Design, analysis and prototyping of a low-cost monopole machine

Solmaz Kahourzade, Amin Mahmoudi, Hew Wooi Ping

Research output: Contribution to journalArticlepeer-review


This study presents the design, analysis and prototyping of a low-cost monopole machine capable of battery charging. The designed monopole machine encompasses a rotor disc including eight permanent magnets with the same magnetising direction and a stator consists of a magnetic core and three windings: power coil winding, trigger coil winding and recovery coil winding. This machine includes an electronic circuit as a trigger and a magnetic circuit that converts electrical energy to mechanical energy and vice versa. The machine captures energy in the form of back-electromagnetic force generated by a collapsing field in the stator and rotor to avoid wasting energy and stores it in a battery. To simulate the machine, electromagnetic and electrical analyses were conducted simultaneously to predict the design parameters and machine performance: three-dimensional finite element analysis via Vector Field Opera, and MATLAB/Simulink. To validate the simulation results accuracy, the machine was fabricated and tested. Experimental data were compared with simulation results, and showed good agreement with that of simulation.

Original languageEnglish
Pages (from-to)287-294
Number of pages8
JournalIET Electric Power Applications
Issue number4
Publication statusPublished - Apr 2013
Externally publishedYes


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