Results 261 to 270 of about 74,738 (303)

AC tube mill and drive control system

Proceedings of 1994 IEEE Industry Applications Society Annual Meeting, 1994
AC vector drive technology, which has been used successfully in the paper industry, has not caught on in the steel industry. Atlas Tube in Harrow, Ontario has installed the first major tube mill (converting flat rolled steel coils into welded tube of various shapes) using this technology.
A. Zekelman, B. Sampson, M.J. Webb
openaire   +1 more source

Six-Phase Machine Drive System With Reversible Parallel AC–DC–AC Converters

IEEE Transactions on Industrial Electronics, 2011
This paper proposes a reversible six-phase machine drive system. It is composed of two parallel three-phase to three-phase dc-link converters without isolation transformers. The proposed topology permits one to reduce the harmonic distortion in the input converter and decreases the power processed by converter switches.
Euzeli C. dos Santos, Cursino Brandão Jacobina, Nady Rocha, Edison R. C. da Silva   +3 more
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Main drive system for the first AC drive diesel locomotive in China

Proceedings IPEMC 2000. Third International Power Electronics and Motion Control Conference (IEEE Cat. No.00EX435), 2002
According to the design requirements of the first AC drive diesel locomotive in China, this paper probes into the design technology of the AC-DC-AC traction system. Problems in system design concerning the matching of the inverter and asynchronous traction motor as well as the effects caused by difference of wheel diameters are discussed.
null Lian-Gen Liu, null Jirong Huang
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AC motor drive systems with a reduced-switch-count converter

IEEE Transactions on Industry Applications, 2002
This paper proposes two reduced switch count AC drive systems. One of the configurations was conceived for drives based on two-phase motors and the other for three-phase motors. The drive system provides both bidirectional power flow and power factor control.
C.B. Jacobina, M.B.de R. Correa, A.M.N. Lima, E.R.C. da Silva   +3 more
openaire   +1 more source

Digital quasi-random modulated SFAVM PWM in an AC-drive system

IEEE Transactions on Industrial Electronics, 1994
A main research topic in PWM-VSI inverter-driven electrical machines is to reduce the generated acoustic noise which often is dominated by a multiple of the switching frequency in the inverter. This paper proposes a modulation scheme for reducing the acoustic noise effect from an AC machine which can be implemented digitally for low and high ...
John Kim Pedersen, Frede Blaabjerg
openaire   +2 more sources

Marine AC high-capacity drive experiment system

2010 International Conference on Computer, Mechatronics, Control and Electronic Engineering, 2010
With ac drive system holding dominant status in marine application field, an energy-fed high-capacity AC drive experimental system was proposed for testing different ac drive systems and offsetting the shortcomings of home and abroad drive systems. The system is made up of load subsystem and tested drive subsystem, which resolved the replacement of ...
null Aidi Shen, null Hui Huang, null Wei Kang   +2 more
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Justification for AC vs. DC drive systems

Conference Record of 1991 Annual Pulp and Paper Industry Technical Conference, 2002
It is pointed out that AC variable-speed drives are seeing more widespread use in the pulp and paper industry. This is due to the reliability and low cost of the AC induction motor, combined with the recently improved economy and performance of AC drives.
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Feedback interconnected systems: Robots with AC drives

1998
Throughout the book we have stressed the fact that PBC is compatible with one of the important viewpoints of systems theory that complicated systems are best thought of as being interconnections of simpler subsystems, each one of them being characterized by its dissipation properties. This aggregation procedure has three important implications.
Romeo Ortega, Antonio Loría, Per Johan Nicklasson, Hebertt Sira-Ramírez   +3 more
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SEMAS: A new simulation module for AC drive systems

Canadian Journal of Electrical and Computer Engineering, 1993
The paper presents an adaptation of the general-purpose SIMNON software for the study of alternating-current drives. With the objective of designing and dimensioning converter-AC machine-regulator systems, a simulation module named SEMAS is constructed in modular form using SIMNON.
A. Ba-Razzouk, K. Debebe, T. Rafesthain, V. Rajagopalan   +3 more
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An AC Electric Drive System as Applied to a Tracked Vehicle

SAE Technical Paper Series, 1969
<div class="htmlview paragraph">An a-c electric drive system was installed and operated in a fully tracked, 12-ton military personnel carrier. The system consists of a conventional design 400 Hz brushless alternator, 2 d-c-link inverters using high power SCR's, 2 a-c induction motors, and the associated control circuitry.</div> <div ...
J. A. Kirtland, D. C. Andrus, W. Slabiak
openaire   +1 more source