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author:

王榕生 (王榕生.) [1]

Indexed by:

CQVIP

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。

Keyword:

MCU控制 交流电动机 关断电压du/dt 晶闸管 混合触点

Community:

  • [ 1 ] 福州大学电气工程与自动化学院,福建福州350002

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Source :

机电技术

ISSN: 1672-4801

Year: 2008

Issue: 4

Volume: 31

Page: 53-55

Cited Count:

WoS CC 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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