Optimum Input-Filter-Capacitor Sizing for Fuel-Cell Based Single-Phase Inverter for Current-Ripple Mitigation

被引:0
|
作者
Sarkar, Tirthajyoti [1 ]
Mazumder, Sudip K. [2 ]
机构
[1] Fairchild Semicond, Pune 411006, Maharashtra, India
[2] Univ Illinois, Chicago, IL 60607 USA
基金
美国国家科学基金会;
关键词
Input filter capacitor; current ripple; fuel cell; single phase; inverter;
D O I
暂无
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Most single-phase inverters, being sourced by fuel-cell stacks (FCSs), subject the stacks to reflected low-frequency (120 Hz) current ripples that ride on average dc currents. The ripple current impacts the sizing and efficiency of the FCS. As such and typically, a passive or active filter is required at the input of the inverter (or output of the FCS) to mitigate the ripple current. Towards that end, this paper outlines a guideline to choose the optimum size of a passive input-filter capacitor for a fuel-cell-based power system from the standpoints of the overall system energy density and cost. Detailed case-specific simulation results, based on an analytical approach, are provided to illustrate key issues for both unity-power-factor as well as harmonic loads.
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页数:9
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