This paper compares the commutation failure different results caused by AC system fault and missing pulse in the condition of prediction extinguish angle in ABB HVDC control and protection system.是什么意思_This paper compares the commutation failure different results caused by AC system fault and missing pulse in the condition of prediction extinguish angle in ABB HVDC control and protection system.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句