CN112381597A - Real-time clearing monitoring method and system for electric power spot market - Google Patents
Real-time clearing monitoring method and system for electric power spot market Download PDFInfo
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Abstract
The invention discloses a real-time clearing monitoring method for an electric power spot market, which comprises the following steps: setting a market clearing automatic fusing condition; the automatic fusing method comprises the steps of carrying out business monitoring on a market clearing process, triggering the electric power spot goods clearing system to automatically fuse when the clearing system meets an automatic fusing condition, and adopting manual fusing when the clearing system is abnormal in fusing requirement except the automatic fusing condition.
Description
Technical Field
The invention belongs to the technical field of monitoring of electric power spot transaction systems, and particularly relates to a real-time clearing monitoring method for an electric power spot market.
Background
A new round of power system reform enters the hard attacking stage of power spot market construction, 8 months in 2017, the State development reform Commission, the State energy agency issue 'notice on development of power spot market construction test point work', 8 areas in south (starting from Guangdong), Mongolian, Zhejiang, Shanxi, Shandong, Fujian, Sichuan and Gansu are selected as first test points, and the power spot market construction work is accelerated. The electric power spot market is an important component of a modern electric power market system, comprehensively considers the characteristics of electric power commodities and the physical characteristics of an electric power system, generally comprises three parts or parts of a day-ahead market, a day-in market and a real-time market, and realizes the organic connection of dispatching operation and market trading. The marginal power generation cost and the supply and demand conditions of different periods and different nodes can be fully reflected by the spot market, the resource optimization and the efficient configuration are guided, price signals are provided for market main body investment, electric power future trading and the like, the opening, competition and operation of the electric power market are supported, and the system safety risk and the trading financial risk are reduced. At present, each spot market pilot construction unit has already built an electric power spot technical support system at first, spot market settlement test operation is carried out irregularly from 2019, and the problems that the market operation rule and the technical support system are not perfect in function, the fusing and emergency handling work mechanism of a market operation mechanism is lost, the ordered supply of electric power and the safe operation of an electric power system cannot be guaranteed during the settlement test operation are often caused, and the settlement test operation is influenced by the problems of system abnormal faults, clearing result abnormality and the like are often caused in the test operation process.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a real-time clearing monitoring method for the electric power spot market, and guarantees are provided for safe operation of a power grid.
In order to achieve the purpose, the invention provides the following technical scheme:
in a first aspect, a real-time clearing monitoring method for an electric power spot market is provided, which includes:
setting a market clearing automatic fusing condition;
the method comprises the steps of carrying out business monitoring on a market clearing process, triggering automatic fusing of the electric power spot clearing system when the clearing system meets automatic fusing conditions, and adopting manual fusing when fusing abnormality except the automatic fusing conditions occurs in the clearing system.
With reference to the first aspect, further, the automatic fusing condition includes: the method comprises the following steps of system platform abnormity, clear result abnormity, power grid operation abnormity, market boundary abnormity, system interaction channel abnormity and network safety abnormity.
With reference to the first aspect, further, in the spot shipment clearing process, the clearing result of the real-time spot market frequently causes power imbalance of the power grid or the transmission section is out of limit;
the power grid operation abnormity is as follows: threatening the abnormal condition of the normal operation of the power grid;
the market boundary anomalies are: the spot market clearing result is abnormal due to the change of the market boundary condition;
the system interaction channel exception is as follows: the situation that a channel for receiving the real-time market clearing files is interrupted and cannot be recovered occurs in the spot clearing process;
the network security exception is: and the situation that the network is interrupted or abnormal and cannot be recovered occurs in the spot shipment process.
With reference to the first aspect, further, the clearing process service monitoring includes data interaction, data preparation, case data verification, sensitivity calculation, optimized data processing, clearing optimized calculation, security check, data release, result monitoring, and storage approval.
In combination with the first aspect, further, the monitoring of the market clearing comprises two modes of automatic monitoring and manual timing inspection through a monitoring disk system.
In a second aspect, a real-time clearing monitoring system for an electric power spot market is provided, which is characterized by comprising:
a fusing condition creation module: the automatic fusing condition is used for setting market clearing automatic fusing conditions;
market clearing monitoring module: the system is used for carrying out business monitoring on the market clearing process, triggering the automatic fusing of the electric power spot goods clearing system when the clearing system meets the automatic fusing condition, and adopting manual fusing when the need fusing outside the automatic fusing condition occurs in the clearing system.
Has the advantages that: according to the automatic fusing method, the automatic fusing condition is designed, the clearing system is fused in an automatic mode and a manual mode according to the condition by monitoring the whole clearing process, and powerful guarantee is provided for safe operation of a power grid and ordered development of the market.
Drawings
FIG. 1 is a schematic diagram illustrating an online interactive verification process according to the present invention;
fig. 2 is a schematic diagram of data interaction information status monitoring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1-2, the present invention provides a real-time clearing monitoring method for the electric power spot market, which comprises the following steps:
step one, establishing a market clearing automatic fusing condition, which mainly comprises the following aspects:
exception of the system platform: when the system platform fails to clear continuously and cannot recover, the system platform should stop the clear of the spot goods in time and start a market fusing emergency disposal mechanism.
Abnormal clear result: in the spot shipment clearing process, the situation that the power imbalance of the power grid or the transmission section is out of limit due to frequent (continuous 4 times) clearing results of the real-time spot market needs to be stopped in time.
Abnormal operation of the power grid: abnormal conditions such as insufficient standby, unbalanced power and overload of local sections can occur to the power grid due to temporary reasons such as high load enterprises, equipment defects or equipment tripping, so that the normal operation of the power grid is threatened, and the stock discharge is stopped in time.
Market boundary anomalies: if the spot market clearing result is abnormal due to the change of the market boundary condition, the spot market clearing can be stopped when necessary (for example, the clearing result is abnormal, the power grid operates abnormally, and the like).
Exception of system interaction channel: in the spot shipment process, the condition of channel interruption for receiving the real-time market shipment files may occur, if the channel is abnormal and cannot be recovered, the spot market fusing mechanism can be started to recover to the original plan value mode (conventional scheduling mode), and the spot shipment is stopped in time.
Network security exception: network interruption or abnormal network safety can occur in the process of delivery, the abnormal network safety can not be eliminated in a short time (for example, more than 2 hours), and the delivery of the spot goods should be stopped in time.
And step two, carrying out service monitoring on the market clearing process, triggering the electric power spot clearing system to automatically fuse when the clearing system meets the automatic fusing condition, and manually fusing when the clearing system is abnormal in fusing requirement except the automatic fusing condition.
Data interaction: the link is an important guarantee of the data source of the spot market, and according to different importance degrees of data, the method provides key real-time monitoring of the interaction states of key data such as system load prediction, bus load prediction, manual intervention of a dispatching desk, real-time heat supply of a unit and the like, timely monitoring of the interaction states of the data and the accuracy of the data, timely sending out market early warning when the conditions such as continuous data access failure, missing and the like occur, and automatically stopping the spot shipment.
Preparing data: the link is a data extraction and calculation scene preparation link of spot market clearing, and supervision indexes are respectively proposed from the following two dimensions.
Normal/alarm: number of tables, number of empty tables (whether the number of tables in the database changes or not, number of empty tables), time of grid model, time of grid mode (the two data must be up to date, so the time of the data should be monitored)
Exception: prompting concrete error information for subsequent analysis (error information means program operation)
Case data verification (case data refers to data provided for market operators to make decision and analyze when a program runs and encounters a problem): this link is the important guarantee of spot market data quality, has proposed check-up rules such as integrality, conflict nature, mistake nature to different data, finds the problem of clear data in time, and this patent proposes the supervision dish index respectively from following two dimensions:
normal/alarm: checking total number, normal number and alarm number
Exception: number of errors, specific error information
And (3) sensitivity calculation: in the link, topology analysis and sensitivity calculation are carried out, available topology and sensitivity relations are prepared for spot shipment, and normal/alarm is carried out: abnormal resource number, unit grid connection failure number, load grid connection failure number, abnormity: topology analysis error information (with maintenance but not shutdown, with power restoration but not running)
Optimizing data processing: this link prepares and provides various normal restraint and planning data for the clear model, and this patent proposes key supervision index from several dimensions as follows:
1) unit limit value: number of non-effective limit (electric network, power plant, heat supply)
2) Specifying the state: freely optimizing the number/capacity, specifying the number/capacity of cogeneration units (25)
3) Specified output force: total output of specified output
4) Optimization (optimizer): number of documents sent
And (3) clear optimization calculation: the link is a core clearing link and is used for calculating SCUC and LPC, and key monitoring index is provided from the following two dimensions.
Normal/alarm: optimization duration, existence of imbalance, number of optimization results, and warehousing status (power generation and power utilization imbalance of the grid can affect frequency, and whether balance is output by the optimization program or not is important to pay attention to the fact that the optimization result is output by the optimization program and aims to monitor the interaction status between programs)
Exception: detailed error Log (optimizing errors in the clearing Process)
And (4) safety checking: the link is to perform whole-network alternating current power flow calculation and static security check on the unit clearing result, is used for checking the security of the clearing result, and adds alternating current power flow check for the clearing model.
Normal/alarm: calculating time consumption, monitoring unavailable resources, supplementing the number of bus loads, load pull-up factors and the number of problematic section definitions
Exception: non-convergence, etc. detailed error logs
Data release: this step is to distribute the clearing result to the market agent and the dispatching organization for settlement and dispatching execution.
Normal/alarm: transmission time, number of data pieces
Exception: detailed error logs
And (5) monitoring results: this link is used for going on assay, statistics and inspection to the result of clearing, and this patent is focused on from safety, price and balance angle and monitors the dish.
Normal/alarm: number of cross-section out of limit, maximum price, minimum price, unbalance amount
Exception: result monitoring failure, price out-of-limit information
And (4) storage and approval: this link seals up the boundary, scene, the result of this clear calculation, and this patent is focused on from two following dimensions and proposes the prison plate index.
Normal/alarm: number of save tables and number of approval tables
Exception: reason for storage failure and reason for approval failure
The market clearing process is divided into data interaction, data preparation, data verification, sensitivity calculation, data processing, optimization calculation, security check, result monitoring, market release, storage and approval, as shown in fig. 2.
According to the overall process abnormal monitoring condition of the market clearing process, the design of an automatic fusing locking system and a manual artificial fusing system is developed, the market fusing control under the market emergency condition is realized, namely clearing is stopped, the control of the electric power spot clearing system is realized, and the control and the operation of the safe operation of the electric power spot clearing system are improved.
Automatic fusing and locking: according to the information monitored by the system, if a severe error (namely, when a fusing condition is met) is determined before the spot shipment is cleared, the current clearing automatically fuses and locks, and the scene of the current clearing is sealed for later analysis.
Manual and manual suspension: according to various means such as market supervision disc or timing inspection, the market operator actively suspends/recovers market clearing.
Example 2
The utility model provides a real-time monitored control system that clears out of electric power spot market, includes:
a fusing condition creation module: the automatic fusing condition is used for setting market clearing automatic fusing conditions;
market clearing monitoring module: the system is used for carrying out business monitoring on the market clearing process, triggering the automatic fusing of the electric power spot goods clearing system when the clearing system meets the automatic fusing condition, and adopting manual fusing when the need fusing outside the automatic fusing condition occurs in the clearing system.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113505995A (en) * | 2021-07-12 | 2021-10-15 | 国网青海省电力公司海东供电公司 | Monitoring service evaluation system construction method based on equipment operation management |
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Application publication date: 20210219 |