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Summary of Basic Knowledge of Dry-type Transformers

Dry-type transformers are widely used in local lighting, high-rise buildings, airports, terminal CNC machinery equipment and other places. Simply put, dry-type transformers refer to transformers whose cores and windings are not immersed in insulating oil. Cooling methods are divided into natural ... Read More

Precautions for Using High-voltage Switchgear

Because the switchgear is live, it is very dangerous. If you don’t pay attention when using it, it will make the machine unable to work normally, and it will cause electric shock, which will affect your life. Therefore, when using high-voltage switchgear, you need to pay special attention t... Read More

How to Install and Operate Dropout Fuse Cutout

1/6 Operation method The installation of drop-out fuse should meet the following requirements Before installation, check to confirm the gap between the melt tube and the insulating support. The matching size meets the requirements of the instruction manual to ensure sufficient Enough contact pres... Read More

Operation of Dropout Fuse Cutout

Safety preparation: When pulling out the drop type fuse, the operator must use the insulation rod with suitable voltage level and passed the test, wear insulation shoes, insulation gloves, insulation cap and goggles, or stand on a dry wooden platform, and be supervised to protect personal safety.... Read More

What is the difference between high voltage circuit breaker and isolating switch?

High voltage circuit breaker (or high voltage switch) is the main power control equipment of the substation, with arc extinguishing characteristics, when the normal operation of the system, it can cut off and through the line and various electrical equipment of no load and load current;When the f... Read More

The difference between switch cabinet, inflatable cabinet and solid cabinet

Ring network cabinet: also known as HXGN-12, XGN15-12 type high voltage switchgear.Originally refers to the switch cabinet used in the ring distribution network, because of its simple structure, commonly used load switch and fuse combination, such switch batch ring network cabinet. 1, the ring ne... Read More

Brief Introduction of Switchgear

Switchgear is a kind of electrical equipment, the outside of the switchgear first enters the main control switch in the cabinet, and then enters the sub-control switch, and each sub-circuit is set according to its needs. Such as instrument, automatic control, motor magnetic switch, all kinds of ... Read More

The Overall Structure of the Switchgear

The Overall Structure of the Switchgear (Take the center-mounted vacuum circuit breaker cabinet as an example) Taking JYN2-10(Z) high voltage switchgear as an example, its structure can be divided into two parts: cabinet and hand car.Handcar for circuit breaker handcar, the main electrical compon... Read More

Knowledge of high-voltage switchgear, power outage operation and fault diagnosis treatment methods

High-voltage switchgear refers to electrical products used for on-off, control or protection in power generation, transmission, distribution, power conversion and consumption of the power system. The voltage level is between 3.6kV and 550kV. It mainly includes high-voltage circuit breakers and hi... Read More

Basic Knowledge of High Voltage Switchgear

High-voltage switch cabinets are widely used in power distribution systems for receiving and distributing electrical energy. Part of the power equipment or lines can be put into or out of operation according to the operation of the power grid, and the faulted part can be quickly removed from the ... Read More

Characteristics and Application of Dry Type Transformer

At present, China’s dry power transformers are mostly three-phase solid forming SC series, such as: SCB9 series three-phase winding transformer, SCB10 series three-phase foil transformer SCB9 series three-phase foil transformer.Its voltage level is generally in the range of 6-35kV, the maxi... Read More

Introduction of different types of cable accessories

1. Heat shrinkable cable accessories Heat shrinkable cable accessories, commonly known as heat shrinkable cable heads, are the most common accessories in power transportation. They are generally used on the terminals of high and low voltage cross-linked cables or oil-immersed cables. Compared wit... Read More
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