Drive control device of alternating-current motor
作者： Mitsuru Tsukima , Hidetoshi Kitanaka
DOI:
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摘要: An AC motor drive control device including: an inverter INV, having a plurality of switching elements subjected to on-off control, for converting DC voltage with desired frequency 6; opening contactor MMK connected between the INV and operation beforehand detection unit 55 detecting prior contact or detach main contacts outputting signal; 10A 70 performing MMK, controlling based on signal.
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