Analysis of a three-phase induction machine including time and space harmonic effects: the a, b, c reference frame

Neto, Luciano Martins; Camacho, J.R.; Salerno, C.H.; Alvarenga, Bernardo Pinheiro de

doi:10.1109/60.749151

Cited by 39 publications

(10 citation statements)

References 1 publication

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“…So the net mutual flux between phase q and r is determined by the equation (9). (9) Limits for integration are given as (10) and (11) Equation (8) is the harmonic flux linkage between any two phases which includes the term of harmonic flux density, it is dependent on harmonic MMF.…”

Section: Mmf Placement In the Spacementioning

confidence: 99%

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Modeling of 3-phase induction motor including slot effects and winding harmonics

Mishra

Rajpurohit

2014

2014 6th IEEE Power India International Conference (PIICON)

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In this paper induction motor model has been developed in three phase frame of reference. A qualitative and analytical approach has been adopted to consider the effects of rotor and stator slots with winding harmonics. Chronological inclusion of rotor slot effects and winding harmonics establishes the model. This order builds up the self and mutual inductance matrices which are the key variables used in voltage and current equations. An iterative algorithmic approach is used to solve these six voltage current differential equations and two motor dynamics equations which determines the response of the induction motor. Model has been excited with sinusoidal input only to demonstrate the effect of winding and slot harmonics.

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Section: Mmf Placement In the Spacementioning

confidence: 99%

“…Self inductances and the mutual inductances can be directly connected with the findings of the winding formations. Different types of winding corresponds to different types of pitch and belt factors [9].…”

Section: Effect Of Winding Harmonicsmentioning

confidence: 99%

Modeling of 3-phase induction motor including slot effects and winding harmonics

Mishra

Rajpurohit

2014

2014 6th IEEE Power India International Conference (PIICON)

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“…The advantage of the proposed method is that the space and time harmonics effect can be taken into account in order to obtain accurate results. These harmonics modify the harmonic content of the stator current which can be used for the diagnosis of IM . On the other hand, some techniques can be introduced to include skewing effect, slotting effect, and magnetic saturation to the basic coupled circuit's theory .…”

Section: Introductionmentioning

confidence: 99%

New approach for the modeling of induction machines operating under unbalanced power system

Kouchih

Boumalha

Tadjine

et al. 2016

Int. Trans. Electr. Energ. Syst.

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In this paper, a new analytical method for the modeling of the star connected induction motors operating under unbalanced power supply is developed using coupled circuits theory. This method takes into account the increase of the common point voltage during unbalanced supply conditions. The equations, which describe the state model as well as the calculation of machine inductances, are presented. The calculation of inductances is based on the magnetomotive force distribution through the machine air-gap. The advantages of the proposed method are multiple. The space and time harmonics can be taken into account. It can also be extended for the analysis of faulty induction machines. Magnetic saturation, skin effect, skewed rotor, and slotting effects can be integrated in the calculation of the machine inductances by introducing some techniques to the basic coupled circuit theory. This method reduces strongly the time simulation because of the simple numerical representation of the inductances and their derivatives. The obtained results show good agreement with other results, which have been obtained using finite elements method and symmetrical components approach. The particularity of this work is that it takes in consideration the increase of the common point voltage during unbalanced supply conditions. Simulation results show the consistency and the applicability of the proposed method for the modeling of induction motors operating under unbalanced power system.

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“…For this purpose, we have to elaborate a model which enables us to predict the performances and to extract fault signatures on machine characteristics. In a real machine, the harmonics in the magnetomotive force (MMF) have a significant detrimental effect on the performances of the machine [7]. Particularly, they influence the harmonic content of the stator currents which can be used for monitoring or for fault tolerant control of IM.…”

Section: Introductionmentioning

confidence: 99%

Vector fault tolerant control of induction motor drives subject to stator interturn faults

Kouchih

Hachelaf

Boumalha

et al. 2014

2014 16th International Power Electronics and Motion Control Conference and Exposition

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The paper describes a vector fault tolerant control of squirrel cage induction machines (IM). The field oriented control (FOC) was combined to robust sliding mode control (SMC). This last is a technique to adjust feedback by previously defining a surface. The controlled state variables will be forced to move on this surface, then the behavior of the machine slides to the desired equilibrium point. We have taken the stator interturn fault, which is the most frequently encountered in practice. An analytical method for the modelling of this fault has been presented including space harmonics effect. This method is based on the calculation of the magnetic field distribution through the machine air-gap. The obtained model is less complicated to be implemented for condition monitoring or to validate fault tolerant control algorithms. Simulation results show, on the one hand that the proposed control scheme provides highperformance dynamic characteristics, and on the other hand the applicability and the tolerance of this control.

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Analysis of a three-phase induction machine including time and space harmonic effects: the a, b, c reference frame

Cited by 39 publications

References 1 publication

Modeling of 3-phase induction motor including slot effects and winding harmonics

Modeling of 3-phase induction motor including slot effects and winding harmonics

New approach for the modeling of induction machines operating under unbalanced power system

Vector fault tolerant control of induction motor drives subject to stator interturn faults

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