지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2013.5
- 수록면
- 487 - 496 (10page)
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초록· 키워드
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The three-phase synchronous reference frame phase-locked loop (SRF-PLL) is widely used for synchronization applications in power systems. In this paper, a new control strategy for three-phase grid-connected LCL inverters without a PLL is presented. According to the new strategy, a current reference can be generated by using the instantaneous power control scheme and the proposed positive-sequence voltage detector. Through theoretical analysis, it is indicated that a high-quality grid current can be produced by introducing the new control strategy. In addition, a kind of independent control for reactive power can be achieved under unbalanced and distorted grid conditions. Finally, the excellent performance of the proposed control strategy is validated by means of simulation and experimental results.
목차
Abstract
I. INTRODUCTION
II. THREE-PHASE GRID-CONNECTED LCL INVERTERS
III. INSTANTANEOUS POWER CONTROL SCHEME BASED ON THE STATIONARY REFERENCEFRAME
IV. DESIGNED POSITIVE-SEQUENCE VOLTAGE DETECTOR
V. PROPOSED CONTROL STRATEGY
VI. SIMULATION RESULTS
VII. EXPERIMENTAL RESULTS
VIII. CONCLUSIONS
REFERENCES
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UCI(KEPA) : I410-ECN-0101-2014-500-003575722