CN102386628A - 10Kv line voltage reactive optimize compensation system based on reactive power flow analysis - Google Patents

10Kv line voltage reactive optimize compensation system based on reactive power flow analysis Download PDF

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Publication number
CN102386628A
CN102386628A CN2011104267431A CN201110426743A CN102386628A CN 102386628 A CN102386628 A CN 102386628A CN 2011104267431 A CN2011104267431 A CN 2011104267431A CN 201110426743 A CN201110426743 A CN 201110426743A CN 102386628 A CN102386628 A CN 102386628A
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CN
China
Prior art keywords
line
reactive power
measure
unit
reactive
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Pending
Application number
CN2011104267431A
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Chinese (zh)
Inventor
陈朝晖
林建宁
李勃
林永
江修波
郑阿建
李懿燊
阮明霞
郑志立
黄春庆
朱敏
陈道华
林丽娟
蔡淑琴
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.)
State Grid Corp of China SGCC
State Grid Fujian Electric Power Co Ltd
Putian Power Supply Co of State Grid Fujian Electric Power Co Ltd
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Putian Power Supply Co of State Grid Fujian Electric Power 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
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Application filed by Putian Power Supply Co of State Grid Fujian Electric Power Co Ltd filed Critical Putian Power Supply Co of State Grid Fujian Electric Power Co Ltd
Priority to CN2011104267431A priority Critical patent/CN102386628A/en
Publication of CN102386628A publication Critical patent/CN102386628A/en
Pending legal-status Critical Current

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20Smart grids as enabling technology in buildings sector
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/30Reactive power compensation
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/70Smart grids as climate change mitigation technology in the energy generation sector
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

Abstract

The invention relates to a voltage reactive power compensation device, in particular to a 10Kv line voltage reactive optimize compensation system based on reactive power flow analysis. The voltage reactive optimize compensation system has the structural key points that a power distribution end measurement control unit, a signal transmission unit, a line side measurement control unit, a switch actuating mechanism, and a reactive power compensation unit are included; the power distribution end measurement control unit and the line side measurement control unit realize remote data transmission through the signal transmission unit, and the reactive power compensation data and instruction of the line side measurement control unit, which have received reactive power flow analysis, are transmitted to the switch actuating mechanism for reactive optimize compensation operation. The invention has the advantages that the original line voltage reactive power compensation technical scheme is optimized, voltage at the head end and the tail end of the line can be balanced, voltage quality at the tail end of the line can be improved, line loss is reduced, and both line voltage qualification rate and line power factor qualification rate can reach 100%.

Description

10kV line voltage distribution reactive optimizing compensation system based on the reactive power flow analysis
Technical field
The present invention relates to a kind of voltage and reactive power compensation device, particularly a kind of 10kV line voltage distribution reactive optimizing compensation system of analyzing based on reactive power flow.
Background technology
Power distribution network is that last link to user's power supply in the four big essential links is sent out, becomes, fails, joined to the electric power system electric energy; Distribution transforming depressor (abbreviation distribution transforming) then is a power equipment of in the power distribution network electric energy directly being distributed to low-voltage customer, is the separation of middle pressure (35KV), low pressure (10KV) power distribution network and user 380/220V power distribution network.In the prior art; The 10KV reactive power compensation mainly concentrates on transformer station; Improve the output voltage quality of distribution transforming depressor, but can't take into account the voltage condition of each section circuit on the transmission line, the underproof problem of line voltage distribution that causes because of the first latter end voltage of 10KV circuit drop occurred.In order to address this problem, existing line build-out mode adopts several groups of electric capacity of fixed compensation on the line mostly, but owing to do not consider the load or burden without work of 10KV circuit and the variation that reactive power flow changes; Basically can't reach perfect compensation effect, such result has just formed Voltage unbalance between present each circuit, and line loss is big; The power factor (PF) of latter end is low; Quality of voltage is poor, and it is too high first section relative on circuit voltage to occur, and certain section problem that voltage is too low.
Summary of the invention
The objective of the invention is to weak point according to prior art provides a kind of can the optimal compensating circuit idle, and the voltage on each circuit of balance reduces the 10kV line voltage distribution reactive optimizing compensation system of analyzing based on reactive power flow of line loss.
The objective of the invention is to realize through following approach:
10kV line voltage distribution reactive optimizing compensation system based on the reactive power flow analysis; Its structural feature is; Include distribution end measure-controlling unit, signal transmission unit, line side measure-controlling unit, switch actuator and reactive power compensation unit, the distribution end measure-controlling unit includes Allocation transformer signal in real time acquisition module, data processing and control module and the triggering delivery module that connects in regular turn; The line side measure-controlling unit includes signal transmitting and receiving module, microcomputer analysis processing module and the instruction delivery module that connects in regular turn; The triggering delivery module of distribution end measure-controlling unit is through signal transmitting and receiving module long-range be connected of signal transmission unit with the line side measure-controlling unit, and the instruction delivery module of line side measure-controlling unit is connected with the reactive power compensation unit through switch actuator.
The job step and the principle of above-mentioned reactive optimizing compensation system are following:
The distribution end measure-controlling unit is installed on distribution transforming side electrical network; Its Allocation transformer signal in real time acquisition module is connected with this distribution transforming side electrical network, gathers the electric signal parameter such as voltage, electric current of this electrical network in real time, obtains information such as active power, reactive power, harmonic wave; And send data processing and control module to
Data processing and control module is analyzed the gather all kinds of electrical quantitys that obtain, calculate and is handled based on the reactive power flow analytical technology; Generate the reactive power compensation data; And the important parameter and the data such as reactive power compensation data and reactive power compensation instruction of packing distribution end; Be sent on the signal transmission unit through triggering delivery module
Signal transmission unit is a kind of based on wired or wireless teledata delivery unit, and it will be sent to the line side from the data that distribution side obtains.The line side is meant each section circuit based on same distribution side; Its signal transmitting and receiving module receives the data from distribution side from signal transmission unit; And send in the microcomputer analysis processing module, the microcomputer analysis processing module is a kind of microprocessor of analyzing based on reactive power flow, and the electrical signal data of distribution side is analyzed and calculated according to line voltage distribution, load; The final reactive power compensation amount that obtains the line side; The microcomputer analysis processing module is handled analysis result, obtains data such as a reactive power compensation amount and reactive compensation switching instruction, sends these data to switch actuator through the instruction delivery module; Specify the switching of compensation rate to operate through switch actuator to the reactive power compensation unit, accomplish that the line side voltage and reactive power optimization is compensated.
Described reactive power flow analysis is meant a steady operational status analysis in electric power system, provides the power that sends or export in the power equipments such as each generator, transformer, transmission line on the circuit in service, refers to the analysis that reactive power distributes.The present invention is through obtaining all kinds of electric signal parameters of 10kV circuit distribution side, and as the major control foundation, adopts the mode of reactive power flow analysis to obtain accurate reactive power compensation scheme; And carry out switching; Optimized original line voltage distribution reactive power compensation technology scheme, balance the first terminal voltage of circuit, improved the quality of voltage of circuit latter end; Reduced line loss, made line voltage distribution qualification rate and line power factor qualification rate can both reach 100%.
The present invention can further be specially:
The line side measure-controlling unit also includes the real-time monitoring modular of circuit, and it is connected with the microcomputer analysis processing module.
The real-time monitoring modular of circuit is used for gathering in real time also each electric signal parameter of Monitoring Line side; Like voltage, electric current, reactive power, power factor (PF) or the like; The microcomputer analysis processing module based on the reactive power flow analysis, is carried out analysis-by-synthesis calculating with teledata and local data after obtaining the next idle data of distribution end measure-controlling unit teletransmission; Can obtain a more accurate reactive power compensation amount, make the reactive power compensation unit in line side can accomplish the better optimize compensation.
Because the reactive power flow analysis comprised the head end of circuit and the analysis of end and power load, yet those skilled in the art are often because the electrical quantity in line side influences little to reactive power and do not take in the application of these data.For low-voltage circuit; Factors such as wiring, environmental factor, equipment because of load, circuit corridor; Possibly cause the variation of reactive power, therefore, behind the electrical quantity of having considered the line side; And after it is adopted the processing of reactive power flow analytical technology, can make the reactive power in line side obtain more perfect compensation.
Signal transmission unit is a kind of wire signal delivery unit, perhaps is a kind of optical fiber and digital delivery unit, perhaps is a kind of data cable transfer system, perhaps is a kind of power line data communication system.
Because circuit corridor problem; On existing basis, adopt optical fiber and digital delivery unit or data cable transfer system all can reach ripe, active data transmission, yet, be not that all circuits can both have ready-made optical fiber that lays or data cable; Optimal way is the power line data communication system; It comprises existing power line and all kinds of intermediate equipment of laying, and like switch, bridging device, trunking or the like, so just need not to lay in addition optical fiber or data cable; It is big to have solved consequent quantities, but project does not have problems such as real-time.
Or: signal transmission unit is a kind of wireless data delivery unit, perhaps is a kind of microwave data transfer system, perhaps is a kind of GPRS wireless telecommunication system, perhaps is a kind of cdma wireless communication system.
The GPRS/CDMA wireless telecommunication system includes the GPRS/CDMA network that connects the APN special line and the fixing group-network construction of IP; Through the GPRS/CDMA network of APN access via telephone line commmunication company, both sides' internet device carries out wide area through fixed ip address and connects respectively for the triggering delivery module in the distribution end measure-controlling unit and the signal transmitting and receiving module of line side measure-controlling unit.
Described APN (ACCESS POINT NAME); It is APN; Be the on-position of the external network that can communicate by letter with certain portable terminal, it is the networking technology of a kind of GPRS of being based upon basis online, can form netted network connection; Communication does not have the center bottleneck; Make up immediate communication platform efficiently, with the computer networking technology that least cost inserts, minimum communication cost provides enterprise's private network of high-performance high reliability, it be solve network security transmission the most efficiently, the networking technology of saving most.
After adopting APN special line and GPRS/CDMA network, commmunication company is that native system distributes special-purpose APN, and provides special-purpose SIM to move internal fixation IP to distribute.After having used GPRS/CDMA, data realize to divide into groups are sent and are received, and the user just can be always online and be charged by flow, and has reduced cost of serving rapidly.And the GPRS/CDMA network is responsible for maintenance by mobile operator, has saved the maintenance cost of communication.
The microcomputer analysis processing module of the data processing module of distribution end measure-controlling unit and line side measure-controlling unit is a kind of microcomputer measuring and controlling module, and it is connected with the capacitor protection device.
On the microcomputer measuring and controlling module, increase the operation safe, reliable, steady in a long-term that the capacitor protection device can guarantee bucking-out system.
Distribution end measure-controlling unit and line side measure-controlling unit all adopt the PQC2000 measuring and controlling.
The core component of PQC2000 measuring and controlling is high-speed data processor DSP; Adopt AC Data; Real-time Monitoring Line voltage, electric current and reactive power flow, and have the resolution capability of the idle harmonic sense of current, can be according to above-mentioned line electricity parameter information analysis-by-synthesis; Fast reaction has perfect measurement, protection, control and communication function.
In sum; The present invention is based on reactive power flow analysis optimization technology, adopt the different circuits based on same distribution end to carry out segmented compensation, parameters such as the reactive power that records with distribution end, voltage are as the foundation of control; Adopt the mode of reactive power flow analysis to obtain accurate reactive power compensation scheme; Utilize signal transmission unit to realize that the data of remote control, remote measurement, remote signalling, remote regulating transmit, the control line trackside carries out the auto-reactive compensation operation, separates measure-controlling unit that integrated originally and switching performance element; Realize the automatic operation of far distance controlled reactive power compensation unit; Separate the long distance of the measurement and control unit of reactive power compensator and compensating unit (the rural power grids line length is generally more than 10km) first, measuring control point is positioned at the circuit head end, compensation point be arranged in circuit a bit or some; Optimized original line voltage distribution reactive power compensation technology scheme, balance the first terminal voltage of circuit, improved the quality of voltage of circuit latter end, reduced line loss, make line voltage distribution qualification rate and line power factor qualification rate can both reach 100%.
Description of drawings
Shown in Figure 1 is the system frame structure sketch map of the 10kV line voltage distribution reactive optimizing compensation system of analyzing based on reactive power flow of the present invention.
Shown in Figure 2 is the signal flow diagram of reactive optimizing compensation system of the present invention.
Below in conjunction with embodiment the present invention is done and to further describe.
Specific embodiment
Most preferred embodiment:
With reference to accompanying drawing 1 and accompanying drawing 2: the 10kV line voltage distribution reactive optimizing compensation system based on reactive power flow is analyzed, include distribution end measure-controlling unit, signal transmission unit, line side measure-controlling unit, switch actuator and reactive power compensation unit, wherein:
The distribution end measure-controlling unit adopts the PQC200A measure-controlling unit, and it includes Allocation transformer signal in real time acquisition module, data processing and control module and the triggering delivery module that connects in regular turn; Allocation transformer signal in real time acquisition module includes voltage transformer pt summation current transformer CT, and data processing and control module is a kind of microcomputer measuring and controlling module, and it is connected with a kind of capacitor protection device; Triggering delivery module is a kind of GPRS communication interface module, in SIM is installed, and be provided with fixedly IP.
Signal transmission unit is a kind of GPRS wireless data communication system; Include the GPRS/CDMA network that connects the APN special line and the fixing group-network construction of IP; Through the GPRS network of APN access via telephone line commmunication company, both sides' internet device carries out wide area through fixed ip address and connects respectively for the triggering delivery module in the distribution end measure-controlling unit and the signal transmitting and receiving module of line side measure-controlling unit.
The line side measure-controlling unit adopts the PQC200B measure-controlling unit; It includes signal transmitting and receiving module, microcomputer analysis processing module and the instruction delivery module that connects in regular turn; And the real-time monitoring modular of circuit that is connected with the microcomputer analysis processing module, wherein, the signal transmitting and receiving module is a kind of GPRS communication interface module; In SIM is installed, and be provided with fixedly IP.The microcomputer analysis processing module is a kind of microcomputer measuring and controlling module based on the reactive power flow analytical technology, and the capacitor protection device is installed equally.
The triggering delivery module of distribution end measure-controlling unit is through signal transmitting and receiving module long-range be connected of signal transmission unit with the line side measure-controlling unit, and the instruction delivery module of line side measure-controlling unit is connected with the reactive power compensation unit through switch actuator.
The job step and the principle of above-mentioned reactive optimizing compensation system are following:
The distribution end measure-controlling unit is installed on distribution transforming side electrical network; Its Allocation transformer signal in real time acquisition module is connected with this distribution transforming side electrical network; Electric signal parameters such as the voltage of this electrical network of collection, electric current obtain information such as active power, reactive power, harmonic wave, and send data processing and control module in real time; Data processing and control module is analyzed the gather all kinds of electrical quantitys that obtain, calculate and is handled based on the reactive power flow analytical technology; Generate the reactive power compensation data, and the important parameter and the data such as reactive power compensation data and reactive power compensation instruction of packing distribution end, send the line side measure-controlling unit through triggering delivery module to via signal transmission unit.
The signal transmitting and receiving module receives the data from distribution side from signal transmission unit; And send in the microcomputer analysis processing module; The microcomputer analysis processing module is a kind of microprocessor of analyzing based on reactive power flow; The electrical signal data of distribution side is analyzed and calculated according to line voltage distribution, load, finally obtain the reactive power compensation amount in line side, the microcomputer analysis processing module is handled analysis result; Obtain data such as a reactive power compensation amount and reactive compensation switching instruction; Send these data to switch actuator through the instruction delivery module, specify the switching of compensation rate to operate to the reactive power compensation unit, accomplish that the line side voltage and reactive power optimization is compensated through switch actuator.
Capacitor configuration set for the reactive power compensation unit: the ratio in 2:1 is divided into groups, and realizes three grades of switching compensation with two groups of automatic switches, and every group of fling-cut switch is made up of vacuum switch and signal triggering module.The signal triggering module is placed on the electric operator of vacuum switch.Outdoor in addition reactive power compensation unit main circuit also is equipped with total isolating switch, fuse switch, and zinc oxide electric capacity protection type lightning arrester, thermal protector, ventilation cooling device and running status show; String has fast acting fuse as short-circuit protection in each capacitive branch, under or the situation that harmonic wave is bigger big in capacity of short circuit, also string one constant volume is arranged reactor as current limiting element.
Technical scheme according to the invention need be developed the management control system of a cover based on communication network, and it is a communication media based on Chinese public mobile network GPRS/CDMA, connects to be distributed in the line building-out unit on the 10KV circuit, the switching of management and control device.This system comprises: database server, communication front end processor, control management system platform etc.; Database adopts the large commercial database.
It is identical with prior art that the present invention does not state part.

Claims (6)

1. the 10kV line voltage distribution reactive optimizing compensation system of analyzing based on reactive power flow; It is characterized in that; Include distribution end measure-controlling unit, signal transmission unit, line side measure-controlling unit, switch actuator and reactive power compensation unit, the distribution end measure-controlling unit includes Allocation transformer signal in real time acquisition module, data processing and control module and the triggering delivery module that connects in regular turn; The line side measure-controlling unit includes signal transmitting and receiving module, microcomputer analysis processing module and the instruction delivery module that connects in regular turn; The triggering delivery module of distribution end measure-controlling unit is through signal transmitting and receiving module long-range be connected of signal transmission unit with the line side measure-controlling unit, and the instruction delivery module of line side measure-controlling unit is connected with the reactive power compensation unit through switch actuator.
2. the 10kV line voltage distribution reactive optimizing compensation system of analyzing based on reactive power flow according to claim 1 is characterized in that the line side measure-controlling unit also includes the real-time monitoring modular of circuit, and it is connected with the microcomputer analysis processing module.
3. the 10kV line voltage distribution reactive optimizing compensation system of analyzing based on reactive power flow according to claim 1; It is characterized in that; Signal transmission unit is a kind of based on wired teledata delivery unit; Perhaps being a kind of optical fiber and digital delivery unit, perhaps is a kind of data cable transfer system, perhaps is a kind of power line data communication system.
4. the 10kV line voltage distribution reactive optimizing compensation system of analyzing based on reactive power flow according to claim 1; It is characterized in that; Signal transmission unit is a kind of based on wireless teledata delivery unit; Perhaps being a kind of microwave data transfer system, perhaps is a kind of GPRS wireless telecommunication system, perhaps is a kind of cdma wireless communication system.
5. the 10kV line voltage distribution reactive optimizing compensation system of analyzing based on reactive power flow according to claim 1; It is characterized in that; The microcomputer analysis processing module of the data processing module of distribution end measure-controlling unit and line side measure-controlling unit is a kind of microcomputer measuring and controlling module, and it is connected with the capacitor protection device.
6. the 10kV line voltage distribution reactive optimizing compensation system of analyzing based on reactive power flow according to claim 1 is characterized in that distribution end measure-controlling unit and line side measure-controlling unit all adopt the PQC2000 measuring and controlling.
CN2011104267431A 2011-12-19 2011-12-19 10Kv line voltage reactive optimize compensation system based on reactive power flow analysis Pending CN102386628A (en)

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CN102684208A (en) * 2012-05-24 2012-09-19 重庆大学 Wide-area reactive optimal running method for power distribution network
CN102882217A (en) * 2012-10-20 2013-01-16 吉林省电力有限公司通化供电公司 10-kV distribution net front end operation parameter long-distance collection system and control method
CN103326380A (en) * 2013-07-16 2013-09-25 国家电网公司 Interface system and method of power transmission and distribution reactive power optimization system
CN104426151A (en) * 2013-08-27 2015-03-18 深圳市华冠电气有限公司 Reactive power compensation system based on wireless communication
CN106602577A (en) * 2016-12-01 2017-04-26 南京南瑞继保电气有限公司 Static reactive compensation system for far-end compensation and control method of system

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CN201994671U (en) * 2010-11-18 2011-09-28 南京因泰莱配电自动化设备有限公司 Intelligent distributed reactive power compensation device
CN202424184U (en) * 2011-12-19 2012-09-05 福建省电力有限公司莆田电业局 Optimized reactive voltage compensation system based on reactive power flow analysis for 10kV line

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Publication number Priority date Publication date Assignee Title
US20030067285A1 (en) * 1999-11-24 2003-04-10 Kehrli Arnold P. Reactive power compensation to minimize step voltage changes and transients
CN1835324A (en) * 2006-03-02 2006-09-20 王南宁 Electric network reactive compensator and method thereof
CN101127442A (en) * 2007-06-22 2008-02-20 泰州苏源科电有限公司 Control method and system for 10kV and lower distribution grid no power voltage optimized operation
CN201994671U (en) * 2010-11-18 2011-09-28 南京因泰莱配电自动化设备有限公司 Intelligent distributed reactive power compensation device
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102684208A (en) * 2012-05-24 2012-09-19 重庆大学 Wide-area reactive optimal running method for power distribution network
CN102882217A (en) * 2012-10-20 2013-01-16 吉林省电力有限公司通化供电公司 10-kV distribution net front end operation parameter long-distance collection system and control method
CN103326380A (en) * 2013-07-16 2013-09-25 国家电网公司 Interface system and method of power transmission and distribution reactive power optimization system
CN104426151A (en) * 2013-08-27 2015-03-18 深圳市华冠电气有限公司 Reactive power compensation system based on wireless communication
CN104426151B (en) * 2013-08-27 2017-11-07 深圳市华冠电气有限公司 Reactive power compensation system based on radio communication
CN106602577A (en) * 2016-12-01 2017-04-26 南京南瑞继保电气有限公司 Static reactive compensation system for far-end compensation and control method of system
CN106602577B (en) * 2016-12-01 2019-02-22 南京南瑞继保电气有限公司 A kind of static var compensation system and its control method compensated for distal end

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