One-step wiring device and method for testing 1000kV lightning arrester reference voltage and leakage current

Abstract

The invention discloses a one-step wiring device and a one-step wiring method for testing 1000kV lightning arrester reference voltage and leakage current. The device comprises an industrial personal computer, a communication module, a direct-current high-voltage generator, a positive and negative adjustable direct-current power supply, an ampere meter A1, an ampere meter A2 and a relay adapter board, wherein the industrial personal computer is connected with the direct-current high-voltage generator and the positive and negative adjustable direct-current power supply through the communication module to realize data communication, the direct-current high-voltage generator and the positive and negative adjustable direct-current power supply are respectively and serially connected with the ampere meters and then are connected with relays on the relay adapter board, and the relay adapter board is connected with a tested lightning arrester through a testing line. The method provided by the invention has the advantages that the wiring is convenient to perform, the testing items of all lightning arrester units can be completed through one-step wiring, the repetitive replacement of wires is avoided, the time of power outage is shortened, the time and the labor are saved and the application prospect is good.

Description

technical field [0001] The invention belongs to the technical field of electric power comprehensive measurement, and in particular relates to a primary wiring device and method for testing the reference voltage and leakage current of a 1000kV arrester. Background technique [0002] Surge arresters of 220kV and above are usually composed of single-phase multi-sections connected in series. The higher the voltage level, the more sections there are. 1000kV arresters are usually composed of 5-section units connected in series. In the power comprehensive measurement technology, the traditional test method of arrester DC reference voltage and leakage DC current test is carried out section by section. When measuring the surge arrester composed of multi-section units in series, it needs to be measured section by section, resulting in repeated wiring. Moreover, when measuring the arrester unit of the upper section, it is necessary to remove the lead wire once, resulting in long wirin...

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the problems in the prior art, the present invention provides a primary wiring device and method for testing the reference voltage and leakage current of a 1000kV arrester. The DC reference voltage and leakage current test of all arrester units can be completed in one connection, effectively solving the problem of Repeated wiring disconnection on site requires a lot of work, etc.

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