High Torque Flux Switching Permanent Magnet Machine in Segmented Outer Rotor using Appropriate Split Ratio for Electric Scooter Propulsion

Recently, permanent magnet synchronous machine (PMSM) having the diameter of 11inches was successfully developed and installed in electric scooter vehicle (ESV) for propulsion. It consists of segmented stators of 24 armature slots and 100 pieces of permanent magnet of 2 kg weight mounted on rotating...

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Main Authors: Mbadiwe I, Enwelum (Author), Sulaiman, Erwan (Author), Zarafi, Ahmad Md (Author), Rahimi, Siti Khalidah (Author)
Format: EJournal Article
Published: Institute of Advanced Engineering and Science, 2017-12-01.
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LEADER 02547 am a22002893u 4500
001 IJPEDS_8589_7774
042 |a dc 
100 1 0 |a Mbadiwe I, Enwelum  |e author 
700 1 0 |a Sulaiman, Erwan  |e author 
700 1 0 |a Zarafi, Ahmad Md  |e author 
700 1 0 |a Rahimi, Siti Khalidah  |e author 
245 0 0 |a High Torque Flux Switching Permanent Magnet Machine in Segmented Outer Rotor using Appropriate Split Ratio for Electric Scooter Propulsion 
260 |b Institute of Advanced Engineering and Science,   |c 2017-12-01. 
500 |a https://ijpeds.iaescore.com/index.php/IJPEDS/article/view/8589 
520 |a Recently, permanent magnet synchronous machine (PMSM) having the diameter of 11inches was successfully developed and installed in electric scooter vehicle (ESV) for propulsion. It consists of segmented stators of 24 armature slots and 100 pieces of permanent magnet of 2 kg weight mounted on rotating rotor. Upon the huge amount of materials and permanent magnet used, PMSM produced 110Nm only. Looking at the size, this torque is low and could not sustain acceleration for long distance travels. To overcome the challenge of low torque, this paper presents a new machine type, flux switching motor (FSM) with 1 kg weight of permanent magnet flux source employing segmented outer rotor.  Six ranges of split ratio of 0.80-0.85 for outer rotor 24slot-14pole FSPM motor configurations were designed and compared. The 2D-FEA by JMAG software version 14 is used to examine its performance in term of flux linkage, cogging torque, back-emf and average torque which the structure with split ratio of 0.85 took lead by securing highest torque profile of 209Nm. It also achieved low cogging torque to operate in safe region. In conclusion, appropriate split ratio significantly enhances high torque capability of permanent magnet flux switching motor for electric scooter propulsion. 
540 |a Copyright (c) 2017 Institute of Advanced Engineering and Science 
540 |a http://creativecommons.org/licenses/by-sa/4.0 
546 |a eng 
655 7 |a info:eu-repo/semantics/article  |2 local 
655 7 |a info:eu-repo/semantics/publishedVersion  |2 local 
655 7 |2 local 
786 0 |n International Journal of Power Electronics and Drive Systems (IJPEDS); Vol 8, No 4: December 2017; 1642-1649 
786 0 |n 2722-256X 
786 0 |n 2088-8694 
786 0 |n 10.11591/ijpeds.v8.i4 
787 0 |n https://ijpeds.iaescore.com/index.php/IJPEDS/article/view/8589/7774 
856 4 1 |u https://ijpeds.iaescore.com/index.php/IJPEDS/article/view/8589/7774  |z Get Fulltext