NDLI: Driving System Incorporating Vector Control Inverter for Large-Scale Paper Machine

Content Provider	IEEE Xplore Digital Library
Author	Tanaka, Hiroichiro Nagatani, Yasuo Ehara, Minoru
Copyright Year	1972
Abstract	The sectional drive of paper machines by squirrel-cage induction motors, a dream for many years of drive system engineers, has now been realized. A large-scale printing paper machine, with a 220-in wire width and 2600-ft/min speed, driven by 31 brushless ac motors, including squirrel-cage induction motors, has been in commercial operation for more than one and a half years with excellent performance. In this machine, squirrel-cage induction motors are applied to drive a wire part, a press part, and other parts whose capacity range is 400-750 hp. These motors are powered by current source inverters equipped with newly developed vector control technology. By applying this technology to the paper machine drive system, draw control accuracy of better than 0.02 percent was obtained. Torque sharing control between two induction motors which drive a wire turning roll and a couch roll was realized, and tension control at the calendar part was also realized. Other innovative techniques were also utilized to reduce torque ripple and escape torque resonance between the machine rolls and the motors. This system not only drastically reduces the maintenance work of dc motors but is also often more economical, higher in efficiency, smaller in physical size, and more rigid and resistant to a poor environment. After the success of this paper machine, these technologies are being diversified and applied to all industries, including the iron and steel, film, and the rubber and plastics industries, where conventional dc motors are widely used.
Sponsorship	IEEE Industry Applications Society
Starting Page	450
Ending Page	455
Page Count	6
File Size	4771487
File Format	PDF
ISSN	00939994
Volume Number	IA-19
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1983-05-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Machine vector control Inverters Large-scale systems Paper making machines Induction motors DC motors Wire AC motors Brushless DC motors Torque control
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
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
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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