the paper suggests a new kind of method aiming to the improvement to the performance of arc extinction in control system of shaft hoist.
针对矿井提升机控制系统中的消弧性能改进问题提出一种新的方法。
it also indicates that the accuracy and reliability of time retardation for arc extinction can be increased by replacing traditional extinction relay with electron extinction circuit.
采用电子消弧电路取代传统的消弧继电器,提高了消弧延时的精确性和可靠性。
the mechanism of secondary arc extinction by high speed grounding switches (hsgs) is analyzed.