NDLI: Average Power Factor and Power Efficiency for Traction Duty Cycles

Content Provider	IEEE Xplore Digital Library
Author	Mueller-Hellmann, Adolf Skudelny, Hans-Christoph
Copyright Year	1972
Abstract	The line-side characteristics of ac traction drives are usually specified in terms of the power factor. By standards, this factor is defined for steady state conditions only. An average power factor throughout a load cycle according to the normal operation of a railway drive is presented. Different approaches to an average power factor have been reported in the literature. The approach presented here is based on a physical background. In contrast to previous definitions of an average power factor the new factor has the value of one if and only if constant active power is taken from the supply throughout the load cycle. As the power consumption as a function of time is rather a characteristic of the load cycle than of the power converter it is further suggested that the new average power factor be split into two factors, one specifying the load cycle, the other describing the converter.
Sponsorship	IEEE Industry Applications Society
Starting Page	745
Ending Page	750
Page Count	6
File Size	1769051
File Format	PDF
ISSN	00939994
Volume Number	IA-18
Issue Number	6
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1982-11-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Reactive power Rail transportation Voltage Interference Industry Applications Society Steady-state Energy consumption Traction motors Distortion Power supplies
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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