A smooth co-ordination control for a hybrid autonomous power system (HAPS) with battery energy storage (BES)

2015, Volume 9, Issue 1

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Frontiers in Energy >> 2015, Volume 9, Issue 1 doi: 10.1007/s11708-015-0347-9

A smooth co-ordination control for a hybrid autonomous power system (HAPS) with battery energy storage (BES)

1. Department of Electrical and Electronics Engineering, National Institute of Technology, Tiruchirappalli 620015, India.2. Department of Electrical and Electronics Engineering, National Institute of Technology, Trichy 620015, India

Accepted: 2015-02-10 Available online: 2015-03-02

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Abstract

The standalone hybrid power system constitutes a synchronous generator driven by a diesel engine, renewable energy source (wind) apart from a battery energy storage system. A coherent control strategy to regulate the voltage and frequency of the standalone grid is proposed in this paper. The system is simulated using Matlab/Simulink for preliminary validation and further tested on a laboratory prototype which involves a TMS320LF2407A DSP controller to digitally implement the control strategy. The dynamic behavior of the system is perused through the direct connection of an induction machine. The control strategy is verified for step changes in load and variation in wind power.

Keywords

standalone hybrid power system ; battery energy storage system (BESS) ; power conversion

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