POWER SUPPLY CIRCUIT OF INVERTER DRIVE SENSORLESS MOTOR

PURPOSE: To reduce the number of twisted wires and the number of terminals of a high-harmonic transformer with the power supply circuit of an inverter drive sensorless motor. CONSTITUTION: The power supply of a rotor position detection circuit As2 is obtained from a secondary circuit Ap9 of a high-h...

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Bibliographische Detailangaben
Hauptverfasser:	MAEDA SHIRO, NAKAI MITSUHISA, TANI YUJI, MARUKE TOSHIO
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:	PURPOSE: To reduce the number of twisted wires and the number of terminals of a high-harmonic transformer with the power supply circuit of an inverter drive sensorless motor. CONSTITUTION: The power supply of a rotor position detection circuit As2 is obtained from a secondary circuit Ap9 of a high-harmonic transformer T3 for supplying power supply to control circuits Aq4, Aq5, and Aq6 for driving the lower three transistors Q4, Q5, and Q6 of an inversion conversion circuit A2 via a regulator Rgl.