Abstract
ABSTRACT This paper examines the ability of capacitors connected in the supply lines to one stator to improve the power factor and efficiency of a two stator (one moveable), single squirrel-cage, three phase induction machine termed a tandem machine. An equivalent circuit model incorporating the series capacitor is presented. Theoretical modeling for a typical set of equivalent circuit parameters and optimum capacitance show the tandem induction generator's power factor transformed from lagging to leading and the efficiency improved by one to three percentage points. Results from laboratory tests on a one horse power tandem motor for two different values of capacitance are included.
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