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논문 기본 정보

자료유형
학술저널
저자정보
Masaki Imanaka (The University of Tokyo) Hideki Sasamoto (The University of Tokyo) Jumpei Baba (The University of Tokyo) Naoto Higa (Okinawa Enetech) Masanori Shimabuku (Okinawa Enetech) Ryota Kamizato (Okinawa Enetech)
저널정보
대한전기학회 Journal of Electrical Engineering & Technology Journal of Electrical Engineering & Technology Vol.10 No.3
발행연도
2015.5
수록면
1,304 - 1,310 (7page)

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초록· 키워드

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In remote islands, due to expense of existing generation systems, installation of photovoltaic cells (PVs) and wind turbines has a chance of reducing generation costs. However, in island power systems, even short-term power fluctuations change the frequency of grids because of their small inertia constant. In order to compensate power fluctuations, the authors proposed the power consumption control of pumps which send water to tanks. The power control doesn’t affect water users’ convenience as long as tanks hold water. Based on experimental characteristics of a pump system, this paper shows methods to determine reference power consumption of the system with compensation for short-term PV fluctuations while satisfying water demand. One method uses a PI controller and the other method calculates reference power consumption from water flow reference. Simulations with a PV and a pump system are carried out to find optimum parameters and to compare the methods. Results show that both PI control method and water flow calculation method are useful for satisfying the water demand constraint. The water demand constraint has a little impact to suppression of the short-term power fluctuation in this condition.

목차

Abstract
1. Introduction
2. Simulation Model and Proposed Method
3. Simulation Result and Discussion
4. Conclusion
References

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