Improvement in emergent stop circuits for hydraulic relief and engine stoppage is introduced in the article, and reliability of the electric circuit is discussed.
本文介结了高空作业车液压卸荷和发动机熄火两种紧急停止电路的改进，讨论了电路的可靠性。
The control circuit after improvement can effectively enhance the operating reliability of the breaker.
改进后的储能电机控制回路可有效的提高断路器运行的可靠性。
On the other hand, the great improvement in HV circuit breaker quality brings about low malfunction rate, prolonged maintenance period and high reliability.
另一方面高压断路器的质量也有很大提高，故障率降低，检修周期延长，可靠性提高。
On the other hand, the great improvement in HV circuit breaker quality brings about low malfunction rate, prolonged maintenance period and high reliability.
另一方面高压断路器的质量也有很大提高，故障率降低，检修周期延长，可靠性提高。
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