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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
- 2015.1
- 수록면
- 268 - 277 (10page)
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초록· 키워드
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In this paper, a dual-converter three-phase pulse width modulation (PWM) rectifier based on unbalanced one-cycle control (OCC) strategy is proposed. The proposed rectifier is used to eliminate the second harmonic waves of DC voltage and distortion of line currents under unbalanced input grid voltage conditions. The dual-converter PWM rectifier employs two converters, which are called positive-sequence converter and negative-sequence converter. The unbalanced OCC system compensates feedback currents of positive-sequence converter via grid negative-sequence voltages, as well as compensates feedback currents of negative-sequence converter via grid positive-sequence voltages. The AC currents of positive- and negative-sequence converter are controlled to be symmetrical. Thus, the workload of every switching device of converter is balanced. Only one conventional PI controller is adopted to achieve invariant power control. Then, the parameter tuning is simplified, and the extraction for positive- and negative-sequence currents is not needed anymore. The effectiveness and the viability of the control strategy are demonstrated through detailed experimental verification.
목차
Abstract
Ⅰ. INTRODUCTION
Ⅱ. OCC FOR DUAL-CONVERTER THREE-PHASE PWM RECTIFIER
Ⅲ. OCC STRATEGY FOR POSITIVE-SEQUENCE CONVERTER OF PWM RECTIFIER
Ⅳ. OCC STRATEGY FOR NEGATIVE-SEQUENCECONVERTER OF PWM RECTIFIER
Ⅴ. UNBALANCED OCC SYSTEM FOR DUAL-CONVERTER PWM RECTIFIER
Ⅵ. EXPERIMENTAL RESULTS
Ⅶ. CONCLUSIONS
REFERENCES
참고문헌 (18)
참고문헌 신청
1. [학술지(정기간행물)] - L. Moran / 1992 / Design aspects of synchronous PWM rectifier-inverter systems under unbalanced input voltage conditions / IEEE Trans. Ind. Appl. 28 (6) : 1286 ~ 1293
2. [학술지(정기간행물)] - D. Roiu / 2010 / New stationary frame control scheme for three-Phase PWM rectifiers under unbalanced voltage dips conditions / IEEE Trans. Ind. Appl. 46 (1) : 268 ~ 277
3. [학술대회논문] - Z. Li / 2010 / Control of three-phase PWM rectifier under unbalanced input voltage conditions without sequential component extraction / Proc., PEMC : T2 ~ T218
4. [학술지(정기간행물)] - J. B. Hu / 2009 / Improved control of DFIG systems during grid unbalance using PI–R current regulators / IEEE Trans. Ind. Electron. 56 (2) : 439 ~ 451
5. [학술지(정기간행물)] - J. G. Hwang / 2007 / Control of grid connected AC-DC converters with minimized DC link capacitance under unbalanced grid voltage condition / Proc., IEEE EPE 1 (10) : 1 ~ 10
2. [학술지(정기간행물)] - D. Roiu / 2010 / New stationary frame control scheme for three-Phase PWM rectifiers under unbalanced voltage dips conditions / IEEE Trans. Ind. Appl. 46 (1) : 268 ~ 277
3. [학술대회논문] - Z. Li / 2010 / Control of three-phase PWM rectifier under unbalanced input voltage conditions without sequential component extraction / Proc., PEMC : T2 ~ T218
4. [학술지(정기간행물)] - J. B. Hu / 2009 / Improved control of DFIG systems during grid unbalance using PI–R current regulators / IEEE Trans. Ind. Electron. 56 (2) : 439 ~ 451
5. [학술지(정기간행물)] - J. G. Hwang / 2007 / Control of grid connected AC-DC converters with minimized DC link capacitance under unbalanced grid voltage condition / Proc., IEEE EPE 1 (10) : 1 ~ 10
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UCI(KEPA) : I410-ECN-0101-2016-560-001042502