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Induction Motor with Adjustable Windings for High Efficiency Drive in Light Load Operation
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 Title & Authors
Induction Motor with Adjustable Windings for High Efficiency Drive in Light Load Operation
Zhang, Y.;
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 Abstract
Heavy load start but light load operation is a common case in practical drive applications. When an induction motor is employed for such applications, its rated power is usually chosen according to the heavy load start. Then, during light load operation, its efficiency and power factor are low. To solve this problem, it is proposed to adjust the motor windings from the startup to the normal operation conditions. In this paper, arrangement of the adjustable windings is introduced, air gap field with different windings is investigated, and steady state operation performance under various loads is examined. It can be seen that by using proper winding arrangement both startup and operation performances are satisfactory.
 Keywords
Adjustable windings;Heavy load start;Light load operation;Efficiency;Power factor;
 Language
English
 Cited by
 References
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