详细分析了交流接触器在不同使用条件下的闭合与分断时触点两端电压与回路电流情况，并研究了AC1～AC4工作制下的控制时序。
The conditions of voltage between contactors and current in main circuit under different using types are analyzed in detail, then designed the control sequences with working mode AC1-AC4.
应用自行设计的实验模型，在室温条件下，并在电阻性电路和电感性电路中，测量了金合金触点的电弧电压和电弧电流波形；
The experimental model designed was used to measure arc voltage and current waveforms of alloyed contact in resistive load circuit and inductive load circuit on the condition of room temperature;
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