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
- 2019.5
- 수록면
- 2,616 - 2,621 (6page)
이용수
초록· 키워드
오류제보하기
In view of the contradiction between active power steady-state and dynamic characteristics regulation of VSG based on the existing first-order virtual inertia algorithm operating in grid- connected mode and multiparalleled mode, a virtual inertia control strategy based on multi-stage lead-lag compensation is proposed in this paper. By cascading a multi-stage lead-lag link in the first -order virtual inertia forward channel, the control freedom of VSG grid-connected and paralleled system is increased, so that the zero and poles can be freely configured. Furthermore, a firstorder lead-lag link is taken as an example to analyze its effect on the output active power steady-state and dynamic characteristics of VSG grid-connected system and paralleled systems. Through reasonable configuration of the secondorder virtual inertia parameters, the system damping ratio can be increased and the power oscillation can be eliminated while its steady-state characteristics are not changed under the circumstance of a large inertia. Experimental results verify the effectiveness of the proposed strategy.
목차
Abstract
I. INTRODUCTION
II. CHARACTERISTICS OF GRID-CONNECTED AND PARALLELED SYSTEM BASED ON FIRST ORDER VIRTUAL INERTIA
III. A VIRTUAL INERTIA CONTROL STRATEGY BASED ON MULTI-ORDER LEAD-LAG COMPENSATION
IV. EXPERIMENTAL RESULTS
V. CONCLUSIONS
REFERENCES
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