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Type: Conference paper
Title: Output power capability of surface PM generators with switched-mode rectifiers
Author: Pathmanathan, M.
Soong, W.
Ertugrul, N.
Citation: Proceedings of IEEE International Conference on Sustainable Energy Technologies (ICSET) 2010: pp.1-6
Publisher: IEEE
Publisher Place: USA
Issue Date: 2010
ISBN: 9781424471911
Conference Name: IEEE International Conference on Sustainable Energy Technologies (2010 : Sri Lanka)
Statement of
M. Pathmanathan, W.L. Soong and N. Ertugrul
Abstract: Surface permanent magnet (SPM) machines operate with maximum output power for a given current when the induced voltage and the current are in phase. For an SPM generator this is obtained with a leading power-factor load. The inverter topology can achieve a leading input power-factor but this generally requires rotor position information. A lower-cost approach is to use a switched-mode rectifier (SMR) however with conventional modulation control its unity power factor operation results in a lower output power capability, particularly at low speeds. This paper examines performance of phase advance modulation methods to improve the lowspeed output power capability of SPM generators when operated with a SMR. A simplified phase advance modulation called zero-epsilon is proposed. Analytical and simulation approaches are used to understand the fundamental limitations, and the results are then confirmed experimentally.
Keywords: inverter topology
leading power factor load
output power capability
phase advance modulation
rotor position information
surface permanent magnet generators
switched-mode rectifiers
unity power factor
Rights: ©2010 IEEE
DOI: 10.1109/ICSET.2010.5684437
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Appears in Collections:Aurora harvest
Electrical and Electronic Engineering publications
Environment Institute publications

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