In order to improve the control precision, MOSFET was applied in the switch-on-off operation circuit.
采用场效应管设计接触器分合闸机构,提高接触器线圈激磁能量控制的精度。
参考来源 - 智能混合式交流接触器的设计与研究·2,447,543篇论文数据，部分数据来源于NoteExpress
并通过理论分析得出了断路器分合闸线圈电流波形的基本特征。
The basic features of the coil current waveform of the circuit breaker are also obtained by theoretical analysis.
目前广泛采用的选相分合闸机构，大多由电子线路实现上述功能。
Now these functions are realized by electronic circuit and got used widely in phase selection devices.
机构中的辅助开关与机构主输出轴相连，在分合闸位置时发出相应的分合信号。
The auxiliary switches in mechanism connect with main output axle and give the relative signals in the open and close positions.
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