Intelligent phase selection switch controller
A technology of switch controller and phase selection switch, which is applied in AC network to reduce harmonics/ripples, reactive power compensation, harmonic reduction devices, etc., and can solve the problems of easy arc generation, large inrush current, and large zero-point switching error, etc. problems, to achieve the effect of reducing harmonic pollution
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[0027] The present invention will be further described below in conjunction with accompanying drawing:
[0028] Such as figure 1 As shown, the intelligent phase selection switch controller includes a microprocessor, power supply circuit, display circuit, fault alarm circuit, voltage zero point capture signal acquisition and processing circuit, current zero point capture signal acquisition and processing circuit, voltage fault detection signal acquisition and processing circuit, current A fault detection signal acquisition and processing circuit, a magnetic latching relay drive circuit and a switch controller mode conversion circuit. The power supply circuit is a microprocessor, display circuit, fault alarm circuit, voltage zero point capture signal acquisition and processing circuit, current zero point capture signal acquisition and processing circuit, voltage fault detection signal acquisition and processing circuit, current fault detection signal acquisition and processing c...
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