Analyzes the characteristics of the busbar fault of the one and a half breaker connection, sums up corresponding treatment measures.

分析了一台半断路器接线的母线故障的特点，总结了相应的处理要点。

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And the voltage drop of medium voltage busbar also maybe not satisfies the requirement of biggest motor start-up.

同时，母线电压跌落也可能不能满足电动机起动要求。

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