Phoenix lightning protector, also known as surge protector, is an electronic device that provides safety protection for various electronic devices, instruments, and communication lines. When a circuit or communication line suddenly generates a peak current or voltage due to external interference, Phoenix surge protection guides and shunts the current in a very short time, avoiding damage to other devices in the circuit due to surges.
Phoenix lightning protection has a large flow rate, extremely low residual pressure, and fast response time; The latest arc extinguishing technology is used to completely avoid fire; Temperature control protection circuit with built-in thermal protection; With power status indication, indicating the working status of surge protection; The structure is rigorous, and the work is stable and reliable.
Phoenix lightning protection sequence, Phoenix lightning protection can be divided into: protection clearance, the simplest form of lightning protection; The tubular lightning protector is also a protective gap, but it can extinguish the arc by itself after discharge; One of the valve-type lightning protection devices is to divide a single discharge gap into many short series gaps, and at the same time increase the nonlinear resistance to improve the protection performance; One of the magnetic blowing lightning protection devices is to use the magnetic blowing spark gap to improve the arc extinguishing ability, and also have the ability to limit the internal overvoltage; Zinc oxide lightning protector uses the ideal volt-ampere characteristics of zinc oxide valve plate (nonlinearity is extremely high, that is, it has low resistance characteristics at high current, limits the voltage on the lightning protector, and shows high resistance characteristics under normal power frequency voltage), collects the advantages of no gap, no freewheeling residual voltage, etc., and can also limit the internal overvoltage, which is widely used.
The function of Phoenix lightning protection device is to protect all kinds of electrical equipment in the power system from the impact of lightning overvoltage, operating overvoltage, power frequency transient overvoltage and damaged electrical equipment. The types of lightning protection devices mainly include protective clearance, valve-type lightning protection devices and zinc oxide lightning protection devices. The protection gap is mainly used for the limitation of atmospheric overvoltage, and is generally used for the protection of the entry line section of the distribution system, line and substation. Valve-type lightning protection device and zinc oxide lightning protection device are used for the protection of substations and power stations, the system below 500KV is mainly used to limit the atmospheric overvoltage, and the ultra-high voltage system is also used to limit the internal overvoltage or the backup protection of the internal overvoltage.
Phoenix lightning protection devices are substation protection devices that are not affected by lightning waves. When the lightning wave transmitted to the substation along the line exceeds the protection level of the lightning protection device, the lightning protection device is discharged first, and the lightning current is safely introduced into the earth through a good conductor, and the lightning voltage amplitude is limited below the lightning strike level of the protected device by using the grounding device to protect the electrical equipment.
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