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500kV circuit breaker high-voltage electrical test wiring device and use method thereof

A technology for testing wiring and high-voltage electricity, which is applied in the direction of circuit breaker testing, measuring devices, measuring device casings, etc. It can solve the problems of long test work time, high labor intensity, waste of manpower and time, etc., to prevent induced electrical damage , shorten the test time and improve the test efficiency

Pending Publication Date: 2021-08-31
GUIZHOU POWER GRID CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The technical problem to be solved by the present invention is to provide a 500kV circuit breaker high-voltage electrical test wiring device and its use method to solve the problems of frequent replacement of test wiring during the test process, high labor intensity, long test work time, and frequent operating personnel. Operating the grounding knife switch leads to waste of manpower and time, in order to achieve the purpose of reliable and rapid testing

Method used

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  • 500kV circuit breaker high-voltage electrical test wiring device and use method thereof
  • 500kV circuit breaker high-voltage electrical test wiring device and use method thereof
  • 500kV circuit breaker high-voltage electrical test wiring device and use method thereof

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Embodiment 1

[0033] Embodiment 1: as Figure 2-Figure 11 As shown, a 500kV circuit breaker high-voltage electrical test wiring device includes a switching device. The switching device is connected to the circuit breaker under test and the tester through the test line. The switching device includes a casing and a switching circuit installed on the casing, a test output port, The characteristic test input port and the dielectric loss test input port can meet the test connection switching of the dielectric loss and capacitance of the fracture equalizing capacitor, the time parameter of the circuit breaker, etc. The test output port, the characteristic test input port and the dielectric loss test input port are connected to switch circuit.

[0034] Preferably, the above switching circuit includes a switch S1, a switch S2 and a switch S3, the switch S1 and the switch S3 are single-position switches, the switch S2 is a double-position switch, the switch S1, the switch S2 and the switch The swit...

Embodiment 2

[0036] Embodiment 2: The method of using a 500kV circuit breaker high-voltage electrical test wiring device is as follows: according to the test sequence of the circuit breaker test items, first conduct the test of the dielectric loss and capacitance of the fracture equalizing capacitor, and then conduct the circuit breaker time parameter characteristic test . The following is a switching instruction for testing with switching devices according to this test sequence: Before the test, the circuit breaker is in the open position, the fractures D1 and D2 are open, and the grounding switches G1 and G2 on both sides of the circuit breaker are closed and grounded. First connect the test lines L1~L3 to the test output ports (CX1, HV, CX2) of the switching device respectively, and then connect the other ends of the test lines L1~L3 to the voltage equalizing capacitors (C1, C2) of the circuit breaker respectively. In positions a, b, and c, ground the "ground" terminal on the switching ...

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Abstract

The invention discloses a 500kV circuit breaker high-voltage electrical test wiring device and a use method thereof. The wiring device comprises a switching device, the switching device is connected to a tested circuit breaker and a tester through test lines, and the switching device comprises a shell, and a switching loop, a test output port, a characteristic test input port and a dielectric loss test input port which are installed on the shell, wherein the test output port, the characteristic test input port and the dielectric loss test input port are connected to the switching loop. According to the invention, through the switching device, the test line is connected to the tested circuit breaker at one time, and through switching of the switching device, wiring and grounding of tests of dielectric loss and capacitance of a voltage-sharing capacitor at a fracture of the circuit breaker, time parameters of the circuit breaker and the like are rapidly completed. The device is free of frequent climbing to change wires, prevents induced electricity damage, shortens test time, and improves test efficiency.

Description

technical field [0001] The invention belongs to the technical field of circuit breaker high-voltage electrical test wiring equipment, and relates to a 500kV circuit breaker high-voltage electrical test wiring device and a use method thereof. Background technique [0002] The 500kV circuit breaker is a three-phase split-phase double-break, each phase break is connected in parallel with a voltage equalizing capacitor, and the installation distance of the equipment is large, the height is high, and the induction current is strong. At present, when we test the 500kV circuit breaker, according to the requirements of the pre-test regulations, we need to conduct tests such as the dielectric loss and capacitance of the fracture equalizing capacitor, and the time parameters of the circuit breaker. The following problems existed during the test: [0003] 1. When conducting the dielectric loss and capacitance test of the 500kV circuit breaker fracture voltage equalizing capacitor, it ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/327G01R27/26G01R1/04
CPCG01R31/3274G01R27/2694G01R27/2605G01R1/0416
Inventor 史纯清石廷章罗家猛刘超黄俊澄张健华刘昌宏
Owner GUIZHOU POWER GRID CO LTD