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Proportional Reactive Power Sharing Using Advanced Droop Control Method

Journal: International Journal of Trend in Scientific Research and Development (Vol.2, No. 5)

Publication Date:

Authors : ;

Page : 164-171

Keywords : Select Subject Micro grid; Droop control; Distributed Generation; reactive power sharing; self frequency control;

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Abstract

Microgrids are nowadays used to produce electric energy with more efficiency and advantage. However, the use of microgrids presents some challenges. One of the main problems of the microgrids widely used in electrical power systems is the control of voltage, frequency and load sharing balance among inverter- based distributed generators (DGs) in islanded mode. Droop method performance degrades when the feeder impedances of two DGs are different and thereby, further modification is required. In this paper, a new method based on virtual impedance and compensating voltage is proposed and simulation results show that this method combined with droop control results in balanced power sharing with negligible voltage and frequency drop. Simulation results have been extracted from the Simulink, MATLAB and showed that the proposed method has a good performance in equal load sharing between two DGs with different feeder impedances; both in equal and different droop gains, and with different loads such as nonlinear or unbalanced ones. Miss. Priya S. Sonekar | Sagar B. Kudkelwar"Proportional Reactive Power Sharing Using Advanced Droop Control Method" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-2 | Issue-5 , August 2018, URL: http://www.ijtsrd.com/papers/ijtsrd15793.pdf http://www.ijtsrd.com/-/-/15793/proportional-reactive-power-sharing-using--advanced-droop-control-method/miss-priya-s-sonekar

Last modified: 2018-09-26 21:15:47