Three-phase AC-DC-AC converter driving control circuit
The invention relates to the technical field of control, discloses a three-phase AC-DC-AC converter drive control circuit, and is used for solving the problems of insufficient sampling precision, weak anti-interference capability and insufficient universality of the existing drive control circuit. T...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention relates to the technical field of control, discloses a three-phase AC-DC-AC converter drive control circuit, and is used for solving the problems of insufficient sampling precision, weak anti-interference capability and insufficient universality of the existing drive control circuit. The device specifically comprises a power supply interface, a current Hall acquisition circuit, a modulation driver, a three-phase voltage acquisition circuit, an isolation power supply of the three-phase voltage acquisition circuit, a DC voltage acquisition circuit, an operation state indicating lamp, an IGBT gate pole signal circuit interface, an IGBT gate pole signal circuit, a temperature acquisition circuit, a communication circuit, a dry contact output relay and a relay output circuit. A data processor, a switch state feedback circuit, a variable data export circuit and a grounding terminal; according to the invention, converter driving control is carried out based on the IGBT gate signal circuit, the working |
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