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Lookup NU author(s): Dr Wenping Cao
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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.
Author(s): Xie Y, Gu C, Cao W
Publication type: Article
Publication status: Published
Journal: International Transactions on Electrical Energy Systems
Print publication date: 01/10/2013
ISSN (electronic): 2050-7038
Publisher: John Wiley & Sons Ltd.
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