Research on dual-stator winding multi-phase high-speed induction generator with rectifier load |
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Authors: | XiangHeng Wang XinZhen Wu |
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Affiliation: | (1) Department of Electrical Engineering, Tsinghua University, Beijing, 100084, China;(2) Department of Electrical Engineering, Qingdao University, Qingdao, 266071, China |
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Abstract: | Based on analysis and calculation of the relation between current harmonics and MMF harmonics in the dual-stator winding multi-phase
high-speed induction generator with a rectifier load, a new idea, which divides the generator system into two sub-systems
to be analyzed individually, is presented. For the sub-system of the 12-phase power winding with a rectifier load, the loop
current method is used to establish network equation set in terms of the network graph theory. The numerical stability problem
is solved by alternating use of fixed time-step and varied time-step, and the voltage and current with their fundamental components
of the power winding are obtained. For the other sub-system of the induction generator with dual-stator winding and solid
cage rotor, the electromagnetic field analysis method and the multi-variable optimization approach are combined to get the
control winding current and stator frequency. Calculated results well match experiment results, indicating that the new proposed
method is of effectiveness and high accuracy.
Supported by the National Natural Science Foundation of China (Grant No. 50747024) |
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Keywords: | dual-stator winding induction generator rectifier load MMF analysis loop current method finite element method optimization approach |
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