CN108120191A - A kind of cooling unit advanced control system for realizing Demand Side Response and method - Google Patents
A kind of cooling unit advanced control system for realizing Demand Side Response and method Download PDFInfo
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- CN108120191A CN108120191A CN201711366087.4A CN201711366087A CN108120191A CN 108120191 A CN108120191 A CN 108120191A CN 201711366087 A CN201711366087 A CN 201711366087A CN 108120191 A CN108120191 A CN 108120191A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/13—Pump speed control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2103—Temperatures near a heat exchanger
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Abstract
The embodiment of the invention discloses a kind of cooling unit advanced control systems for realizing Demand Side Response and method, the system to include：First control unit gathers the first multi-energy data and is handled it to generate the control component of cold unit and cold cold water flow variable frequency pump respectively, and the Cold water-out temperature to cold unit and cold cold water flow variable frequency pump control respectively according to the control component；Second control unit gathers the second multi-energy data and is handled it to generate the controlled quentity controlled variable of cold-storage device cold water flow variable frequency pump, and cold-storage device cold water flow variable frequency pump is controlled according to the controlled quentity controlled variable；First multi-energy data includes system gross electric capacity, cold unit refrigeration work consumption, cold unit cold water flow and the first preset value；First preset value includes system gross electric capacity limit value and refrigeration total load setting value.The embodiment scheme is realized according to adjustment of the power consumption restrictive condition to the cooling power of the assembling unit, ensure that system adapts to different working condition requirements, safe and stable operation.
Description
Technical field
The present embodiments relate to heat supply process, espespecially a kind of cooling unit advanced control system for realizing Demand Side Response
And method.
Background technology
Demand Side Management (Demand Side Management, DSM) refers under government regulation and policy support,
Effective excitation and guiding measure and suitable function mode are taken, passes through power grid enterprises, energy services enterprise, power consumer
Deng pulling together jointly, the related management activity that scientific utilization of electricity, using electricity wisely, ordered electric are carried out is realized.Power retailing city at present
Field, which also generally performs, to be unrelated with the time, it is impossible to effectively reflection Capacity Cost and marginal power supply cost variable prices.This side
Face is because traditionally government department and power department all think that power consumer is unwilling to fluctuate at any time in face of any type of
Price.But present consumer has in fact carry power cost in the form of actuarial cost (risk income)
Various poor efficiency in fluctuation and power supply chain, because certain in 1 year is several small in the annual electricity charge of all consumers
When and add it is many, if the load of these hours, which can be reduced or shift, will also generate electricity of several hours than that
Take much bigger long-term effect and external effect.If consumer is placed in now the power supply value and cost of real variation
In front, them is allowed to make a choice between different values and supply of electric power, some consumers may be selected sometimes
Receive power failure or reduction plans, to avoid fancy price and obtain certain compensation, and other consumer can select to connect
It is required to ensure to power by fancy price.Electricity change No. 9 text will " actively develop demand Side Management and energy efficiency management, it is perfect
Ordered electric and using electricity wisely system " is included in five basic principle important contents, clearly will " by with modern information technologies,
It cultivates electric energy service, implement demand response etc., promote the equilibrium of supply and demand and energy-saving and emission-reduction ".Demand Side Response needs to be reduced with energy person
Peak load electricity consumption, and at the time of the peak value power consumption moment is often power load maximum, this just needs side response according to demand
Certain control strategy is taken, adjusts the relevant parameter of cooling and warming unit, ensures that power consumption does not transfinite.
The content of the invention
In order to solve the above-mentioned technical problem, an embodiment of the present invention provides the cooling unit allocation systems for realizing Demand Side Response
System and method, can implement the adjustment to the cooling power of the assembling unit, ensure that system can adapt to difference according to power consumption restrictive condition
Working condition requirement, safe and stable operation.
In order to reach purpose of the embodiment of the present invention, an embodiment of the present invention provides a kind of confession cold for realizing Demand Side Response
Group advanced control system, the system include：First control unit and the second control unit；
First control unit for gathering the first multi-energy data, and is handled the first multi-energy data, to generate respectively
The control component of cold unit and cold cold water flow variable frequency pump, and the cold water of cold unit is gone out respectively according to the control component
Coolant-temperature gage and cold cold water flow variable frequency pump are controlled；
Second control unit for gathering the second multi-energy data, and is handled second multi-energy data, is stored with generating
The controlled quentity controlled variable of device for cooling cold water flow variable frequency pump, and it is cold to cold-storage device according to the controlled quentity controlled variable of cold-storage device cold water flow variable frequency pump
Water flow variable frequency pump is controlled；
Wherein, the first multi-energy data includes：System gross electric capacity, cold unit refrigeration work consumption, cold unit cold water flow
And one or more first preset values；First preset value includes：System gross electric capacity limit value and refrigeration total load setting value；
Cold unit uses energy equipment for generating cold water and being supplied to；Cold-storage device is used in electricity consumption by released cold quantity in limited time.
Optionally, the first control unit includes：The first acquisition module, first processing module and the first control being sequentially connected
Module；
First acquisition module, for gathering first multi-energy data；
First processing module, for calculating the control component of cold unit and cold cold water flow according to the first multi-energy data
The control component of variable frequency pump；And the Cold water-out temperature of cold unit is controlled according to the control component of cold unit；
First control module, for the control component according to cold cold water flow variable frequency pump and cold unit cold water flow pair
Cold cold water flow variable frequency pump is controlled.
Optionally, first processing module includes：
System gross electric capacity controller, for calculating the first control according to system gross electric capacity and system gross electric capacity limit value
Component processed；
First selector, for selecting smaller signal from the first control component of input and refrigeration total load setting value
It is exported as the second control component；
Unit refrigeration work consumption controller, for calculating the 3rd control according to the second control component and cold unit refrigeration work consumption
Component；
Unit water outlet temperature setting value calculator, is connected with unit refrigeration work consumption controller, for according to the 3rd control point
Amount calculates the cold water temperature duty setting signal of handpiece Water Chilling Units, and cold water temperature duty setting signal is inputted handpiece Water Chilling Units, as cold
The cold water temperature setting value of machine unit；
Unit cold water flow preset value calculation device, is connected with unit refrigeration work consumption controller, for according to the 3rd control point
Amount calculates the control component of cold cold water flow variable frequency pump.
Optionally, the first control module includes：
Cold water flow controller is connected with unit cold water flow preset value calculation device, for being become according to cold cold water flow
The control component and cold unit cold water flow of frequency pump are implemented to control to cold cold water flow variable frequency pump.
Optionally, the second control unit includes：The second acquisition module and Second processing module being connected with each other；
Second acquisition module, for gathering the second multi-energy data；
Second processing module, for calculating the control of cold-storage device cold water flow variable frequency pump according to the second multi-energy data of acquisition
Amount processed；And cold-storage device cold water flow variable frequency pump is controlled according to the controlled quentity controlled variable of cold-storage device cold water flow variable frequency pump.
Optionally, the second multi-energy data includes：Cold unit refrigeration work consumption, cold-storage storage, release can power, cold-storage device it is cold
Water flow and one or more second preset values；
Second preset value includes：Refrigeration total load setting value releases energy time setting value and cold-storage device selecting switch state
Signal.
Optionally, Second processing module includes：
First calculator, for calculating the 4th control point according to refrigeration total load setting value and cold unit refrigeration work consumption
Amount；
Second calculator, for controlling component with energy time preset value calculation the 5th is released according to cold-storage storage；
Second selector, for according to the 4th controlled quentity controlled variable calculated, the 5th control component and cold-storage device selecting switch
The controlled quentity controlled variable of energy controller is released in status signal calculating；
Energy controller is released, for according to the controlled quentity controlled variable and the cold water flow for releasing energy power calculation cold-storage device for releasing energy controller
Controlled quentity controlled variable；
Cold-storage device cold water flow controller, for controlled quentity controlled variable and the feedback acquisition of the cold water flow according to cold-storage device
Cold-storage device cold water flow calculates the controlled quentity controlled variable of cold-storage device cold water flow variable frequency pump, and according to cold-storage device cold water flow frequency conversion
The controlled quentity controlled variable of pump controls cold-storage device cold water flow variable frequency pump.
The embodiment of the present invention additionally provides a kind of cooling unit advanced control method for realizing Demand Side Response, this method bag
It includes：
The first multi-energy data is gathered, and the first multi-energy data is handled, it is cold to generate cold unit and cold respectively
The control component of water flow variable frequency pump, and according to control the component Cold water-out temperature to cold unit and cold cold water stream respectively
Amount variable frequency pump is controlled；
The second multi-energy data is gathered, and the second multi-energy data is handled, to generate cold-storage device cold water flow frequency conversion
The controlled quentity controlled variable of pump, and cold-storage device cold water flow variable frequency pump is controlled according to the controlled quentity controlled variable of cold-storage device cold water flow variable frequency pump
System；
Wherein, the first multi-energy data includes：System gross electric capacity, cold unit refrigeration work consumption, cold unit cold water flow
And one or more first preset values；First preset value includes：System gross electric capacity limit value and refrigeration total load setting value；
Cold unit uses energy equipment for generating cold water and being supplied to；Cold-storage device is used in electricity consumption by released cold quantity in limited time.
Optionally,
Second multi-energy data includes：Cold unit refrigeration work consumption, cold-storage storage release energy power, cold-storage device cold water flow
And one or more second preset values；
Second preset value includes：Refrigeration total load setting value releases energy time setting value and cold-storage device selecting switch state
Signal.
Optionally, the first multi-energy data is handled, to generate cold unit and cold cold water flow variable frequency pump respectively
Control component include：
First control component is calculated according to system gross electric capacity and system gross electric capacity limit value；
Smaller signal is selected from the first control component and refrigeration total load setting value to carry out as the second control component
Output；
3rd control component is calculated according to the second control component and cold unit refrigeration work consumption；
The cold water temperature duty setting signal of handpiece Water Chilling Units is calculated according to the 3rd control component, and cold water temperature setting value is believed
Number input handpiece Water Chilling Units, the cold water temperature setting value as cold unit；It is and cold according to the 3rd control component and cold unit
Water flow calculates the control component of cold cold water flow variable frequency pump.
The embodiment of the present invention includes：First control unit, for gathering the first multi-energy data, and to the first multi-energy data into
Row processing to generate the control component of cold unit and cold cold water flow variable frequency pump respectively, and is distinguished according to the control component
Cold water-out temperature and cold cold water flow variable frequency pump to cold unit control；Second control unit, for gathering the
Two multi-energy datas, and second multi-energy data is handled, to generate the controlled quentity controlled variable of cold-storage device cold water flow variable frequency pump, and
Cold-storage device cold water flow variable frequency pump is controlled according to the controlled quentity controlled variable of cold-storage device cold water flow variable frequency pump；Wherein, first
Multi-energy data includes：System gross electric capacity, cold unit refrigeration work consumption, cold unit cold water flow and one or more first
Preset value；First preset value includes：System gross electric capacity limit value and refrigeration total load setting value；Cold unit is cold for generating
Water is simultaneously supplied to energy equipment；Cold-storage device is used in electricity consumption by released cold quantity in limited time.By the embodiment scheme, root is realized
According to power consumption restrictive condition, implement the adjustment to the cooling power of the assembling unit, the system of ensure that can adapt to different working condition requirements, safety
Stable operation.
The other feature and advantage of the embodiment of the present invention will illustrate in the following description, also, partly from explanation
It becomes apparent in book or is understood by implementing the embodiment of the present invention.The purpose of the embodiment of the present invention and other advantages
It can realize and obtain by specifically noted structure in specification, claims and attached drawing.
Description of the drawings
Attached drawing is used for providing further understanding technical solution of the embodiment of the present invention, and one of constitution instruction
Point, for explaining the technical solution of the embodiment of the present invention together with embodiments herein, do not form to the embodiment of the present invention
The limitation of technical solution.
Fig. 1 is the cooling unit advanced control system simple structure signal of the realization Demand Side Response of the embodiment of the present invention
Figure；
Fig. 2 is the cooling water supply system schematic diagram of the embodiment of the present invention；
Fig. 3 is the first control unit structure diagram of the embodiment of the present invention；
Fig. 4 is the second control unit structure diagram of the embodiment of the present invention；
Fig. 5 is the cooling unit advanced control system detailed construction schematic diagram of the realization Demand Side Response of the embodiment of the present invention
Schematic diagram.
Specific embodiment
Purpose, technical scheme and advantage to make the embodiment of the present invention are more clearly understood, below in conjunction with attached drawing pair
The embodiment of the present invention is described in detail.It should be noted that in the case where there is no conflict, embodiment and reality in the application
Applying the feature in example can mutually be combined.
Step shown in the flowchart of the accompanying drawings can be in the computer system of such as a group of computer-executable instructions
It performs.Also, although logical order is shown in flow charts, it in some cases, can be to be different from herein suitable
Sequence performs shown or described step.
In order to reach purpose of the embodiment of the present invention, an embodiment of the present invention provides a kind of confession cold for realizing Demand Side Response
Group advanced control system, as shown in Figure 1, the system includes：First control unit 1 and the second control unit 2；
First control unit 1 for gathering the first multi-energy data, and is handled the first multi-energy data, to give birth to respectively
Into cold unit P01 and the control component of cold cold water flow variable frequency pump P101, and according to the control component respectively to cold machine
The Cold water-out temperature and cold cold water flow variable frequency pump P101 of group P01 is controlled；
Second control unit 2 for gathering the second multi-energy data, and is handled second multi-energy data, with generation
The controlled quentity controlled variable of cold-storage device cold water flow variable frequency pump P102, and according to the controlled quentity controlled variable pair of cold-storage device cold water flow variable frequency pump P102
Cold-storage device cold water flow variable frequency pump P102 is controlled；
Wherein, the first multi-energy data includes：System gross electric capacity Pe, cold unit refrigeration work consumption Pc, cold unit cold water
Flow F1 and one or more first preset values；First preset value includes：System gross electric capacity limit value Pel and refrigeration are total negative
Lotus setting value Ptc；Cold unit P01 uses energy equipment for generating cold water and being supplied to；Cold-storage device P02 is used to be limited in electricity consumption
When released cold quantity.
In embodiments of the present invention, as shown in Fig. 2, cooling water supply system schematic diagram for the embodiment of the present invention.Wherein, it is cold
Machine unit P01 uses energy equipment for generating cold water and being supplied to；Cold unit P01 and cold cold water flow variable frequency pump P101 phases
Even, cold cold water flow variable frequency pump P101 is used to implement frequency control to cold unit P01.Cold-storage device P02 be used for
Electricity is by released cold quantity in limited time；Cold-storage device P02 and cold-storage device cold water flow variable frequency pump P102, cold-storage device cold water flow frequency conversion
P102 is pumped to be used to implement frequency control to cold-storage device P02.
In embodiments of the present invention, based on above-mentioned cooling water supply system, a kind of confession for realizing Demand Side Response is provided
Cold set control system can gather different multi-energy datas respectively by two control units respectively, to realize to the cold water
Cold water-out temperature, cold cold water flow variable frequency pump P101 and the cold-storage device cold water stream of cold unit P01 in supply system
Measure the closed-loop control of variable frequency pump P102.
In embodiments of the present invention, the control system is using system gross electric capacity and unit refrigeration work consumption serials control plan
Slightly, and unit refrigeration work consumption Staged cotrol is passed through, when refrigeration work consumption increase preferentially adjusts cold water temperature, adjusts cold water flow again
Mode, improve the adaptive ability of operation and the stability of system operation, realize the closed-loop control of system gross electric capacity, into
And realize Demand Side Response control；And the control system according to can demand disruption calculate energy storage equipment release can power or
Energy storage equipment is calculated according to constant rate of speed in specified time section and release energy power, select different control model realizations can power to releasing
Closed-loop control.
Optionally, as shown in Fig. 3, Fig. 5, the first control unit 1 can include：The first acquisition module 11 for being sequentially connected,
12 and first control module 13 of first processing module；
First acquisition module 11, for gathering the first multi-energy data.
In embodiments of the present invention, which can respectively set according to the different multi-energy datas gathered
Corresponding device is put, for example, power meter, flowmeter etc..
First processing module 12, it is cold for calculating the control component of cold unit P01 and cold according to the first multi-energy data
The control component of water flow variable frequency pump P101；And water temperature is gone out to the cold water of cold unit according to the control component of cold unit P01
Degree is controlled.
Optionally, first processing module 12 can include：
System gross electric capacity controller A1, based on according to system gross electric capacity Pe and system gross electric capacity limit value Pel
Calculate the first control component.
In embodiments of the present invention, system gross electric capacity Pe is inputted as the measurement of system gross electric capacity controller A1, is
The gross electric capacity limit value Pel that unites is inputted as the setting of system gross electric capacity controller A1, system gross electric capacity controller A1's
Control algolithm can include but is not limited to pid algorithm (proportional-integral-differential algorithm) or PI algorithms (proportional, integral algorithm).
First selector S1 is smaller for being selected from the first control component of input and refrigeration total load setting value Ptc
Signal as second control component exported.
In embodiments of the present invention, the output A1O of system gross electric capacity controller A1 and refrigeration total load setting value Ptc
Input as first selector S1；First selector S1 may be employed it is low select device, i.e., from the first control component of input and
Smaller signal is selected in refrigeration total load setting value Ptc to be exported as the second control component.
Unit refrigeration work consumption controller A2, for calculating the 3rd according to the second control component and cold unit refrigeration work consumption Pc
Control component.
In embodiments of the present invention, settings of the output S1O of first selector S1 as unit refrigeration work consumption controller A2
Input, cold unit refrigeration work consumption Pc are inputted respectively as the measurement of unit refrigeration work consumption controller A2.Unit refrigeration work consumption control
The control algolithm of device A2 processed can include but is not limited to pid algorithm or PI algorithms, and wherein cold unit refrigeration work consumption Pc can basis
Handpiece Water Chilling Units import and export water temperature and cold water flow are calculated, and are repeated no more herein.
Unit water outlet temperature setting value calculator A31, is connected with unit refrigeration work consumption controller A2, for according to the 3rd control
Component processed calculates the cold water temperature duty setting signal of handpiece Water Chilling Units P01, and cold water temperature duty setting signal is inputted handpiece Water Chilling Units
P01, the cold water temperature setting value as handpiece Water Chilling Units P01.
In embodiments of the present invention, the output A2O of unit refrigeration work consumption controller A2 is as unit water outlet temperature setting value
The input of calculator A31.Wherein, it can be in line that the output A31O of unit water outlet temperature setting value calculator A31 inputs A2O with it
Sexual intercourse.For example, A31O=a*A2O+b；Wherein, a is linear coefficient, and b is constant.A2O can be caused according to the linear relationship
Meet：During 0~50% situation of change so that A31O correspondingly meets the variation between 12 DEG C~7 DEG C.Unit leaving water temperature is set
Value meter calculates cold water temperature duty setting signals of the output A31O of device A31 as cold unit P01 surely, i.e., as cold unit P01
Control component.
Unit cold water flow preset value calculation device A32, is connected with unit refrigeration work consumption controller A2, for according to the 3rd control
Component processed calculates the control component of cold cold water flow variable frequency pump P101.
In embodiments of the present invention, the output A2O of unit refrigeration work consumption controller A2 is also set as unit cold water flow
It is worth the input of calculator A32.Wherein, the output A32O of unit water outlet temperature setting value calculator A32 inputs A2O with it to be in
Linear relationship.For example, A32O=c*A2O+d；Wherein, c is linear coefficient, and d is constant.It can be caused according to the linear relationship
A2O meets：During 50~100% situation of change so that A32O correspondingly meets the variation of 70%*Fe~100%*Fe, the Fe
For unit cold water metered flow value.
First control module 13, for the control component and cold unit cold water according to cold cold water flow variable frequency pump P101
Flow F1 controls cold cold water flow variable frequency pump P101.
Optionally, the first control module 13 can include：
Cold water flow controller A4 is connected with unit cold water flow preset value calculation device A32, for according to cold cold water stream
The control component and cold unit cold water flow F1 for measuring variable frequency pump P101 are implemented to control to cold cold water flow variable frequency pump P101.
In embodiments of the present invention, unit cold water flow sets value and calculates the output A32O for determining device A32 as cold water flow control
The setting value input signal of device A4 processed, measured value input signals of the unit cold water flow F1 as cold water flow controller A4 are cold
The control algolithm of water flow controller A4 can include but is not limited to PID or PI algorithms, the output letter of cold water flow controller A4
Number A4O is exported to cold water variable frequency pump P101, cold cold water flow variable frequency pump P101 is implemented to control, so as to pass through cold cold water stream
Measure variable frequency pump P101 control cold water flows.
Optionally, as shown in Figure 4, Figure 5, the second control unit 2 can include：21 He of the second acquisition module being connected with each other
Second processing module 22；
Second acquisition module 21, for gathering the second multi-energy data；
Optionally, the second multi-energy data can include：Total load setting value of freezing Ptc, cold unit refrigeration work consumption Pc, store
Cold storage Ws, energy time setting value Tss, cold-storage device selecting switch status signal Ss are released, releases energy power P ss and cold-storage device
Cold water flow F2.
In embodiments of the present invention, which can respectively set according to the different multi-energy datas gathered
Corresponding device is put, for example, power meter, flowmeter, timer, limit switch, relay etc..
Second processing module 22, for calculating cold-storage device cold water flow variable frequency pump according to the second multi-energy data of acquisition
The controlled quentity controlled variable of P102；And according to the controlled quentity controlled variable of cold-storage device cold water flow variable frequency pump P102 to cold-storage device cold water flow variable frequency pump
P102 is controlled.
Optionally, Second processing module 22 can include：
First calculator C1, for calculating the 4th according to refrigeration total load setting value Ptc and cold unit refrigeration work consumption Pc
Control component.
In embodiments of the present invention, refrigeration total load setting value Ptc, cold unit refrigeration work consumption Pc are the first calculating respectively
The input 1 of device C1 and input 2, the output of the first calculator C1 can include the deviation of Ptc and Pc, can also include passing through other
The result of calculation that preset algorithm obtains.
Second calculator C2, for calculating the 5th control component with energy time setting value Tss is released according to cold-storage storage Ws.
In embodiments of the present invention, the accumulation of energy storage Ws of cold-storage device P02, release can time Tss be the second calculator respectively
The input 1 of C2 and input 2；The output of second calculator C2 can include accumulation of energy storage Ws and release can the ratio between time Tss, can be with
Including the result of calculation obtained by other preset algorithms.
Second selector S2, for according to the 4th control component, the 5th control component and the cold-storage device selection calculated
The controlled quentity controlled variable of energy controller is released in switch state signal Ss calculating.
In embodiments of the present invention, inputs 1 of the output C1O of the first calculator C1 as second selector S2, the second meter
Inputs 2 of the output C2O of device C2 as second selector S2 is calculated, cold-storage device selecting switch status signal Ss is as the second selection
The input 3 of device S2；When Ss is ON, the output of second selector S2 is input 1, and when Ss is OFF, second selector S2's is defeated
Go out for input 2.
Energy controller B1 is released, the controlled quentity controlled variable of energy controller is released for basis and releases the cold of energy power P ss calculating cold-storage devices
The controlled quentity controlled variable of water flow.
In embodiments of the present invention, the output S2O of second selector S2 releases energy as the setting input for releasing energy controller B1
For power P ss as the measurement input for releasing energy controller B1, the control algolithm for releasing energy controller B1 can include but is not limited to PID calculations
Method or PI algorithms, wherein releasing energy power P ss can be calculated according to cold-storage device import and export water temperature and cold water flow, herein
It repeats no more.
Cold-storage device cold water flow controller B2 obtains for the controlled quentity controlled variable and feedback of the cold water flow according to cold-storage device
Cold-storage device cold water flow F2 calculate the controlled quentity controlled variable of cold-storage device cold water flow variable frequency pump P102, and according to cold-storage device cold water
The controlled quentity controlled variable of flow variable frequency pump P102 controls cold-storage device cold water flow variable frequency pump P102.
In embodiments of the present invention, the output B1O of energy controller B1 is released as cold-storage device cold water flow controller B2's
Given input, cold-storage device cold water flow F2 are inputted as the measurement of cold-storage device cold water flow controller B2, and cold-storage device is cold
The control algolithm of water flow controller B2 can include but is not limited to pid algorithm or PI algorithms, the control of cold-storage device cold water flow
Input signals of the output B2O of device B2 as cold-storage device flow variable frequency pump P102.
The embodiment of the present invention additionally provides a kind of cooling unit advanced control method for realizing Demand Side Response, this method bag
It includes：
The first multi-energy data is gathered, and the first multi-energy data is handled, to generate cold unit P01 and cold respectively
The control component of cold water flow variable frequency pump P101, and according to control component respectively to the Cold water-out temperature of cold unit P01 and
Cold cold water flow variable frequency pump P101 is controlled；
The second multi-energy data is gathered, and the second multi-energy data is handled, to generate cold-storage device cold water flow frequency conversion
The controlled quentity controlled variable of P102 is pumped, and according to the controlled quentity controlled variable of cold-storage device cold water flow variable frequency pump P102 to cold-storage device cold water flow frequency conversion
Pump P102 is controlled；
Wherein, the first multi-energy data includes：System gross electric capacity Pe, cold unit refrigeration work consumption Pc, cold unit cold water
Flow F1 and one or more first preset values；First preset value includes：System gross electric capacity limit value Pel and refrigeration are total negative
Lotus setting value Ptc；Cold unit P01 uses energy equipment for generating cold water and being supplied to；Cold-storage device P02 is used to be limited in electricity consumption
When released cold quantity.
Optionally,
Second multi-energy data includes：Cold unit refrigeration work consumption Pc, cold-storage storage Ws, release can power P ss, cold-storage device it is cold
Water flow F2 and one or more second preset values；
Second preset value includes：The refrigeration total load setting value Ptc, energy time setting value Tss and cold-storage device choosing are released
Select switch state signal Ss.
Optionally, the first multi-energy data is handled, to generate cold unit and cold cold water flow variable frequency pump respectively
Control component include：
First control component is calculated according to system gross electric capacity and system gross electric capacity limit value；
Smaller signal is selected from the first control component and refrigeration total load setting value to carry out as the second control component
Output；
3rd control component is calculated according to the second control component and cold unit refrigeration work consumption；
The cold water temperature duty setting signal of handpiece Water Chilling Units is calculated according to the 3rd control component, and cold water temperature setting value is believed
Number input handpiece Water Chilling Units, the cold water temperature setting value as cold unit；It is and cold according to the 3rd control component and cold unit
Water flow calculates the control component of cold cold water flow variable frequency pump.
The embodiment of the present invention additionally provides a kind of computer readable storage medium, is stored thereon with computer program, described
The cooling unit advanced control method of above-mentioned realization Demand Side Response is realized when computer program is executed by processor.
The embodiment of the present invention includes：First control unit, for gathering the first multi-energy data, and to the first multi-energy data into
Row processing, to generate the control component of cold unit P01 and cold cold water flow variable frequency pump P101 respectively, and according to the control point
The Cold water-out temperature to cold unit P01 and cold cold water flow variable frequency pump P101 are controlled amount respectively；Second control is single
Member for gathering the second multi-energy data, and is handled second multi-energy data, to generate cold-storage device cold water flow frequency conversion
The controlled quentity controlled variable of P102 is pumped, and according to the controlled quentity controlled variable of cold-storage device cold water flow variable frequency pump P102 to cold-storage device cold water flow frequency conversion
Pump P102 is controlled；Wherein, the first multi-energy data includes：System gross electric capacity Pe, cold unit refrigeration work consumption Pc, cold machine
Group cold water flow F1 and one or more first preset values；First preset value includes：System gross electric capacity limit value Pel and system
Cold total load setting value Ptc；Cold unit P01 uses energy equipment for generating cold water and being supplied to；Cold-storage device P02 be used for
Electricity is by released cold quantity in limited time.It by the embodiment scheme, realizes according to power consumption restrictive condition, implements to the cooling power of the assembling unit
Adjustment, the system of ensure that can adapt to different working condition requirements, safe and stable operation.
The embodiment of the present invention includes at least following advantage：
1st, system gross electric capacity and handpiece Water Chilling Units refrigeration work consumption are using serials control, first, actively Demand-side can be followed to ring
The requirement answered realizes closed-loop control to system gross electric capacity；Second is that refrigeration work consumption can be overcome to cause because of the variation of customer charge
System gross electric capacity variation, the problem of can not accurately performing the Demand Side Response of energy source station.
2nd, designed unit refrigeration work consumption set value calculation pattern can adapt to normal operation and implement Demand-side automatically
Respond the requirement of different operating conditions.
3rd, designed Staged cotrol pattern allows to use by adjusting leaving water temperature or unit flow adjustment handpiece Water Chilling Units
Refrigeration work consumption improves the flexibility of operation.
4th, energy power closed-loop control is released cold-storage device, can cold-storage device be adjusted according to total load requirement or tou power price
Release can power, realize Demand Side Response control utmostly to meet the needs of user is to the energy or economical operation for coordinating
Control.
Although the embodiment disclosed by the embodiment of the present invention is as above, the content only for ease of understanding the present invention and
The embodiment of use, is not limited to the embodiment of the present invention.Technical staff in any fields of the embodiment of the present invention,
On the premise of the spirit and scope disclosed by the embodiment of the present invention are not departed from, it can be appointed in the form and details of implementation
What modification and variation, but the scope of patent protection of the embodiment of the present invention, the model that must be still defined with appended claims
Subject to enclosing.
Claims (10)
1. a kind of cooling unit advanced control system for realizing Demand Side Response, which is characterized in that the system comprises：First control
Unit processed and the second control unit；
First control unit for gathering the first multi-energy data, and is handled first multi-energy data, with respectively
The control component of cold unit and cold cold water flow variable frequency pump is generated, and according to the control component respectively to the cold machine
The Cold water-out temperature and the cold cold water flow variable frequency pump of group are controlled；
Second control unit for gathering the second multi-energy data, and is handled second multi-energy data, with generation
The controlled quentity controlled variable of cold-storage device cold water flow variable frequency pump, and according to the controlled quentity controlled variable of the cold-storage device cold water flow variable frequency pump to described
Cold-storage device cold water flow variable frequency pump is controlled；
Wherein, first multi-energy data includes：System gross electric capacity, cold unit refrigeration work consumption, cold unit cold water flow
And one or more first preset values；First preset value includes：System gross electric capacity limit value and refrigeration total load are set
Definite value；The cold unit uses energy equipment for generating cold water and being supplied to；The cold-storage device is used to be released in limited time in electricity consumption
The amount of letting cool.
2. the cooling unit advanced control system according to claim 1 for realizing Demand Side Response, which is characterized in that
First control unit includes：The first acquisition module, first processing module and the first control module being sequentially connected；
First acquisition module, for gathering first multi-energy data；
The first processing module, for calculating the control component of the cold unit and described according to first multi-energy data
The control component of cold cold water flow variable frequency pump；And cold water of the component to the cold unit is controlled according to the cold unit
Leaving water temperature is controlled；
First control module, for the control component according to the cold cold water flow variable frequency pump and cold unit cold water stream
Amount controls the cold cold water flow variable frequency pump.
3. the cooling unit advanced control system according to claim 2 for realizing Demand Side Response, which is characterized in that described
First processing module includes：
System gross electric capacity controller, for calculating the according to the system gross electric capacity and the system gross electric capacity limit value
One control component；
First selector, it is smaller for being selected from the first control component of input and the refrigeration total load setting value
Signal is exported as the second control component；
Unit refrigeration work consumption controller, for calculating the 3rd according to the described second control component and the cold unit refrigeration work consumption
Control component；
Unit water outlet temperature setting value calculator, is connected with the unit refrigeration work consumption controller, for according to the described 3rd control
Component processed calculates the cold water temperature duty setting signal of the handpiece Water Chilling Units, and will be described in cold water temperature duty setting signal input
Handpiece Water Chilling Units, the cold water temperature setting value as the cold unit；
Unit cold water flow preset value calculation device, is connected with the unit refrigeration work consumption controller, for according to the described 3rd control
Component processed calculates the control component of the cold cold water flow variable frequency pump.
4. the cooling unit advanced control system according to claim 3 for realizing Demand Side Response, which is characterized in that described
First control module includes：
Cold water flow controller is connected with the unit cold water flow preset value calculation device, for according to the cold cold water stream
The control component and cold unit cold water flow for measuring variable frequency pump are implemented to control to the cold cold water flow variable frequency pump.
5. the cooling unit advanced control system of the realization Demand Side Response according to claim 2-4 any one, special
Sign is that second control unit includes：The second acquisition module and Second processing module being connected with each other；
Second acquisition module, for gathering the second multi-energy data；
The Second processing module becomes for calculating the cold-storage device cold water flow according to second multi-energy data of acquisition
The controlled quentity controlled variable of frequency pump；And the cold-storage device cold water flow is become according to the controlled quentity controlled variable of the cold-storage device cold water flow variable frequency pump
Frequency pump is controlled.
6. the cooling unit advanced control system according to claim 5 for realizing Demand Side Response, which is characterized in that
Second multi-energy data includes：The cold unit refrigeration work consumption, cold-storage storage release energy power, cold-storage device cold water
Flow and one or more second preset values；
Second preset value includes：The refrigeration total load setting value releases energy time setting value and cold-storage device selecting switch
Status signal.
7. the cooling unit advanced control system according to claim 6 for realizing Demand Side Response, which is characterized in that described
Second processing module includes：
First calculator, for calculating the 4th control according to the refrigeration total load setting value and the cold unit refrigeration work consumption
Component；
Second calculator, for controlling component according to the cold-storage storage and the energy time preset value calculation the 5th of releasing；
Second selector, for according to the 4th controlled quentity controlled variable, the 5th control component and the cold-storage device calculated
The controlled quentity controlled variable of energy controller is released in the calculating of selecting switch status signal；
It is described to release energy controller, it can cold-storage dress described in power calculation for releasing the controlled quentity controlled variable of energy controller and described release according to
The controlled quentity controlled variable for the cold water flow put；
Cold-storage device cold water flow controller, for controlled quentity controlled variable and the feedback acquisition of the cold water flow according to the cold-storage device
The cold-storage device cold water flow calculates the controlled quentity controlled variable of the cold-storage device cold water flow variable frequency pump, and according to the cold-storage device
The controlled quentity controlled variable of cold water flow variable frequency pump controls the cold-storage device cold water flow variable frequency pump.
8. a kind of cooling unit advanced control method for realizing Demand Side Response, which is characterized in that the described method includes：
The first multi-energy data is gathered, and first multi-energy data is handled, it is cold to generate cold unit and cold respectively
The control component of water flow variable frequency pump, and control the component Cold water-out temperature to the cold unit and institute respectively according to described
Cold cold water flow variable frequency pump is stated to be controlled；
The second multi-energy data is gathered, and second multi-energy data is handled, to generate cold-storage device cold water flow frequency conversion
The controlled quentity controlled variable of pump, and according to the controlled quentity controlled variable of the cold-storage device cold water flow variable frequency pump to the cold-storage device cold water flow frequency conversion
Pump is controlled；
Wherein, first multi-energy data includes：System gross electric capacity, cold unit refrigeration work consumption, cold unit cold water flow
And one or more first preset values；First preset value includes：System gross electric capacity limit value and refrigeration total load are set
Definite value；The cold unit uses energy equipment for generating cold water and being supplied to；The cold-storage device is used to be released in limited time in electricity consumption
The amount of letting cool.
9. the cooling unit advanced control method according to claim 8 for realizing Demand Side Response, which is characterized in that
Second multi-energy data includes：The cold unit refrigeration work consumption, cold-storage storage release energy power, cold-storage device cold water
Flow and one or more second preset values；
Second preset value includes：The refrigeration total load setting value releases energy time setting value and cold-storage device selecting switch
Status signal.
10. the cooling unit advanced control method according to claim 8 for realizing Demand Side Response, which is characterized in that institute
It states and first multi-energy data is handled, to generate the control component of cold unit and cold cold water flow variable frequency pump respectively
Including：
First control component is calculated according to the system gross electric capacity and the system gross electric capacity limit value；
Smaller signal is selected from the described first control component and the refrigeration total load setting value as the second control component
It is exported；
3rd control component is calculated according to the described second control component and the cold unit refrigeration work consumption；
Calculate the cold water temperature duty setting signal of the handpiece Water Chilling Units according to the described 3rd control component, and by the cold water temperature
Duty setting signal inputs the handpiece Water Chilling Units, the cold water temperature setting value as the cold unit；And according to the described 3rd
Component and the cold unit cold water flow is controlled to calculate the control component of the cold cold water flow variable frequency pump.
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| CN112611141A (en) * | 2020-12-24 | 2021-04-06 | 上海能誉科技股份有限公司 | Energy-saving control method and system for refrigeration host and computer readable storage medium |
| CN112797683A (en) * | 2020-12-31 | 2021-05-14 | 国网浙江省电力有限公司双创中心 | Cooperative control system for multiple refrigerating units of energy station |
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| CN108120191B (en) | 2020-06-19 |
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