safety voltage

基本解释

Safety voltage, use is convenience, Average life is 1000h.
安全電壓，使用方便，平均壽命1000小時。
When carbon black content was 3 wt% , a heating temperature at safety voltage of 250℃ was obtained.
儅炭黑含量爲3％時，材料在安全電壓下發熱溫度達到250℃；
Power systems may keep the safety voltage level even near its limit, but that is very danger since maybe it is near the voltage collapse point.
本文主張爲保証電壓安全，電力系統在任何運行狀態都應保持相應的電壓安全裕度。