Chroma 19501 Partial Discharge Test Guide–High Voltage Relay

PublishTime：2022-03-21

●Objective:
■High voltage relay (HV Relay) is broadly used in automatic circuit control functioning assafety protection or switching circuit. However, has the general user ever thought that the relay used for the switching circuit should beor must be in an isolated state? But then again, is the HV relay really completely isolated?
■There are many conditions causing the relay to fail. The common problems are poor withstand voltage of Contact to Coil, increased contact resistance of the reed switch, increased coil resistance, and glass tube dark crack on reed switch. Among them, the poor withstand voltage of Contact to Coil could endanger the user’s safety and seriously affect the low-voltage digital control circuit. It is particularly important to use the relay with safety protection. This document explains the precautions of partial discharge (PD) detection and withstand voltage detection for HV relays during testing and production inspection.

Brand of Product：	CHROMA
Part#：
Product Category：	High Voltage Relay More
Application：	[ automatic circuit control ] More
Data Type：	Application note & Design Guide More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：
Language：	English Chinese Chinese and English Japanese
Date of Creation：	FEBRUARY 2022
Version Number：
Data Encoding：
Data Size：	1 MB

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