Resistance current measurement of zinc oxide surgearrestor (MOA) under operating voltage possesses important significance of reflecting the operation state of MOA and whether it incurred damping.
在运行电压下测量氧化锌避雷器的阻性电流，对于反映MOA是否受潮和其运行的状态具有重要意义。
2
A surge protector or simple capacitor or varistor can protect against most overvoltage conditions, while a lightning arrestor protects against severe spikes.