Bridge Configured Wounded Switched Reluctance Motor

Ahmed, Firdausa; Kumar, Gaurav; Choudhury, Madhurjya Dev; Kalita, Karuna

doi:10.1016/j.proeng.2016.05.091

Cited by 7 publications

(2 citation statements)

References 8 publications

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“…In 2015, the BCW design approach was proposed for ac homopolar machines, and the winding scheme was termed as dual purpose no voltage winding design . In 2016, the concept of BCW was introduced in SRM for both torque and radial force production . In 2017, a design methodology was proposed for proper selection of the geometrical parameters in order to achieve minimum levitation force at every rotor position and reduce the complexities associated with bearingless operation .…”

Section: Introductionmentioning

confidence: 99%

Torque and controllable radial force production in a single winding bearingless switched reluctance motor with a speed controlled drive operation

Ahmed

Kalita

Nemade

2020

Int Trans Electr Energ Syst

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Summary Switched reluctance motors have an innate characteristic of producing significant amount of radial forces during its motoring operation owing to the nonuniformity in the air gap of the motor. This inherent radial force can be properly utilized, if produced using an external power source and controlled actively using a controlled algorithm for bearingless operation of the motor. This paper presents a single set of stator winding called bridge configured winding, which has the ability to generate both torque and radial force. The winding structure forms two sets of terminal connections in each phase's winding, one for the torque production and one for generating controllable radial force for suspension of the motor. The potential paths and commutation period for the winding currents to produce both torque and radial forces are identified, and an analytical model is developed for a 12/8 bearingless switched reluctance motor. The principle and insight of the proposed single winding scheme and its behaviour with the incorporation of the power converter circuits coupled with a speed‐current controlled drive system are analysed using a finite element model for both motoring and radial force production. The finite element–based results are validated with the analytical results obtained.

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Section: Introductionmentioning

confidence: 99%

Torque and controllable radial force production in a single winding bearingless switched reluctance motor with a speed controlled drive operation

Ahmed

Kalita

Nemade

2020

Int Trans Electr Energ Syst

Self Cite

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“…Khoo et al [18] demonstrated the practical implementation of the BCW in a conventional four‐pole permanent magnet motor for producing controllable transverse forces. Ahmed et al [19] first proposed the use of BCW for producing controllable radial force and torque in a 12/8 SRM. Thus, it has been observed that proper structural modifications along with changing the winding excitation scheme of a SRM helps in improving the force and the torque profiles of a bearingless motor.…”

Section: Introductionmentioning

confidence: 99%

Design methodology for a special single winding based bearingless switched reluctance motor

Choudhury

Ahmed

Kumar

et al. 2017

J. eng.

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Design methodology for a special single winding based bearingless switched reluctance motor Abstract: Bearingless switched reluctance motors (BSRMs) have both magnetic bearing as well as conventional motor characteristics which make them suitable for diverse industrial applications. This study proposes a design methodology for a BSRM in order to calculate the appropriate geometrical dimensions essential for realising a minimum levitation force at every orientation of rotor. It is based on the stator-rotor overlap angle and helps in reducing the complexities associated with the self-bearing operation of a switched reluctance motor (SRM). Different from a conventional SRM, the motor under study deploys a special single set parallel winding scheme for simultaneous production of torque as well as radial force. An analytical model incorporating this single set winding is developed for calculating the torque and the radial force. The proposed bearingless design is verified by developing a two-dimensional finite-element model of a 12/8 SRM in ANSYS Maxwell.

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A Study of Passive Control in a Bridge Configured Winding Induction Motor with an Oval-Shaped Stator

Brahma,

Kalita,

Dixit

2024

Lecture Notes in Mechanical Engineering

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Bridge Configured Wounded Switched Reluctance Motor

Cited by 7 publications

References 8 publications

Torque and controllable radial force production in a single winding bearingless switched reluctance motor with a speed controlled drive operation

Torque and controllable radial force production in a single winding bearingless switched reluctance motor with a speed controlled drive operation

Design methodology for a special single winding based bearingless switched reluctance motor

A Study of Passive Control in a Bridge Configured Winding Induction Motor with an Oval-Shaped Stator

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