流程,其中,该非暂态计算机可读存储介质可以为磁碟、光盘、只读存储记忆体(Read-Only Memory,ROM)或RAM等。All or part of the processes in the foregoing embodiment may be performed by a computer program executing related hardware, and the program may be stored in a non-transitory computer readable storage medium, and the program may include the above method when executed. The flow of the embodiment, wherein the non-transitory computer readable storage medium can be a magnetic disk, an optical disk, a read-only memory (ROM), a RAM, or the like.

Claims (13)

  1. 一种电网调控方法,包括:A power grid regulation method includes:
    构建平衡调节量的计算模型,根据所述计算模型求解电力系统平衡调节量的需求值;Constructing a calculation model of the balance adjustment amount, and solving the demand value of the balance adjustment amount of the power system according to the calculation model;
    根据多源多荷的调节量定义多控制域的调节量划分函数;并根据所述调节量划分函数获取每个控制域的调节量;Defining an adjustment amount division function of the multi-control domain according to the adjustment amount of the multi-source multi-charge; and obtaining an adjustment amount of each control domain according to the adjustment amount division function;
    根据所述多控制域的调节量划分函数和每个控制域的决策系数构建“源荷域”控制平面方程,刻画出“源荷域”空间的调控平面;Constructing a "source-load domain" control plane equation according to the adjustment amount partitioning function of the multi-control domain and the decision coefficient of each control domain, and characterizing the control plane of the "source-load domain" space;
    根据所述每个控制域的调节量、所述平衡调节量的需求值和所述控制平面方程判别电力系统运行点在所述调控平面的内部或外部;Determining, according to the adjustment amount of each control domain, the demand value of the balance adjustment amount, and the control plane equation, that the power system operating point is inside or outside the control plane;
    建立“源荷域”协调调控优化模型,并在所述电力系统运行点在所述调控平面的内部的情况下,根据所述调控优化模型对在调控平面的内部的运行点进行优化,得到目标决策向量;其中,所述目标决策向量包括每个控制域的决策系数;Establishing a “source-load domain” coordinated regulation optimization model, and optimizing the operating point inside the control plane according to the regulation optimization model in the case that the power system operating point is inside the control plane, and obtaining a target a decision vector; wherein the target decision vector includes decision coefficients for each control domain;
    将得到的目标决策向量代入所述控制平面方程,判别代入结果是否满足所述平衡调节量的需求值。Substituting the obtained target decision vector into the control plane equation, and determining whether the substitution result satisfies the demand value of the balance adjustment amount.
  2. 根据权利要求1所述的方法,其中,在所述将得到的决策向量代入所述控制平面方程,判别代入结果是否满足所述平衡调节量的需求值之后,还包括:The method according to claim 1, wherein, after the obtained decision vector is substituted into the control plane equation to determine whether the substitution result satisfies the demand value of the balance adjustment amount, the method further includes:
    搭建电力系统“源荷域”协调控制空间,绘制出多源多荷多控制域的调控平面,以监控电网实际运行。Set up the power source "source domain" to coordinate the control space, and draw the control plane of the multi-source, multi-charge and multi-control domain to monitor the actual operation of the grid.
  3. 如权利要求1或2所述的方法,其中,所述平衡调节量的计算模型的表达式如下:The method according to claim 1 or 2, wherein the expression of the calculation model of the balance adjustment amount is as follows:
    |ΔP balance|=|P G,lim-P L,lim| |ΔP balance |=|P G,lim -P L,lim |
    式中:ΔP balance为电力系统所需的平衡调节量,P G,lim为电网旋转机组的调节限值,P L,lim为电网负荷限值。 Where: ΔP balance is the balance adjustment required for the power system, P G,lim is the regulation limit of the grid rotating unit, and P L,lim is the grid load limit.
  4. 如权利要求1、2或3所述的方法,其中,所述多控制域的调节量划分函数的表达式如下:The method of claim 1, 2 or 3, wherein the expression of the adjustment amount division function of the multi-control domain is as follows:
    Figure PCTCN2019073192-appb-100001
    Figure PCTCN2019073192-appb-100001
    式中:t为电网运行的时刻值,ΔP u,t为正常调控域内具备的调节量,ΔP T,max(t)为t时刻火电机组的最大调节量,ΔP H,max(t)为t时刻水电机组的最大调节量,ΔP un,t为异常调控域内具备的调节量,ΔP S,max(t)为t时刻储能的最大调节量,ΔP ur,t为紧急调控域内具备的调节量,ΔP W,max(t)为t时刻风电的最大调节量,ΔP P,max(t)为t时刻光伏的最大调节量,ΔP N,max(t)为t时刻核电的最大调节量,ΔP L,max(t)为t时刻可互动负荷的最大调节量。 Where: t is the time value of the grid operation, ΔP u,t is the adjustment amount in the normal control domain, ΔP T,max (t) is the maximum adjustment amount of the thermal power unit at time t, ΔP H,max (t) is t The maximum adjustment amount of the hydropower unit at the moment, ΔP un,t is the adjustment amount in the abnormal regulation domain, ΔP S,max (t) is the maximum adjustment amount of energy storage at time t, and ΔP ur,t is the adjustment amount in the emergency regulation domain. , ΔP W,max (t) is the maximum adjustment of wind power at time t, ΔP P,max (t) is the maximum adjustment of photovoltaic at time t, ΔP N,max (t) is the maximum adjustment of nuclear power at time t, ΔP L,max (t) is the maximum adjustment of the interactive load at time t.
  5. 如权利要求1-4任一项所述的方法,其中,所述“源荷域”控制平面方程的表达式如下:The method of any of claims 1-4, wherein the expression of the "source-load domain" control plane equation is as follows:
    |ΔP balance|′=ΔP u+ΔP un+ΔP ur=k u,tΔP u,t+k un,tΔP un,t+k ur,tΔP ur,t |ΔP balance |'=ΔP u +ΔP un +ΔP ur =k u,t ΔP u,t +k un,t ΔP un,t +k ur,t ΔP ur,t
    式中:ΔP u为正常调控域调节量,ΔP un为异常调控域调节量,ΔP ur为紧急调控域调节量,k u,t为正常调控域的决策系数,ΔP u,t为正常调控域内具备的调节量,k un,t为异常调控域的决策系数,ΔP un,t为异常调控域内具备的调节量,k ur,t为紧急调控域的决策系数,ΔP ur,t为紧急调控域内具备的调节量。 Where: ΔP u is the regulation of normal regulatory domain, ΔP un is the regulation of abnormal regulatory domain, ΔP ur is the regulation of emergency regulatory domain, k u,t is the decision coefficient of normal regulatory domain, ΔP u,t is within the normal regulatory domain The adjustment quantity, k un,t is the decision coefficient of the abnormal regulation domain, ΔP un,t is the regulation quantity in the abnormal regulation domain, k ur,t is the decision coefficient of the emergency regulation domain, ΔP ur,t is the emergency regulation domain The amount of adjustment available.
  6. 如权利要求1-5任一项所述的方法,其中,判别电力系统运行点在所述调控平面的内部或外部的判别表达式如下:The method according to any one of claims 1 to 5, wherein the discriminant expression for discriminating the power system operating point inside or outside the control plane is as follows:
    Figure PCTCN2019073192-appb-100002
    Figure PCTCN2019073192-appb-100002
    在margin=Yes的情况下,所述电力系统运行点在所述调控平面的外部;在margin=No的情况下,所述电力系统运行点在所述调控平面的内部;In the case of margin=Yes, the power system operating point is outside the control plane; in the case of margin=No, the power system operating point is inside the control plane;
    式中:margin为系统充裕度,k u,t为正常调控域的决策系数,ΔP u,t为正常调控域内具备的调节量,k un,t为异常调控域的决策系数,ΔP un,t为异常调控域内具备的调节量,k ur,t为紧急调控域的决策系数,ΔP ur,t为紧急调控域内具备的调节量,|ΔP balance|为所述平衡调节量的需求值。 Where: margin is the system adequacy, k u,t is the decision coefficient of the normal regulatory domain, ΔP u,t is the adjustment amount in the normal regulatory domain, k un,t is the decision coefficient of the abnormal regulatory domain, ΔP un,t For the regulation quantity in the abnormal regulation domain, k ur,t is the decision coefficient of the emergency regulation domain, ΔP ur,t is the adjustment amount in the emergency regulation domain, and |ΔP balance | is the demand value of the balance adjustment amount.
  7. 如权利要求1-6任一项所述的方法,其中,所述“源荷域”协调调控优化模型的表达式如下:The method of any of claims 1-6, wherein the expression of the "source-load domain" coordinated regulation optimization model is as follows:
    minΔP k,t=k u,tΔP u,t+k un,tΔP un,t+k ur,tΔP ur,t minΔP k,t =k u,t ΔP u,t +k un,t ΔP un,t +k ur,t ΔP ur,t
    Figure PCTCN2019073192-appb-100003
    Figure PCTCN2019073192-appb-100003
    式中:ΔP k,t为“源荷域”调控总量,χ为多域转换判据,χ un为由正常调控域转换至异常调控域的判据,χ ur为由异常调控域转换至紧急调控域的判据,k u,t为正常调控域的决策系数,ΔP u,t为正常调控域内具备的调节量,k un,t为异常调控域的决策系数,ΔP un,t为异常调控域内具备的调节量,k ur,t为紧急调控域的决策系数,ΔP ur,t为紧急调控域内具备的调节量。 Where: ΔP k,t is the total amount of “source-load domain” regulation, χ is the multi-domain conversion criterion, χ un is the criterion for the transition from the normal regulatory domain to the abnormal regulatory domain, and χ ur is converted from the abnormal regulatory domain to The criterion of the emergency regulation domain, k u,t is the decision coefficient of the normal regulatory domain, ΔP u,t is the regulation quantity in the normal regulatory domain, k un,t is the decision coefficient of the abnormal regulation domain, ΔP un,t is abnormal The regulation quantity in the regulatory domain, k ur,t is the decision coefficient of the emergency regulation domain, and ΔP ur,t is the adjustment amount in the emergency regulation domain.
  8. 如权利要求2-7任一项所述的方法,其中,所述“源荷域”协调控制空间的X轴为正常调控域,Y轴为异常调控域,Z轴为紧急调控域。The method according to any one of claims 2 to 7, wherein the X-axis of the "source-load domain" coordinated control space is a normal regulatory domain, the Y-axis is an abnormal regulatory domain, and the Z-axis is an emergency regulatory domain.
  9. 如权利要求8所述的方法,正常调控域由水电和火电实现电网调控要求,是电网处于腰荷和尖峰时段的正常调控,腰荷时段,水电带最小出力,火电为主要调峰调频或联络线,上负荷阶段,以加火电为主,水电微调,下负荷阶段,以减火电为主,水电微调。The method according to claim 8, wherein the normal regulation domain is regulated by hydropower and thermal power, and the grid is in the normal regulation of the waist load and the peak period, the waist load period, the minimum output of the water and power band, and the thermal power is the main peak frequency modulation or contact. Line, the upper load stage, mainly based on the addition of thermal power, fine-tuning of hydropower, under the load phase, mainly to reduce thermal power, fine-tuning of hydropower.
  10. 如权利要求8或9所述的方法,其中,在电网处于异常运行状态的情况下,启动储热和电池调控策略:在电网处于腰荷时段的情况下,先启动电池储能,再启动发电厂端电储热以及分布式电储热;在电网处于低谷负荷下降时段的情况下,先启动分布式电储热,再启动发电厂端电储热以及电池储能;在低谷负荷上升时段的情况下,先退出发电厂端电储热,分布式电储热按储热能力相继退出。The method according to claim 8 or 9, wherein in the case that the power grid is in an abnormal operating state, the heat storage and battery regulation strategy is activated: when the power grid is in the lumbar load period, the battery energy storage is started first, and then the power generation is started. Plant-side electric heat storage and distributed electric heat storage; in the case that the grid is in a period of low valley load drop, first start distributed electric heat storage, then start power storage heat storage at the power plant and battery energy storage; In the case, the power storage heat of the power plant is first withdrawn, and the distributed electric heat storage is successively withdrawn according to the heat storage capacity.
  11. 如权利要求8、9或10所述的方法,其中,在电网处于紧急运行状态的情况下,启动清洁能源发电限电策略,按核电、风电和光伏、可转移负荷顺序进行调控,电网紧急运行状态恢复过程,按可转移负荷、光伏、风电和核电顺序进行调控。The method according to claim 8, 9 or 10, wherein in the case that the power grid is in an emergency running state, the clean energy power generation and power limiting strategy is activated, and the power is regulated according to the order of nuclear power, wind power, photovoltaic, and transferable load, and the power grid is urgently operated. The state recovery process is regulated in the order of transferable load, photovoltaic, wind power and nuclear power.
  12. 一种电子设备,包括:An electronic device comprising:
    至少一个处理器;At least one processor;
    存储器,设置为存储至少一个程序,a memory, set to store at least one program,
    当所述至少一个程序被所述至少一个处理器执行,使得所述至少一个处理器实现如权利要求1-11中任一所述的方法。The at least one program is executed by the at least one processor such that the at least one processor implements the method of any of claims 1-11.
  13. 一种计算机可读存储介质,存储有计算机可执行指令,所述计算机可执行指令用于执行权利要求1-11任一所述的方法。A computer readable storage medium storing computer executable instructions for performing the method of any of claims 1-11.
PCT/CN2019/073192 2018-01-26 2019-01-25 Power grid regulation method WO2019144934A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810076453.0 2018-01-26
CN201810076453.0A CN108258684A (en) 2018-01-26 2018-01-26 A kind of clean energy resource power grid " source lotus domain " coordinates regulation and control method

Publications (1)

Publication Number Publication Date
WO2019144934A1 true WO2019144934A1 (en) 2019-08-01

Family

ID=62741963

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/073192 WO2019144934A1 (en) 2018-01-26 2019-01-25 Power grid regulation method

Country Status (2)

Country Link
CN (1) CN108258684A (en)
WO (1) WO2019144934A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108258684A (en) * 2018-01-26 2018-07-06 国网辽宁省电力有限公司 A kind of clean energy resource power grid " source lotus domain " coordinates regulation and control method
CN109301852B (en) * 2018-11-23 2021-09-03 武汉理工大学 Micro-grid hierarchical multi-target combined economic dispatching method
CN110110991B (en) * 2019-04-30 2023-07-18 天津大学 Method for constructing comprehensive energy efficiency evaluation system of seawater desalination multi-source multi-load system
CN110601190B (en) * 2019-09-23 2023-06-02 国网辽宁省电力有限公司鞍山供电公司 Regional power grid operation domain division method
CN111130137B (en) * 2019-12-24 2021-07-20 上海电力大学 Micro-grid source-load dynamic frequency control method considering frequency modulation benefit
CN112310970B (en) * 2020-09-29 2022-09-06 国网电力科学研究院有限公司 Active coordination stability control method, device and system for power grid

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103746384A (en) * 2014-01-29 2014-04-23 广东电网公司电力科学研究院 Electrical load dispatching control method and system thereof
CN105071389A (en) * 2015-08-19 2015-11-18 华北电力大学(保定) Hybrid AC/DC microgrid optimization operation method and device considering source-grid-load interaction
CN106911149A (en) * 2017-04-14 2017-06-30 许继集团有限公司 A kind of active distribution network demand response control method based on layering energy storage
CN107169614A (en) * 2017-07-18 2017-09-15 青岛电力设计院有限公司 A kind of coordination optimization operation method based on source net lotus
CN108258684A (en) * 2018-01-26 2018-07-06 国网辽宁省电力有限公司 A kind of clean energy resource power grid " source lotus domain " coordinates regulation and control method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102496962B (en) * 2011-12-31 2013-02-13 清华大学 Method for identifying and controlling wind power consumption capability of power system under peak load and frequency regulation constraints
CN103151802B (en) * 2013-02-06 2015-07-01 上海交通大学 Coordinated control system and method for DG (Differential Gain) of multi-time scale active power distribution network
CN103390905B (en) * 2013-07-30 2015-07-22 国家电网公司 Diversified energy automatic generation control method considering wind power acceptance
CN104536304B (en) * 2014-12-31 2016-06-08 南京邮电大学 A kind of power system load MAS control method based on Matlab and Netlogo
CN107528345B (en) * 2017-09-30 2020-06-05 国电南瑞科技股份有限公司 Multi-time-scale network source load and storage coordination control method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103746384A (en) * 2014-01-29 2014-04-23 广东电网公司电力科学研究院 Electrical load dispatching control method and system thereof
CN105071389A (en) * 2015-08-19 2015-11-18 华北电力大学(保定) Hybrid AC/DC microgrid optimization operation method and device considering source-grid-load interaction
CN106911149A (en) * 2017-04-14 2017-06-30 许继集团有限公司 A kind of active distribution network demand response control method based on layering energy storage
CN107169614A (en) * 2017-07-18 2017-09-15 青岛电力设计院有限公司 A kind of coordination optimization operation method based on source net lotus
CN108258684A (en) * 2018-01-26 2018-07-06 国网辽宁省电力有限公司 A kind of clean energy resource power grid " source lotus domain " coordinates regulation and control method

Also Published As

Publication number Publication date
CN108258684A (en) 2018-07-06

Similar Documents

Publication Publication Date Title
WO2019144934A1 (en) Power grid regulation method
Oshnoei et al. Robust control scheme for distributed battery energy storage systems in load frequency control
Chu et al. Towards optimal system scheduling with synthetic inertia provision from wind turbines
CN113517706B (en) Primary frequency modulation coordination control method, system, equipment and storage medium for wind storage system
WO2018196433A1 (en) Multi-type energy storage multi-level control method
Zhang et al. Achieving real-time economic dispatch in power networks via a saddle point design approach
CN112366731A (en) Power grid frequency adjusting method, system, server and storage medium
WO2022165914A1 (en) Cooperative control method for distributed voltage source converter, and alternating-current/direct-current hybrid microgrid
WO2015184662A1 (en) Flexible constrained optimization method for electric power system
CN105322550A (en) Method for optimizing operation of household micro-grid
CN112865138B (en) Energy storage primary frequency modulation control method and device for power system
Zhang et al. An optimal power allocation scheme of microgrid using grey wolf optimizer
WO2022156014A1 (en) Fast frequency response distributed coordinated control method and system for series-parallel wind-solar microgrid
She et al. Virtual inertia scheduling (VIS) for real-time economic dispatch of IBRs-penetrated power systems
Unamuno et al. Primary control operation modes in islanded hybrid ac/dc microgrids
Zhang et al. Redesigning generation control in power systems: Methodology, stability and delay robustness
CN110350554B (en) Wind storage system auxiliary power grid primary frequency modulation control method based on series-parallel structure
CN113937802A (en) Micro-grid real-time scheduling method and device based on Lyapunov optimization
Saiteja et al. Load frequency control of two-area smart grid
Hua et al. Towards intelligent energy control and optimization in energy Internet: A review
CN113193555A (en) Method for participating in power grid flexible peak regulation in classification of virtual power plant of public building
CN110417000B (en) Power distribution security domain model construction method considering distributed power supply and demand response
CN109345030B (en) Multi-microgrid comprehensive energy system thermoelectric energy flow distribution type optimization method and device
Wang et al. Frequency-based demand side response considering the discontinuity of the ToU tariff
CN116436040A (en) Power transmission and distribution collaborative optimization scheduling method and system considering frequency dynamic security constraint

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19743506

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19743506

Country of ref document: EP

Kind code of ref document: A1