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Extra-high voltage potential transformer separated checking platform and mounting and checking method thereof

A technology of voltage transformer and transformer calibrator, which is applied in the direction of instruments, measuring devices, and measuring electrical variables, etc., which can solve the problems of large equipment volume and weight, difficult test, high test voltage, etc., and achieve high space utilization rate, The effect of convenient transportation and guaranteed safety

Active Publication Date: 2016-03-23
国网山东省电力公司营销服务中心(计量中心) +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] For the error calibration of 1000kV UHV voltage transformer, the test voltage is high, the test capacity is large, the volume and weight of the equipment are large, and the test is difficult

Method used

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  • Extra-high voltage potential transformer separated checking platform and mounting and checking method thereof
  • Extra-high voltage potential transformer separated checking platform and mounting and checking method thereof
  • Extra-high voltage potential transformer separated checking platform and mounting and checking method thereof

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Embodiment Construction

[0036] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0037] The UHV voltage transformer separate calibration platform includes a calibration platform 11, on which a voltage regulation control box 1 and an excitation transformer 2 are arranged, and a toolbox is provided on one side of the voltage regulation control box 1 , the transformer tester is located in the toolbox, and the toolbox is also provided with a voltage transformer load box, a control device, a test lead and a tool, and the remote control device and the lifting platform 8 are wired or wirelessly connected, and the movement of the elevator 10 Remotely controlled by remote control unit.

[0038] The calibration platform 11 is provided with a Z-shaped lifting platform 8. The lifting platform 8 includes an upper platform and a lower platform. Placed on the elevator 10 ...

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Abstract

The invention discloses an extra-high voltage potential transformer separated checking platform and a mounting and checking method thereof, wherein the mounting and checking method comprises the steps of hoisting a whole vehicle platform onto a vehicle through a traveling crane in a laboratory, if the traveling crane in the laboratory is small in load capacity, split type hoisting can be adopted, after the vehicle platform reaches a testing site, lifting an up-level platform of main equipment through an own mechanism of the vehicle platform to realize a test state, the whole platform is not needed to be unloaded on the testing site, a special fixed test car is not needed either, and only a common equipment transportation vehicle is needed; the wiring is simple, and the service efficiency, and working efficiency and safety of the vehicle on site are improved. The extra-high voltage potential transformer separated checking platform is high in integration level, and convenient to move and transport, remote wire control is adopted, the aims of being safe and efficient are realized, and the extra-high voltage potential transformer separated checking platform is very suitable for error checking of an 1000kV of extra-high voltage potential transformer on site .

Description

technical field [0001] The invention relates to a separate vehicle-mounted verification platform for UHV voltage transformers and an installation verification method thereof, belonging to the technical field of UHV voltage transformer testing. Background technique [0002] UHV voltage transformer is an indispensable item in the main equipment of AC UHV substation. It undertakes the important role of energy metering and voltage detection in the UHV AC system, and providing signals for the electromechanical protection of the power system. Its accuracy directly affects the fairness and justice of the trade settlement of power generation and power supply enterprises. The country compulsorily requires its on-site error verification in accordance with the JJG1021-2007 "Power Transformer" verification regulations. The voltage transformer is an installed device and fixed on site, so it can only be checked for errors on site, and the corresponding test equipment and instruments need...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R35/00G01R35/02
CPCG01R35/00G01R35/02
Inventor 孙军黄明杨剑张晓东曲效武徐灿郑磊岳巍王运全张仲耀谭业奎刘涛张长骁王春晖陈子鉴李骁王毓琦
Owner 国网山东省电力公司营销服务中心(计量中心)
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