PWM Control of Current Source Type Six-Phase Inverter with Improved Waveforms by Coupling Reactor
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- Inami Kazuo
- Niihama Technical college
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- Danjo Mitsuaki
- Niihama Technical college
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- Kondo Yasuo
- Niihama Technical college
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- Yamada Masashi
- Niihama Technical college
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- Heike Jyun
- 四国計測工業
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- Toki Kenichiro
- Sikoku Electric power
Bibliographic Information
- Other Title
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- 結合リアクトルにより波形改善された電流形六相インバータのPWM制御
- ケツゴウ リアクトル ニ ヨリ ハケイ カイゼン サレタ デンリュウガタ 6ソ
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Abstract
A PWM method has been applied to a high capacity six phase current source inverter system in order to obtain sinusoidal output voltage and current. In this system, the three-phase coupling reactor is connected between the inverter output and an induction motor used as a load. Then the reactor eliminates harmonic components included in the inverter output current except 12κ±1(κ=1, 2, 3, …)th order.<br>As a result, the distortion factor of the inverter output current decreases. But the resonant circuit is composed of the capacitance of filter capacitor and the induction motor leakage inductance. Then the resonance current is superimposed on the induction motor phase currents. To solve this problem, the optimal PWM pattern is derived, so that the resonant current becoms very small.<br>The order of the resonant frequency component of the induction motor phase current depend on the inverter frequency. Then total inverter frequency range is divided into several areas. The optimal PWM pattern is derived in each area. As a result, the use of each optimal PWM pattern allows us to drive the induction motor, over a wide range of speed, under the condition of small distortion factor of phase currents.
Journal
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- IEEJ Transactions on Industry Applications
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IEEJ Transactions on Industry Applications 118 (10), 1121-1126, 1998
The Institute of Electrical Engineers of Japan
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Details 詳細情報について
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- CRID
- 1390001204659717760
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- NII Article ID
- 10002727269
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- NII Book ID
- AN10012320
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- ISSN
- 13488163
- 09136339
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- NDL BIB ID
- 4565932
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed