Utilization of reluctance torque for improvement of the starting and average torques of a brushless wound field synchronous machine

In this paper, the reluctance torque is utilized for improving the starting and average torques of a conventional brushless wound field synchronous machine (BL-WFSM). The conventional BL-WFSMs have an inherent issue of zero-starting torque. The existing BL topologies use expensive rare-earth permane...

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Veröffentlicht in:Electrical engineering 2021, Vol.103 (5), p.2327-2333
Hauptverfasser: Ayub, Muhammad, Bukhari, Syed Sabir Hussain, Jawad, Ghulam, Arif, Arsalan, Kwon, Byung-il
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container_end_page 2333
container_issue 5
container_start_page 2327
container_title Electrical engineering
container_volume 103
creator Ayub, Muhammad
Bukhari, Syed Sabir Hussain
Jawad, Ghulam
Arif, Arsalan
Kwon, Byung-il
description In this paper, the reluctance torque is utilized for improving the starting and average torques of a conventional brushless wound field synchronous machine (BL-WFSM). The conventional BL-WFSMs have an inherent issue of zero-starting torque. The existing BL topologies use expensive rare-earth permanent magnets (RE-PMs) to improve the starting torque; however, the marker price of RE-PMs fluctuates. Therefore, this paper proposes the use of the reluctance torque for improving the starting and average torques of BL-WFSMs. The winding topology and machine layout are adopted, from recently published work. The suggested approach increases the reluctance effect in BL-WFSM by optimizing the rotor shape. The reluctance effect is optimized, to improve the starting and average torques. The Kriging method and a genetic algorithm are used for the rotor optimization. A two-dimensional finite element analysis confirms the improved starting and average torques based on the increase in the reluctance torque.
doi_str_mv 10.1007/s00202-020-01174-5
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subjects Economics and Management
Electrical Engineering
Electrical Machines and Networks
Energy Policy
Engineering
Engineering, Electrical & Electronic
Finite element method
Genetic algorithms
Optimization
Original Paper
Permanent magnets
Power Electronics
Rare earth elements
Reluctance
Rotors
Science & Technology
Shape effects
Synchronous machines
Technology
Topology
Torque
Two dimensional analysis
title Utilization of reluctance torque for improvement of the starting and average torques of a brushless wound field synchronous machine
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