INVERTER CONTROL DEVICE

PROBLEM TO BE SOLVED: To provide an inverter controller by which instantaneous abnormality of a power supply voltage can be reliably detected, and the power supply voltage can return to a steady state promptly, when the abnormality thereof is solved. SOLUTION: The inverter controller comprises: a ma...

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Bibliographische Detailangaben
1. Verfasser:	KUROSAKI KEI
Format:	Patent
Sprache:	eng
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS CONTROL OR REGULATION THEREOF CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide an inverter controller by which instantaneous abnormality of a power supply voltage can be reliably detected, and the power supply voltage can return to a steady state promptly, when the abnormality thereof is solved. SOLUTION: The inverter controller comprises: a main power supply; a sub-power supply which converts electric power distributed from the main power supply; a controller operated by electric power for control supplied from the sub-power supply; a transistor which turns on/off an input signal of the controller by turning on/off an emitter-collectors current; and a power supply monitor circuit which has an input terminal connected to the main power supply via at least resistance (rD) and monitors a voltage of the main power supply. The emitter terminal of the transistor is grounded; a base terminal of the transistor is connected to the output terminal of the power supply monitor circuit via the resistance (rB); and the emitter-collectors current of the transistor is turned on/off, according to the output signal of the power supply monitor circuit. COPYRIGHT: (C)2011,JPO&INPIT