Journal
RENEWABLE ENERGY
Volume 69, Issue -, Pages 208-218Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.renene.2014.03.049
Keywords
Cascaded H-bridge; PV power plant; Inverter efficiency; Inverter cost; Levelized cost of electricity
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In this paper, the cascaded H-bridge (CHB) inverter is evaluated as a PV power conversion solution for large-scale PV power plants. The advantages and disadvantages of the CUB inverter for large-scale PV power plants are discussed. Comparison between the CUB and conventional central inverters is also presented in terms of efficiency and cost. For comprehensive assessment of the CHB inverter on the system level, a system-level evaluation is also performed in this paper. The levelized cost of electricity (LCOE) is used as the evaluation metric. LCOE of PV system with either the conventional central or CHB inverters is calculated for different geographic locations and PV module technologies. The comparative evaluation demonstrates the promising benefits in using the CHB inverter for large-scale PV power plants. (C) 2014 Elsevier Ltd. All rights reserved.
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