Study of broken bars in three-phase squirrel-cage induction motors at standstill

被引：9

作者：

Xie, Ying ^{[1
,2
]}

Gu, Chenglin ^{[2
]}

Cao, Wenping ^{[3
]}

机构：

[1] Harbin Univ Sci & Technol, Sch Elect & Elect Engn, Harbin 150080, Peoples R China

[2] Huazhong Univ Sci & Technol, Sch Elect & Elect Engn, Wuhan 430074, Peoples R China

[3] Newcastle Univ, Sch Elect Elect & Comp Engn, Newcastle Upon Tyne NE1 7RU, Tyne & Wear, England

来源：

INTERNATIONAL TRANSACTIONS ON ELECTRICAL ENERGY SYSTEMS | 2013年 / 23卷 / 07期

基金：

中国国家自然科学基金;

关键词：

induction motors; broken rotor bars; fault diagnosis; magnetic field; finite-element methods; END-RING FAULTS; ROTOR BARS; FINITE-ELEMENT; CHARACTERISTIC PERFORMANCE; SENSITIVE DETECTION; MACHINES; DIAGNOSIS; SIGNATURES; CURRENTS; DRIVE;

D O I：

10.1002/etep.1642

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 paper investigates the characteristic performance of broken bar faults in induction motors at standstill by 2D time-stepping finite-element and experiential approaches. Three identical rotors with the same stator are employed to generate one healthy-rotor, one-broken-bar and two-broken-bar fault cases in a three-phase 1.1-kW squirrel-cage induction motor. The focus is placed on how the broken bar affects air-gap flux density, stator and rotor currents, torque and magnetic force, as well as iron and rotor bar losses. Numerical results are validated by some experimental measurements obtained from a dedicated test rig. Copyright (c) 2012 John Wiley & Sons, Ltd.

引用

页码：1124 / 1138

页数：15

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