Symmetrical components and current Concordia based assessment of single phasing of an induction motor by feature pattern extraction method and radar analysis

被引：13

作者：

Chattopadhyay, Surajit ^{[1
]}

Karmakar, Subrata ^{[2
]}

Mitra, Madhuchhanda ^{[2
]}

Sengupta, Samarjit ^{[2
]}

机构：

[1] W Bengal Univ Technol, MCKV Inst Engn, Dept Elect Engn, Howrah 711204, W Bengal, India

[2] Univ Calcutta, Dept Appl Phys, Kolkata 700009, India

来源：

INTERNATIONAL JOURNAL OF ELECTRICAL POWER & ENERGY SYSTEMS | 2012年 / 37卷 / 01期

关键词：

Current Concordia; Feature pattern; Fault diagnosis; Induction motor; Radar analysis; FAULT-DETECTION; DIAGNOSIS; WAVELET;

D O I：

10.1016/j.ijepes.2011.12.002

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

080906 [电磁信息功能材料与结构]; 082806 [农业信息与电气工程];

摘要：

Diagnosis of single phasing of an induction motor has been done by sequence components, stator current Concordia and radar analysis. Conventional sequence component method is first used to detect single phasing of an induction motor by measuring negative sequence components and angle shift of healthy phases. Then, Concordia analysis is done where, stator current Concordia is formed and rule set is developed for detection of single phasing. Concordia at normal condition is circular and that of stator current during single phasing is straight line. Radar analysis is then performed. Radars of stator currents at normal condition give three closed loops having one cleavage and they are located 120 degrees apart from each other. Radars of stator currents at single phasing give three closed loops; two of which have cleavage and the other is circular free from cleavage which corresponds to the faulty phase. Some specific parameters are defined and again radar analysis of these parameters is performed. These radars are of triangular shaped. All Concordia and radar are assessed for diagnosis of single phasing of an induction motor. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：43 / 49

页数：7

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