Five level single phase inverter scheme with fault tolerance for islanded photovoltaic applications

Rao, A M and Sivakumar, K (2015) Five level single phase inverter scheme with fault tolerance for islanded photovoltaic applications. In: 7th International Conference on Information Technology and Electrical Engineering (ICITEE), OCT 29-30, 2015, King Mongkut's Institute, Chiang Mai, THAILAND.

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A fault tolerant single phase five level inverter is proposed in this paper for islanded photovoltaic ( PV) generation system. The topology has the capability of maintaining same output voltage magnitude in case of switch open circuit fault and/or source open or short circuit fault with slightly reduced number of voltage levels. This helps in supplying uninterruptable power to essential loads even under fault condition. The topology also has the major advantage of energy balancing between two batteries using redundant switching states. This helps in reducing difference in state of charge ( SOC) of batteries during partial shading or hotspots on PV panels. The fault tolerant single phase five-level inverter is simulated using MATLAB/SIMULINK and results are verified with laboratory prototype.

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IITH Creators:
IITH CreatorsORCiD
Item Type: Conference or Workshop Item (Paper)
Uncontrolled Keywords: Fault tolerant inverter; PV generation system; power sharing; single phase five level inverter
Subjects: Others > Electricity
Divisions: Department of Electrical Engineering
Depositing User: Team Library
Date Deposited: 01 Sep 2016 10:32
Last Modified: 01 Sep 2016 10:32
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