Abstract
Renewable energy systems are becoming widespread in the future due to adverse environmental friendly and abundant in nature. Solar and wind energy resources are alternative to each other which will have the actual potential to satisfy the energy demand. But wind energy system may not be technically viable at all sites because of low wind speeds and being more unpredictable than solar energy. Due to this reason a combined utilization of these renewable energy sources are therefore becoming increasingly attractive and are being widely used as alternative of oil-produced energy and this is called “Hybrid Renewable Energy Systems. These hybrid energy systems are becoming popular in remote area power generation applications due to advancements in renewable energy technologies and substantial rise in prices of fossil fuel. This paper presents an extensive review on hybrid renewable energy systems configurations, mathematical modeling and control strategies of the system. This Paper also highlights the optimization techniques which have the potential to increase the economic attractiveness of the system.
Highlights
With rapid growth on fossil fuel scarcity and environmental concern such as global warming and pollution in a world of today, the renewable energy such as solar, wind, biomass, and micro-hydro systems can be seen as suitable alternatives to conventional power due to their sustainable behaviour
The solar PV system is powered by the solar energy which is abundantly available in nature
The direct current (DC)-coupling configuration uses bi-directional inverter which can act as inverter for diesel generator and rectifier for battery charging, this is in a sense that renewable energy generating units are connected to DC bus supply AC load through the bi-directional inverter
Summary
With rapid growth on fossil fuel scarcity and environmental concern such as global warming and pollution in a world of today, the renewable energy such as solar, wind, biomass, and micro-hydro systems can be seen as suitable alternatives to conventional power due to their sustainable behaviour. The solar PV and Wind energy sources have been proved as more promising, technically matured, and cost effective energy sources They are being used in many places of world as a single source is combined as hybrid power system [1,2,3,4]. Solar PV systems generally can be much cheaper than installing power lines and step-down transformers especially to remote areas. This is done by using the energy from wind to run a windmill, which in turn drives a generator to produce electricity [6] The windmill in this case is usually called a wind turbine. This turbine transforms the wind energy to mechanical energy, which in a generator is converted to electrical power. An integration of wind generator, wind turbine, aero generators is known as a wind energy conversion system (WECS) [7]
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