Volume 12, Issue 1 (4-2022)                   JEM 2022, 12(1): 28-41 | Back to browse issues page


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Mohammadniaei M, Namdari F, shakarami M R, Hatamvand L. A Nonlinear Voltage Stability Index Based on Vector Analysis Method and Measurements of Active and Reactive Powers of Power System. JEM. 2022; 12 (1) :28-41
URL: http://energy.kashanu.ac.ir/article-1-1001-en.html
Faculty of Engineering, Lorestan University, Khorramabad
Abstract:   (1779 Views)
This paper proposes a new voltage stability assessment method based on the vector analysis method. This index extraction process relies on the measurement of active and reactive powers from connected buses to generator buses. Therefore, a limit for the beginning of voltage collapse is determined based on the maximum power transfer theory. Furthermore, when the system requires load shedding, a new voltage-frequency load shedding is employed. This load shedding makes the voltage and frequency stabilities to be guaranteed via clustering all loads as allowable and unallowable while prioritizing allowable cases. Simulation results in DIGSILENT Power Factory software on IEEE-39 bus dynamic test system demonstrate the efficiency of proposed approach with respect to other methods.
Full-Text [PDF 3516 kb]   (382 Downloads)    
Type of Study: Research | Subject: Electrical Engineering
Received: 2017/11/18 | Revised: 2022/06/15 | Accepted: 2021/01/23 | Published: 2022/03/1

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