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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
- 2019.5
- 수록면
- 493 - 499 (7page)
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초록· 키워드
오류제보하기
The increasing penetration rate of inverterinterfaced distributed generators (DGs) will lead to the inertia decrease of the grid. To solve it, virtual synchronous generator (VSG) control, which enables inverter-interfaced DGs to have inertia like synchronous generators (SGs), has been proposed. However, VSG control requires extra energy storage to emulate kinetic energy fluctuation in rotating mass of SGs. In this study, kinetic energy of motors existing in the grid as loads is temporarily utilized to absorb disturbance in the grid so that the cost of energy storage is minimized. Furthermore, as a large portion of loads in the grid consists of motors, large inertia support can be expected. To achieve it, VSG control is applied to grid side converter of back-toback ac-dc-ac converter in a motor drive system, and coordinated control between VSG control and motor speed control is proposed. The effectiveness of suppression of grid frequency fluctuation by the proposed control system is shown through simulation results.
목차
Abstract
I. INTRODUCTION
II. PROPOSED CONTROL SYSTEM
III. SIMULATION RESULTS
IV. CONCLUSIONS
REFERENCES
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