✦ LIBER ✦

Model-based fault detection of hybrid fuel cell and photovoltaic direct current power sources

✍ Scribed by Liyan Zhang; Alex Q. Huang

Publisher: Elsevier Science
Year: 2011
Tongue: English
Weight: 845 KB
Volume: 196
Category: Article
ISSN: 0378-7753
DOI: 10.1016/j.jpowsour.2011.01.089

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✦ Synopsis

Hybrid DC power sources which consist of fuel cells, photovoltaic and lithium-ion batteries provide clean, high efficiency power supply. This hybrid DC power sources can be used in many applications. In this work, a model-based fault detection methodology for this hybrid DC power sources is presented. Firstly, the dynamic models of fuel cells, photovoltaic and lithium-ion batteries are built. The state space model of hybrid DC power sources is obtained by linearizing these dynamic models in operation points. Based on this state space model the fault detection methodology is proposed. Simulation results show that model-based fault detection methodology can find the fault on line, improve the generation time and avoid permanent damage to the equipment.

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