Bus capacitor pre-charging circuit

The utility model discloses a bus capacitor pre-charging circuit. The circuit comprises a control unit, a logic unit, a first switch unit, a second switch unit, a third switch unit and a capacitor unit, the input end of the control unit is connected to a power supply; the first input end of the logi...

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Bibliographische Detailangaben
Hauptverfasser:	CAI BIXING, SHI JINDI, KWON SE-HO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	The utility model discloses a bus capacitor pre-charging circuit. The circuit comprises a control unit, a logic unit, a first switch unit, a second switch unit, a third switch unit and a capacitor unit, the input end of the control unit is connected to a power supply; the first input end of the logic unit is connected with the first output end of the control unit, and the second input end of the logic unit is connected with the second output end of the control unit; the control end of the first switch unit is connected with the output end of the logic unit; the control end of the second switch unit is connected with the second end of the first switch unit; the first end of the second switch unit is connected with the third output end of the control unit; the first input end of the third switch unit is connected with the second end of the second switch unit, the second input end of the third switch unit is connected with the power supply, and the output end of the third switch unit is connected with the bus ca