Research Article Open Access

Hybrid Renewable Energy Distributed Generation System with Vanadium Redox Battery (VRB)

Abstract

Renewable technologies are matured; hybrid renewable energy system is promising to replace conventional fossil fuel distributed power generation. Renewable energy sources are inexhaustible and are renewed by nature itself. Due to ever increasing energy consumption, rising public awareness of environmental protection, and steady progress in power deregulation, alternative (i.e., renewable and fuel cell based) distributed generation (DG) systems have attracted increased interest. Wind and photovoltaic (PV) power generation are two of the most promising renewable energy technologies. Renewable energy sources are inexhaustible and are renewed by nature itself. This paper focuses on a photovoltaic/wind based hybrid power system. This system has three different sources namely solar, wind, and battery power to produce a continuous power supply. The available solar and wind output is boosted to the required level and connected to a common DC bus. The battery for this system is Vanadium Redox flow Battery (VRB). The performance of the energy storage system can be improved by VRB. This paper proposed the hybrid renewable energy system with VRB and the simulation results of VRB. The MPPT is implemented using Perturb and Observe algorithm to obtain the maximum power point. This DC is suitably converted into an AC by a PWM inverter to supply an AC load. In the absence of both wind and the solar output the load is connected through a battery backup source to supply power to the load.

Vijayakumar.R, M P Mohandass, Rajasindhu.D

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