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Estimation of Magnetic Co-Energy in Salient Pole Rotor Type Single Phase SRM  

Kim, Jun-Ho (Dept. of Electrical and Electronic Engineering, Chungnam National University)
Lee, Eun-Woong (Dept. of Electrical and Electronic Engineering, Chungnam National University)
Cho, Hyun-Kil (Dept. of Electrical and Electronic Engineering, Chungnam National University)
Lee, Jong-Han (Dept. of Electrical and Electronic Engineering, Chungnam National University)
Lee, Chung-Won (Dept. of Electrical and Electronic Engineering, Chungnam National University)
Publication Information
KIEE International Transaction on Electrical Machinery and Energy Conversion Systems / v.4B, no.2, 2004 , pp. 47-53 More about this Journal
Abstract
The salient pole rotor type single phase SRM (switched reluctance motor) uses radial and axial direction magnetic flux simultaneously. Therefore, the output power per unit volume is very high and the shaft length is shorter than other types of SRMs with the same output. Furthermore, it can be manufactured with low cost owing to its simple structure and driving circuit. The prototype was designed using the theory of the traditional rotating machine and 3D FEM analysis. On this paper, the experiment apparatus, which includes the fabricated prototype in previous researches, was fabricated to measure the current and voltage of the prototype. Then the flux linkage, inductance and magnetic co-energy were calculated using the experimental results. Finally, the measured magnetic co-energy was compared with the simulated magnetic co-energy.
Keywords
Flux linkage; inductance; magnetic co-energy; salient pole; single phase SRM.;
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