摘要
自激振荡是高压直流开断的重要方式。本文对高压直流断路器的自激振荡开断过程进行数学分析,推导出产生自激振荡的临界时间常数,并用电弧的伏安特性与数学模型进行比较,得到了直流断路器的模型参数,讨论了自激振荡回路各元件对开断过程的影响,为大电流断路器的设计提供了依据。
The self-excited oscillation is one of the important methods which canbe used to interrupt DC.An investigation on the self-excited oscillation andinterrupted process of HVDC circuit are conducted.The critical conditionsand calculating formulae of the self-excited oscillation in passive commutation circuit are obtained.In this paper,the mathematical mode of HVDCbreaker is established,the influnce of parameters of passive commutatingcircuit on interrupting process has been discussed.It will be useful indesigning 500kV HVDC circuit breaker.
出处
《电工电能新技术》
CSCD
北大核心
1992年第3期43-50,共8页
Advanced Technology of Electrical Engineering and Energy
基金
国家自然科学基金
