POWER SUPPLY CIRCUIT, VEHICLE HAVING POWER SUPPLY CIRCUIT, AND POWER SUPPLY METHOD

PROBLEM TO BE SOLVED: To provide a technique for suppressing an increase in the number of components related to control when supplying power from three-phase alternating current to DC loads and controlling the DC loads on the basis of a binary status signal.SOLUTION: A power supply circuit includes:...

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Bibliographische Detailangaben
1. Verfasser:	TAKAHASHI TAKEHISA
Format:	Patent
Sprache:	eng
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRIC HEATING ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS GENERATION MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS SYSTEMS FOR STORING ELECTRIC ENERGY TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a technique for suppressing an increase in the number of components related to control when supplying power from three-phase alternating current to DC loads and controlling the DC loads on the basis of a binary status signal.SOLUTION: A power supply circuit includes: at least three load power control devices each having a control circuit for supplying a first power value to the DC load when AC power is supplied between a second input terminal and a control terminal, and supplying a second power value to the DC load when no such AC power is supplied; first wiring for grounding a first input terminal of each load power control device; control wiring for grounding the control terminal of each load power control device; second wiring for connecting the second input terminal of each load power control device to a three-phase AC power terminal of a U phase, V phase or W phase of a start connection with a grounded neutral point; and a switch for grounding or opening all the control wiring from the control terminals of the plurality of load power control devices.