Applications of variable speed drive (VSD) in electrical motors energy savings

Saidur, Rahman and Mekhilef, Saad and Ali, Mansouri B. and Safari, Azadeh and Mohammed, Hussein A. (2012) Applications of variable speed drive (VSD) in electrical motors energy savings. Renewable and Sustainable Energy Reviews, 16 (1). pp. 543-550. ISSN 1364-0321

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Most motors are designed to operate at a constant speed and provide a constant output; however, modern technology requires different speeds in many applications where electric motors are used. A variable speed drive (VSD) is a device that regulates the speed and rotational force, or output torque of mechanical equipment. Effects of applying VSDs are in both productivity improvements and energy savings in pumps, fans, compressors and other equipment. Variable speed drive technology and the importance of controlling the speed of existing motors have fascinated many attentions in the last years with the advent of new power devices and magnetic materials. This paper is a comprehensive review on applications of VSD in electrical motors energy savings. The aim is to identify energy saving opportunities and incorporated costs of applying variable speed drives to the existing applications of electrical motors. Subsequently, economic analysis, payback period and the effect of current and voltage harmonics generated by VSDs are presented. Authors are hopeful to provide useful information for future variable speed drive applications like fans, pumps, chillers, ventilators and heaters.

Item Type: Article
Additional Information: Cited By (since 1996): 2 Export Date: 16 November 2012 Source: Scopus CODEN: RSERF Language of Original Document: English Correspondence Address: Saidur, R.; Department of Mechanical Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia; email: References: Schachter, N., Energy Efficient Speed Control Using Modern Variable Frequency Drives, ,, retrieved on 26th October 2010; Solomon, S., (1999) Understanding Variable Speed Drives (Part 2), ,, retrieved on 14th October 2010; (2010) Variable Frequency Drive, ,, VFD retrieved on 18th October 2010; Eknath, S.Y., Variable Speed Drive, ,, retrieved on 26th October 2010; Rashid, M.H., (2001) Power Electronics Handbook, , Academic press Canada; (2010) A Guide to Using Variable Speed Drives and Motors in Hospitals and Healthcare Centers, ,, ABB retrieved on 28th October 2010; Al-Bahadly, I., (2007) Energy Saving with Variable Speed Drives in Industry Applications, , WSEAS Int; (2005) Carrier Operation and Application of Variable Frequency Drive (VFD) Technology, , Carrier Corporation Syracuse New York; Variable Speed Pumping A Guide to Successful Applications, ,, Euro Pump U.S. Department of Energy, Energy Efficiency and Renewable Energy. retrieved on 21st December 2008; Mustaffah, S., Azma, S., (2006) Variable Speed Drives As Energy Efficient Strategy in Pulp and Paper Industry, , Master thesis. 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Uncontrolled Keywords: Applications of VSD, Electrical motors, Energy savings, Variable speed drive, Constant speed, Different speed, Mechanical equipment, Modern technologies, Output torque, Payback periods, Power devices, Productivity improvements, Rotational forces, Variable speed, Voltage harmonics, Economic analysis, Energy conservation, Investments, Magnetic materials, Variable speed drives, Speed.
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Mr Jenal S
Date Deposited: 07 Feb 2013 01:25
Last Modified: 27 Nov 2019 04:40

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