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Volume 4 | Issue 4 | Year 2013 | Article Id. IJETT-V4I4P312 | DOI : https://doi.org/10.14445/22315381/IJETT-V4I4P312
Z – Source Inverter for Fuel Cells
Basharat Nizam
Citation :
Basharat Nizam, "Z – Source Inverter for Fuel Cells," International Journal of Engineering Trends and Technology (IJETT), vol. 4, no. 4, pp. 1060-1066, 2013. Crossref, https://doi.org/10.14445/22315381/IJETT-V4I4P312
Abstract
This paper presents a Z - source converter also known as impedance - source (or impedance - fed) power converter and its control method for implementing dc - to - ac, ac - to - dc, ac - to - ac, and dc - to - dc p ower conversion. The Z - source Inverter employs a unique impedance network (or circuit) to couple the converter main circuit to the power source, thus providing unique features that cannot be obtained in the traditional voltage - source (or voltage - fed) and current - source (or current - fed) converters where a capacitor and inductor are used, respectively. The Z - source Inverter overcomes the conceptual and theoretical barriers and limitations of the tradit ional voltage - source converter (abbreviated as V - source converter) and current - source converter (abbreviated as I - source converter) and provides a novel power conversion concept. The Z - source concept can be applied to all dc - to - ac, ac - to - dc, ac - to - ac, and dc - to - dc power conversion. To describe the operating principle and control, this paper focuses on an example: a Z - source inverter for dc - ac power conversion needed in fuel cell applications. Simulation and experimental results will be presented to demonstrate the new features .
Keywords
Z – Source Inverter, Fuel Cells, Fuel Cells, Capacitor, Pwm Control.References
1 . K. Thorborg, Power Electronics . L ondon, U.K.: Prentice - Hall International (U.K.) Ltd., 1988.
2 . M. H. Rashid, Power Electronics , 2nd ed. Englewood Cliffs, NJ: Prentice - Hall, 1993.
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