Comparison of globally optimized partitioned stator SFPM machines with different stator/rotor pole combinations

Z. Wu; Z. Zhu; D. Evans

doi:10.1109/INTMAG.2015.7157388

Comparison of globally optimized partitioned stator SFPM machines with different stator/rotor pole combinations

Z. Wu, Z. Zhu, D. Evans

University of Sheffield

Research output: Chapter or section in a book/report/conference proceeding › Chapter in a published conference proceeding

Abstract

Partitioned stator (PS) switched flux (SF) permanent magnet (PM) (SFPM) (PS-SFPM) machine is a novel SFPM machine in which the PMs and armature windings are separately arranged in two different stators. It exhibits higher torque density than the conventional SFPM machine with single stator due to the higher utilization of inner space [1]. The PS-SFPM machine has combined synergies of magnetic gear [2] and SFPM machine. Its operation principle is similar to magnetically-geared machine. Electromagnetic (EM) performance of the 12-stator-pole PS-SFPM machines having 10-, 11-, 13- and 14-rotor-pole are compared in [1]. However, they are not globally optimized since they share the same partitioned stator. In this paper, EM performance of these 4 machines are comprehensively compared in detail based on the globally optimized designs for each of the stator and rotor pole number combination for the highest average EM torques. The global optimization is conducted under the rated copper loss p_cu=20W and brushless AC operation with zero d-axis current control.

Original language	English
Title of host publication	2015 IEEE International Magnetics Conference, INTERMAG 2015
Publisher	IEEE
ISBN (Electronic)	9781479973224
DOIs	https://doi.org/10.1109/INTMAG.2015.7157388
Publication status	Published - 1 Jan 2015
Event	2015 IEEE International Magnetics Conference, INTERMAG 2015 - Beijing, China, Beijing, China Duration: 11 May 2015 → 15 May 2015

Conference

Conference	2015 IEEE International Magnetics Conference, INTERMAG 2015
Country/Territory	China
City	Beijing
Period	11/05/15 → 15/05/15

ASJC Scopus subject areas

Surfaces, Coatings and Films
Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

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10.1109/INTMAG.2015.7157388

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title = "Comparison of globally optimized partitioned stator SFPM machines with different stator/rotor pole combinations",

abstract = "Partitioned stator (PS) switched flux (SF) permanent magnet (PM) (SFPM) (PS-SFPM) machine is a novel SFPM machine in which the PMs and armature windings are separately arranged in two different stators. It exhibits higher torque density than the conventional SFPM machine with single stator due to the higher utilization of inner space [1]. The PS-SFPM machine has combined synergies of magnetic gear [2] and SFPM machine. Its operation principle is similar to magnetically-geared machine. Electromagnetic (EM) performance of the 12-stator-pole PS-SFPM machines having 10-, 11-, 13- and 14-rotor-pole are compared in [1]. However, they are not globally optimized since they share the same partitioned stator. In this paper, EM performance of these 4 machines are comprehensively compared in detail based on the globally optimized designs for each of the stator and rotor pole number combination for the highest average EM torques. The global optimization is conducted under the rated copper loss pcu=20W and brushless AC operation with zero d-axis current control.",

author = "Z. Wu and Z. Zhu and D. Evans",

year = "2015",

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doi = "10.1109/INTMAG.2015.7157388",

language = "English",

booktitle = "2015 IEEE International Magnetics Conference, INTERMAG 2015",

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note = "2015 IEEE International Magnetics Conference, INTERMAG 2015 ; Conference date: 11-05-2015 Through 15-05-2015",

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T1 - Comparison of globally optimized partitioned stator SFPM machines with different stator/rotor pole combinations

AU - Wu, Z.

AU - Zhu, Z.

AU - Evans, D.

PY - 2015/1/1

Y1 - 2015/1/1

N2 - Partitioned stator (PS) switched flux (SF) permanent magnet (PM) (SFPM) (PS-SFPM) machine is a novel SFPM machine in which the PMs and armature windings are separately arranged in two different stators. It exhibits higher torque density than the conventional SFPM machine with single stator due to the higher utilization of inner space [1]. The PS-SFPM machine has combined synergies of magnetic gear [2] and SFPM machine. Its operation principle is similar to magnetically-geared machine. Electromagnetic (EM) performance of the 12-stator-pole PS-SFPM machines having 10-, 11-, 13- and 14-rotor-pole are compared in [1]. However, they are not globally optimized since they share the same partitioned stator. In this paper, EM performance of these 4 machines are comprehensively compared in detail based on the globally optimized designs for each of the stator and rotor pole number combination for the highest average EM torques. The global optimization is conducted under the rated copper loss pcu=20W and brushless AC operation with zero d-axis current control.

AB - Partitioned stator (PS) switched flux (SF) permanent magnet (PM) (SFPM) (PS-SFPM) machine is a novel SFPM machine in which the PMs and armature windings are separately arranged in two different stators. It exhibits higher torque density than the conventional SFPM machine with single stator due to the higher utilization of inner space [1]. The PS-SFPM machine has combined synergies of magnetic gear [2] and SFPM machine. Its operation principle is similar to magnetically-geared machine. Electromagnetic (EM) performance of the 12-stator-pole PS-SFPM machines having 10-, 11-, 13- and 14-rotor-pole are compared in [1]. However, they are not globally optimized since they share the same partitioned stator. In this paper, EM performance of these 4 machines are comprehensively compared in detail based on the globally optimized designs for each of the stator and rotor pole number combination for the highest average EM torques. The global optimization is conducted under the rated copper loss pcu=20W and brushless AC operation with zero d-axis current control.

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M3 - Chapter in a published conference proceeding

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BT - 2015 IEEE International Magnetics Conference, INTERMAG 2015

PB - IEEE

T2 - 2015 IEEE International Magnetics Conference, INTERMAG 2015

Y2 - 11 May 2015 through 15 May 2015

ER -

Comparison of globally optimized partitioned stator SFPM machines with different stator/rotor pole combinations

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ASJC Scopus subject areas

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