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논문 기본 정보

자료유형
학술대회자료
저자정보
M. Jang (The University of New South Wales) M. Ciobotaru (The University of New South Wales) V. G. Agelidis (The University of New South Wales)
저널정보
전력전자학회 ICPE(ISPE)논문집 ICPE 2011-ECCE Asia
발행연도
2011.5
수록면
1,637 - 1,644 (8page)

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In general, two power conversion stages are required when low-voltage unregulated fuel cell (FC) output is conditioned to generate AC power. In this paper, the boost-inverter topology that achieves both boosting and inversion functions in a single-stage is used as a building block to develop a single-phase grid-connected FC-system which offers high conversion efficiency, low-cost and compactness. The proposed system incorporates additional battery-based energy storage and a DC-DC bi-directional converter to support the slow dynamics of the FC. The single-phase boost-inverter is voltage-mode controlled and the DC-DC bi-directional converter is current-mode controlled. The low-frequency current ripple is supplied by the battery which minimizes the effects of such ripple being drawn directly from the FC itself. Moreover, this system can operate either in a grid-connected or stand-alone mode. In the grid-connected mode, the boost-inverter is able to control the active (P) and reactive (Q) power using an algorithm based on a Second Order Generalized Integrator (SOGI) which provides a fast signal conditioning for single-phase systems. Analysis, simulation and experimental results from a laboratory prototype are presented to confirm the validity of the proposed system.

목차

Abstract
Ⅰ. INTRODUCTION
Ⅱ. PROPOSED FULL CELL ENERGY SYSTEM
Ⅲ. SIMULATION AND EXPERIMENTAL RESULTS
Ⅳ. CONCLUSIONS
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