VARIABLE SPEED GENERATOR-MOTOR AAPPARATUS AND VARIABLE SPEED GENERATOR-MOTOR SYSTEM

In a variable speed generator-motor apparatus, a power converter includes six two-terminal arms each formed by serially connecting k unit converters that can output arbitrary voltage, an AC rotating electric machine includes an armature winding with 60-degree phase zone formed from a double layer co...

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Bibliographische Detailangaben
Hauptverfasser:	BANDO, Akira, NAGURA, Osamu
Format:	Patent
Sprache:	eng ; fre ; ger
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 DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	In a variable speed generator-motor apparatus, a power converter includes six two-terminal arms each formed by serially connecting k unit converters that can output arbitrary voltage, an AC rotating electric machine includes an armature winding with 60-degree phase zone formed from a double layer coil, the armature winding being divided into first and second pole sides to form double star connection by binding neutral points and to be drawn out as two sets of three-phase terminals; three-phase terminals on the first pole side are connected to first terminals of three arms of the power converter, and second terminals of the three two-terminal arms are star-connected to a first terminal of a DC power supply; three-phase terminals on the second pole side of the armature winding are connected to second terminals of remaining three two-terminal arms of the power converter, and first terminals of the three two-terminal arms are star-connected to a second terminal of the DC power supply; and direct current of the DC power supply is trisected and is caused to flow through the three two-terminal arms connected to the second terminal of the DC power supply, the armature winding, and the three two-terminal arms connected to the first terminal of the DC power supply, in this order.