지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2004.10
- 수록면
- 209 - 213 (5page)
이용수
초록· 키워드
오류제보하기
Utility voltage information, such as the frequency, phase angle, and amplitude, is very important in many industrial systems. In a three-phase system, the utility voltage information can be easily obtained using a utility voltage. vector, as the magnitude and angle of the voltage vector indicate the amplitude and angle of the utility voltage, respectively. However, in the case of a single-phase system, the utility voltage information is much more difficult to acquire.
Conventionally, the frequency and phase angle of a single-phase voltage are obtained by detecting the zero cross point. Yet, this method cannot provide the utility voltage information instantaneously and is very sensitive to noise. Accordingly, this paper presents a novel digital PLL (Phase
Locked Loop) algorithm for single-phase photovoltaic systems.
The algorithm uses two virtual phases, and its performance is demonstrated under various utility conditions to show the effectiveness of the proposed algorithm.
Conventionally, the frequency and phase angle of a single-phase voltage are obtained by detecting the zero cross point. Yet, this method cannot provide the utility voltage information instantaneously and is very sensitive to noise. Accordingly, this paper presents a novel digital PLL (Phase
Locked Loop) algorithm for single-phase photovoltaic systems.
The algorithm uses two virtual phases, and its performance is demonstrated under various utility conditions to show the effectiveness of the proposed algorithm.
목차
Abstract
Ⅰ. INTRODUCTION
Ⅱ. ZERO CROSS DERECRION METHOD
Ⅲ. ANALYSIS OF VIRTUAL TWO PHASE DETECTOR
Ⅳ. ECPERIMENT
Ⅴ. CONCLUSION
ACKNOWLEDGMENT
REFERENCES
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UCI(KEPA) : I410-ECN-0101-2009-560-014544116