Mailbox           OA office   Chinese  |  English

  • 1

    1

Contact Us

Address: Zhenlai County, Jilin Province Industrial Zone, Happy East 1999
Tel:0436-6987999

Mail:cl-dq@cl-dq.com

scan it
Follow us

Copyright 2017 All Rights Reserved.henglai Electric Technology    ICP18000198    Powered by 300.cn

>
>
>
What are the regular maintenance items for high vacuum circuit breakers?

News

What are the regular maintenance items for high vacuum circuit breakers?

Classification:
Industry news
Author:
Source:
Chenglai Electric Technology Co., Ltd.
Release time:
2018/01/31 11:13
(1) High-voltage vacuum circuit breaker operation detection Two manual disconnection operations are performed several times, the breaking state is correct, and the counter is in good action.
 
(2) The main contact confirms the spring state. Remove dust, old grease, and apply it evenly with new grease.
 
(3) The external fasteners are fastened. Clean pressed insulation and insulation.
 
(4) The connection between the operating mechanism and the control unit control circuit leads whether the connection between the bolt and the nut is loose. Check whether the connection between the shaft and the lock changes if the oil is dry. Add a small amount of oil.
 
(5) Check the operation of the visible auxiliary switch and the contact condition. If there is an abnormality, find out the cause, repair or replace it.
 
(6) Measurement of insulation resistance: The reference value of the insulation resistance of the main contact part to the ground is 500 MΩ or more.
Chenglai Electric Technology Co., Ltd.