CN106169760A - Main website AVC system and substation SVG system coordination control method - Google Patents
Main website AVC system and substation SVG system coordination control method Download PDFInfo
- Publication number
- CN106169760A CN106169760A CN201610601382.2A CN201610601382A CN106169760A CN 106169760 A CN106169760 A CN 106169760A CN 201610601382 A CN201610601382 A CN 201610601382A CN 106169760 A CN106169760 A CN 106169760A
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- svg
- substation
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- reactive
- idle
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Classifications
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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
-
- 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
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
-
- 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
- Y02E40/10—Flexible AC transmission systems [FACTS]
-
- 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 present invention relates to a kind of main website AVC system and substation SVG system coordination control method, including: in main website AVC system, set up the measurement of substation SVG, set up the parameter model of substation SVG system；The main transformer that each SVG unit of substation SVG system is corresponding is set；Main website AVC system carries out the whole network idle work optimization and calculates the reactive requirement amount of substation SVG；Main website AVC system obtains the reactive requirement amount of substation SVG system and the current idle instantaneous value of each SVG unit, steady-state adjustment lower limit, steady-state adjustment higher limit, and distributes Reactive-power control amount according to the idle method of salary distribution and be issued to each SVG unit；Each SVG unit of substation SVG system, carries out voltage power-less regulation according to the input state of affiliated substation SVG system, corresponding main transformer and blocking.Present invention optimizes the regulation of voltage power-less in electrical network, reduce scope range of the fluctuation of voltage, put forward high-tension stability and reliability, it is achieved the most local compensate idle, reduce the mobility in electrical network idle, reduce the loss of electrical network.
Description
Technical field
The present invention relates to electric power project engineering field, particularly relate to the association of a kind of main website AVC system and substation SVG system
Control method.
Background technology
Along with power system has obtained development at a high speed, electrical network scale rapid development, power automation technology have also been obtained
The biggest raising.Various dynamic reactive compensation devices (SVG, SVC, STATCOM, DWKN etc.) quickly grow, and start to become at 220kV
Power station and following electric pressure transformer station popularize.Dynamic reactive compensation device is possible not only at regulation voltage, improves system stability
Property and stabilize the aspect such as impact load impact and play bigger effect, and be to improve ability to transmit electricity and the important technology of voltage support
Measure.To improve the quality of voltage of electric power system, improve supply voltage qualification rate；Improve power factor, reduce reactive power flow and
Grid loss etc..
AVC system (Smart AVC, the auto voltage control system of electrical network) is with real time information accurately, logical
The voltage power-less regulating measure crossing electrical network realizes idle being automatically adjusted of line voltage.Current AVC system, the most all electricity
In net, configuration has the load adjustable gear of transformator, capacitor/reactor as voltage power-less regulating measure, due to be equipped with at present
Capacitor/reactor is fixed capacity, and causing AVC system is discrete to the regulation of voltage power-less, it is difficult to meet actual electricity
In net, the continuously smooth to voltage power-less regulates requirement, it is difficult to realize idle local compensation, voltage smooth adjustment.
Summary of the invention
Based on this, it is necessary to be difficult to idle local compensation, the problem of voltage smooth adjustment, it is provided that a kind of for above-mentioned
Main website AVC system and substation SVG system coordination control method.
A kind of main website AVC system and substation SVG system coordination control method, including:
(1) in main website AVC system, set up the measurement of substation SVG；Wherein, described measurement includes: substation SVG system
Input status information, the blocking of each SVG unit in the SVG system of substation, the most idle value of exerting oneself, steady-state adjustment lower limit
Value and steady-state adjustment higher limit；
(2) in described AVC system, set up the parameter model of substation SVG system；Wherein, described parameter model includes substation
The input state of SVG system and the idle method of salary distribution of the SVG of correspondence thereof；
(3) main transformer that each SVG unit of substation SVG system is corresponding is set；
(4) main website AVC system carries out the whole network idle work optimization calculating according to the input state of substation SVG system, obtains substation
The reactive requirement amount of SVG；
(5) main website AVC system obtains the described reactive requirement amount of substation SVG system and the idle of each SVG unit current
Instantaneous value, steady-state adjustment lower limit, steady-state adjustment higher limit, and according to the described idle method of salary distribution distribution Reactive-power control amount and under
Send to each SVG unit；
(6) each SVG unit of substation SVG system, according to input state, the corresponding main transformer of affiliated substation SVG system
Depressor and blocking carry out voltage power-less regulation.
Above-mentioned main website AVC system and substation SVG system coordination control method, optimize the tune of voltage power-less in electrical network
Joint, reduces scope range of the fluctuation of voltage, puies forward high-tension stability and reliability, it is achieved to the most local idle compensation, reduce electricity
Mobility in net is idle, reduces the loss of electrical network.
Accompanying drawing explanation
Fig. 1 is main website AVC system and the substation SVG system coordination control method flow chart of the present invention.
Detailed description of the invention
Illustrate the main website AVC system of the present invention and the enforcement of substation SVG system coordination control method below in conjunction with the accompanying drawings
Example.
With reference to shown in Fig. 1, Fig. 1 is main website AVC system and the substation SVG system coordination control method flow process of the present invention
Figure, including:
(1) in main website AVC system, set up the measurement of substation SVG；Wherein, described measurement includes: substation SVG system
Input status information, the blocking of each SVG unit in the SVG system of substation, the most idle value of exerting oneself, steady-state adjustment lower limit
Value and steady-state adjustment higher limit.
(2) in described AVC system, set up the parameter model of substation SVG system；Wherein, described parameter model includes substation
The input state of SVG system and the idle method of salary distribution of the SVG of correspondence thereof.
As an embodiment, described idle allocation model may include that equalitarian distribution method or proportional to capacity point
Formula formula.
(3) main transformer that each SVG unit of substation SVG system is corresponding is set；
(4) main website AVC system carries out the whole network idle work optimization calculating according to the input state of substation SVG system, obtains substation
The reactive requirement amount of SVG；
(5) main website AVC system obtains the described reactive requirement amount of substation SVG system and the idle of each SVG unit current
Instantaneous value, steady-state adjustment lower limit, steady-state adjustment higher limit, and according to the described idle method of salary distribution distribution Reactive-power control amount and under
Send to each SVG unit；
(6) each SVG unit of substation SVG system, according to input state, the corresponding main transformer of affiliated substation SVG system
Depressor and blocking carry out voltage power-less regulation.
Concrete, the regulation of described voltage power-less can include the following: SVG unit control dynamic reactive compensation device exert oneself and
The state of its discrete reactive power compensator being associated, the described Reactive-power control amount that output main website AVC system issues, to main website
AVC and substation SVG system coordinate control.
As an embodiment, following coordination control strategy can be used to carry out voltage power-less regulation:
If (6-1) the substation SVG system of plant stand belonging to SVG unit does not put into, the most discrete reactive-load compensation equipment is by main website
AVC system controls to carry out voltage power-less regulation；I.e. press ormal station policy control.
If (6-2) the SVG system of plant stand belonging to SVG unit puts into, the most discrete reactive-load compensation equipment is by substation SVG system control
System carries out voltage power-less regulation.
For the control strategy of (6-2), specifically can be such that
A (), when the main transformer that SVG unit is corresponding is stopped transport, main website AVC system issues voltage limits to this SVG unit,
This SVG unit carries out the local voltage power-less that controls according to described voltage limits and regulates；
B () is when SVG unit locking, if voltage out-of-limit, main website AVC system generates and performs gear regulation strategy and carries out electricity
Pressure Reactive-power control；
C () is when SVG unit is without locking, if SVG unit is without Reactive-power control ability and voltage out-of-limit, main website AVC system is raw
Become to perform gear regulation strategy and carry out voltage power-less regulation；
D () is when SVG unit is without locking, if SVG unit has idle regulating power and main website AVC system to issue Reactive-power control
Amount, SVG unit adjusts idle exerting oneself according to the Reactive-power control amount issued, and adjusts its discrete reactive power compensator controlled
State, controls current reactive power and exerts oneself and carry out voltage power-less regulation.
The technical scheme of above-described embodiment, it is achieved that in main website AVC system access substation SVG system, main website AVC system is led to
Cross the whole network idle work optimization to calculate, obtain the reactive requirement of substation SVG system, will distribute according to idle distribution principle under reactive requirement
Issuing each SVG unit of value substation SVG system, each SVG unit of substation SVG system goes out by controlling dynamic reactive compensation device
Power and the state of discrete reactive power compensator associated therewith thereof, it is provided that idle the exerting oneself of main website AVC system requirements, thus real
Show and main website AVC has been controlled with substation SVG system coordination.Finally realize the continuously smooth regulation of voltage.
Technical scheme, optimizes the regulation of voltage power-less in electrical network, reduces scope range of the fluctuation of voltage, improve voltage
Stability and reliability, it is achieved to idle continuous local compensation, reduce the mobility in electrical network idle, reduce the damage of electrical network
Consumption.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, not to above-mentioned reality
The all possible combination of each technical characteristic executed in example is all described, but, as long as the combination of these technical characteristics is not deposited
In contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, but also
Can not therefore be construed as limiting the scope of the patent.It should be pointed out that, come for those of ordinary skill in the art
Saying, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (5)
1. a main website AVC system and substation SVG system coordination control method, it is characterised in that including:
(1) in main website AVC system, set up the measurement of substation SVG；Wherein, described measurement includes: the throwing of substation SVG system
Enter status information, the blocking of each SVG unit in the SVG system of substation, the most idle value of exerting oneself, steady-state adjustment lower limit and
Steady-state adjustment higher limit；
(2) in described AVC system, set up the parameter model of substation SVG system；Wherein, described parameter model includes substation SVG
The input state of system and the idle method of salary distribution of the SVG of correspondence thereof；
(3) main transformer that each SVG unit of substation SVG system is corresponding is set；
(4) main website AVC system carries out the whole network idle work optimization calculating according to the input state of substation SVG system, obtains substation SVG's
Reactive requirement amount；
(5) main website AVC system obtain the described reactive requirement amount of substation SVG system and each SVG unit current idle in real time
Value, steady-state adjustment lower limit, steady-state adjustment higher limit, and distribute Reactive-power control amount according to the described idle method of salary distribution and be issued to
Each SVG unit；
(6) each SVG unit of substation SVG system, according to input state, the corresponding main transformer of affiliated substation SVG system
And blocking carries out voltage power-less regulation.
Main website the most according to claim 1 AVC system and substation SVG system coordination control method, it is characterised in that institute
The idle allocation model of the substation SVG system stating step (2) includes: equalitarian distribution method or the method for salary distribution proportional to capacity.
Main website the most according to claim 1 AVC system and substation SVG system coordination control method, it is characterised in that institute
That states step (6) carries out during voltage power-less regulation the input state according to affiliated substation SVG system, corresponding main transformer
And blocking carries out voltage power-less regulation and includes:
If (6-1) the substation SVG system of plant stand belonging to SVG unit does not put into, the most discrete reactive-load compensation equipment is by AVC system of main website
System control carries out voltage power-less regulation；
If (6-2) plant stand belonging to SVG unit SVG system put into, the most discrete reactive-load compensation equipment by substation SVG system control into
Row voltage power-less regulates.
Main website the most according to claim 3 AVC system and substation SVG system coordination control method, it is characterised in that institute
The voltage power-less regulation stating step (6) includes: SVG unit controls the discrete nothing that dynamic reactive compensation device is exerted oneself and is associated
The state of Reactive power compensation installations, the described Reactive-power control amount that output main website AVC system issues, main website AVC is entered with substation SVG system
Row is coordinated to control.
Main website the most according to claim 3 AVC system and substation SVG system coordination control method, it is characterised in that institute
The voltage power-less regulation stating step (6-2) includes:
A (), when the main transformer that SVG unit is corresponding is stopped transport, main website AVC system issues voltage limits to this SVG unit, this SVG
Unit carries out the local voltage power-less that controls according to described voltage limits and regulates；
B () is when SVG unit locking, if voltage out-of-limit, main website AVC system generate and perform gear regulation strategy carry out voltage without
Merit regulates；
C () is when SVG unit is without locking, if SVG unit generates hold without Reactive-power control ability and voltage out-of-limit, main website AVC system
Row gear regulation strategy carries out voltage power-less regulation；
D () is when SVG unit is without locking, if SVG unit has idle regulating power and main website AVC system to issue Reactive-power control amount,
SVG unit adjusts idle exerting oneself according to the Reactive-power control amount issued, and adjusts the shape of its discrete reactive power compensator controlled
State, controls current reactive power and exerts oneself and carry out voltage power-less regulation.
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| CN201610601382.2A CN106169760B (en) | 2016-07-26 | 2016-07-26 | Main website AVC system and substation SVG system coordination control method |
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| CN201610601382.2A CN106169760B (en) | 2016-07-26 | 2016-07-26 | Main website AVC system and substation SVG system coordination control method |
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| CN106169760B CN106169760B (en) | 2019-03-22 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107230987A (en) * | 2017-07-27 | 2017-10-03 | 广东电网有限责任公司惠州供电局 | A kind of distribution network var compensation Regional Synergetic control system based on mixing reactive power compensator |
| CN111555295A (en) * | 2020-04-28 | 2020-08-18 | 国网河北省电力有限公司电力科学研究院 | Online coordination control method for multiple reactive power compensation devices in regional power grid |
| CN112310972A (en) * | 2020-11-26 | 2021-02-02 | 国网四川省电力公司检修公司 | Coordination control method for master station AVC system and station-side static reactive power compensation device |
| CN114285173A (en) * | 2022-03-03 | 2022-04-05 | 广东电网有限责任公司佛山供电局 | Power supply area bus voltage linkage monitoring method and system |
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| CN105529719A (en) * | 2015-11-23 | 2016-04-27 | 国家电网公司 | Adjusting method based on comprehensive considering of voltage and reactive power for SVG (Static Var generator) of wind power plant |
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| JP2005102452A (en) * | 2003-09-26 | 2005-04-14 | Toshiba Corp | Operating device of transformer |
| CN102801170A (en) * | 2012-08-07 | 2012-11-28 | 广东电网公司中山供电局 | Reactive-voltage control method and system of regional power-grid substations |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107230987A (en) * | 2017-07-27 | 2017-10-03 | 广东电网有限责任公司惠州供电局 | A kind of distribution network var compensation Regional Synergetic control system based on mixing reactive power compensator |
| CN111555295A (en) * | 2020-04-28 | 2020-08-18 | 国网河北省电力有限公司电力科学研究院 | Online coordination control method for multiple reactive power compensation devices in regional power grid |
| CN112310972A (en) * | 2020-11-26 | 2021-02-02 | 国网四川省电力公司检修公司 | Coordination control method for master station AVC system and station-side static reactive power compensation device |
| CN112310972B (en) * | 2020-11-26 | 2024-02-09 | 国网四川省电力公司检修公司 | Coordinated control method for AVC system of master station and static reactive compensation device of station end |
| CN114285173A (en) * | 2022-03-03 | 2022-04-05 | 广东电网有限责任公司佛山供电局 | Power supply area bus voltage linkage monitoring method and system |
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| CN106169760B (en) | 2019-03-22 |
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