METHOD OF STEPLESS SPEED CONTROL OF A.C. MOTOR AND THE MOTORS

It can overcome the disadvantages of existent speed control, and produces the new a.c. stepless speed control motors. The motor of type 1 has no brushes, no commutator and good reliability. The motor has wide speed-control range, It is controlled from zero point, and there is no starting overcurrent...

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Bibliographische Detailangaben
Hauptverfasser:	TIAN YONGNING, TAO FENGBAI
Format:	Patent
Sprache:	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 DYNAMO-ELECTRIC MACHINES ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	It can overcome the disadvantages of existent speed control, and produces the new a.c. stepless speed control motors. The motor of type 1 has no brushes, no commutator and good reliability. The motor has wide speed-control range, It is controlled from zero point, and there is no starting overcurrent. It is suitable for frequent startings. The motor has constant power and good low speed characteristics. When it is of large power capacity, the advantages are prominent. The motor of type 1 is suitable for wherever requiring stepless speed control and needing explosion-proof. The motor of type 2 has low cost and issuitable for speed control of blower.