NDLI: Parameter calculation based on perturbation theory for fault conditions of induction motors

Content Provider	IEEE Xplore Digital Library
Author	Hongzhong Ma Fen Chen Huamin Li Xinrong Ni
Copyright Year	2007
Description	Author affiliation: Hohai Univ., Nanjing (Hongzhong Ma; Fen Chen; Huamin Li; Xinrong Ni)
Abstract	When motor faults (rotor broken-bar, stator turn- to-turn short, etc.) occur in a motor, its internal current distribution and electromagnetic field will change, which will further cause some variations to stator and rotor parameters. In this paper, the method conjoint of Finite Element Method and Energy Perturbation Method is used to calculate the motor's inductance parameter, and finite-element method is used to calculate the gross energy of internal magnetic field, and perturbation theory is used to calculate the motor's inductance parameter. The variation of inductance parameter under fault conditions is analyzed to generalize principles about variation of inductance parameter before and after the fault. From the results we can conclude that the magnetic energy will more and more numerous along with the increasing number of rotor broken-bar, and will become smaller along with the increasing degree of turn- to-turn short. Along with the increasing number of rotor broken- bar, stator winding self-inductance will be influenced little, but the self-inductance would be smaller and smaller along with the increasing degree of stator turn-to-turn short. The calculation parameter in this paper can be used to analysis of motor faults.
Starting Page	1061
Ending Page	1065
File Size	637812
Page Count	5
File Format	PDF
ISBN	9788986510072
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-10-08
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	KIEE
Subject Keyword	Induction motors Rotors Inductance Stators Finite element methods Current distribution Electromagnetic fields Perturbation methods Magnetic fields Magnetic analysis Nomenclature Perturbation theory induction motor fault analysis magnetic energy
Content Type	Text
Resource Type	Article

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