CN109510204A - A kind of active distribution network multilevel voltage quality treatment method based on multi-agent technology - Google Patents
A kind of active distribution network multilevel voltage quality treatment method based on multi-agent technology Download PDFInfo
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- CN109510204A CN109510204A CN201811603926.4A CN201811603926A CN109510204A CN 109510204 A CN109510204 A CN 109510204A CN 201811603926 A CN201811603926 A CN 201811603926A CN 109510204 A CN109510204 A CN 109510204A
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- distribution network
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
- H02J3/16—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by adjustment of reactive power
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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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention proposes a kind of active distribution network multilevel voltage quality treatment method based on multi-agent technology, comprising the following steps: setting reactive power compensator, each load end data of acquisition are carried out processing to load end data and form the control of reactive power compensating signal and carried out coordinating the regulation received the control of reactive power compensating signal of reactive power compensator using multi-agent technology；The method of the present invention is by the way that the voltage at active distribution network multilevel voltage end can be adaptively adjusted based on multi-agent technology, improve active distribution network running efficiency of system, it is quickly administered with the sensitive load problem effectively occurred to active distribution network multilevel voltage end, administering method of the present invention has the advantages that safety and stability and scientific and reasonable simultaneously, operation control is carried out by the reactive voltage to each multilevel voltage end of active distribution network, the idle resource of the power equipments such as distributed generation resource in active distribution network can be transferred, effectively so as to improve the supply voltage quality of active distribution network.
Description
Technical field
The present invention relates to power distribution network Treatment process field more particularly to a kind of active distribution network based on multi-agent technology are more
Step voltage quality treatment method.
Background technique
Active distribution network is with the power supplys load control hand such as distributed power generation, energy storage, electric car and Demand Side Response
Section can be directed to the actual motion state of electric system, be control target with economy safety, automatic adjusument its network,
The power distribution network of power generation and load.In active distribution network system, multilevel voltage quality is the anti-of distribution network system steadiness
Feedback, directly affects the comprehensive performance of active distribution network system, in the industrial enterprise of modernization, what the influence of quality of voltage accounted for
Specific gravity increasingly improves, and the sensitive load that voltage change generates may be cut off automatically when voltage dip occurs, once excision, extensive
Demutation produces needs several hours even several days time, thus will cause huge loss.
Existing multilevel voltage quality treatment method is divided into the improvement of power supply system side and the improvement of load side, power supply system
Side administering method includes increasing network nargin, changing network topology using solid-state switch, improve power supply system surrounding enviroment etc., is born
The administering method of lotus side includes using the A.C. contactor of anti-voltage dip, installation uninterruptible power supply (UPS), installation energy storage device
And dynamic voltage compensator (DVR), motor self-starting etc. in batches.
But there is the wastes, at high cost and can not be adapted to high-power quick for causing the equipment energy for the above administering method
The problems such as feeling load.Therefore, the present invention proposes a kind of active distribution network multilevel voltage quality controlling side based on multi-agent technology
Method, to solve shortcoming in the prior art.
Summary of the invention
In view of the above-mentioned problems, the method for the present invention is more by that active distribution network can be adaptively adjusted based on multi-agent technology
The voltage at step voltage end improves active distribution network running efficiency of system, with what is effectively occurred to active distribution network multilevel voltage end
Sensitive load problem is quickly administered, while administering method of the present invention has the advantages that safety and stability and scientific and reasonable, passes through
Operation control is carried out to the reactive voltage at each multilevel voltage end of active distribution network, can effectively be transferred distributed in active distribution network
The idle resource of the power equipments such as power supply achievees the effect that reactive Voltage Optimum operation control, so as to improve active distribution network
Supply voltage quality.
The present invention proposes a kind of active distribution network multilevel voltage quality treatment method based on multi-agent technology, including following
Step:
Step 1: substation, feeder line, distribute-electricity transformer district and the setting reactive compensation of customer charge end in active distribution network fill
It sets；
Step 2: substation, feeder line, distribute-electricity transformer district and user are acquired by the load acquisition module of active distribution network
The load data of load side；
Step 3: by dsp chip to the substation of acquisition, feeder line, distribute-electricity transformer district and customer charge end load data
Digital Signal Processing is carried out, the control of reactive power compensating signal is formed；
Step 4: substation, feeder line, distribute-electricity transformer district and customer charge end formation the control of reactive power compensating signal be transmitted to nothing
After Reactive power compensation installations, coordinated control substation, feeder line, distribute-electricity transformer district and the setting of customer charge end are carried out using multi-agent technology
Reactive power compensator is realized to the multilevel voltage quality controlling in active distribution network in turn.
Further improvement lies in that: the reactive power compensator in the step 1 includes Static Var Compensator/static reacance
Generator, passive filtering compensation device and Active Power Filter-APF.
Further improvement lies in that: substation's load side in the step 1 in active distribution network is provided with passive filtering benefit
Device is repaid, the feeder line and distribute-electricity transformer district load side in the active distribution network are provided with Static Var Compensator/static reacance
Generator and passive filtering compensation device, the family load side load side in the active distribution network are provided with active power filtering
Device.
Further improvement lies in that: substation in the step 2, feeder line, distribute-electricity transformer district and customer charge end load data
It is loaded including source element load, lighting device load, inductive load, capacitive load and power electronic equipment.
Further improvement lies in that: also equipped with FLASH memory, the FLASH storage in dsp chip in the step 3
Device be used for save, backup dsp chip acquire substation, feeder line, distribute-electricity transformer district and customer charge end load data.
Further improvement lies in that: substation in the step 4, feeder line, the voltage at distribute-electricity transformer district and customer charge end are qualified
Rate and tri-phase unbalance factor are by carrying out coordinating regulation passive filtering compensation device and static var compensation using multi-agent technology
Device/static reactive generator is repaid to carry out realizing that quality of voltage is administered.
Further improvement lies in that: the harmonic distortion of substation, feeder line, distribute-electricity transformer district and customer charge end in the step 4
Rate is to carry out realizing that quality of voltage is administered by carrying out coordination regulation Active Power Filter-APF using multi-agent technology.
The invention has the benefit that the method for the present invention is actively matched by that can be adaptively adjusted based on multi-agent technology
The voltage at power grid multilevel voltage end improves active distribution network running efficiency of system, effectively to active distribution network multilevel voltage end
The sensitive load problem of appearance is quickly administered, while administering method of the present invention has safety and stability and scientific and reasonable excellent
Point carries out operation control by the reactive voltage to each multilevel voltage end of active distribution network, can effectively transfer active distribution network
The idle resource of the power equipments such as middle distributed generation resource achievees the effect that reactive Voltage Optimum operation control, so as to improve actively
The supply voltage quality of power distribution network.
Detailed description of the invention
Fig. 1 is the method for the present invention flow diagram.
Fig. 2 is present system schematic illustration.
Specific embodiment
In order to deepen the understanding of the present invention, the present invention is further described below in conjunction with embodiment, the present embodiment
For explaining only the invention, it is not intended to limit the scope of the present invention..
According to Fig. 1,2, the present embodiment proposes a kind of active distribution network multilevel voltage quality based on multi-agent technology
Administering method, comprising the following steps:
Step 1: substation, feeder line, distribute-electricity transformer district and the setting reactive compensation of customer charge end in active distribution network fill
It sets, reactive power compensator includes Static Var Compensator/static reactive generator, passive filtering compensation device and active electric power filter
Wave device, substation's load side in active distribution network are provided with passive filtering compensation device, the feeder line in the active distribution network
It is provided with Static Var Compensator/static reactive generator and passive filtering compensation device with distribute-electricity transformer district load side, it is described
Family load side load side in active distribution network is provided with Active Power Filter-APF；
Step 2: substation, feeder line, distribute-electricity transformer district and user are acquired by the load acquisition module of active distribution network
The load data of load side, load data include source element load, lighting device load, inductive load, capacitive load and electricity
The load of power electronic device；
Step 3: by dsp chip to the substation of acquisition, feeder line, distribute-electricity transformer district and customer charge end load data
Digital Signal Processing is carried out, the control of reactive power compensating signal is formed, also equipped with FLASH memory, the FLASH in dsp chip
Memory be used for save, backup dsp chip acquire substation, feeder line, distribute-electricity transformer district and customer charge end load data；
Step 4: substation, feeder line, distribute-electricity transformer district and customer charge end formation the control of reactive power compensating signal be transmitted to nothing
After Reactive power compensation installations, coordinated control substation, feeder line, distribute-electricity transformer district and the setting of customer charge end are carried out using multi-agent technology
Reactive power compensator is realized to the multilevel voltage quality controlling in active distribution network, substation, feeder line, distribute-electricity transformer district and use in turn
The rate of qualified voltage and tri-phase unbalance factor of family load side are by carrying out coordinating regulation passive filtering benefit using multi-agent technology
It repays device and Static Var Compensator/static reactive generator carries out realizing that quality of voltage is administered, substation, feeder line, distribution transforming platform
The percent harmonic distortion at area and customer charge end is by carrying out coordinating regulation Active Power Filter-APF progress using multi-agent technology
Realize that quality of voltage is administered.
The method of the present invention is by the way that the electricity at active distribution network multilevel voltage end can be adaptively adjusted based on multi-agent technology
Pressure improves active distribution network running efficiency of system, with the sensitive load problem effectively occurred to active distribution network multilevel voltage end
It is quickly administered, while administering method of the present invention has the advantages that safety and stability and scientific and reasonable, by active distribution network
The reactive voltage at each multilevel voltage end carries out operation control, can effectively transfer the electric power such as distributed generation resource in active distribution network and set
Standby idle resource achievees the effect that reactive Voltage Optimum operation control, so as to improve the supply voltage quality of active distribution network.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe originals of the invention
Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements
It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle
It is fixed.
Claims (7)
1. a kind of active distribution network multilevel voltage quality treatment method based on multi-agent technology, which is characterized in that including following
Step:
Step 1: reactive power compensator is arranged in substation, feeder line, distribute-electricity transformer district and customer charge end in active distribution network；
Step 2: substation, feeder line, distribute-electricity transformer district and customer charge are acquired by the load acquisition module of active distribution network
The load data at end；
Step 3: it is carried out by load data of the dsp chip to the substation of acquisition, feeder line, distribute-electricity transformer district and customer charge end
Digital Signal Processing forms the control of reactive power compensating signal；
Step 4: substation, feeder line, distribute-electricity transformer district and customer charge end formation the control of reactive power compensating signal be transmitted to idle benefit
After repaying device, the idle of coordinated control substation, feeder line, distribute-electricity transformer district and the setting of customer charge end is carried out using multi-agent technology
Compensation device is realized to the multilevel voltage quality controlling in active distribution network in turn.
2. a kind of active distribution network multilevel voltage quality treatment method based on multi-agent technology according to claim 1,
It is characterized by: the reactive power compensator in the step 1 includes Static Var Compensator/static reactive generator, passive filter
Wave compensation device and Active Power Filter-APF.
3. a kind of active distribution network multilevel voltage quality treatment method based on multi-agent technology according to claim 2,
It is characterized by: substation's load side in the step 1 in active distribution network is provided with passive filtering compensation device, it is described
Feeder line and distribute-electricity transformer district load side in active distribution network are provided with Static Var Compensator/static reactive generator and passive
Filtering compensation device, the family load side load side in the active distribution network are provided with Active Power Filter-APF.
4. a kind of active distribution network multilevel voltage quality treatment method based on multi-agent technology according to claim 1,
It is characterized by: substation in the step 2, feeder line, distribute-electricity transformer district and customer charge end load data include source element
Load, lighting device load, inductive load, capacitive load and power electronic equipment load.
5. a kind of active distribution network multilevel voltage quality treatment method based on multi-agent technology according to claim 1,
It is characterized by: also equipped with FLASH memory in dsp chip in the step 3, the FLASH memory for saving,
Backup dsp chip acquisition substation, feeder line, distribute-electricity transformer district and customer charge end load data.
6. a kind of active distribution network multilevel voltage quality treatment method based on multi-agent technology according to claim 2,
It is characterized by: substation in the step 4, feeder line, the rate of qualified voltage and three-phase at distribute-electricity transformer district and customer charge end are uneven
Weighing apparatus degree is by carrying out coordinating regulation passive filtering compensation device and Static Var Compensator/static reacance using multi-agent technology
Generator carries out realizing that quality of voltage is administered.
7. a kind of active distribution network multilevel voltage quality treatment method based on multi-agent technology according to claim 2,
It is characterized by: substation in the step 4, feeder line, distribute-electricity transformer district and customer charge end percent harmonic distortion be to pass through utilization
Multi-agent technology carries out coordination regulation Active Power Filter-APF and carries out realizing that quality of voltage is administered.
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