CN103401272A - Method for controlling grid-connected voltage of photovoltaic power station based on area coordination - Google Patents

Method for controlling grid-connected voltage of photovoltaic power station based on area coordination Download PDF

Info

Publication number
CN103401272A
CN103401272A CN2013102733248A CN201310273324A CN103401272A CN 103401272 A CN103401272 A CN 103401272A CN 2013102733248 A CN2013102733248 A CN 2013102733248A CN 201310273324 A CN201310273324 A CN 201310273324A CN 103401272 A CN103401272 A CN 103401272A
Authority
CN
China
Prior art keywords
voltage
idle
control
delta
photovoltaic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2013102733248A
Other languages
Chinese (zh)
Other versions
CN103401272B (en
Inventor
黄华
高宗和
丁茂生
戴则梅
项丽
陈颜
陈建华
马军
施佳峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NINGXIA ELECTRIC POWER Co
State Grid Corp of China SGCC
Nari Technology Co Ltd
Original Assignee
NINGXIA ELECTRIC POWER Co
State Grid Corp of China SGCC
Nari Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NINGXIA ELECTRIC POWER Co, State Grid Corp of China SGCC, Nari Technology Co Ltd filed Critical NINGXIA ELECTRIC POWER Co
Priority to CN201310273324.8A priority Critical patent/CN103401272B/en
Publication of CN103401272A publication Critical patent/CN103401272A/en
Application granted granted Critical
Publication of CN103401272B publication Critical patent/CN103401272B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/56—Power conversion systems, e.g. maximum power point trackers
    • 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

Landscapes

  • Control Of Electrical Variables (AREA)

Abstract

The invention discloses a method for controlling grid-connected voltage of a photovoltaic power station based on area coordination. The method comprises the steps that: 1) area voltage control modeling is carried out, wherein the photovoltaic power station is modeled as a control unit similar to a conventional power plant unit; 2) the photovoltaic power station uploads the reactive power regulation capacity and the operating state in real time, receives a control instruction of a scheduling master station, and executes in a tracking mode; 3) master station AVC (automatic voltage control) scans grid operating data acquired by SCADA (supervisory control and data acquisition) in real time; 4) the master station AVC carries out operating condition decision making, and automatically selects power plants and busbars participating in calculation and control; 5) decision making is carried out on a center busbar according to the voltage state of a grid-connected point of the photovoltaic power station; 6) the area voltage control model is refreshed, and the reactive power regulation amount is coordinated according to the control sensitivity; and 7) a control strategy is solved through a quadratic programming algorithm, and the master station AVC gives out a high-voltage side busbar voltage target value to the power plant and a reactive power target value to the photovoltaic power station through an SCADA telecontrol channel. The method disclosed by the invention can carry out compensation and suppression on voltage fluctuation caused by photovoltaic grid connection.

Description

Photovoltaic electric station grid connection voltage control method based on regional coordination
Technical field
The invention belongs to field of power system control, the present invention relates to more precisely a kind of voltage control method of the regulation and control of the photovoltaic electric station grid connection based on regional coordination.
Background technology
Solar energy power generating is to utilize the photovoltaic effect principle of solar cell solar radiant energy directly to be converted to a kind of forms of electricity generation of electric energy.Under the pressure of global energy anxiety and ecological deterioration, photovoltaic generation is subject to the attention of countries in the world, and the photovoltaic generation industry is rapidly developed.Large-scale photovoltaic generation access brings considerable influence to the safety and stability of electrical network, and wherein the reactive voltage problem is one of problem that receives much attention at present.
Inner at photovoltaic plant, by regulating photovoltaic DC-to-AC converter and booster stations reactive power compensator, can control also site is idle, possess certain idle regulating power, existing many documents are incorporated into the power networks simulation study and assessment have been carried out in the impact of reactive voltage with regard to large-scale photovoltaic power station simultaneously.Result of study and operating experience shows, the power of the reactive power support ability of partial electric grid that photovoltaic plant accesses has very important impact to photovoltaic plant and the normal operation that is connected to the grid thereof.To have an idle regulating power of randomness and fluctuation characteristics and photovoltaic plant not enough because photovoltaic generation is exerted oneself, and easily causes large-sized photovoltaic electric station grid connection point voltage frequent fluctuation, and the system access point in weakness, even may cause the voltage stability problem.
At present, based on scheduling station AVC(automatism voltage control) the regional voltage control technology that realizes progressively obtains practical application.Its basic principle is based on the locality characteristics of reactive balance, and the multiple reactive source such as generating set in zone is coordinated to control, and retrains under prerequisite and realizes the idle control target of backbone point voltage or critical point meeting busbar voltage.The zone voltage control can solve by coordinating secondary voltage control (CSVC) method, and the CSVC method is a quadratic programming model, with Mathematical Modeling, is expressed as follows:
1) target function: min ΔQ g r | | ( V p - V p ref ) + C pg ΔQ g | | 2 + h | | θ | | 2 , V wherein pWith
Figure BDA00003430805300012
Respectively maincenter bus current voltage and target voltage, C pgFor controlling the sensitivity coefficient matrix of unit centering pivot bus, Δ Q gTo control the idle adjustment amount of unit; R and h are weight coefficient, and θ is idle coordination vector, its meaning be utilize the generator number greater than maincenter bus number, have the characteristics of certain degree of freedom, realize the adjustment to the reactive power flow equiblibrium mass distribution.Make θ i=Δ Q gi(θ wherein iIdle i component coordinating vector, Δ Q giBe i and control the idle of unit), what in fact at this moment idle coordination vector was considered is from current operating point, and idle adjustment amount is minimum, and the larger unit of control sensitivity be should bear larger idle adjustment amount;
2) constraints: comprise exert oneself bound constraint of reactive source
Figure BDA00003430805300022
Definition?) constraint of critical busses voltage bound
Figure BDA00003430805300023
The constraint of control bus voltage step size Q wherein g,
Figure BDA00003430805300025
Figure BDA00003430805300026
Respectively to control current idle, the idle lower limit of unit and the idle upper limit, V c,
Figure BDA00003430805300027
Figure BDA00003430805300028
Respectively critical busses current voltage, lower voltage limit, upper voltage limit, C cgTo control the sensitivity coefficient matrix of unit to critical busses, C vgTo control the sensitivity coefficient matrix of unit to control bus, It is each control bus voltage maximal regulated amount.
Therefore, how on the basis of giving full play to the existing idle regulating power of photovoltaic plant,, from the angle of regional coordination, reducing the grid-connected voltage fluctuation that causes, is the problem that the photovoltaic electric station grid connection voltage control waits to solve.
, through preliminary search, find no temporarily the patent entry relevant to content of the present invention.
Summary of the invention
Goal of the invention of the present invention is:
On the basis of giving full play to the idle regulating power of photovoltaic plant, from the angle of regional coordination, the multiple reactive sources such as generating set and photovoltaic plant are coordinated to control, the grid-connected voltage fluctuation that causes is compensated and stabilizes, for large-scale photovoltaic is incorporated into the power networks, provide voltage support.
To achieve these goals, the present invention takes following technical scheme to realize:
A kind of voltage control method of photovoltaic electric station grid connection based on regional coordination, is characterized in that, comprises the following steps:
1) carry out regional voltage control modeling, wherein photovoltaic plant is modeled as the control unit;
2) photovoltaic plant is uploaded idle regulating power and running status in real time, and receiving scheduling main website control command and tracking in real time carried out;
3) the operation of power networks status data that gathers of the AVC of main website real time scan SCADA, comprise busbar voltage, unit is idle, unit is meritorious, switch tool state, the idle regulating power of photovoltaic plant and the state etc. that puts into operation, and close lock signal;
4) AVC of main website, according to real-time running state and the block signal of bus, Power Plant, photovoltaic plant, carries out the operating condition decision-making, selects to participate in the power plant and the bus that calculate and control; The operating mode decision-making refers to the authority that equipment participates in controlling is carried out decision-making, decision process is that classification is carried out according to plant stand-bus-equipment (unit) state, for example for unit, under it, plant stand, associated bus and unit self three are in arbitrarily blocking, and unit does not just participate in controlling.
5) according to photovoltaic electric station grid connection point voltage state, the maincenter bus is carried out decision-making, proofread and correct when the point voltage that is incorporated into the power networks is out-of-limit, if photovoltaic electric station grid connection point busbar voltage is normal, also the site bus is chosen as critical busses; Otherwise also the site bus is chosen as the maincenter bus, and upgrades maincenter bus target voltage; The maincenter bus is to control target, and the decision-making of maincenter bus is referred to controlling the automatic selection of target.When the photovoltaic electric station grid connection bus is out-of-limit, will automatically be chosen as the maincenter bus and be proofreaied and correct.
6) refresh regional voltage control quadratic programming model, control variables is that generating set and photovoltaic plant are idle, target function is that maincenter busbar voltage deviation minimum and critical busses meet the voltage constraint, and by controlling sensitivity, participate in without the distribution of work, i.e. the unit that sensitivity is larger be should bear larger idle adjustment amount; Controlling the sensitivity of using when policy calculation processed is accused in sensitivity, is the extension of reactive voltage sensitivity concept at control field.
7) solve by Novel Algorithm, the control strategy of acquisition comprises the variable increments such as unit is idle, busbar voltage, and the AVC of main website issues the high-voltage side bus voltage-target, photovoltaic plant is issued the Target of Reactive Power value power plant by the SCADA telecontrol channel.
The beneficial effect that the present invention reaches: the present invention sets up regional voltage control model, from the regional coordination angle, the multiple reactive sources such as generating set and photovoltaic plant are coordinated to control, complementary and cooperation by multiple reactive source, realize the idle control target of backbone point voltage or critical point meeting under busbar voltage constraint prerequisite, can compensate and stabilize the grid-connected voltage fluctuation that causes, for large-scale photovoltaic is incorporated into the power networks, provide voltage support.
Description of drawings
The grid-connected regional voltage control schematic diagram of accompanying drawing 1.
Embodiment
The voltage control method of the photovoltaic plant based on regional coordination that the present invention proposes reaches embodiment by reference to the accompanying drawings and is described in detail as follows:
Accompanying drawing 1 is grid-connected regional voltage control schematic diagram, has typicalness.In figure, control area comprises 1 photovoltaic plant that is incorporated into the power networks and 1 conventional power generation usage factory.The control method that the present invention proposes contains foundation the regional voltage control model of grid-connected bus and adopts QUADRATIC PROGRAMMING METHOD FOR to solve.Specifically comprise the following steps:
1) set up regional voltage control model, wherein BUS3 is the maincenter bus, and BUS1 is control bus, and photovoltaic electric station grid connection bus BUS2 is critical busses, and photovoltaic plant is equivalent for controlling unit G2;
2) photovoltaic plant is uploaded idle regulating power (comprise can increase idle/can subtract idle) and running status (comprise and drop into/withdraw from and a distant place/local state) in real time;
3) the operation of power networks status data that gathers of the AVC of main website real time scan SCADA, comprise that unit is idle, unit meritorious, switch tool state etc., and close lock signal, wherein busbar voltage vector V=[V 1, V 2, V 3] T, unit is idle goes out force vector Q=[Q 1, Q 2] T
4) AVC of main website is according to real-time running state and the block signal of bus and Power Plant/photovoltaic plant, carry out the operating condition decision-making, automatically select to participate in the Power Plant and the bus that calculate and control, wherein according to the switch tool state, carry out real-time topology, and in conjunction with measuring aggregation of data, judge whether unit, bus are in the charging operation state, according to block signal, increase magnetic latch/block signals such as demagnetize locking/dysregulation as unit and judge whether unit, bus move normal, according to unit, bus running status, select to participate in the equipment that calculates and control;
5) the maincenter bus is carried out decision-making, proofread and correct when the point voltage that is incorporated into the power networks is out-of-limit.Consider following two kinds of situations:
51) grid-connected some busbar voltage is normal, and this moment and site bus remain critical busses, and the maincenter bus is also corresponding constant;
52) grid-connected some busbar voltage is out-of-limit, automatically select and the site bus is the maincenter bus, and by the following formula point voltage correction target value V that automatically determines to be incorporated into the power networks 2 ref:
V 2 ref = V 2 max - &Delta; V tol , if V 2 > V 2 max V 2 min + &Delta; V tol , if V 2 < V 2 min
Wherein, V 2 max, V 2 minBe respectively also lower limit and the upper limit of site busbar voltage, Δ V tolFor the voltage correction bandwidth of setting.
6) refresh regional voltage control quadratic programming model, control variables is that generating set is idle and photovoltaic plant is idle, target function is that maincenter busbar voltage deviation is minimum, and take into account the idle reasonable distribution of exerting oneself, based on principle on the spot idle or that adjust nearby and in conjunction with taking full advantage of the idle regulating power of photovoltaic plant, participate in without the distribution of work by controlling sensitivity, i.e. the unit that sensitivity is larger be should bear larger idle adjustment amount, and concrete mathematical model is passed away in the scape technology, and CSVC is relevant to set forth;
7) solve by Novel Algorithm, obtain the idle increment optimal solution of control variables unit
Figure BDA000034308053000512
Be converted into again the control command to power plant and photovoltaic plant.Wherein each command calculations method is as follows:
71) solve following quadratic programming model:
min &Delta; Q 1 , &Delta; Q 2 | | ( V p - V p ref ) + C p 1 &Delta; Q 1 + C p 2 &Delta; Q 2 | | 2 + &Delta; Q 1 T h&Delta; Q 1 + &Delta; Q 2 T r&Delta; Q 2 s . t . V _ p &le; V p + C p 1 &Delta; Q 1 + C p 2 &Delta; Q 2 &le; V &OverBar; p Q _ 1 &le; Q 1 + &Delta; Q 1 &le; Q &OverBar; 1 Q _ 2 &le; Q 2 + &Delta; Q 2 &le; Q &OverBar; 2
Wherein, Q 1,
Figure BDA00003430805300053
Respectively current idle, the idle lower limit of Power Plant and the idle upper limit, Q 2,
Figure BDA00003430805300054
Figure BDA00003430805300055
Respectively current idle, the idle lower limit of photovoltaic plant and the idle upper limit; V p,
Figure BDA00003430805300056
Figure BDA00003430805300057
Maincenter bus current voltage, lower voltage limit and upper voltage limit, C p1The idle sensitivity to the maincenter busbar voltage of Power Plant, C p2The idle sensitivity to the maincenter busbar voltage of photovoltaic plant, Δ Q 1The idle adjustment amount of Power Plant, Δ Q 2It is the idle adjustment amount of photovoltaic plant; H is the Power Plant weight coefficient, and r is the photovoltaic plant weight coefficient, makes h＞r, preferentially adjusts photovoltaic plant idle; Adopt the active set Algorithm for Solving, provide the idle adjustment amount of Power Plant after calculating
Figure BDA00003430805300058
With the idle adjustment amount of photovoltaic unit
72) power plant is issued the high-voltage side bus voltage setting value:
Figure BDA000034308053000510
C wherein vgTo control the idle sensitivity coefficient matrix to voltage of unit;
73) photovoltaic plant is issued and the idle set point in site:
Figure BDA000034308053000511
The present invention is illustrated according to the preferred embodiment, should be appreciated that but above-described embodiment does not limit the present invention in any form, and all employings are equal to replaces or technical scheme that the form of equivalent transformation obtains, within all dropping on protection scope of the present invention.

Claims (4)

1. the voltage control method of the photovoltaic electric station grid connection based on regional coordination, is characterized in that, comprises the following steps:
1) carry out regional voltage control modeling, wherein photovoltaic plant is modeled as the control unit;
2) photovoltaic plant is uploaded idle regulating power and running status in real time, and receiving scheduling main website control command and tracking in real time carried out;
3) the operation of power networks status data that gathers of the AVC of main website real time scan SCADA, comprise busbar voltage, unit is idle, unit is meritorious, switch tool state, the idle regulating power of photovoltaic plant and put into operation state and block signal;
4) AVC of main website, according to real-time running state and the block signal of bus, Power Plant, photovoltaic plant, carries out the operating condition decision-making, selects participate in the bus that calculates and control and control unit;
5) according to photovoltaic electric station grid connection point voltage state, the maincenter bus is carried out decision-making, proofread and correct when the point voltage that is incorporated into the power networks is out-of-limit;
6) refresh regional voltage control quadratic programming model, control variables is that generating set and photovoltaic plant are idle, target function is that maincenter busbar voltage deviation minimum and critical busses meet the voltage constraint, and by controlling sensitivity, participate in without the distribution of work, i.e. the unit that sensitivity is larger be should bear larger idle adjustment amount;
7) solve by Novel Algorithm, the control strategy of acquisition comprises the idle and busbar voltage of unit, and the AVC of main website issues the high-voltage side bus voltage-target, photovoltaic plant is issued the Target of Reactive Power value power plant by the SCADA telecontrol channel.
2. the voltage control method of the photovoltaic electric station grid connection based on regional coordination as claimed in claim 1, is characterized in that, carries out regional voltage control modeling in step 1), and wherein photovoltaic plant is modeled as the control unit.
3. the voltage control method of the photovoltaic electric station grid connection based on regional coordination as claimed in claim 1, is characterized in that, in step 5), specifically comprises the following steps:
51) grid-connected some busbar voltage is normal, and this moment and site bus remain critical busses, and the maincenter bus is also corresponding constant;
52) grid-connected some busbar voltage is out-of-limit, automatically select and the site bus is the maincenter bus, and by the following formula point voltage correction target value V that automatically determines to be incorporated into the power networks 2 ref:
V 2 ref = V 2 max - &Delta; V tol , if V 2 > V 2 max V 2 min + &Delta; V tol , if V 2 < V 2 min
Wherein, V 2 max, V 2 minBe respectively also lower limit and the upper limit of site busbar voltage, Δ V tolFor the voltage correction bandwidth of setting.
4. the voltage control method of the photovoltaic electric station grid connection based on regional coordination as claimed in claim 1, is characterized in that, in step 7), the desired value computational methods are as follows:
71) solve following quadratic programming model:
min &Delta; Q 1 , &Delta; Q 2 | | ( V p - V p ref ) + C p 1 &Delta; Q 1 + C p 2 &Delta; Q 2 | | 2 + &Delta; Q 1 T h&Delta; Q 1 + &Delta; Q 2 T r&Delta; Q 2 s . t . V _ p &le; V p + C p 1 &Delta; Q 1 + C p 2 &Delta; Q 2 &le; V &OverBar; p Q _ 1 &le; Q 1 + &Delta; Q 1 &le; Q &OverBar; 1 Q _ 2 &le; Q 2 + &Delta; Q 2 &le; Q &OverBar; 2
Wherein, Q 1,
Figure FDA00003430805200023
Respectively current idle, the idle lower limit of Power Plant and the idle upper limit, Q 2,
Figure FDA00003430805200024
Respectively current idle, the idle lower limit of photovoltaic plant and the idle upper limit; V p,
Figure FDA00003430805200026
Maincenter bus current voltage, lower voltage limit and upper voltage limit, C p1The idle sensitivity to the maincenter busbar voltage of Power Plant, C p2The idle sensitivity to the maincenter busbar voltage of photovoltaic plant, Δ Q 1The idle adjustment amount of Power Plant, Δ Q 2It is the idle adjustment amount of photovoltaic plant; H is the Power Plant weight coefficient, and r is the photovoltaic plant weight coefficient, makes h＞r, preferentially adjusts photovoltaic plant idle; Adopt the active set Algorithm for Solving, provide the idle adjustment amount of Power Plant after calculating
Figure FDA00003430805200027
With the idle adjustment amount of conventional unit
Figure FDA00003430805200028
72) power plant is issued the high-voltage side bus voltage setting value:
Figure FDA00003430805200029
Wherein
Figure FDA000034308052000210
The idle adjustment amount of control unit after calculating, C vgTo control the idle sensitivity coefficient matrix to voltage of unit;
73) photovoltaic plant is issued and the idle set point in site:
Figure FDA000034308052000211
CN201310273324.8A 2013-06-28 2013-06-28 Based on the photovoltaic electric station grid connection voltage control method of regional coordination Active CN103401272B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310273324.8A CN103401272B (en) 2013-06-28 2013-06-28 Based on the photovoltaic electric station grid connection voltage control method of regional coordination

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310273324.8A CN103401272B (en) 2013-06-28 2013-06-28 Based on the photovoltaic electric station grid connection voltage control method of regional coordination

Publications (2)

Publication Number Publication Date
CN103401272A true CN103401272A (en) 2013-11-20
CN103401272B CN103401272B (en) 2015-08-12

Family

ID=49564845

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310273324.8A Active CN103401272B (en) 2013-06-28 2013-06-28 Based on the photovoltaic electric station grid connection voltage control method of regional coordination

Country Status (1)

Country Link
CN (1) CN103401272B (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103762600A (en) * 2013-12-23 2014-04-30 国网辽宁省电力有限公司 Secondary voltage control method based on measurement quality reliability judgment
CN105576703A (en) * 2016-02-04 2016-05-11 国电南瑞科技股份有限公司 Hybrid energy storage coordination control method based on real-time on-line analysis of power spectrum
CN107069754A (en) * 2017-01-03 2017-08-18 国家电网公司 A kind of continuously adjustabe reactive source AVC control instructions system of selection and system
CN109004688A (en) * 2018-08-13 2018-12-14 国网江苏省电力有限公司扬州供电分公司 A kind of global voltage-controlled photovoltaic plant power coordination distribution method of support power distribution network
CN109378863A (en) * 2018-10-31 2019-02-22 国电南瑞科技股份有限公司 The power grid Real-time generation control Study on Decision-making Method for Optimization of weight and constraint link adjustment
CN109412174A (en) * 2018-11-20 2019-03-01 许继集团有限公司 A kind of light storage electricity generation system flexibility combination method and device based on UPFC
CN109510239A (en) * 2018-12-14 2019-03-22 嘉兴市恒创电力设备有限公司 Distribution and photovoltaic power station control method based on automatism voltage control
CN110970902A (en) * 2018-12-20 2020-04-07 国网上海市电力公司 Voltage partition automatic reactive power optimization control method based on new energy access requirement
CN113541184A (en) * 2021-06-21 2021-10-22 广东电网有限责任公司电力调度控制中心 Power grid secondary voltage control method for offshore wind power collection area
CN116805799A (en) * 2023-08-22 2023-09-26 国网福建省电力有限公司 Distributed photovoltaic digestion method considering voltage constraint and line parameters

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0638379A (en) * 1992-07-17 1994-02-10 Mitsubishi Electric Corp Voltage/reactive power control system
JP2006081285A (en) * 2004-09-09 2006-03-23 Chugoku Electric Power Co Inc:The Control method for static reactive power compensator
CN102170136A (en) * 2011-04-25 2011-08-31 贵州电力调度通信局 Power station voltage reactive power master-slave double-command control method
CN102570471A (en) * 2012-02-27 2012-07-11 山东大学 Method for controlling voltage of wind farm through hierarchical coordination of multiple reactive power sources

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0638379A (en) * 1992-07-17 1994-02-10 Mitsubishi Electric Corp Voltage/reactive power control system
JP2006081285A (en) * 2004-09-09 2006-03-23 Chugoku Electric Power Co Inc:The Control method for static reactive power compensator
CN102170136A (en) * 2011-04-25 2011-08-31 贵州电力调度通信局 Power station voltage reactive power master-slave double-command control method
CN102570471A (en) * 2012-02-27 2012-07-11 山东大学 Method for controlling voltage of wind farm through hierarchical coordination of multiple reactive power sources

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
施佳锋 等: "含光伏发电的电网无功电压协调控制技术", 《宁夏电力》 *
薛峰 等: "大规模间歇式能源发电并网集群协调控制框架", 《电力系统自动化》 *

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103762600B (en) * 2013-12-23 2015-12-09 国网辽宁省电力有限公司 A kind of secondary voltage control method based on measuring quality Credibility judgement
CN103762600A (en) * 2013-12-23 2014-04-30 国网辽宁省电力有限公司 Secondary voltage control method based on measurement quality reliability judgment
CN105576703A (en) * 2016-02-04 2016-05-11 国电南瑞科技股份有限公司 Hybrid energy storage coordination control method based on real-time on-line analysis of power spectrum
CN107069754B (en) * 2017-01-03 2019-07-19 国家电网公司 A kind of continuously adjustable reactive source AVC control instruction selection method and system
CN107069754A (en) * 2017-01-03 2017-08-18 国家电网公司 A kind of continuously adjustabe reactive source AVC control instructions system of selection and system
CN109004688A (en) * 2018-08-13 2018-12-14 国网江苏省电力有限公司扬州供电分公司 A kind of global voltage-controlled photovoltaic plant power coordination distribution method of support power distribution network
CN109004688B (en) * 2018-08-13 2020-11-03 国网江苏省电力有限公司扬州供电分公司 Photovoltaic power station power coordination distribution method supporting power distribution network global voltage control
CN109378863A (en) * 2018-10-31 2019-02-22 国电南瑞科技股份有限公司 The power grid Real-time generation control Study on Decision-making Method for Optimization of weight and constraint link adjustment
CN109378863B (en) * 2018-10-31 2021-06-01 国电南瑞科技股份有限公司 Power grid real-time power generation control optimization decision method based on weight and constraint correlation adjustment
CN109412174A (en) * 2018-11-20 2019-03-01 许继集团有限公司 A kind of light storage electricity generation system flexibility combination method and device based on UPFC
CN109510239A (en) * 2018-12-14 2019-03-22 嘉兴市恒创电力设备有限公司 Distribution and photovoltaic power station control method based on automatism voltage control
CN110970902A (en) * 2018-12-20 2020-04-07 国网上海市电力公司 Voltage partition automatic reactive power optimization control method based on new energy access requirement
CN113541184A (en) * 2021-06-21 2021-10-22 广东电网有限责任公司电力调度控制中心 Power grid secondary voltage control method for offshore wind power collection area
CN113541184B (en) * 2021-06-21 2024-03-08 广东电网有限责任公司电力调度控制中心 Power grid secondary voltage control method facing offshore wind power collection area
CN116805799A (en) * 2023-08-22 2023-09-26 国网福建省电力有限公司 Distributed photovoltaic digestion method considering voltage constraint and line parameters
CN116805799B (en) * 2023-08-22 2023-10-27 国网福建省电力有限公司 Distributed photovoltaic digestion method considering voltage constraint and line parameters

Also Published As

Publication number Publication date
CN103401272B (en) 2015-08-12

Similar Documents

Publication Publication Date Title
CN103401272B (en) Based on the photovoltaic electric station grid connection voltage control method of regional coordination
CN104362648B (en) A kind of idle phase modulation method of photovoltaic plant
US20170317498A1 (en) Resiliency Controller for Voltage Regulation in Microgrids
CN103199542B (en) Method of optimal control of wind power plant reactive voltage
CN103532148A (en) Reactive coordination control method for wind power plant and regional power grid
CN102003337A (en) Active power control method of master station-end wind power field subject to wind power grid integration
Guo et al. Distributed cooperative voltage control of wind farms based on consensus protocol
Hu et al. An overview on analysis and control of micro-grid system
CN102170136B (en) Power station voltage reactive power master-slave double-command control method
CN104300538B (en) Plant stand coordinates update method and the system of coordination constraint limit value in automatism voltage control
CN105720611A (en) Reactive power control method and system for wind power plant
CN109361242A (en) A kind of photovoltaic power generation automatic voltage control method
CN105262098B (en) The quick automatic voltage control method assessed based on the fluctuation of wind power plant generated output
CN103138269A (en) Layered and distributed network voltage regulator control system and method based on active mechanism
Tao et al. Voltage control of distribution network with distributed generation based on voltage sensitivity matrix
CN105281331A (en) Province-prefecture cooperation voltage control method based on supply district optimization
CN105162129B (en) Meter and the distribution reactive voltage control method of distributed power source allocation optimum
CN106329574A (en) Photovoltaic power station reactive voltage control method based on irradiance change
CN102842920B (en) AC (alternating current) /DC (direct current) coordinating and control method for restraining large-scale wind turbine tripping
CN107910891B (en) A kind of distributed photovoltaic cluster voltage dual-layer optimization droop control method
CN104319783A (en) System and method for two-level distribution network coordination control based on load forecasting
CN107069757B (en) A kind of mixing multi-infeed HVDC system secondary voltage control method
CN105490279A (en) Dichotomy-based local voltage control method for distributed power supply
CN105811435A (en) Reactive compensation method for intelligent energy accumulation power generating system
Qian et al. A centralized frequency regulation strategy of PV power plant based equal adjustable capacity proportion mode

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant