Research on the Anti-Interference of Mine Soft-Start Controller

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Abstract:

According to QJR-400 mine explosion-proof and intrinsically safe AC motor soft-start controllers are subject to various interference, to analyze interference source, interference factors and its consequences, and to study on the those interferences that has taken measures. In the hardware design, to use photoelectric isolation, anti-interference regulated power supply and reasonable grounding and other measures, which can effectively avoid interference. In the software design, digital filtering program can effectively eliminate the interference of random signals and pulse signals. The experimental results show that these measures can effectively inhibition of external interference.

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493-496

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June 2013

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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