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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2023.5
- 수록면
- 2,769 - 2,774 (6page)
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초록· 키워드
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A voltage source inverter (VSI) inserts dead-time in switching signals to prevent shoot-through in its legs. However, voltage errors from this dead time cause output voltage and current distortion, which can degrade the control performance of AC induction motors. Previous papers corrected this distortion by analyzing additional circuit configurations or load characteristics. This paper proposes a new method to compensate for non-ideal switch characteristics that causes the output voltage distortion and compensates through control code. Firstly, the equation mathematically expresses the effects of switch devices" non-ideal characteristics on switch waveforms and pole voltages to enable compensation. Secondly, through experimentation, it confirms the effects of non-ideal switch characteristics on output voltage distortion. Finally, the compensation values for non-ideal characteristics propose compensating for output voltage distortion in the control code. By applying this method to a general-purpose inverter system, a more accurate output voltage waveform is obtained with a simple numerical method. The experimental results demonstrate the validity of the analysis and the usefulness of the compensation method.
목차
Abstract
I. INTRODUCTION
II. EFFECT OF NON-IDEAL CHARACTERISTICS
III. EXPERIMENT RESULTS AND DISCUSSIONS
IV. CONCLUSIONS
REFERENCES
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