基于分布式燃料电池的发电与补偿系统改善电能质量

2006 CES/IEEE 5th International Power Electronics and Motion Control Conference Pub Date : 2006-08-01 DOI:10.1109/IPEMC.2006.4778098

H. Tao, J. Duarte, M. Hendrix

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引用次数: 25

摘要

提出了一种小型单相燃料电池发电补偿系统。该系统的功率调节单元包括并网逆变器和将燃料电池和超级电容器连接到逆变器的三端口双向变换器。该系统可在孤岛和并网两种模式下运行。利用超级电容器提供的暂态存储能力，将无功补偿功能集成到系统中。同时，逆变器作为并联有源滤波器运行，并通过所提出的控制策略对本地负载所需的无功电流和谐波电流进行补偿。该系统适用于住宅应用，可以提高弱电网的质量。仿真和实验结果表明了该系统的有效性和可行性

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A Distributed Fuel Cell Based Generation and Compensation System to Improve Power Quality

A small single-phase fuel cell based energy generation and compensation system is proposed in this paper. The power conditioning unit of the system comprises a grid-interfacing inverter and a three-port bidirectional converter which connects a fuel cell and supercapacitor to the inverter. The system can operate in both island and grid-connected modes. By taking advantage of the transient storage capability offered by the supercapacitor, the function of reactive power compensation is integrated into the system. Simultaneously, the inverter is operated as a shunt active power filter and, by means of a proposed control strategy, compensates for reactive and harmonic current demanded by local loads. The system is suitable for residential applications and can improve the quality of a weak power grid. Simulation and experimental results show the validity and feasibility of the proposed system

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2006 CES/IEEE 5th International Power Electronics and Motion Control Conference

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