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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술대회자료
- 저자정보
- 발행연도
- 2015.6
- 수록면
- 470 - 474 (5page)
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초록· 키워드
오류제보하기
Impedance is an important parameter to analysis the stability of microgrid. Stability criteria have been developed in terms of source and load impedances for both dc and ac systems, and it is often helpful to have techniques for impedance measurement. First, the theoretical impedance of microgrid is calculated in this paper. Second, a new method of impedance measurement for microgrid is introduced. By injecting an unbalanced line-to-line square wave current between two lines of the ac system, all impedance information in the traditional synchronous reference frame d?q model can be determined. The proposed measurement device also can be used for both ac and dc interfaces. The impedance identification method proposed in this paper greatly reduces online testing time by injecting an unbalanced line-to-line square wave current. Calculation, simulation and laboratory measurements verify the measurement results at last.
목차
Abstract
I. INTRODUCTION
II. IMPEDANCEMEASUREMENT FOR STABILITY ANALYSIS
III. THE IMPEDENCE CALCULATE
IV. THEMEASUREMENT METHOD OF HARMONIC IMPEDANCE
V. LABORATORY VALIDATION
VI. CONCLUSIONS
REFERENCES
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