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过电压分为外部过电压和内部过电压
过电压保护器有无抑制雷电过电压的作用就要看其设计参数了。避雷器不仅仅为雷电过电压的保护。避雷器在电力系统中的别称为过电压保护器,现在普遍使用的是氧化锌避雷器(MOA)。
Whether overvoltage protector can restrain lightning overvoltage depends on its design parameters. Lightning arrester is not only the protection of lightning overvoltage. Lightning arrester is also called overvoltage protector in power system. Now zinc oxide arrester (MOA) is widely used.
过电压保护器是在电压超过整定值后,保护器断开电源,起到保护作用。
Overvoltage protector is to disconnect the power supply after the voltage exceeds the set value, and play a protective role.
避雷器在遇雷击时,直接将高电压大电流导入接地系统,并断开电源以避免电源因雷电产生的高压影响。
When lightning strikes, the lightning arrester directly leads high voltage and high current into the grounding system, and disconnects the power supply to avoid the high voltage effect caused by lightning.
过电压分为外部过电压和内部过电压,内部过电压只要是操作过电压,过电压保护器不仅能解决外部雷击过电压也能解决内部过电压,而避雷器只能解决外部过电压。
Overvoltage can be divided into external overvoltage and internal overvoltage. As long as the internal overvoltage is switching overvoltage, the overvoltage protector can not only solve the external lightning overvoltage but also the internal overvoltage, while the arrester can only solve the external overvoltage.

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