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HOW TO JUDGE THE QUALITY OF HIGH-VOLTAGE POWER CABLES

Power cables have been widely used in many industries, and their use has brought us great help. Today, we will introduce the use effects of high-voltage power cables and how to choose high-quality products. ? The application of high-voltage power cables has become an indispensable part of our liv... Read More

DC CIRCUIT BREAKER AND FUSE WHICH IS THE ADVANCED PROTECTIVE EQUIPMENT

Many electricians think that fuses are outdated protection appliances, while DC circuit breakers are advanced protection appliances. Is this notion correct? It can be seen that the time-current characteristic change curve of the fuse is closer to the characteristic analysis curve of the thermal e... Read More

10KV COLUMN LOAD SWITCH

The load switch on the column has the capacity of carrying and breaking the rated current, but cannot break the short-circuit current. It is mainly used for line segmentation and fault isolation. (1) Gas-producing load switch. The gas-generating load switch uses the slit composed of solid gas-gen... Read More

TREATMENT METHOD FOR OIL LEAKAGE OF HIGH VOLTAGE BUSHING OF OIL-IMMERSED TRANSFORMER

Oil-immersed transformers occupy a large market share in my country, but the oil leakage problem of transformers is a big problem and hidden danger in the power industry, especially the oil leakage of transformer high-voltage bushings is a relatively common problem in the power industry, and For ... Read More

SELECTION OF HIGH VOLTAGE LOAD SWITCH

First of all, it is necessary to understand the use environment. The high-voltage load switch is an electrical appliance whose function is between the high-voltage circuit breaker and the high-voltage isolation switch. The high-voltage load switch is often used in series with the high-voltage fus... Read More

THE BASIC PRINCIPLE OF HIGH VOLTAGE LOAD SWITCH

The high-voltage load switch fully adopts the arc-extinguishing advantages of the vacuum switch tube and the corresponding operating mechanism. Since the high-voltage load switch does not have the ability to break short-circuit current, it is relatively simple in structure and suitable for occasi... Read More

THE DIFFERENCE BETWEEN A DISCONNECTING SWITCH AND A LOAD SWITCH

Many people do not understand the isolation switch and load switch, two kinds of switch is considered universal, can be replaced, but some occasions can not be replaced, Kesu electromechanical xiaobian tell you what is the difference between isolation switch and load switch. The isolation switch ... Read More

PRECAUTIONS FOR THE USE OF OIL-IMMERSED TEST TRANSFORMERS

The precautions for the use of oil-immersed test transformers are as follows: 1. Connect the working circuit according to the required test. The shell of the oil-immersed test transformer and the shell of the control box (table) must be grounded reliably. The X-end (high-voltage tail) of the high... Read More

WHY PUT PEBBLES UNDER THE TRANSFORMER? WHAT IS THE REASON?

Oil-immersed transformers use oil as the main insulating means of the transformer and rely on oil as the cooling medium (self-cooling, air-cooling, water-cooling). The main reasons for placing pebbles in the oil pit of the oil-immersed transformer are: fire prevention and oil drainage. This part ... Read More

CAN THE LOAD SWITCH DIRECTLY REPLACE THE CIRCUIT BREAKER?

The load switch can’t directly replace the circuit breaker, but it can be used in conjunction with the high-voltage fuse. The main function of the switch is to break the circuit current, such as normal working current, short-circuit current, overload current and so on. For disconnecting hig... Read More

The Function of Load Break Switch

The load switch is a switching appliance between the circuit breaker and the isolating switch. It has a simple arc extinguishing device, which can cut off the rated load current and a certain overload current, but cannot cut off the short-circuit current. The load switch is mainly used to break a... Read More

The Working Principle of High Voltage Load Switch

A high-voltage load switch is an electrical appliance used to control power transformers, and its function is between high-voltage circuit breakers and high-voltage isolation switches. It is often used in series with high-voltage fuses. The high-voltage load switch utilizes the current-limiting f... Read More
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