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Surge Protector Function

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Surge Protector Function

Lightning discharge may occur between clouds or inside clouds, or between clouds and the ground; in addition, the internal surges caused by the use of many large-capacity electrical equipment have become the focus of attention for the impact on the power supply system (China's low-voltage power supply system standard: AC 50Hz 220/380V) and electrical equipment, as well as lightning and surge protection.
The lightning discharge between the cloud and the ground consists of one or several separate lightnings, each of which carries a number of currents with high amplitudes and short durations. A typical lightning discharge will include two or three lightnings, each separated by about one twentieth of a second. Most lightning currents fall between 10,000 and 100,000 amperes, and their duration is generally less than 100 microseconds.
The use of large-capacity equipment and frequency conversion equipment inside the power supply system has brought about increasingly serious internal surge problems. We attribute this to the influence of transient overvoltage (TVS). Any electrical equipment has an allowable range of power supply voltage. Sometimes even a very narrow overvoltage shock can cause damage to the power supply or all of the equipment. This is the destructive effect of transient overvoltage (TVS). Especially for some sensitive microelectronic devices, sometimes a small surge impact may cause fatal damage.

Surge Protector Function

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