保定电气厂家价格-交流无间隙金属氧化物避雷器

A．氧化物避雷器无串联间隙，动作快，伏安特性平坦，残压低，不产生截波。

The A. oxide arrester has no series gap, fast action, flat volt ampere characteristics, low residual pressure and no cut wave.

B．金属氧化物阀片允许通流能力大、体积小、质量小，且结构简单。

B. metal oxide valve allows large flow capacity, small volume, small mass, and simple structure.

C．续流极小。

C. continuous flow is very small.

D．伏安特性对称，对正极性，负极性过电压保护水平相同。

The D. volt - ampere characteristic is symmetrical, and the protection level of positive and negative overvoltage is the same.