Based on a recent study carried out for the European Union (EU), this paper briefly characterizes the motor electricity end-use consumption in the industrial and in the services sectors, in the EU countries, and estimates the identified electricity savings potential with the application of energy-efficient motor technologies, namely energy-efficient motors, variable speed drives and efficient enduse devices (pumps, fans and compressors). Additionally, there is a detailed presentation of the barriers for the penetration of energy-efficient motor systems, which have been identified in the field, as well as an extensive description of the measures to overcome those barriers and promote energy-efficient motor systems. r
Motive power accounts for over 65% of the average UK industrial electricity bill; however, in the water industry this percentage is nearer to 90%. During 1994, UK industry spent almost £3000 million on the energy used by motors – mainly attributable to AC induction motors, with pumps and fans being the most common motor applications.
Many techniques can be used to reduce the cost of running motors, from simple good‐housekeeping measures to sophisticated electronic controls. This technical note reviews a selection of these techniques using independent case studies from the Department of the Environment's ‘best practice programme’to illustrate the cost savings; the use of software to predict energy savings is also discussed.
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