지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2015.6
- 수록면
- 990 - 995 (6page)
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초록· 키워드
오류제보하기
A rapid grid synchronization technique is proposed for enhanced low voltage ride-through (LVRT) operation of voltage source inverter based distributed energy resource (DER). The proposed synchronization method aims at enhancing the LVRT capability by providing fast information of the fundamental positive and negative sequence components of the grid voltage vector. This is achieved by a novel pre-filter, based on complex frequency integrators, which is capable of faster fundamental voltage sequence separation. This information is crucial for optimal and accurate current reference generation during LVRT. Improved dynamics of the prefilter also allow higher phase lock loop (PLL) bandwidth compared to existing pre-filter based synchronization techniques. The higher bandwidth of the PLL based on proposed pre-filter allows for fast fundamental positive sequence grid voltage vector angle tracking which is crucial for a current controller in the synchronous reference frame. The method is implemented on TMS320F28335 controller, and key results are presented.
목차
Abstract
I. INTRODUCTION
II. GRID VOLTAGE VECTOR AND ROLE OF SYNCHRONIZATION TECHNIQUE
III. TWO MODULE COMPLEX COEFFICIENT PRE-FILTER AND ITS LIMITATIONS
IV. PROPOSED SYNCHRONIZATION TECHNIQUE
V. EXPERIMENTAL RESULTS
VI. CONCLUSIONS
REFERENCES
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