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Power sharing between parallel inverters by using droop control with a secondary control loop

Lookup NU author(s): Li Lei, Dr Mohammed Elgendy, Dr Neal Wade, Dr Salaheddine Ethni

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This is the authors' accepted manuscript of a conference proceedings (inc. abstract) that has been published in its final definitive form by IEEE, 2019.

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Abstract

Analysis of power sharing between parallel gridconnected inverters is a popular topic in the microgrid research area. In this paper, droop control with a secondary control loop is presented for an AC microgrid, to improve the accuracy of power sharing performance between parallel inverters. The secondary control loop calculates the reference active power and reactive power input to P-f/Q-V droop control. The proposed method can be used in microgrids which contain many micro sources and loads variations for both islanding and gridconnected operation modes. A simulation model for a microgrid with three generators is built to test the performance of the proposed control method using MATLAB/SIMULINK platform. Results of the new method are compared with the virtual impedance droop control method to illustrate the advantages of the proposed power-sharing method.


Publication metadata

Author(s): Lei L, Elgendy M, Wade N, Ethni S

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 10th International Symposium on Power Electronics for Distributed Generation Systems (PEDG)

Year of Conference: 2019

Online publication date: 22/08/2019

Acceptance date: 03/06/2019

Date deposited: 08/07/2019

ISSN: 2329-5767

Publisher: IEEE

URL: https://doi.org/10.1109/PEDG.2019.8807661

DOI: 10.1109/PEDG.2019.8807661

Library holdings: Search Newcastle University Library for this item

ISBN: 9781728124568


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