hengfengyou substation-Hengfengyou (Qingdao) Substation Co., Ltd.

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

2022-11-01

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

2022-09-30

How to select switch cabinet?

The switch cabinet is mainly divided into fixed type and vehicle type, and its structure is divided into open type, semi closed type and closed type. In the aspect of application natural environment, there are indoor and

2022-09-28

Structure Design of On line Temperature Rise Detection Device for Ring Main Unit

The ring network cabinet is a standard three outlet cabinet, that is, a four unit ring network structure. The standard monitoring device monitors the temperature No. 13 and 12, and monitors the temperature rise at the con

2022-09-23

How to select high-voltage switchgear

High voltage switchgear refers to electrical products, high-voltage high-voltage disconnectors and grounding device power switches, high-voltage high-voltage load switches, high-voltage reclosers and sectionalizers, high-