Hengfengyou substation news_Hengfengyou panel company news,_Electrical technology articles-Hengfengyou (Qingdao) Substation Co., Ltd.

2022-11-11

Reasons for local discharge of switching cabinets

In the switch cabinet insulation system, there are differences in the strength of the electric field in each part. Once the strength of the electric field in a certain area reaches its breakdown, the area will occur. The

2022-11-10

The difference between GIS switchgear and AIS switchgear

1、 What does GIS switchgear mean? The definition of GIS is: metal enclosed switchgear that uses all or part of the gas instead of the air under atmospheric pressure as the insulating medium, also known as gas filled swi

2022-11-10

What is the difference between incoming cabinet and outgoing cabinet?

High voltage switch cabinet is also called high voltage power supply cabinet, which includes high voltage outgoing cabinet, high voltage incoming cabinet, high voltage ring network cabinet, PT cabinet and metering cabinet

2022-11-04

How to maintain LV Switchgear

Maintenance method of low -voltage Switchgear: 1. Implement segmented maintenance, first maintain the security load segment. When maintaining a capacitor cabinet, first disconnect the total switch of the container, use mo

2022-11-01

How to determine whether the power distribution cabinet trips due to line leakage or electrical leaka

This paper introduces several methods to find the fault of leakage protector for reference. 1、 Patrol inspection method The patrol inspection method is a method for the responsible (on duty) electrician or staff to chec

2022-11-01

What ＂taboos＂ should be paid attention to when installing the power distribution cabinet and box

Some problems often occur in the power distribution cabinets and boxes in the machine room, and the root cause of most problems is improper operation during the installation process, which leads to frequent problems and s

2022-10-27

How to connect switches in low-voltage distribution cabinet correctly

Low voltage switch cabinet is generally composed of air switch, leakage protection or isolating switch, which is used to receive and distribute electric energy to avoid cutting off the power protection circuit in case of

2022-10-21

What are switchgear and ring main unit? What are the similarities and differences and connections between them? If you want to know the relationship between the switch cabinet and the ring network cabinet, start with the

2022-10-11

Safety requirements for high and low voltage complete equipment

In order to ensure the normal power supply of the electric field, we need to regularly check and maintain the high and low voltage complete equipment in our daily work, and make records so that we can analyze the operatio

2022-10-11

How to judge the quality of the power distribution cabinet?

1. Check whether the product is 3C certified and whether the appearance of the product is complete and damaged. 2. The product must have system diagram, schematic diagram, wiring diagram, certificate of conformity, produc