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Theoretical and Experimental Investigation of Conducted Emissions of a DC Motor

Tang, Tee G. & Ryu, Yeon-Guk (2005) Theoretical and Experimental Investigation of Conducted Emissions of a DC Motor. In 2005 Asia Pacific Symposium on EMC, 6-9 Dec 2005, Taipei, Taiwan.

Abstract

Brush-type DC motors with commutators will generally generate high levels of electrical noise if their circuits are not properly designed and constructed. The generation mechanisms of conducted noise of a low-power DC motor are studied using computer simulation and experimental measurement. Results indicate that the transient noise can contain simultaneously high and low frequency components, which are caused by the interaction of the "break" action of the commutator and the brushes, with the rest of the motor circuit, including the measurement instrument. Both predicted and measured results agree well in identifying the ringing frequencies.

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ID Code: 6772
Item Type: Conference Paper
Keywords: Conducted Emissions, DC Motor, Commutator Noise, Computer Simulation
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > ELECTRICAL AND ELECTRONIC ENGINEERING (090600) > Power and Energy Systems Engineering (excl. Renewable Power) (090607)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Copyright Owner: Copyright 2005 (please consult author)
Deposited On: 23 Mar 2007
Last Modified: 29 Feb 2012 23:17

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