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Reduction of Converter Rating for New Induction Generator System by 3rd Harmonic Injection
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| Author(s) |
Noriyuki KIMURA, Kenta ISOZUMI, Kahiwagi SHUTA, Toshimitsu MORIZANE, Omori HIDEKI |
| Abstract |
In this paper, the new wind power generation system, which uses the diode rectifier to convert the real power from the induction generator to the intermediate dc voltage, and the inverter to supply the reactive power necessary to excite the induction generator, has been investigated. Reduction of the peak current of the voltage source converter (VSC) which excites the induction generator (IG) is most important factor to reduce the total cost of the system. The simulation results show that the 3rd harmonic injection can allow to reduce the VSC rating about 13\%. The simulation results confirm the same performance with the reduced dc voltage. It is also shown that the 3rd harmonic component of the current from the VSC is suppressed. This also reduced the peak current value about 16\%. These effects can reduce the total VSC rating to 72\% of that without 3rd harmonic injection. However, 5th harmonic component was increased and the cause should be investigated. The experimental results will be provided for the final version of the full paper. |
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| Filename: | 0610-epe2013-full-07044110.pdf |
| Filesize: | 527.5 KB |
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| Type |
Members Only |
| Date |
Last modified 2014-02-09 by System |
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