Solar PV System with Battery Energy Storage for Critical Load
Shridhar S. Khule1, Sharad W Mohod2

1Shridhar S. Khule, Research Scholar, Ram Meghe Institute of Technology and Research, Badnera, Amravati, Maharashtra, India.

2Sharad W. Mohod, Professor, Ram Meghe Institute of Technology and Research, Badnera, Amravati, Maharashtra, India.

Manuscript received on 04 April 2019 | Revised Manuscript received on 11 April 2019 | Manuscript Published on 26 April 2019 | PP: 394-399 | Volume-8 Issue-6S April 2019 | Retrieval Number: F60830486S19/19©BEIESP

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Abstract: In a microgrid network, it is difficult to supply the critical load without energy storage, especially when renewable energy sources are used. The proposed solar PV system with battery energy storage is used to supply the controllable real and non-active power to the load. The generated solar power can be extracted under varying irradiance and temperature condition and can be stored in the batteries at low power demand hours. In proposed scheme, inverter control is implemented with active and non-active power control mode to achieve the faster dynamic switchover for the support of critical load. The Battery storage appended with solar PV system synthesizes the output waveform by injecting or absorbing non-active power and enable the real power flow required by the load. The system reduces the burden on the conventional source and utilizes solar PV to supply critical load constraints. Thus, the system provides fast response to support the critical loads. The scheme can also be operated in an islanded mode in case of grid failure. MATLAB/SIMULINK software is used to simulate the proposed system and results are presented.

Keywords: Microgrid, Solar PV Generator, Battery Energy Storage, Critical Load.
Scope of the Article: Renewable Energy Technology