NDLI: Model-based unified technique for identifying severities of stator inter-turn and rotor broken bar faults in SCIMs

Content Provider	IET Digital Library
Author	Sabouri, Mehdi Ojaghi, Mansour Faiz, Jawad Cardoso, Antonio J. Marques
Abstract	Condition monitoring is an essential technology for detecting various incipient defects in electrical machines. Stator inter-turn and rotor broken bar faults are two major faults of the squirrel cage induction motors (SCIMs). Many attempts have been made to provide fault diagnosis systems for detecting the faults individually. This study proposes a novel unified fault diagnosis system for detecting the faults and identifying their exact severities. The system is based on a flexible model of the SCIM and can identify the severities of the faults even if they are presenting simultaneously. Robustness against the motor load change, the unbalance degree of the voltage supply and its distortion are the other merits of the proposed fault diagnosis system. Experimental results under various fault modes and operating conditions demonstrate the effectiveness of the proposed fault identification technique.
Starting Page	204
Ending Page	211
Page Count	8
ISSN	17518660
Volume Number	14
e-ISSN	17518679
Issue Number	Issue 2, Feb (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-epa/14/2
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-epa.2019.0267
Journal	IET Electric Power Applications
Publisher Date	2019-10-04
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Asynchronous Machine Condition Monitoring Electrical Machine Fault Diagnosis Model-based Unified Technique Rotor Broken Bar Fault Identification Technique Rotors SCIM Squirrel Cage Induction Motors Squirrel Cage Motors Stator Interturn Fault Identification Stators Unified Fault Diagnosis System
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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Multiple coupled circuit modelling approach for squirrel cage induction machine under single-broken-bar fault with stator winding functions decomposed in d–q rotor reference frame

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