CN208923832U - A kind of distributed generation resource reactive compensation control system - Google Patents
A kind of distributed generation resource reactive compensation control system Download PDFInfo
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- CN208923832U CN208923832U CN201820932639.7U CN201820932639U CN208923832U CN 208923832 U CN208923832 U CN 208923832U CN 201820932639 U CN201820932639 U CN 201820932639U CN 208923832 U CN208923832 U CN 208923832U
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- reactive power
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- generation resource
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
Abstract
The utility model discloses a kind of distributed generation resource reactive compensation control systems, including monitoring modular, main control module, from control module and alarm module, monitoring modular is used to monitor the state parameter of distributed generation resource and distribution network system, and sends data to main control module and from control module;Main control module for receiving data, calculates required reactive compensation power when new distributed generation resource access distribution network, determines the control mode and switching capacity of reactive power compensation device, and calculated result is transmitted to corresponding reactive power compensation device;From control module for adjusting reactive power power when reactive power distribution formula plant-grid connection distribution network in real time, the switching capacity of reactive power compensation device is determined, and transmit the result to corresponding reactive power compensation device;Alarm module, which is used to be unable to satisfy setting value more than setting time in system reactive power, then provides prompt information, and the utility model realizes the on-line control of distributed generation resource reactive compensation.
Description
Technical field
The utility model belongs to Distributed Power Generation field, and in particular to a kind of distributed generation resource the control of reactive power compensating system
System.
Background technique
For the development for promoting clean energy resource and new energy, distributed generation resource is grid-connected to become current research hotspot, technical ability
Meet electricity consumption flexibility and is able to satisfy economic benefit again.
However, with the access of distributed generation resource, after distributed generation resource reaches certain capacity, can voltage to route,
Power quality etc. produces serious influence, and protects system also increasingly complex, directly affects economic benefit, or even jeopardize power grid
Safe operation.Being monitored to distributed generation resource can guarantee that distribution network system is in for a long time in safe and reliable fortune
Row state, currently, cannot achieve economic effect for the adjusting of reactive power due to ununified distributed generation resource cut-in method
Benefit maximizes, while being also unable to satisfy real-time quick adjusting, this causes unfavorable shadow for the sustainable development of distributed generation resource
It rings.
Utility model content
To solve the above problems, realizing distribution the utility model proposes a kind of distributed generation resource reactive compensation control system
The on-line control of formula power supply reactive compensation solves the technical issues of system reactive power fluctuates.
The utility model adopts the following technical solution, a kind of distributed generation resource reactive compensation control system, including monitoring mould
Block, main control module, from control module and alarm module, wherein
Monitoring modular is used to monitor the state parameter of distributed generation resource and distribution network, and sends data to master control molding
Block, from control module and alarm module;
Main control module is idle when calculating new distributed generation resource access distribution network for setting reactive power target value
Power is compensated, determines the control mode and switching capacity of reactive power compensation device, and it is idle that calculated result is transmitted to correspondence
Power compensating device and from control module;
From control module for adjusting reactive power power when reactive power distribution formula plant-grid connection distribution network in real time, in master
Nothing is determined on the basis of the control mode of reactive power compensation device and the reactive power target value of setting that control module determines
The switching capacity of reactive power compensation device, and calculated result is transmitted to corresponding reactive power compensation device;
Alarm module is connected with main control module, for calculating the reactive power of distribution network, judges the nothing of distribution network
Whether function power meets the reactive power target value of setting, is unable to satisfy the reactive power target value of setting then more than setting time
Provide prompt information.
Preferably, the monitoring modular and main control module, pass through data/address bus between control module and alarm module
Or ethernet communication mode carries out data transmission.
Preferably, the state parameter includes: the current value and voltage value of distributed generation resource branch;The electricity of distribution network side
Flow valuve and voltage value.
Preferably, the reactive power compensation device is dynamic reactive generator.
Preferably, the main control module calculates the method that reactive compensation power uses and calculates for colony optimization algorithm or population
Method sets reactive power target value, calculates separately the reactive power of distribution network and the reactive power of distributed generation resource, meeting
On the basis of reactive power compensation, adaptive value is set at least with loss minimization, operating cost, determines best reactive power compensation value
And the control mode and switching capacity of reactive power compensation device.
Preferably, described to be adjusted in real time from control module specifically: the reactive power target value of main control module is received, point
Not Ji Suan the reactive power of distribution network and the reactive power of distributed generation resource, according to the reactive power target value of setting, distribution
The difference of the reactive power of the reactive power and distributed generation resource of network determines reactive power compensation value, thereby determines that reactive power
The switching capacity of compensation device.
Preferably, the determining reactive power compensation value is adjusted using fuzzy control.
Utility model is achieved the utility model has the advantages that the utility model is a kind of distributed generation resource reactive compensation control system,
The technical issues of realizing the on-line control of distributed generation resource reactive compensation, solving system reactive power fluctuation.The utility model is adopted
Two-step evolution is taken, for the distributed generation resource newly accessed, it is complete to consider that reactive compensation, distribution network network loss and economic benefit carry out
Face optimization, determines the reactive power compensator of switching, economic benefit is improved under the premise of meeting reactive compensation;In addition, for
Reactive power fluctuation present in system is formed closed-loop control system, is effectively inhibited system by the way of fuzzy control
Reactive power fluctuation;Calculation amount is considerably reduced by two-step evolution, system is made to be able to satisfy reactive power under various conditions
Setting value improves the adjustment speed of system;Meanwhile the case where for being unable to satisfy setting value for a long time, system provides automatically
Prompt messages avoid serious consequence.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
Below according to attached drawing and the technical solution of the utility model is further elaborated in conjunction with the embodiments.
Fig. 1 is the structure chart of the utility model, and the utility model adopts the following technical solution, and a kind of distributed generation resource is idle
Compensation control system, including monitoring modular, main control module, from control module and alarm module, wherein
Monitoring modular is used to monitor the state parameter of distributed generation resource and distribution network, and sends data to master control molding
Block, from control module and alarm module;
Main control module is idle when calculating new distributed generation resource access distribution network for setting reactive power target value
Power is compensated, determines the control mode and switching capacity of reactive power compensation device, and it is idle that calculated result is transmitted to correspondence
Power compensating device and from control module;
From control module for adjusting reactive power power when reactive power distribution formula plant-grid connection distribution network in real time, in master
Nothing is determined on the basis of the control mode of reactive power compensation device and the reactive power target value of setting that control module determines
The switching capacity of reactive power compensation device, and calculated result is transmitted to corresponding reactive power compensation device;
Alarm module is connected with main control module, for calculating the reactive power of distribution network, judges the nothing of distribution network
Whether function power meets the reactive power target value of setting, is unable to satisfy the reactive power target value of setting then more than setting time
Provide prompt information.
Preferably, the monitoring modular and main control module, pass through data/address bus between control module and alarm module
Or ethernet communication mode carries out data transmission.
Preferably, the state parameter includes: the current value and voltage value of distributed generation resource branch;The electricity of distribution network side
Flow valuve and voltage value.
Preferably, the reactive power compensation device is dynamic reactive generator.
Preferably, the main control module calculates the method that reactive compensation power uses and calculates for colony optimization algorithm or population
Method sets reactive power target value, calculates separately the reactive power of distribution network and the reactive power of distributed generation resource, meeting
On the basis of reactive power compensation, adaptive value is set at least with loss minimization, operating cost, determines best reactive power compensation value
And the control mode and switching capacity of reactive power compensation device.
Preferably, described to be adjusted in real time from control module specifically: the reactive power target value of main control module is received, point
Not Ji Suan the reactive power of distribution network and the reactive power of distributed generation resource, according to the reactive power target value of setting, distribution
The difference of the reactive power of the reactive power and distributed generation resource of network determines reactive power compensation value, thereby determines that reactive power
The switching capacity of compensation device.
Preferably, the determining reactive power compensation value is adjusted using fuzzy control.
Claims (7)
1. a kind of distributed generation resource reactive compensation control system, which is characterized in that including monitoring modular, main control module, from control
Molding block and alarm module, wherein
Monitoring modular is used to monitor the state parameter of distributed generation resource and distribution network, and send data to main control module,
From control module and alarm module;
Main control module calculates reactive compensation when new distributed generation resource access distribution network for setting reactive power target value
Power, determines the control mode and switching capacity of reactive power compensation device, and calculated result is transmitted to corresponding reactive power
Compensation device and from control module;
From control module for adjusting reactive power power when reactive power distribution formula plant-grid connection distribution network in real time, in main control
Idle function is determined on the basis of the control mode of reactive power compensation device and the reactive power target value of setting that module determines
The switching capacity of rate compensation device, and calculated result is transmitted to corresponding reactive power compensation device;
Alarm module is connected with main control module, for calculating the reactive power of distribution network, judges the idle function of distribution network
Whether rate meets the reactive power target value of setting, and the reactive power target value for being unable to satisfy setting more than setting time then provides
Prompt information.
2. a kind of distributed generation resource reactive compensation control system according to claim 1, which is characterized in that the monitoring modular
Data biography is carried out with main control module, between control module and alarm module through data/address bus or ethernet communication mode
It is defeated.
3. a kind of distributed generation resource reactive compensation control system according to claim 1, which is characterized in that the state parameter
It include: the current value and voltage value of distributed generation resource branch;The current value and voltage value of distribution network side.
4. a kind of distributed generation resource reactive compensation control system according to claim 1, which is characterized in that the reactive power
Compensation device is dynamic reactive generator.
5. a kind of distributed generation resource reactive compensation control system according to claim 1, which is characterized in that the master control molding
The method that block calculating reactive compensation power uses sets reactive power target value, respectively for colony optimization algorithm or particle swarm algorithm
The reactive power of distribution network and the reactive power of distributed generation resource are calculated, on the basis of meeting reactive power compensation, with net
Damage is minimum, operating cost at least sets adaptive value, determines the control of best reactive power compensation value and reactive power compensation device
Mode processed and switching capacity.
6. a kind of distributed generation resource reactive compensation control system according to claim 1, which is characterized in that described from control mould
Block is adjusted in real time specifically: the reactive power target value for receiving main control module, calculate separately distribution network reactive power and
The reactive power of distributed generation resource, according to the reactive power target value, the reactive power of distribution network and distributed generation resource of setting
The difference of reactive power determine reactive power compensation value, thereby determine that the switching capacity of reactive power compensation device.
7. a kind of distributed generation resource reactive compensation control system according to claim 1 or 6, which is characterized in that the determination
Reactive power compensation value is adjusted using fuzzy control.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111668854A (en) * | 2020-05-18 | 2020-09-15 | 安徽徽电科技股份有限公司 | Compensation system for medium-high voltage power grid |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN111668854A (en) * | 2020-05-18 | 2020-09-15 | 安徽徽电科技股份有限公司 | Compensation system for medium-high voltage power grid |
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