Author(s): Roopa Ravindran, R. R. Lekshmi
Published in: International Journal of Engineering Research & Technology
License: This work is licensed under a Creative Commons Attribution 4.0 International License.
Volume/Issue: Vol.1 - Issue 3 ( May- 2012)
Increasing electrification of daily life causes growing electricity consumption and the rising number of sensitive or critical loads demand for high quality electricity. One of the main problems facing today is that related with the transmission and distribution of electricity. Due to the rapid increase in global energy consumption and the diminishing of fossil fuels, the customer demand for new generation capacities and efficient energy production, delivery and utilization keeps rising. Utilizing distributed generation, renewable energy and energy storage can potentially solve problems as energy shortage. A promising structure to interconnect these distributed energy resources(DER) is the microgrid paradigm. Since microgrid has the ability to generate, distribute and regulate the flow of electricity, this can be thought of as an effective solution to this problem. In this paper, considering the different cases of generation and demand, a Matlab/Simulink model of microgrid is developed, incorporating an energy storage system, such that when the demand is less, the charging of battery takes place and vice versa. Also, depending on the frequency variations, the ON and OFF of the non- critical loads were done automatically and the status of the battery and the different loads are decided by the control unit.
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