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Chapter: High Voltage Engineering - High Voltage Testing of Electrical Power Apparatus

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Surge Arresters

A surge arrester is a protective equipment installed between communication equipment and coaxial cable connector or between two communication equipment‘s to protect communication equipment from damage caused by transient state voltage formed by lightning induction.

Surge Arresters

 


 

A surge arrester is a protective equipment installed between communication equipment and coaxial cable connector or between two communication equipment‘s to protect communication equipment from damage caused by transient state voltage formed by lightning induction. It adopts quarter-wave technology, is designed according to VSW theory and frequency spectrum of lightning wave. It has features of quick reaction, big current passing capacity, wide frequency band, low VSWR, low insertion loss, easy installation and free maintenance. It can be used to meet protection requirements of various communication equipment‘s and lightning sensitivity.

 

An electrical appliance used to protect electronic equipment against lightning overvoltage transients. It is usually connected to wires (power phase line, signal line, zero line) and ground between being protective devices in parallel, when the lightning over-voltage the value of the required actions voltage, arrester immediate to limit over-voltage amplitude lead to protection equipment and systems, enabling the system to work properly.

 

 

·        Low-voltage surge arrester Apply in Low-voltage distribution system, exchange of electrical appliances protector, low-voltage distribution transformer windings

 

·        Distribution arrester Apply in 3KV, 6KV, 10KV AC power distribution system to protect distribution transformers, cables and power station equipment

 

·        The station type of common valve arrester Used to protect the 3 ~ 220KV transformer station equipment and communication system

 

·        Magnetic blow valve station arrester Use to 35 ~ 500KV protect communication systems, transformers and other equipment

 

·        Protection of rotating machine using magnetic blow valve arrester Used to protect the AC generator and motor insulation

 

·        Line Magnetic blow valve arrester Used to protect 330KV and above communication system circuit equipment insulation

 

·        DC or blowing valve-type arrester Use to protect the DC system‘s insulation of electrical equipment

 

·        Neutral protection arrester Apply in motor or the transformer‘s neutral protection

 

·        Fiber-tube arrester Apply in the power station‘s wires and the weaknesses protection in the insulated.

 

·        Plug-in Signal Arrester Used to twisted-pair transmission line in order to protect communications and computer systems

 

·        High-frequency feeder arrester Used to protect the microwave, mobile base stations satellite receiver, etc.

 

·        Receptacle-type surge arrester Use to Protect the terminal Electronic equipment

 

·        Signal Arrester Apply in MODEM, DDN line, fax, phone, process control signal circuit etc.

 

·        Network arrester Apply in servers, workstations, interfaces etc.

 

·        Coaxial cable lightning arrester Used to the coaxial cable in order to protect the wireless transmission and receiving system 

 

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