Controlling the Frequency Response in AC/DC Microgrid using an Energy Storage Device

Athraa Hafed Mahdi; Wafaa Saeed Majeed

doi:10.58564/IJSER.1.2.2022.50

Authors

Athraa Hafed Mahdi Electrical Engineering Department, College of Engineering, Mustansiriayah University, Baghdad, Iraq
Wafaa Saeed Majeed Electrical Engineering Department, College of Engineering, Mustansiriayah University, Baghdad, Iraq

DOI:

https://doi.org/10.58564/IJSER.1.2.2022.50

Keywords:

Rate of Change of Frequency, Deloading method, Virtual Inertia Control, Energy Storage Device

Abstract

This paper deals with the issue of frequency regulation in a small insulated low inertia grid with a large participation of renewable energy sources (RESs). A strong decentralized control strategy is used, allowing various RESs such as batteries, supercapacitors, and fuel cells to provide additional frequency recovery service.

A small grid with a synchronous machine, photovoltaic cells, and fuel cells was developed as generation units to test the effectiveness of the suggested technique. Furthermore, the battery and supercapacitors were added to the system to give additional service to suppliers. Simulating the system response to numerous uncertainty is used to evaluate the controller's performance. the controller's efficiency is displayed in Graphical form.

This paper will show how a decentralized method that allows all units to provide active power supports not only adjusts frequency nadir points but also minimizes the amount of active power required in the process. As a result, the electrical pressure on each element that supports the network against the heavy usage of RESs is reduced.

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