Winding Inductances of an Interior Permanent Magnet (IPM) Machine With Fractional Slot Concentrated Winding

Dutta, Rukmi; Rahman, M.F.; Chong, L.

doi:10.1109/tmag.2012.2203140

Cited by 68 publications

(19 citation statements)

References 21 publications

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“…The slot leakage mutual coupling, however, is strong when the coil sides of different phases are located in the same slot. This coupling is much more important and can make up to 50% of the total phase slot leakage inductance [12], [17] depending on the geometry and the winding layout.…”

Section: B Mutual Inductance Between Phasesmentioning

confidence: 99%

“…In [4], the tooth-tip leakage inductance component was omitted from the analysis. In [12], the end-winding leakage inductance and the tooth-tip leakage inductance components were specified using traditional equations applied to the design of integral-slot machines. It is shown that the equations applied in this paper improve the analysis and give accurate results for the inductances of TC-PMSMs.…”

mentioning

confidence: 99%

“…Many of the previous works do not distinguish L h and L m in the air gap, but in these works, the terms "phase self-inductance" L U (which is equivalent to the air-gap inductance L δ ) and "phase mutual inductance" M UV are used instead [12]. In this paper, the synchronous inductance is derived by separating the magnetizing inductance (torque-producing component) and the harmonic leakage inductance in the air gap.…”

mentioning

confidence: 99%

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Inductance Calculation of Tooth-Coil Permanent-Magnet Synchronous Machines

Ponomarev

Alexandrova

Petrov

et al. 2014

IEEE Trans. Ind. Electron.

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Abstract-Analytical calculation methods for all the major components of the synchronous inductance of tooth-coil permanentmagnet synchronous machines are reevaluated in this paper. The inductance estimation is different in the tooth-coil machine compared with the one in the traditional rotating field winding machine. The accuracy of the analytical torque calculation highly depends on the estimated synchronous inductance. Despite powerful finite element method (FEM) tools, an accurate and fast analytical method is required at an early design stage to find an initial machine design structure with the desired performance. The results of the analytical inductance calculation are verified and assessed in terms of accuracy with the FEM simulation results and with the prototype measurement results.Index Terms-Fractional slot winding, inductance calculation, leakage inductance, permanent-magnet synchronous machine (PMSM), tooth coil.

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Section: B Mutual Inductance Between Phasesmentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

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Inductance Calculation of Tooth-Coil Permanent-Magnet Synchronous Machines

Ponomarev

Alexandrova

Petrov

et al. 2014

IEEE Trans. Ind. Electron.

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“…It is impossible to get this information on a commercial machine from the manufacturer. Therefore, measurement methods, such as the ac standstill test [21], [23], or the small-signal perturbation method [14], [15], are preferred by researchers. In the ac standstill test, the neutral line of the stator windings must be available [23].…”

Section: A Model Of a Cwspmsm Considering Multiple Salienciesmentioning

confidence: 99%

Decoupling of the Secondary Saliencies in Sensorless PMSM Drives using Repetitive Control in the Angle Domain

Wu¹,

Chen²,

Qi³

et al. 2016

Journal of Power Electronics

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To decouple the secondary saliencies in sensorless permanent magnet synchronous machine (PMSM) drives, a repetitive control (RC) in the angle domain is proposed. In this paper, the inductance model of a concentrated windings surface-mounted PMSM (cwSPMSM) with strong secondary saliencies is developed. Due to the secondary saliencies, the estimated position contains harmonic disturbances that are periodic relative to the angular position. Through a transformation from the time domain to the angle domain, these varying frequency disturbances can be treated as constant periodic disturbances. The proposed angle-domain RC is plugged into an existing phase-locked loop (PLL) and utilizes the error of the PLL to generate signals to suppress these periodic disturbances. A stability analysis and parameter design guidelines of the RC are addressed in detail. Finally, the proposed method is carried out on a cwSPMSM drive test-bench. The effectiveness and accuracy are verified by experimental results.

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“…The used test is the ac stand still test, as described in [14]. The particularity here is the fact that there is no possibility to change the rotor position, so the measures have been done in a certain position that the analytical investigation will make it possible to determine.…”

Section: Experimental Validationmentioning

confidence: 99%

Analytical characterization of a permanent magnet synchronous machine with fractional slot concentrated windings

Tchiou

Lecointe

Brudny

et al. 2014

2014 International Conference on Electrical Machines (ICEM)

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Φ Abstract -This paper presents an analytical approach to characterize a flux concentration permanent magnet synchronous machines (PMSM) with fractional slot concentrated winding (FSCW). The very particular configuration of the studied machine leads the authors to associate a fictive winding to the stator coils in order to be able to determine the L d and L q inductances. Experimental measurements, done on the prototype at standstill, allow adjusting the analytical model parameters.Index Terms--Analytical method, Flux concentration, fractional slot concentrated winding (FSCW), inductance, magnemotive force (mmf), permanent magnets synchronous machine (PMSM).

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Winding Inductances of an Interior Permanent Magnet (IPM) Machine With Fractional Slot Concentrated Winding

Cited by 68 publications

References 21 publications

Inductance Calculation of Tooth-Coil Permanent-Magnet Synchronous Machines

Inductance Calculation of Tooth-Coil Permanent-Magnet Synchronous Machines

Decoupling of the Secondary Saliencies in Sensorless PMSM Drives using Repetitive Control in the Angle Domain

Analytical characterization of a permanent magnet synchronous machine with fractional slot concentrated windings

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