A NOVEL VOLTAGE REGULATOR - BATTERY ENERGY STORAGE SYSTEM FOR RENEWABLE ENERGY SYSTEM

Renewable energy sources are widely used in power generation. In this paper Battery storage system has a major role with Bidirectional converter. Battery energy storage has been widely applied in various applications such as Uninterruptible Power Supplies (UPS). These systems are standard solution when total outage or voltage sag compensation is required. Over the past decades an interest is growing up about the exploration of renewable energies, such as wind and solar energy, for generation of electrical energy. The use of renewable energy resources is an alternative solution for overcoming the global warming. However, the electric power generated is fluctuating, since the wind presents a random characteristic and the available solar energy depends on the weather conditions. An alternative is to store energy in a battery bank. Another growing applications is the use of battery storage to limits at maximum the power delivered by the supply grid. A bidirectional converter for battery energy storage is connected with a utility grid operates at energy storage and peak cut modes. The Voltage Regulator Battery Energy Storage System (VR-BESS) is developed by combination of Buck converter and Boost converter operated in a single structure.