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Signature Analysis of Electrical Faults in Standalone PV Systems with Storage

Stand-alone PV systems are increasingly becoming popular as a viable alternative to utility power supply, especially in remote corners, where accessibility is a problem to deploy conventional distribution systems. It is also becoming a choice of conscious consumers who wish to contribute to environment protection through use of green energy. In this context, it is vital to have a fault diagnosis system in place to identify various faults in the PV system. This paper presents a signature analysis of various electrical faults in a stand-alone PV system, with battery storage. The focus of the work is to minimize the sensors to be deployed for detection and classification of the faults.