????????????????????????????
????????????????????????:???????????????????????????????????
??????,?????????????????????????.??????????????I=2?FCU
????I??????(A)
?????:3.1415926....
????F:???,????50HZ??60HZ
????C:????(F)
????U:???(V)
????????,??????????????????????????????????
?????????????,???????900PF/10KV.???????220V.?????50HZ,???,?????????????:
????I=2*3.1415*50*900*10000/1000000000000=0.002827A
????????????????1000000000000????????1F=1000000000000PF,???????
????????,????????????????,?????????????????????,????????.??????????????220V,?????????0.622W.??С????????3W????????.????,????????????????,??????????????.
????admin ?????????2018-03-02
