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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
- 2023.5
- 수록면
- 2,486 - 2,491 (6page)
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초록· 키워드
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Inverter-based renewable energy resources, as a critical response to the net-zero energy transition, have been displacing conventional synchronous generation. However, this displacement has increased the grid’s vulnerability to disturbances. The virtual synchronous generator (VSG) is a potential solution for grid strengthening. However, previous research has shown that VSG can also experience instability under certain grid conditions, which have been partially addressed in previous work. This paper aims to fill the gaps in these works by exploring the fundamental causation of instability through an updated comprehensive state-space modeling, parameter scanning, and consequent states participation factor analysis. It has been found that both voltage and active power controllers contribute to low-frequency instabilities in most cases. Furthermore, the two controllers are tightly coupled, although parameterising may improve decoupling.
목차
Abstract
I. INTRODUCTION
II. VSG STATE-SPACE MODELING AND VERIFICATION
III. IMPACT OF VARYING PARAMETERS UNDER DIFFERENT GIRD CONDITIONS
IV. CLOSED-LOOP BANDWIDTH INVESTIGATION
V. CONCLUSION
REFERENCES
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