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Abstract:
提出了混合触点控制交流电动机高频度正反转运行的新方案。主电路采用双向晶闸管(TRIAC)功率器件与继电器(或接触器)相结合,控制电路以MCU为核心,实现无弧分断负载,有效克服电弧对触点的危害,显著提高系统工作寿命。还给出了晶闸管关断的暂态过程仿真曲线,及最优缓冲电路参数下的晶闸管关断电压du/dt值。该方案对于控制交流电动机频繁正反转运行有显著优点。
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Source :
机电技术
ISSN: 1672-4801
Year: 2008
Issue: 4
Volume: 31
Page: 53-55
Cited Count:
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count: -1
30 Days PV: 4
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