Estimation of induction machine inductances using three‐dimensional magnetic equivalent circuit | Zendy

Faiz Jawad | Zendy; GhasemiBijan Mahmud | Zendy

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Estimation of induction machine inductances using three‐dimensional magnetic equivalent circuit

Author(s) -

Faiz Jawad,

GhasemiBijan Mahmud

Publication year - 2015

Publication title -

iet electric power applications

Language(s) - English

Resource type - Journals

ISSN - 1751-8679

DOI - 10.1049/iet-epa.2013.0343

Subject(s) - equivalent circuit , inductance , control theory (sociology) , magnetic circuit , computer science , electronic engineering , mathematics , engineering , electromagnetic coil , electrical engineering , artificial intelligence , voltage , control (management)

Estimation of inductances is one of the key points in a successful simulation of induction machines. These inductances are under the influences of different factors, such as winding distribution, stator and rotor slots, skewed slots of rotor, saturation of magnetic materials and asymmetries caused by eccentricities faults. This study introduces a method for a precise estimation of induction machine inductances based on three‐dimensional (3D) modelling using a magnetic equivalent circuit and considering the above‐mentioned factors. Furthermore, in 3D model, the axial flux ignored in the two‐dimensional model, is included. Enhancement of the accuracy of the tooth flux, precise modelling of the air gap and taking into account the skewed slots of rotor are the advantages of the 3D model. Also, the impact of different eccentricities fault upon the estimated inductances of the induction machine is addressed.

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