Knowledge

The composition of the switchgear

The switchgear shall meet the relevant requirements of the GB3906-1991 "3-35 kV AC Metal-enclosed Switchgear" standard. It is composed of a cabinet and a circuit breaker,

Safety measures for high and low voltage switchgear

The high and low voltage switchgear is operated on all or part of the electrified panels, and the maintenance equipment should be separated from the operating equipment with a cons

Specification for the use of switchgear

The high-voltage switch cabinet should be a metal-enclosed handcart structure. The protection level of the switch cabinet shell is IP2X. The width of the switch cabinet should meet

Knowledge of box type substation

Box-type substation is also called prefabricated substation or prefabricated substation. It is a kind of high-voltage switchgear, distribution transformer and low-voltage power dis

The role of high voltage switchgear

High voltage switchgear refers to the role of on-off, control or protection in the power generation, transmission, distribution, power conversion and consumption of the power syste

Basic performance of American box substation

1. Sealing performance The American box substation adopts a fully-sealed structure design and has good sealing performance, which can effectively prevent the entry of dangerous fac

Precautions when operating the switchgear

The switchgear consists of one or more low-voltage switchgear and related control, measurement, signal, protection, adjustment and other equipment. The manufacturer is responsible

Types of Ring Main Unit

Ring Main Unit is divided into vacuum ring main unit, SF6 ring main unit, gas generating ring main unit, gas generating ring main unit and compressed air ring main unit. Let's

The performance of the fully insulated RMU

The Ring Main Unit has the advantages of simple structure, small size, low price, improved power supply parameters and performance, and power supply safety. Introduce the advantage

Precautions for installation of low-voltage distribution box

The use of low-voltage distribution boxes not only facilitates daily management and maintenance, but also improves safety guarantees. Therefore, the use of distribution cabinets is

Precautions when installing the transformer

1. Operating conditions The construction drawings and technical data are complete and correct. The construction project has been basically completed, and the elevation, size, struc

Design of box-type substation

The box-type substation is mainly composed of multi-circuit high-voltage switch system, armored bus, integrated substation automation system, communication, remote control, meterin