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Overload Prevention in an Autonomous Microgrid using Battery Storage Units

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Authors
Goyal, M.
Ghosh, Arindam
Shahnia, Farhad
Date
2014
Type
Conference Paper

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Goyal, M. and Ghosh, A. and Shahnia, F. 2014. Overload Prevention in an Autonomous Microgrid using Battery Storage Units, in Proceedings of the IEEE Power and Energy Society General Meeting (PES), Jul 27-31 2014, pp. 1-5. Washington DC, USA: Institute of Electrical and Electronics Engineers (IEEE).
Source Title
Power and Energy Society General Meeting (PES), 2014 IEEE
Source Conference
Power and Energy Society General Meeting (PES), 2014 IEEE
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Department of Electrical and Computer Engineering
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Abstract

A new control strategy for smooth transition of a battery storage unit (BSU) is proposed in this paper to prevent overloading in an autonomous hybrid microgrid. The BSU is controlled to come online to prevent overloading to the distributed generators (DGs) in the autonomous microgrid and to go offline when the load demand is less than the total rating of the DGs in the microgrid. The microgrid can contain either inertial DG or non–inertial DGs, which are controlled in a frequency droop. The sensing of switching on and switching off of the BSU depends on the frequency signal, which is developed in the paper. The proposed strategy is validated through PSCAD/EMTDC simulation studies.