NDLI: Analysis and compensation of beat phenomenon for railway traction drive system fed with fluctuating DC-link voltage

Content Provider	IEEE Xplore Digital Library
Author	Bin Gou Feng, Xiaoyun Song, Wensheng Kun Han Ge, Xinglai
Copyright Year	2012
Description	Author affiliation: Department of Electrical Engineering, Southwest Jiaotong University, Chengdu, 610031, China (Bin Gou; Feng, Xiaoyun; Song, Wensheng; Kun Han; Ge, Xinglai)
Abstract	The configuration of a single-phase AC-DC converter plus a three-phase DC-AC inverter traction system has been widely applied in high-speed railway electrical drive systems. The DC-link voltage contains a ripple component with a twice power line frequency because of the configuration of the single-phase converter. Fed by such a fluctuating DC-link voltage, a severe beat phenomenon of the motor current occurs, which causes torque ripple and a howling noise of the motor, especially when the electric frequency of the motor is in the neighborhood of the DC- link ripple frequency. The origin of DC-link voltage fluctuation and beat phenomena effect are analyzed in detail. For reducing the beat effect of DC-link voltage fluctuation without using an additional resonant filter at DC-link in the traction drive system, a beat-less control scheme based on the frequency modulation and vector control is discussed in detail. Simulation and hardware-in-the-loop (HIL) experimental results confirm the effectiveness and validity of the adopted scheme.
Starting Page	654
Ending Page	659
File Size	591853
Page Count	6
File Format	PDF
ISBN	9781457720857
DOI	10.1109/IPEMC.2012.6258823
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-02
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Inverters Frequency modulation Stators Induction motors Impedance Switches Vector control Traction system beat phenomenon beat-less control
Content Type	Text
Resource Type	Article

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