Volume 10, Issue 2 (5-2020)                   JEM 2020, 10(2): 14-25 | Back to browse issues page

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Dodangeh M, Ghaffarzadeh N. Optimal Location of HTS-FCLs Considering Security, Stability, and Coordination of Overcurrent Relays and Intelligent Selection of Overcurrent Relay Characteristics in DFIG Connected Networks Using Differential Evolution Algorithm. JEM. 2020; 10 (2) :14-25
URL: http://energy.kashanu.ac.ir/article-1-966-en.html
Electrical Engeeniering Department, Imam Khomeini International University
Abstract:   (617 Views)
With the rapid growth of wind power plants, different types of these resources are connected to the network at different voltage levels. A number of these resources have DFIG. The development of distributed generation has made problems such as an increased level of short circuit and the loss of protective devices coordination. During the fault occurrence, transient stability may be lost due to drastic changes in speed, power, and rotor angel of synchronous and asynchronous generators. Based on the dependence of resistance and temperature, high-temperature superconducting fault current limiter could decrease the fault current. This paper, after studying the ability of HTSFCL to reduce the fault current and to increase the stability level in PSCAD/EMTDC software, for the first time proposes objective function of HTSFCL optimal location by simultaneously considering security and protection coordination indices, voltage, and transient stability of synchronous and asynchronous generators in the networks connected to DFIG. Optimal location and size of HTSFCL in IEEE 30-bus test network are determined using differential evolution (DE) algorithm in MATLAB while considering single- and multi-objective indices. Also, indices of security, coordination of overcurrent relays, voltage stability, and rotor angel stability are compared in six modes. The achieved results show the applicability of the proposed method.
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Type of Study: Applicable | Subject: Electrical Engineering
Received: 2017/10/4 | Revised: 2020/12/20 | Accepted: 2019/08/24 | Published: 2020/05/30

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