Commutation failures are one of the common faults in HVDC systems. 換相失敗是直流系統的最常見故障之一。
It is highly non-uniform with the line end insulators bearing a higher voltage than that in an ac insulator string on dry condition. 乾燥情況下，直流系統絕緣子串電壓分佈更加不均勻，導線端絕緣子電壓更高。
滬公網安備 31011502000490號
電信業務許可證編號：滬B2-20190700
