A new equivalent circuit for the metaloxidevaristor (MOV) in a low current region and a method of predicting its dynamic parameters are presented.
提出了MOV的小电流区等值电路以及定量决定等值电路动态参数的方法。
2
Finally, a practical calculation example of clamping the voltage of low voltage power line under the surge and effusion surge current by metaloxidevaristor is given.
最后计算了在交流电源中用氧化锌压敏电阻对浪涌进行限幅和泻流的一个实例。
3
In order to suppress surges reliably and meet the requirements for EMC of the electronic devices, the metal-oxidevaristor and electromagnetic interference filter are combined to suppress surge.