Three-phase three-wire system power supply voltage detection circuit and detection device
The utility model discloses a three-phase three-wire system power supply voltage detection circuit and a detection device. The three-phase three-wire system power supply voltage detection circuit comprises an AC voltage input module, a voltage and current conversion module, a current conversion modu...
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| Hauptverfasser: | , , , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The utility model discloses a three-phase three-wire system power supply voltage detection circuit and a detection device. The three-phase three-wire system power supply voltage detection circuit comprises an AC voltage input module, a voltage and current conversion module, a current conversion module, a current and voltage conversion module, a filtering module and a sampling module. The AC voltage input module is electrically connected with the voltage and current conversion module, the current conversion module is electrically connected with the voltage and current conversion module, the current and voltage conversion module is electrically connected with the current conversion module, the filtering module is electrically connected with the current and voltage conversion module, and the filtering module is electrically connected with the voltage and current conversion module. The sampling module is electrically connected with the current conversion module, the current and voltage conversion module and the s |
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