NDLI: Reactive Power Compensating Device for High Power Windings Rotor Induction Motor

Content Provider	IEEE Xplore Digital Library
Author	Xiao, Hui-rong Chen, Xiaohua Zhu, Quanshui
Copyright Year	2007
Description	Author affiliation: College of automation, Nanchang Hangkong University, 696 Fenghe Avenue, Nanchang 330034, China (Xiao, Hui-rong; Chen, Xiaohua; Zhu, Quanshui)
Abstract	This papers present how a capacitive voltage source is connected in series to the rotor of induction motor to improve power factor, reduce stator current, and improve efficiency and ability of overloading. The principle of the reactive power compensating device for windings rotor induction motor based on AC-AC cycloconverter is described. A single phase to three phases AC-AC cycloconverter is adopted in order to produce capacitive voltage, which make the circuit simple and capacity of transformer much decremented. Using 89S52 sing-chip microcomputer as the control core. The system is capable of the protecting functions of over current, over temperature, lack of phase and running state's control of the motor. The system was tested on a JR138-8 motor. The result shows that the power factor is over 0.95 and the current of the stator reduces over 15%. The system can be widely applied to large and medium-sized winding asynchronous motors in the fields of building materials, chemical industry, chemical fertilizer, paper making, pharmacy, metallurgical industry.
Starting Page	1
Ending Page	4
File Size	1653026
Page Count	4
File Format	PDF
ISBN	9781424411177
DOI	10.1109/SOLI.2007.4383916
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-08-27
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Reactive power Chemical industry Stator cores Induction motors Circuits Power system protection Rotors Voltage Microcomputers Transformer cores
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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