Effect of Capacitor Injection in the Rotor Winding of an Induction Machine

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Author(s) Eugene Okenna Agbachi
Pages 2033-2035
Volume 2
Issue 12
Date December, 2012
Keywords Induction Generator, Capacitor Injection, Reversal of Power Flow
Abstract

This is the presentation of the effect of capacitor injection into the rotor circuit of an induction machine through the slip rings. It is shown that if capacitor (whose reactance is twice that of the inductive reactance of the rotor) is injected into the rotor circuit such that the effective reactance of the rotor is capacitive, there will be reversal of power flow. The slip of the machine will be positive, yet it will be operating as a generator.

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