故障突变量计算

12point滤序,需改为根据N自动确定滤序公式

设置故障突变量单相定值

设置故障突变量相间定值

设置故障突变量负序\零序电流定值-　Fault calculation　12point mutations order filter is required to determine the filter order based on the formula N　automatically set the amount of single-phase fault mutation set fault value　value　mutation set the amount of white mutant the amount of negative sequence fault \ zero sequence current value