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New Analytical Model of Microgrid Frequency and Voltage Variations Due to Network Reconfiguration

Title
New Analytical Model of Microgrid Frequency and Voltage Variations Due to Network Reconfiguration
Authors
Park, Jae-YoungKim, Young-JinLu, Xiaonan
Date Issued
Jan-2021
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Abstract
This letter develops a new analytical model to estimate real-time variations in frequency and voltage in a microgrid (MG), resulting from network reconfiguration (NR). Switching operations are reflected in discrete variations in an MG admittance matrix, leading to step changes in dq-axis node injection currents. The injected current variations can readily be integrated with dynamic operations of distributed generators and voltage-dependent loads, enabling analysis of MG frequency and voltage responses to NR. Case studies are performed to validate the proposed model via comparisons with numerical simulators.
URI
http://oasis.postech.ac.kr/handle/2014.oak/105006
ISSN
1949-3053
Article Type
Article
Citation
IEEE TRANSACTIONS ON SMART GRID, vol. 12, no. 1, page. 905 - 908, 2021-01
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김영진KIM, YOUNGJIN
Dept of Electrical Enginrg
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