基于不同故障性质下断开相端电压暂态特性的这一差别，本文提出了一种新的算法来区分故障性质。
Based on this different nature in recovery voltage, this paper presents a new algorithm to distinguish the properties of fault.
论述了主要硬件电路的设计方案，其中包括晶闸管两端电压检测、三相电源同步信号检测等。
The main control system includes the synchronous signal generating circuit, the testing circuit of thyristor cut-off voltage and the trigger circuit of the thyristors etc.
本文导出了同步电机三相对称负载突然拉开，电机端电压与励磁电流在瞬态过程中的解析表达式。
In this paper, the breaking transient formulas of terminal voltage and field current of synchronous machine with three phase symmetric load have been derived.
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