CN205453135U - Modified SVG reactive power compensator - Google Patents

Modified SVG reactive power compensator Download PDF

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Publication number
CN205453135U
CN205453135U CN201521065685.4U CN201521065685U CN205453135U CN 205453135 U CN205453135 U CN 205453135U CN 201521065685 U CN201521065685 U CN 201521065685U CN 205453135 U CN205453135 U CN 205453135U
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svg
phase
reactive power
compensation module
igbt
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CN201521065685.4U
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Chinese (zh)
Inventor
李永东
孙伟
周喜宾
刘新宇
艾比布勒·塞塔尔
宋占党
顾军
原春亮
黄擎
陈兴
王志远
陈臻
刘彪
刘岩
陈疆
吴玉兰
李欣宇
张艳辉
余英
李武峰
邓泽官
王献丽
鞠登峰
张群
狄谦
薛利
吴尚洁
张冰婧
陆东杰
黄孟欣
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Urumqi Power Supply Company of State Grid Xinjiang Electric Power Company
State Grid Corp of China SGCC
Beijing State Grid Purui UHV Transmission Technology Co Ltd
Original Assignee
URUMQI POWER SUPPLY Co OF STATE GRID XINJIANG ELECTRIC POWER Co
Beijing State Grid Purui UHV Transmission Technology Co Ltd
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Application filed by URUMQI POWER SUPPLY Co OF STATE GRID XINJIANG ELECTRIC POWER Co, Beijing State Grid Purui UHV Transmission Technology Co Ltd filed Critical URUMQI POWER SUPPLY Co OF STATE GRID XINJIANG ELECTRIC POWER Co
Priority to CN201521065685.4U priority Critical patent/CN205453135U/en
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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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/10Flexible AC transmission systems [FACTS]

Abstract

The utility model provides a modified SVG reactive power compensator, this SVG reactive power compensator pass through the converter and link to each other with the 10kV electric wire netting, are equipped with heat abstractor's control box in SVG reactive power compensator includes, install at internal SVG controller, the compensation of IGBT power module, reactor group and the vacuum circuit breaker of control box to and locate control box external data acquisition device and converter, the input of data acquisition device links to each other with the 10kV electric wire netting, and its output links to each other with the input of SVG controller, and the output of SVG controller links to each other with the input of IGBT power compensation module, the output of IGBT power compensation module concatenates in proper order behind reactor group and the vacuum circuit breaker and to link to each other with the once side input of converter, and the secondary side output of converter is continuous with the 10kV electric wire netting. The device provided by the utility model simple structure, small, it is convenient to overhaul, and heat dispersion is good, can realize high -speed, the high accuracy requirement of IGBT power compensation film block control process, still possesses stronger interference killing feature simultaneously.

Description

A kind of SVG reactive power compensator of improvement
Technical field
This utility model relates to a kind of reactive power compensator, the SVG reactive power compensator of a kind of 10kV.
Background technology
Reactive power compensation, the effect of the power factor improving electrical network is played in power supply system, reduce supply transformer and the loss of conveying circuit, improve power supply environment, therefore indispensable important device during reactive power compensation device is power system, reasonably selecting reactive power compensator, the loss that can reduce electrical network to greatest extent improves power grid quality.
SVG is to apply more universal reactive power compensator at present, its distinguishing feature be can quickly, smooth adjustment capacitive or lagging reactive power, realize dynamic compensation, it is widely used in transmission system, industry net system, achieve preferable technical economic benefit, thus at home and abroad obtain development faster and actual application.
Existing SVG reactive power compensator is mainly made up of digital signal processor DSP and IGBT large power semiconductor device drive circuit and other auxiliary protection circuit.Owing to the pwm pulse bandwidth modulation signals output pin quantity of conventional digital signal processor DSP self limits, if a fairly large number of IGBT device being carried out pwm signal and controlling the most unable to do what one wishes, if using specialty pwm signal producing element often barely satisfactory in terms of controlling motility and autgmentability, and control cost and also tend to bigger.
On the other hand, SVG reactive power compensator is the most bulky, and structure is complicated, poor anti jamming capability, is unfavorable for maintenance and safeguards, is in use susceptible to fault owing to heat radiation is bad, and then has influence on the properly functioning of whole SVG reactive power compensator.
Utility model content
In order to solve the above-mentioned deficiency in the presence of prior art, this utility model provides a kind of new SVG reactive power compensator.
The technical scheme that this utility model provides is: the SVG reactive power compensator of a kind of improvement, described SVG reactive power compensator is connected with 10kV electrical network by current transformer, it thes improvement is that: described SVG reactive power compensator is provided with the control casing of heat abstractor in including, it is arranged on the SVG controller in described control chamber body, IGBT power compensation module, Reactor banks and vacuum circuit breaker, and is located at the external data acquisition unit of described control chamber and current transformer;The input of described data acquisition unit is connected with described 10kV electrical network, and its outfan is connected with the input of described SVG controller, and the outfan of described SVG controller is connected with the input of described IGBT power compensation module;The outfan of described IGBT power compensation module is sequentially connected in series Reactor banks and is connected with primary side input with described current transformer after vacuum circuit breaker, and the secondary side outfan of described current transformer is connected with 10kV electrical network.
Preferably, described data acquisition unit includes A phase current sensor CT1, A phase voltage transformer PT1, B phase current sensor CT2, B phase voltage transformer PT2, C phase current sensor CT3 and C phase voltage transformer PT3;Described A phase current sensor CT1 is connected with A phase cable and the described SVG controller of described 10kV electrical network respectively with described A phase voltage transformer PT1;Described B phase current sensor CT2 is connected with B phase cable and the described SVG controller of described 10kV electrical network respectively with described B phase voltage transformer PT2;Described C phase current sensor CT3 is connected with C phase cable and the described SVG controller of described 10kV electrical network respectively with described C phase voltage transformer PT3.
Further, described SVG controller includes signal conditioning circuit, digital signal processor DSP, field programmable gate array FPGA and the CPLD interface processing unit being sequentially connected with;Described signal conditioning circuit includes the signal conditioning circuit being connected respectively with described A phase current sensor CT1, described A phase voltage transformer PT1, described B phase current sensor CT2, described B phase voltage transformer PT2, described C phase current sensor CT3 and described C phase voltage transformer PT3;Described CPLD interface processing unit is connected with the input of IGBT power compensation module.
Further, described IGBT power compensation module includes an IGBT power compensation module and the 2nd IGBT power compensation module;A described IGBT power compensation module and described 2nd IGBT power compensation module all include that six inverse parallels have the insulated gate bipolar transistor IGBT of diode;Each two insulated gate bipolar transistor IGBT one single-phase brachium pontis of composition;Two ends with two other single-phase brachium pontis respectively, the two ends of each single-phase brachium pontis be connected after Shunt Capacitor Unit;The grid of each insulated gate bipolar transistor IGBT all pwm signal output interfaces with described CPLD interface processing unit are connected;In each single-phase brachium pontis, the middle end that connects of two insulated gate bipolar transistors is connected with Reactor banks.
Preferably, go back between described Reactor banks and described vacuum circuit breaker and be connected to spark gap.
Further, described digital signal processor DSP is connected by the touch screen that RS485 cable is external with control chamber.
Further, described digital signal processor DSP is also associated with remote control, and described remote control includes the sender unit being located in control chamber body and the signal receiving device being located at outside casing;Described sender unit is connected by order wire with described digital signal processor DSP, and with described signal receiving device wireless connections.
Preferably, described heat abstractor includes master controller, temperature sensor, cooling fan and radiator;Described IGBT power compensation module is arranged on described radiator, and described master controller connects described temperature sensor and described cooling fan respectively;Described cooling fan mouth is directed at described radiator.
Preferably, described control casing includes rectangular casing and the chamber door being arranged on described casing, and described chamber door is rotationally connected by hinge with described casing, and described casing side is provided with thermovent and outgoing line busbar, and its top board is provided with illuminating lamp;Described thermovent is louvered thermovent.
Further, described box inside top is provided with illuminating lamp.
Compared with immediate technical scheme, this utility model has a following marked improvement:
1) the SVG reactive power compensator circuit structure that this utility model provides is simple, low cost, use SVG sky Huang Chinese catalpa fine jade harmonic wave and reactive power to be compensated simultaneously, real-time, the corresponding time is fast, use spark gap that circuit is controlled isolation, can effective guarantee network system properly functioning.
2) SVG controller uses digital signal processor DSP, field programmable gate array FPGA to drive the hardware platform constituting generation PWM drive signal together with element CPLD interface processing unit with light-coupled isolation, IGBT power compensation module can be realized and control the high speed of process, high-precision requirement, be also equipped with stronger capacity of resisting disturbance simultaneously.
3) SVG controller, IGBT power compensation module, Reactor banks and vacuum circuit breaker reasonable Arrangement are in the control chamber body being provided with heat abstractor, reduce the volume of SVG reactive power compensator, improve capacity of resisting disturbance and the heat-sinking capability of SVG reactive power compensator.
4) control chamber side portion is provided with louvered radiator window, further enhance the heat dispersion of SVG reactive power compensator, additionally, heat abstractor is collectively constituted by master controller, temperature sensor, cooling fan and radiator, the output of cooling fan can be controlled according to the temperature controlling box house, can preferably manage the temperature controlling box house.
5) it is provided with illuminating lamp in control chamber body, it is simple in dark surrounds, control casing is overhauled.
Accompanying drawing explanation
The overall structure schematic diagram of the SVG reactive power compensator that Fig. 1 provides for this utility model;
Fig. 2 is the connection diagram of data acquisition unit and SVG controller;
Fig. 3 is the connection diagram of SVG controller and IGBT power compensation module.
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described in further detail.
In order to thoroughly understand this utility model embodiment, detailed structure will be proposed in following description.Obviously, the execution of this utility model embodiment is not limited to the specific details that those skilled in the art is familiar with.Preferred embodiment of the present utility model is described in detail as follows, but in addition to these describe in detail, this utility model can also have other embodiments.
The overall structure schematic diagram of the SVG reactive power compensator that this utility model provides is as shown in Figure 1.Described SVG reactive power compensator is connected with 10kV electrical network by current transformer, described SVG reactive power compensator is provided with the control casing of heat abstractor in including, it is arranged on the SVG controller in described control chamber body, IGBT power compensation module, Reactor banks and vacuum circuit breaker, and is located at the external data acquisition unit of described control chamber and current transformer;The input of described data acquisition unit is connected with described 10kV electrical network, and its outfan is connected with the input of described SVG controller, and the outfan of described SVG controller is connected with the input of described IGBT power compensation module;The outfan of described IGBT power compensation module is sequentially connected in series Reactor banks and is connected with primary side input with described current transformer after vacuum circuit breaker, and the secondary side outfan of described current transformer is connected with 10kV electrical network.
The structure of described data acquisition unit is as shown in Figure 2: include A phase current sensor CT1, A phase voltage transformer PT1, B phase current sensor CT2, B phase voltage transformer PT2, C phase current sensor CT3 and C phase voltage transformer PT3;Described A phase current sensor CT1 is connected with A phase cable and the described SVG controller of described 10kV electrical network respectively with described A phase voltage transformer PT1;Described B phase current sensor CT2 is connected with B phase cable and the described SVG controller of described 10kV electrical network respectively with described B phase voltage transformer PT2;Described C phase current sensor CT3 is connected with C phase cable and the described SVG controller of described 10kV electrical network respectively with described C phase voltage transformer PT3.
The structure of described SVG controller is as shown in Figures 2 and 3: include signal conditioning circuit, digital signal processor DSP, field programmable gate array FPGA and the CPLD interface processing unit being sequentially connected with;Described signal conditioning circuit includes six signal conditioning circuits being connected respectively with described A phase current sensor CT1, described A phase voltage transformer PT1, described B phase current sensor CT2, described B phase voltage transformer PT2, described C phase current sensor CT3 and described C phase voltage transformer PT3;Described CPLD interface processing unit is connected with the input of IGBT power compensation module.
The structure of described IGBT power compensation module is as shown in Figure 1: include an IGBT power compensation module and the 2nd IGBT power compensation module;A described IGBT power compensation module and described 2nd IGBT power compensation module all include that six inverse parallels have the insulated gate bipolar transistor IGBT of diode;Each two insulated gate bipolar transistor IGBT one single-phase brachium pontis of composition;Two ends with two other single-phase brachium pontis respectively, the two ends of each single-phase brachium pontis be connected after Shunt Capacitor Unit;The grid of each insulated gate bipolar transistor IGBT all pwm signal output interfaces with described CPLD interface processing unit are connected;In each single-phase brachium pontis, the middle end that connects of two insulated gate bipolar transistors is connected with Reactor banks.
Go back between described Reactor banks and described vacuum circuit breaker and be connected to spark gap.
Described digital signal processor DSP is connected by the touch screen that RS485 cable is external with control chamber;Touch screen 12 as the man machine interface of whole compensation system, can show parameter and the overall control situation of the system of compensation that SVG controller obtained by mutual inductor sample in real time.
Described digital signal processor DSP is also associated with remote control, and described remote control includes the sender unit being located in control chamber body and the signal receiving device being located at outside casing;Described sender unit is connected by order wire with described digital signal processor DSP, and with described signal receiving device wireless connections.SVG reactive power compensator remotely can be managed by remote control, the information such as the current/voltage in electrical network remotely can also be monitored simultaneously, when breaking down, carry out remote alarms;Make system more safe and reliable.
Described heat abstractor includes master controller, temperature sensor, cooling fan and radiator;Described IGBT power compensation module is arranged on described radiator, and described master controller connects described temperature sensor and described cooling fan respectively;Described cooling fan mouth is directed at described radiator;Using air draught radiating mode, IGBT power compensation module is arranged on the place of radiator air inlet 50mm, good heat dissipation effect, and assembling is easy to maintenance.
Box interior temperature can be monitored by heat abstractor by temperature sensor, and controls the power of cooling fan according to box interior temperature, so that spin manifold temperature maintains under optimum temperature.
Described control casing includes rectangular casing and the chamber door being arranged on described casing, and described chamber door is rotationally connected by hinge with described casing, is easy to open or closes casing;Described casing side is provided with thermovent and outgoing line busbar, and described thermovent is louvered thermovent, can strengthen the radiating rate in casing;Described outgoing line busbar is for controlling the connection between box house device and external devices;Its top board is provided with illuminating lamp, conveniently overhauls equipment in dark surrounds.
Radiator is installed on described box inside base plate, biside plate is respectively mounted Capacitor banks;It is connected by laminated bus bar between IGBT power compensation module and Capacitor banks on radiator;SVG controller, Reactor banks and vacuum circuit breaker are separately positioned on the top of described IGBT power compensation module;Connection and reasonable arrangement is attractive in appearance, and volume is little.
The operation principle of the SVG reactive power compensator that this utility model provides is:
Voltage transformer pt 1, PT2, PT3 are used for gathering each phase voltage signal in 10kV network system, and the phase voltage collected is transferred to voltage signal conditioning circuit;Current sensor CT1, CT2, CT3 are for gathering each phase current signal in 10kV network system, and by the current signal transfer that collects to current signal conditioning circuit;
After the voltage signal that voltage transformer and current sensor collect being converted to digital signal processor DSP acceptable 0~3V voltage signal by corresponding signal conditioning circuit, output is to digital signal processor DSP;
DSP carries out the calculation process of SVG Arithmetic for Reactive Power Compensation and generates three phase sine first-harmonic after being processed by the analog data acquisitions such as the voltage x current in 10kV network system, data pass through parallel bus transfers to FPGA field programmable gate array, and set low I/O port line notice FPGA field programmable gate array and fetch data, dual port RAM data Caching Mechanism is have employed inside FPGA field programmable gate array, when control system receive DSP set low status signal after just go data buffer zone read data, the three-phase first-harmonic data obtained after data are carried out Error detection process and internal triangular wave compare generation multi-channel PWM ripple signal, the PWM ripple signal generated is transferred to CPLD interface processing unit by data flat cable;CPLD interface processing unit has been internally integrated light-coupled isolation and has driven element;PWM ripple signal is carried out preventing straight-through process and add dead band processing light-coupled isolation driving element being then output to its inside by CPLD interface processing unit, and light-coupled isolation drives element to be driven IGBT power compensation module;IGBT power compensation module is made to export corresponding compensation dosage;
The compensation dosage of IGBT power compensation module output, after Reactor banks filters harmonic components therein, is coupled by current transformer, current transformer output reactive-load compensation amount directly act on 10kV network system and carry out reactive-load compensation, improve power grid quality.
Vacuum circuit breaker between Reactor banks and current transformer plays protection and the effect of control and compensation main line.Between Reactor banks and vacuum circuit breaker and the spark gap that connects plays release thunder and lightning and discharges the effect of power system operation overvoltage energy.Capacitor banks is made up of direct current capacitors, constitutes the important component part of SVG reactive power compensator.
Finally should be noted that: above example is only in order to illustrate that the technical solution of the utility model is not intended to limit; although this utility model being described in detail with reference to above-described embodiment; detailed description of the invention of the present utility model still can be modified or equivalent by those of ordinary skill in the field; these are without departing from any amendment of this utility model spirit and scope or equivalent, all within the claims that application is awaited the reply.

Claims (10)

1. the SVG reactive power compensator improved, described SVG reactive power compensator is connected with 10kV electrical network by current transformer, it is characterized in that: described SVG reactive power compensator is provided with the control casing of heat abstractor in including, it is arranged on the SVG controller in described control chamber body, IGBT power compensation module, Reactor banks and vacuum circuit breaker, and is located at the external data acquisition unit of described control chamber and current transformer;The input of described data acquisition unit is connected with described 10kV electrical network, and its outfan is connected with the input of described SVG controller, and the outfan of described SVG controller is connected with the input of described IGBT power compensation module;The outfan of described IGBT power compensation module is sequentially connected in series Reactor banks and is connected with primary side input with described current transformer after vacuum circuit breaker, and the secondary side outfan of described current transformer is connected with 10kV electrical network.
The SVG reactive power compensator of a kind of improvement the most according to claim 1, it is characterised in that:
Described data acquisition unit includes A phase current sensor CT1, A phase voltage transformer PT1, B phase current sensor CT2, B phase voltage transformer PT2, C phase current sensor CT3 and C phase voltage transformer PT3;Described A phase current sensor CT1 is connected with A phase cable and the described SVG controller of described 10kV electrical network respectively with described A phase voltage transformer PT1;Described B phase current sensor CT2 is connected with B phase cable and the described SVG controller of described 10kV electrical network respectively with described B phase voltage transformer PT2;Described C phase current sensor CT3 is connected with C phase cable and the described SVG controller of described 10kV electrical network respectively with described C phase voltage transformer PT3.
The SVG reactive power compensator of a kind of improvement the most according to claim 2, it is characterised in that:
Described SVG controller includes signal conditioning circuit, digital signal processor DSP, field programmable gate array FPGA and the CPLD interface processing unit being sequentially connected with;Described signal conditioning circuit includes the signal conditioning circuit being connected respectively with described A phase current sensor CT1, described A phase voltage transformer PT1, described B phase current sensor CT2, described B phase voltage transformer PT2, described C phase current sensor CT3 and described C phase voltage transformer PT3;Described CPLD interface processing unit is connected with the input of IGBT power compensation module.
The SVG reactive power compensator of a kind of improvement the most according to claim 3, it is characterised in that:
Described IGBT power compensation module includes an IGBT power compensation module and the 2nd IGBT power compensation module;A described IGBT power compensation module and described 2nd IGBT power compensation module all include that six inverse parallels have the insulated gate bipolar transistor IGBT of diode;Each two insulated gate bipolar transistor IGBT one single-phase brachium pontis of composition;Two ends with two other single-phase brachium pontis respectively, the two ends of each single-phase brachium pontis be connected after Shunt Capacitor Unit;The grid of each insulated gate bipolar transistor IGBT all pwm signal output interfaces with described CPLD interface processing unit are connected;In each single-phase brachium pontis, the middle end that connects of two insulated gate bipolar transistors is connected with Reactor banks.
The SVG reactive power compensator of a kind of improvement the most according to claim 1, it is characterised in that:
Go back between described Reactor banks and described vacuum circuit breaker and be connected to spark gap.
The SVG reactive power compensator of a kind of improvement the most according to claim 3, it is characterised in that:
Described digital signal processor DSP is connected by the touch screen that RS485 cable is external with control chamber.
The SVG reactive power compensator of a kind of improvement the most according to claim 3, it is characterised in that:
Described digital signal processor DSP is also associated with remote control, and described remote control includes the sender unit being located in control chamber body and the signal receiving device being located at outside casing;Described sender unit is connected by order wire with described digital signal processor DSP, and with described signal receiving device wireless connections.
The SVG reactive power compensator of a kind of improvement the most according to claim 1, it is characterised in that:
Described heat abstractor includes master controller, temperature sensor, cooling fan and radiator;Described IGBT power compensation module is arranged on described radiator, and described master controller connects described temperature sensor and described cooling fan respectively;Described cooling fan mouth is directed at described radiator.
The SVG reactive power compensator of a kind of improvement the most according to claim 1, it is characterised in that:
Described control casing includes rectangular casing and the chamber door being arranged on described casing, and described chamber door is rotationally connected by hinge with described casing, and described casing side is provided with thermovent and outgoing line busbar, and its top board is provided with illuminating lamp;Described thermovent is louvered thermovent.
The SVG reactive power compensator of a kind of improvement the most according to claim 9, it is characterised in that:
Radiator is installed on described box inside base plate, biside plate is respectively mounted Capacitor banks;It is connected by laminated bus bar between IGBT power compensation module and Capacitor banks on radiator;SVG controller, Reactor banks and vacuum circuit breaker are separately positioned on the top of described IGBT power compensation module.
CN201521065685.4U 2015-12-18 2015-12-18 Modified SVG reactive power compensator Active CN205453135U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106786659A (en) * 2017-01-24 2017-05-31 国网福建省电力有限公司 A kind of reactive power compensator and method of work suitable for preassembled transformer station

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106786659A (en) * 2017-01-24 2017-05-31 国网福建省电力有限公司 A kind of reactive power compensator and method of work suitable for preassembled transformer station

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Inventor after: Liu Xinyu

Inventor after: Liu Biao

Inventor after: Yu Yisan

Inventor after: Yu Ying

Inventor after: Li Wufeng

Inventor after: Deng Zeguan

Inventor after: Wang Xianli

Inventor after: Ju Dengfeng

Inventor after: Zhang Qun

Inventor after: Di Qian

Inventor after: Xue Li

Inventor after: Chen Xing

Inventor after: Wu Shangjie

Inventor after: Zhang Bingjing

Inventor after: Lu Dongjie

Inventor after: Huang Mengxin

Inventor after: Liu Yan

Inventor after: Lei Chenhao

Inventor after: Zhang Yongxi

Inventor after: Li Qiang

Inventor after: Han Wengang

Inventor after: Wang Zhiyuan

Inventor after: Yang Zhushi

Inventor before: Li Yongdong

Inventor before: Chen Xing

Inventor before: Wang Zhiyuan

Inventor before: Chen Zhen

Inventor before: Liu Biao

Inventor before: Liu Yan

Inventor before: Chen Jiang

Inventor before: Wu Yulan

Inventor before: Li Xinyu

Inventor before: Zhang Yanhui

Inventor before: Yu Ying

Inventor before: Sun Wei

Inventor before: Li Wufeng

Inventor before: Deng Zeguan

Inventor before: Wang Xianli

Inventor before: Ju Dengfeng

Inventor before: Zhang Qun

Inventor before: Di Qian

Inventor before: Xue Li

Inventor before: Wu Shangjie

Inventor before: Zhang Bingjing

Inventor before: Lu Dongjie

Inventor before: Zhou Xibin

Inventor before: Huang Mengxin

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Effective date of registration: 20170214

Address after: 830011 Beijing South Road, Urumqi, No. 1, No.

Patentee after: Urumqi Power Supply Company of State Grid Xinjiang Electric Power Company

Patentee after: State Grid Corporation of China

Patentee after: Beijing State Grid Puruite High-Pressure Power Transmission Technology Co.,Ltd.

Address before: 830011 Beijing South Road, Urumqi, No. 1, No.

Patentee before: Urumqi Power Supply Company of State Grid Xinjiang Electric Power Company

Patentee before: Beijing State Grid Puruite High-Pressure Power Transmission Technology Co.,Ltd.