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Power cable frequency conversion resonance voltage-withstand test operation technology

A technology of frequency conversion resonance withstand voltage and test operation, which is applied in the directions of measuring electrical variables, measuring electricity, and testing dielectric strength, etc., can solve the problems of increasing test risk, lack of operation manual, test failure, etc., and achieve the goal of improving test safety Effect

Inactive Publication Date: 2017-07-04
STATE GRID TIANJIN ELECTRIC POWER +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] When carrying out the power cable frequency conversion resonance withstand voltage test, because there is no clear operation manual, there is no evidence to follow in the test process, which leads to the failure of the test and increases the risk of the test

Method used

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  • Power cable frequency conversion resonance voltage-withstand test operation technology

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Embodiment Construction

[0021] Below in conjunction with accompanying drawing and specific embodiment the present invention will be described in further detail:

[0022] see figure 1 , the power cable frequency conversion resonance withstand voltage test operation process of the present invention comprises the following steps:

[0023] 1) Test instruments and equipment preparation

[0024] Select the appropriate variable frequency power supply, excitation transformer, reactor, capacitive voltage divider, special connecting wire, discharge rod, grounding wire, safety belt, helmet, common tools for electricians, temporary safety barriers for testing, multimeter, temperature and humidity meter, three-phase Power supply spools, nameplates, etc., and check the validity period of the verification certificates of testing instruments, equipment and insulating tools;

[0025] 2) Explain to the test personnel the work content, live parts, on-site safety measures, and dangerous points of on-site operations, c...

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Abstract

The present invention discloses a power cable frequency conversion resonance voltage-withstand test operation technology. The technology comprises the following steps: 1) preparing a test apparatus and device; 2) explaining work content, electrification positions, field safety measures and field work danger points to testers, and clarifying personnel division and the test program; 3) performing preparation prior to the text; 4) performing wiring and test; 5) ending the test; and 6) performing analysis of a test result and filling out a report. The operation technology has guidance and can give workers clear test steps when the power cable frequency conversion resonance voltage-withstand test is performed so as to test safety.

Description

technical field [0001] The invention relates to a test operation process, in particular to a power cable frequency conversion resonance withstand voltage test operation process. Background technique [0002] When carrying out the power cable frequency conversion resonance withstand voltage test, because there is no clear operation manual, there is no evidence to follow in the test process, which leads to the failure of the test and increases the risk of the test. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an instructive operation process for power cable frequency conversion resonance withstand voltage test. [0004] In order to solve the above technical problems, the power cable frequency conversion resonance withstand voltage test operation process of the present invention includes the following steps: [0005] 1) Test instruments and equipment preparation [0006] Select the appropriate variable frequenc...

Claims

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Application Information

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IPC IPC(8): G01R31/12
CPCG01R31/1272
Inventor 张淑琴
Owner STATE GRID TIANJIN ELECTRIC POWER
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