The paper proposes a technique to analyze the double star PM synchronous generators by transforming the two 3-phase winding sets into two couples of windings on the d and q axes of the rotor reference frame. The technique introduces improvements with respect to other approaches, as it takes into account the harmonic content of the no-load flux linkages of the armature windings, it applies to a generic angular displacement between the two winding sets and it greatly simplifies the analysis since the two transformed winding sets are decoupled with respect to each other.
Analysis of Double Star Permanent Magnet Synchronous Generators by a General Decoupled d-q Model
ANDRIOLLO, MAURO;MARTINELLI, GIOVANNI ATTILIO;MORINI, AUGUSTO;TORTELLA, ANDREA
2007
Abstract
The paper proposes a technique to analyze the double star PM synchronous generators by transforming the two 3-phase winding sets into two couples of windings on the d and q axes of the rotor reference frame. The technique introduces improvements with respect to other approaches, as it takes into account the harmonic content of the no-load flux linkages of the armature windings, it applies to a generic angular displacement between the two winding sets and it greatly simplifies the analysis since the two transformed winding sets are decoupled with respect to each other.
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