Abstract— Many countries have provided new power regulations that encourage renewable energy resources as a result of public awareness of the need to reduce pollution and, as a result, a significant increase in the costs of conventional electricity resources. Wind, solar, and hydro mainly based energy, examples of renewable electricity resources. These are eco-friendly and can be used more widely. In comparison to single-use of such structures, combining these renewable power assets with backup devices to build a hybrid system can provide a more cost-effective, environmentally friendly and reliable energy distribution in all load demand conditions. Energy storage systems (ESS) provide lots of benefits, including controlling production and consumption, as well as improving electricity quality smoothing the intermittency of renewable resources, and allowing supplementary services like frequency and voltage management in micro grid (MG) operation. Hybrid energy storage (HESSs), which are characterized by the coupling of two or more different storage methods, have developed as a solution for achieving the desired performance by implementing the acceptable capabilities of several technologies. Because of its restricted functionality and potency in terms of lifespan, cost, electricity and energy density, and dynamic reaction, a single ESS technology cannot do the necessary operation. As a result, unique HESS configurations based on storage type, interface, control technique, and thus the provided service have been offered in the literature. This study examines the state of the art of HESSs device for MG in detail and provides a popular perspective on the growing HESS market. The capability sizing methodologies, a topology of the power converter for the HESS interface, architecture, control, and electricity regulation of HESS in MGs are described, all evaluated and classed as important features of HESS utilization in MGs. A financial analysis is also included, as well as a design approach, to help investors and distribution system engineers understand the HESS. Based on the research analysis and observed limitations, major developments in HESS in MGs are suggested.

Keywords— Scalability, Hybrid technology, Optimization, Renewable energy

| DOI: 10.17148/IARJSET.2021.86129