EMC Specific Problems of Frequency Converters Used at Interlocking Device

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Date
2009-12
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Mark
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Společnost pro radioelektronické inženýrství
Abstract
The paper deals with problems of electromagnetic compatibility (EMC) of frequency control drive of electromotive switch actuator of railway switch. The frequency converter with Pulse Width Modulation (PWM) and the output sinus filter are used for feeding of the asynchronous motor of the switch actuator. This drive is operated in an insulated system of feeding voltages. The drive is fed by a frequency converter with an unshielded cable with length up to 1.2 km. The EMC problems occurring at development and operating of the drive are analyzed in this paper. The used solution of these problems and experience with EMC of the given system from real operation are described in this paper as well.
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Citation
Radioengineering. 2009, vol. 18, č. 4, s. 606-610. ISSN 1210-2512
http://www.radioeng.cz/fulltexts/2009/09_04_606_610.pdf
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Peer-reviewed
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en
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Creative Commons Attribution 3.0 Unported License
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