Unsymmetrical short-circuit analysis for distribution system considering loads

被引：16

作者：

Mathur, Akhilesh ^{[1
]}

Pant, Vinay ^{[1
]}

Das, Biswarup ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Elect Engn, Roorkee, Uttar Pradesh, India

来源：

INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS | 2015年 / 70卷

关键词：

Short-circuit analysis; Distribution system; Bus admittance matrix; Unsymmetrical faults; FAULT ANALYSIS;

D O I：

10.1016/j.ijepes.2015.02.003

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Short circuit analysis is an essential tool for determining the short-circuit-current rating of the protective devices and different substation equipments to be installed in a distribution system as well as for co-ordination of the protective devices. Usually, the effect of load is neglected during short-circuit analysis, which introduces inaccuracy in the calculated values of short-circuit current. To address this issue, this paper proposes an efficient and accurate short-circuit fault analysis method for balanced and unbalanced distribution system considering the effect of loads. Comparison of the results obtained by the proposed method with those obtained by time-domain simulation using PSCAD/EMTDC establishes the accuracy of the proposed method. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：27 / 38

页数：12

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