Papers by Nesimi Ertugrul

Energy savings and greenhouse gas emission reductions are increasingly becoming important design ... more Energy savings and greenhouse gas emission reductions are increasingly becoming important design targets in many industrial systems where fossil fuel based electrical energy is heavily utilised. In water distribution systems (WDSs) a significant portion of operational cost is related to pumping. Recent studies have considered variable speed pumps (VSPs) which aim to vary the operating point of the pump to match demand to pumping rate. Depending on the system characteristics, this approach can lead to considerable savings in operational costs. In particular, cost reductions can take advantage of the demand variability and can decrease energy consumption significantly. One of the issues in using variable speed pumping systems, however, is the total efficiency of the electric motor/pump arrangement under a given operating condition. This paper aims to provide a comprehensive discussion about the components of WDS that incorporate variable speed pumps (including electric motors, variable frequency drives and the pumps themselves) to provide an insight of ways of increasing the system efficiency and hence to reduce energy consumption. In addition, specific attention is given to selection of motor types, sizing, duty cycle of pump (ratio of on-time and time period), losses due to installation and motor faults. All these factors affect the efficiency of motor drive/pump system.
Industry Applications, IEEE …, Jan 1, 2002
Industry Applications, IEEE …, Jan 1, 2002
International Journal of Engineering Education, Jan 1, 2000
… Conference, 2002. pesc …, Jan 1, 2002
Industrial Electronics, IEEE …, Jan 1, 2002
Power Electronics, IEEE Transactions …, Jan 1, 2002
International Journal of Engineering Education, Jan 1, 1998
LabVIEW for Electric Circuits, Machines, Drives, and Laboratories
Library of Congress Cataloging-in-Publication Data Erturgrul. Nesimi. Lab VIEW for electric circu... more Library of Congress Cataloging-in-Publication Data Erturgrul. Nesimi. Lab VIEW for electric circuits, machines, drives, and laboratories / Nesimi Etrugrul. p. cm. (National Instruments virtual instrumentation series) Includes bibliographical references and index. ISBN 0-13-...
Instrumentation and Measurement, …, Jan 1, 2002
Power Electronics, IEEE Transactions …, Jan 1, 2002
Applied Power Electronics …, Jan 1, 2002
Investigation of Interior Permanent Magnet Offset-Coupled Automotive Integrated Starter/Alternator
… , 2001. Thirty-Sixth IAS …, Jan 1, 2002
Abstract : Growing automotive auxiliary electric power requirements have resulted in considerable... more Abstract : Growing automotive auxiliary electric power requirements have resulted in considerable interest in an integrated starter/alternator (ISA). Initial efforts in this area have been focussed on a direct-drive ISA configuration which offers an appealing degree of mechanical ...
Industry Applications, IEEE …, Jan 1, 2004
Power Electronics, IEEE Transactions on, Jan 1, 2003
… , 2005. Fourtieth IAS …, Jan 1, 2005
… . Proceedings of IEEE …, Jan 1, 2002
Australasian Universities Power …, Jan 1, 2003
Investigation of Switched-Mode Rectifier for Control of Small-Scale Wind Turbines
… , 2005. Fourtieth IAS …, Jan 1, 2005
Abstract This paper investigates the suitability and experimental testing of a simple power conv... more Abstract This paper investigates the suitability and experimental testing of a simple power converter for a permanent magnet generator for use with a small-scale variable-speed wind turbine. The controller uses a switched-mode rectifier in conjunction with a high ...
Industrial Electronics, IEEE …, Jan 1, 2002
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Papers by Nesimi Ertugrul