A new 4/6 pole-changing double layer winding for three phase electrical machines

Melcescu, Leonard; Cistelecan, Mihail V.; Craiu, Ovidiu; Cosan, H. Baris

doi:10.1109/icelmach.2010.5608041

Cited by 28 publications

(15 citation statements)

References 1 publication

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“…Multi-speed squirrel cage induction machines can be used without inverters in several types of cheap and unpretentious electrical drives systems where the machine speed may be changed in steps such as: fans, pumps, drilling machines, food processing machines, etc. [1]- [2].…”

Section: Introductionmentioning

confidence: 99%

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Finite Element Analysis of a Three Speed Induction Machine

Melcescu¹,

Tudorache²,

Popescu³

2024

RE&PQJ

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This paper deals with the Finite Element (FE) analysis of a special Three Speed Squirrel Cage Induction Machine (TSSCIM) with pole changing stator windings. Compared to classical multi-speed induction machines, the studied TSSCIM is designed so as to change in the same time the number of pole pairs (p) and the number of stator phases (m) so as to keep constant the product p x m.The numerical model of the machine used in this study is based on a 2D plane-parallel finite element approach and aims at finding some of the main steady state operation characteristics of the machine working both as motor and generator for three different running speeds.A comparison of the proposed TSSCIM with a classical inverter fed squirrel cage induction machine is also presented in order to underline some advantages and disadvantages of each solution.Finite element analysis, three speed induction machine, steady state characteristics and transient response.

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Section: Introductionmentioning

confidence: 99%

“…An important advantage of this type of machines working as motor is represented by the possibility to obtain different speed ranges only by changing the connexions of the stator windings without using frequency converters [1].…”

Section: Introductionmentioning

confidence: 99%

Finite Element Analysis of a Three Speed Induction Machine

Melcescu¹,

Tudorache²,

Popescu³

2024

RE&PQJ

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“…Since pole-changing techniques can vary the operational frequency, many studies have been reported on their effectiveness [4][5][6][7]. To apply the pole-changing techniques for motors, the motor driven area can be expanded.…”

Section: Introductionmentioning

confidence: 99%

A novel pole‐changing method with multiple three‐phase inverters

Hidaka

Takagi

Komatsu

et al. 2019

IEEJ Transactions Elec Engng

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This paper presents a new pole‐changing method with multiple three‐phase inverters. Since the number of controllable current phases is much larger than that in conventional methods, a higher winding factor can be obtained in both high‐ and low‐pole driving modes. To evaluate the magnetic characteristics of the proposed method, magnetomotive force analysis is conducted based on Fourier series expansion and finite element method (FEM). Moreover, mutual inductance is compared between high‐ and low‐pole drives using FEM. To validate the effectiveness, an efficiency map is evaluated by using a prototype induction motor. © 2019 Institute of Electrical Engineers of Japan. Published by John Wiley & Sons, Inc.

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“…The winding schemes of IPMSM-B, IPMSM-C and IPMSM-D, which have been all obtained from [23], are depicted in Figs. 6,7 and 8, respectively.…”

Section: Ipmsm Structuresmentioning

confidence: 99%

“…Most of the design procedures used for electrical machines are focused on the achievement of a flux density distribution in the air-gap with the lowest possible harmonic content [23]. In this context, particular care should be dedicated to the adequate choice of the winding type and on the calculation of the differential leakage factor, for both cases of symmetrical and dissymmetrical winding configurations.…”

Section: Introductionmentioning

confidence: 99%

Cogging torque comparison of Interior Permanent Magnet Synchronous Generators with different stator windings

Caruso

Tommaso

Mastromauro

et al. 2017

2017 6th International Conference on Clean Electrical Power (ICCEP)

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Abstract-This paper presents the comparison between the cogging torques produced by four IPMSGs (Interior Permanent Magnet Synchronous Generators) with different stator winding configurations. More in detail, an IPMSG model, which is derived from a commercial geometry, is analyzed through means of a FEM (Finite Element Method) approach. Then, three more structures are determined and analyzed by adequately changing the number of stator slots of the basic IPMSG stator structure and by maintaining the same rotor configuration. From the obtained simulation results, the cogging torque components for each structure are determined and compared. From this comparison, it can be stated that the use of dissymmetric windings does not affect significantly the generated cogging torque.

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A new 4/6 pole-changing double layer winding for three phase electrical machines

Cited by 28 publications

References 1 publication

Finite Element Analysis of a Three Speed Induction Machine

Finite Element Analysis of a Three Speed Induction Machine

A novel pole‐changing method with multiple three‐phase inverters

Cogging torque comparison of Interior Permanent Magnet Synchronous Generators with different stator windings

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