Method for testing humidity of high-voltage switch assembly on line

Method for testing humidity of high-voltage switch assembly on line

The invention relates to the technical field of power electronics, in particular to a method for testing humidity of a high-voltage switch assembly on line, comprising a humidity sensing module, a primary processing circuit, two groups of double-core shielded twisted pairs, a secondary processing ci...

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Hauptverfasser: SHI JINSHAN, LUO GUANGQIANG, ZENG XUEDONG, HUANG HAO
Format: Patent
Sprache:chi ; eng
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INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
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creator SHI JINSHAN
LUO GUANGQIANG
ZENG XUEDONG
HUANG HAO
description The invention relates to the technical field of power electronics, in particular to a method for testing humidity of a high-voltage switch assembly on line, comprising a humidity sensing module, a primary processing circuit, two groups of double-core shielded twisted pairs, a secondary processing circuit, an isolation processing circuit and a data collector which are connected in sequence, pre-stage processing circuits of a humidity sensor and a humidity sensor are arranged in a high-voltage-resistant insulating sheath, so that the high-voltage insulation problem of the humidity sensor working in a high-voltage environment is solved, a voltage signal reflecting humidity is converted into a current signal, and the current signal is transmitted to the humidity sensor. The problem of long-distance transmission is solved, and the anti-interference capability of the humidity measurement system working in a strong electromagnetic environment is enhanced by arranging a multi-stage filter circuit, so that the scheme
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
TESTING
title Method for testing humidity of high-voltage switch assembly on line
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