Optimum Coordination of Overcurrent Relay Timing Using Simplex Method

被引：49

作者：

Bedekar, Prashant P. ^{[1
]}

Bhide, Sudhir R. ^{[1
]}

Kale, Vijay S. ^{[1
]}

机构：

[1] Visvesvaraya Natl Inst Technol, Dept Elect Engn, Nagpur 440010, Maharashtra, India

来源：

ELECTRIC POWER COMPONENTS AND SYSTEMS | 2010年 / 38卷 / 10期

关键词：

constrained optimization; dual problem; genetic algorithm; overcurrent relay coordination; simplex method; ALGORITHM;

D O I：

10.1080/15325001003652900

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：

This article presents the simplex method for optimum time coordination of directional overcurrent relays. The main contribution of this article is the application of the simplex method in spite of the inherent unsuitability of the problem. This is achieved by applying the simplex algorithm to the dual of the problem. Furthermore, there are reductions in the number of calculations and memory requirement, as the artificial variables need not be introduced. A comparison with other variants of the simplex algorithm and the genetic algorithm is also presented. It has been shown that the proposed method is applicable for finding the optimum coordination, even when a variety of overcurrent relays is present in the system.

引用

页码：1175 / 1193

页数：19

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