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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.1
- 수록면
- 179 - 189 (11page)
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초록· 키워드
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Four-quadrant converters (4QCs) are widely used as AC-DC power conversion interfaces in many areas. A control delay commonly exists in the digital implementation process of 4QCs, especially for high power 4QCs with a low switching frequency. This usually results in alternating current distortion, increased current harmonic content and system instability. In this paper, the control delay is divided into a computation delay and a PWM delay. The impact of the control delay on the performance of a 4QC is briefly analyzed. To obtain a fundamental value of AC current that is as accurately as possible, a specific sampling method considering the PWM pattern is introduced. Then a current predictive control based on a modified z-transform is proposed, which is effective in reducing the control delay and easy in terms of digital implementation. In addition, it does not depend on object models and parameters. The feasibility and effectiveness of the proposed predictive current control method is verified by simulation and experimental results.
목차
Abstract
Ⅰ. INTRODUCTION
Ⅱ. BASIC PRINCIPLE AND CONTROL METHOD
Ⅲ. CONTROL DELAY AND ITS INFLUENCE ANALYSIS
Ⅳ. PREDICTIVE CURRENT CONTROL BASED ON THE SPECIFIC SAMPLING METHOD AND THE MODIFIED Z-TRANSFORM
Ⅴ. SIMULATION ANALYSIS
Ⅵ. EXPERIMENTAL VERIFICATION
Ⅶ. CONCLUSIONS
REFERENCES
참고문헌 (27)
참고문헌 신청
H. C. Chiang, T. T. Ma, Y. H. Cheng, J. M. Hang, and W. N. Chang, “Design and implementation of a hybrid regenerative power system combining grid-tie and uninterruptible power supply functions,” IET Renew. Power Gener., Vol. 4, No. 1, pp. 85-99, Jan. 2010.
Y. J. Gu, Y. X. Wang, W. H. Li, and X. N. He, “Improved virtual vector control of single-phase inverter based on unified model,” IEEE Trans. Energy Convers., Vol. 29, No. 3, pp. 611-618, Sep. 2014.
J. Rocabert, A. Luna, F. Blaabjerg, and P. Rodriguez, “Control of power converters in AC microgrids,” IEEE Trans. Power Electron, Vol. 27, No. 11, pp. 4734-4749, Nov. 2012.
W. Song, S. Jiao, Y. W. Li, J. Wang, and J. Huang, “High-frequency harmonic resonance suppression in high-speed railway through single-phase traction converter with LCL filter,” IEEE Trans. Transport. Electrific., Vol. 2, No. 3, pp. 347-356, Sep. 2016.
B. Bahrani and A. Rufer, “Optimization-based voltage support in traction networks using active line-side converters,” IEEE Trans. Power Electron., Vol. 28, No. 2, pp. 673-685, Feb. 2013.
Y. J. Gu, Y. X. Wang, W. H. Li, and X. N. He, “Improved virtual vector control of single-phase inverter based on unified model,” IEEE Trans. Energy Convers., Vol. 29, No. 3, pp. 611-618, Sep. 2014.
J. Rocabert, A. Luna, F. Blaabjerg, and P. Rodriguez, “Control of power converters in AC microgrids,” IEEE Trans. Power Electron, Vol. 27, No. 11, pp. 4734-4749, Nov. 2012.
W. Song, S. Jiao, Y. W. Li, J. Wang, and J. Huang, “High-frequency harmonic resonance suppression in high-speed railway through single-phase traction converter with LCL filter,” IEEE Trans. Transport. Electrific., Vol. 2, No. 3, pp. 347-356, Sep. 2016.
B. Bahrani and A. Rufer, “Optimization-based voltage support in traction networks using active line-side converters,” IEEE Trans. Power Electron., Vol. 28, No. 2, pp. 673-685, Feb. 2013.
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