1·This paper presents a new method for overvoltage calculation of power systems equipped with zinc oxide surge arrester.
本文给出装有氧化锌避雷器系统的过电压的一种新的计算方法。
2·By using this method, overvoltage can be successfully calculated for zinc oxide surge arresters with arbitrarily specified characteristics and installed in any type of power system.
利用这种方法,对任意特性的氧化锌避雷器装入任何系统,都可以成功地进行过电压数值计算。
3·A new electrode and metal oxide surge arrester (MOA) with series air gap is developed, the gap is a pure air one and is composed by high voltage piercing electrode and MOA in itself.
研制了一种由高压穿刺电极和避雷器本体构成的纯空气间隙金属氧化物避雷器。
4·As the main appliance for overvoltage protection in electric system, the characteristic of Metal Oxide Surge Arresters (MOA) is decided by the unit residual voltage of non linear resistance.
金属氧化物避雷器作为电力系统过电压保护的主要电器,其保护特性非线性电阻片的残压决定。
5·Resistance current measurement of zinc oxide surge arrestor (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。
6·Finally, a practical calculation example of clamping the voltage of low voltage power line under the surge and effusion surge current by metal oxide varistor 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。
7·In order to suppress surges reliably and meet the requirements for EMC of the electronic devices, the metal-oxide varistor and electromagnetic interference filter are combined to suppress surge.
为了进行可靠的浪涌保护以及满足电磁兼容的要求,将压敏电阻与电磁干扰滤波器结合起来进行浪涌抑制。