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WHAT IS COLD SHRINK TUBE?

Cold-shrinkable sleeve products can provide a safe protection and give a sealed connection to the communication coaxial line. It is commonly used as a moisture-proof rubber seal at the junction of communication base stations, wireless communication towers and other exposed coaxial lines. The cold... Read More

SELECTION OF HEAT SHRINKABLE SLEEVES FOR INSULATION

Nowadays, many companies will consider the application of heat shrinkable sleeves as insulating waterproof sleeves? Whether the heat shrinkable sleeve is the same as the insulation involves many electronic component processing plants. As one of the key parameters of the heat shrinkable sleeve, th... Read More

WHAT IS THE DIFFERENCE BETWEEN OIL-IMMERSED TRANSFORMERS AND DRY-TYPE TRANSFORMERS?

Oil-immersed transformer is a new type of high-performance transformer. Oil is used as the main insulation method of the transformer. The main components are composed of iron core, winding, radiator, etc., and are widely used in the power industry. Dry-type transformer is a transformer whose iron... Read More

WHAT ARE THE FIRE PROTECTION MEASURES FOR POWER CABLES?

When a short circuit occurs or there is an open fire nearby, the commonly used XLPE power cables will be caused by flames, and the fire will be more serious, especially when multiple cables are laid in a concentrated manner. Therefore, it is very important to take reasonable fire protection measu... Read More

INTRODUCTION OF FUSES

Fuses are the simplest protective electrical appliances, which are used to protect electrical equipment from damage from overload and short-circuit current; choose different types of high-voltage fuses according to installation conditions and uses, such as outdoor drop type, indoor type, and high... Read More

HOW TO USE ZINC OXIDE ARRESTER TESTER?

In the long-term use of zinc oxide arresters, insulation aging often occurs. It may look normal on the outside, but the interior is not suitable for continuing to work. Therefore, it is necessary to check the insulation performance of zinc oxide arresters in time. Zinc oxide arrester tester is us... Read More

SEVEN FEATURES OF ZINC OXIDE ARRESTER

1. Flow capacity This is mainly reflected in the arrester’s ability to absorb various lightning overvoltages, power frequency transient overvoltages, and operating overvoltages. 2. Protection features Zinc oxide arrester is an electrical product used to protect various electrical equipment ... Read More

CHARACTERISTICS OF OIL-IMMERSED INSULATED POWER CABLES

Power cables are used to transmit and distribute high-power electrical energy. According to different insulating materials, they can be divided into oil-impregnated paper-insulated power cables, rubber-insulated power cables and PVC-insulated power cables. The most widely used in engineering is t... Read More

WHAT IS THE DIFFERENCE BETWEEN POWER CABLE AND OVERHEAD CABLE?

1. Different cables 1. Power cable Power cables are cables used to transmit and distribute electrical energy. Power cables are often used in urban underground power grids, power station lead-out lines, internal power supply in industrial and mining enterprises, and underwater transmission lines a... Read More

WHAT ARE THE WATERPROOF TREATMENT METHODS FOR CABLE CONNECTOR?

1. Cable connection method Power cord connectors are divided into “+ word connection method”, “- word connection method”, “T-word connection method” and so on. Seams should be tangled, smooth and unnecessary. Before the wire ends are disconnected, the clamp wir... Read More

WHAT IS THE ROLE OF THE ONLINE MONITORING SYSTEM FOR INSULATOR POLLUTION?

The pollution degree of an insulator refers to the pollution degree of a certain geographical area where the insulator is located. Line flash pollution will cause large-scale power outages and seriously affect the reliability of power supply. In order to prevent pollution flashover accidents, it ... Read More

TYPES OF INSULATORS

1. Suspension insulator It is widely used in the insulation and mechanical fixing of high-voltage overhead transmission lines and soft busbars in power generation and substations. Among the suspension insulators, it can be further divided into disc suspension insulators and rod suspension insulat... Read More
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