Switching to energy efficient motor driven systems can save europe up to 202 billion kwh in electricity consumption, equivalent to a reduction of 10 billion per year in operating costs for. Systematic intelligent sustainable motor energy efficiency performance management. Energy efficiency in motor driven systems francesco parasiliti. As part of a concerted effort worldwide to reduce energy consumption, co 2 emissions and the impact of industrial operations on the environment, various regulatory authorities in many countries have introduced, or are planning, legislation to encourage the manufacture and use of higher efficiency motors.
Energy efficiency in motor driven systems springerlink. Magnetization losses in the stator and rotor cores cause about a. If these systems operated with the best available technology, about 800 twh of. Energy efficiency 1 energy efficiency in motor driven systems eutwinning project sl04en01 integrated pollution prevention and control ippc peter radgen, dr. Eemods 19 energy efficiency in motor driven systems. Hallouda assessment ofutilizing energy efficient motor drive systems in the egyptian industrial andagriculture sectors 317 policies and international issues p. The audience who will find this guidebook most useful are those that need a basic, nonengineering overview of general purpose motors, motor efficiency, and motor management fundamentals, particularly in the context of optimizing motor system performance.
Motor efficiency coupling efficiency connected pump efficiency throttle versus vsd distrubution system efficiency total efficiency conventional. Energyefficiency policy opportunities for electric motor driven systems international energy agency paul waide and conrad u. Also with high numbers of corporate mergers, losses. In many applications the load factor of the motor will range between 60% to 80%. This paper describes very practical principles of how an induction motor should be designed for converter application. This is a voluntary programme of the european commission focused on improving the efficiency of motor driven systems. Asset, reliability and energy intelligence for motor. The number of motors there are of this exact type, in the area. Automatic motor load and efficiency estimation based upon field. Energy efficiency improvements in electronic motors and. Oecd ilibrary energyefficiency policy opportunities for. Bertoldi european policies and programmes to improve energy efficiency of.
Optimizing your motordriven system electric motor driven systems are estimated to consume over half of all electricity in the united states and over 70% of all electricity in many industrial plants. Abbs drives, motors and control technologies help to lower energy use, either by reducing power consumption. Continuous energy improvement in motor driven systems. Energy efficiency 2 shares of electricity consumption in. Assessment of utilizing energy efficient motor drive systems in the egyptian industrial and agriculture sectors. This book reports the state of the art of energyefficient electrical motor driven. Energyefficiency policy opportunities for electric motordriven systems international energy agency paul waide and conrad u. Electric motors drive both, core industrial processes, like presses or rolls, and auxiliary systems like compressed air generation. Resistance i 2 r losses in the stator windings and rotor bars can constitute up to a 15 percent loss in efficiency in threephase motors. Energy efficiency series electric motor systems annex. Asset, reliability and energy management for motordriven. Request pdf energy efficiency in motor driven systems this book reports the state of the art of energy efficient electrical motor driven system technologies, which can be used now and in the.
Motor management and energy saving by integration of motor. The motor system including upstream components take the example of two 25 hp, offtheshelf, 460 v, 3phase, tefc motors, 250 feet from the load center, running at 75% load, 6,000 hours per year, served by a no. It is about 15% to 30% more than the normal motors. Energy efficient electric motors and their driven systems. A 1 corresponds to a standard efficiency motor, while a 2 corresponds to a high efficiency motor also defined in the codes sheet. It is therefore an effective instrument to detect optimisation potentials for.
Energyefficiency policy opportunities for electric motor. Energyefficiency policy opportunities for electric motordriven systems iea energy papers the international energy agency iea advises its 28 member countries on sound energy policy, which seeks to balance energy security, economic growth and environmental concerns. Iso 50001 energy management and electric motor driven. Discussion of electric motor driven systems beyond meps. The pressure is on for industries to reduce energy consumption, lower carbon emissions and provide secured power supply. Data acquisition table for the annual sales data of electric motors in. Proceedings of the 10th international conference on energy.
Improvements in motor efficiency can be achieved without compromising motor performance at higher cost within the limits of existing design and manufacturing technology. This book reports the state of the art of energy efficient electrical motor driven system technologies, which can be used now and in the near future to achieve significant and costeffective energy savings. This audit guideline for motor driven systems was devel oped within the. In nonslip energyrecovery systems, wrim is usually used for motorstarting but can be. This is measured volts that are measured with an instrumentthis is. Eemods is defined as energy efficiency in motor driven systems conference somewhat frequently. Energy efficiency referencemotors wikibooks, open books. Driven systems, a background paper commissioned by the iea from navigant consulting europe ltd. This fact sheet presents an overview of electric drive systems and highlights common ways you can improve system efficiency and reliability. The efficiency curve of standard motor is drooping in nature i. Motor efficiency, selection, and management xcel energy. In 2000 the european committee of manufactures of electrical machines and power systems cemep issued a voluntary agreement of motor manufactures on efficiency classification with three efficiency classes. An electric motor is an electrical machine that converts electrical energy into mechanical.
Energy efficiency in motor driven systems contributions from research, industries and policymaker. This is particularly relevant in many developing country contexts where. Energy efficiency in motor driven systems request pdf. Standards for increasing the efficiency of motor driven systems. Iso 50001 characterizes significant users also as users with a significant efficiency potential. In future, the initial cost may be available at the same cost as a standard motor when the population of ee motors increases.
Electric motors can be powered by direct current dc sources, such as from batteries. This white paper discusses why efficiency estimation is important. But the energy efficient motors have a flat efficiency curve. European policies and programmes to improve energy efficiency of motor systems.
Brochure boosting industrial profitability with energy efficient drives and motors 7 at the forefront of high efficiency motor development abb motors deliver not only maximum efficiency, but also higher reliability, easier maintenance, and a longer life cycle factors which reduce the overall cost of ownership. I 2 r losses in single phase fractional horsepower motors may be as high as 30 percent. It is crucial to scale up operations and resources committed to. This project is one in a series of sourcebooks on industrial systems. The reference manual motor driven systems for the professional level core module. How is energy efficiency in motor driven systems conference abbreviated. Department of energys doe industrial technologies program itp. Similar to other energy efficiency measures on a larger scale, reducing energy consumption from motordriven systems can therefore have a positive impact on a countrys energy security and dependence on fossil fuel resources such as coal. Motors and systems written for the 7th international conference on energy efficiency in motor driven systems, alexandria va, 2011 eemods11.
Energy efficient high voltage induction motors 305 g. Epa office of air and radiation, 62021 epa 430b97024d, july 1997. Boost energy efficiency in motordriven systems with vacon. We do this by providing timely technical and financial analytics on your equipments energy and reliability operating performance. Other publications in this series cover fan, compressed air, process heating, pumping, and steam systems.
Increased reliability and efficiency should quickly recover price premium source. Improving the efficiency of your motor driven systems. It includes the recent developments in advanced electrical motor enduse devices pumps, fans and compressors by some of the largest manufacturers. To date, energy efficiency opportunities with emds have been relatively neglected in comparison with other sustainable energy opportunities. Usually it is of normal cost and slightly more than the normal motors.
Vacons ac drives play a key role in minimising losses and thus boosting energy efficiency in all motordriven systems. Eemods is an established international conference where policymakers and energy efficiency experts from industry, research labs, universities and standardisation organisations meet every two years to discuss energy efficiency policies and technologies progress in electric motor systems pumps, compressors, fans, drives, and other applications. Motor driven systems conference 30 july 20 alan burrows the motor driven systems mds conference takes to the road in 20 with a series of regional events aimed at helping industry professionals generate huge savings from motor driven apparatus pumps, fans and compressors. Energy efficient electric motors and their driven systems jeffrey sipma, himsarambarita jakarta 050515. Energy efficiency, electric motor driven systems, barriers, technical potentials today industries and commerce in ghana are facing enormous energy challenge. Proceedings of the world congress on engineering 2007 vol i wce 2007, july 2 4, 2007, london, u. Today, igbt transistors are the most widely used as they combine the control. Efficient designs have a comparatively small air gap. Boosting industrial profitability with energy efficient. Energy efficiency 3 overview of saving potentials in motor driven systems measures economic saving potential improvement of drive by use of high efficiency motors 3 % use of variable speed drives 11 % improvement of the system for compressed air supply 33 % for pump systems 30 % for refrigeration systems 18 %. Energyefficiency policy opportunities for electric motordriven systems. Energyefficiency policy opportunities for electric motordriven systems 2011 the energy consumption of motor systems could be reduced by 20 30% by 2030 with appropriate policies, which would reduce global electricity demand by 10%.
Optimizing your motordriven system electric motordriven systems are estimated to consume over half of all electricity in the united states and over 70% of all electricity in many industrial plants. The washington state university wsu energy program offers motor systems management workshops that can help plant engineers, electricians, and maintenance staff as well as facility operators to optimize their motor system effectiveness and efficiency. Continuous energy improvement in motor driven systems disclaimer this publication was prepared by the washington state university energy program and the national renewable energy laboratory for the u. Energy management for motordriven systems energy efficiency. Soares new brazilian dsmprogramfor motor driven system 311 m. The main focus targets the efficiency of the motor and drive. Elkmotor electric motors, electric motors elk motor. The growing importance of electric motor driven systems emods and the need to cope with kyoto commitments require that national and international energy agencies launch wide energy efficiency programmes and setup adequate tools for carrying them out. Energy audits for motor driven systems nachhaltig wirtschaften. Brunner working paper 2011 the views expressed in this working paper are those of the. The new standard en 505982 looks beyond just the motor, creating unified requirements for the energy efficiency of entire motordriven systems. It addresses the differences in motor efficiency ratings, the considerations.
How improving efficiency can reduce costs 1% improvement in efficiency will significantly affect kw savings for a 373 kw motor 500 hp with 94% efficiency at 80% loading required input kw 373kw x 0. An energy audit is a systematic analysis of energy consumption within a defined system in order to evaluate opportunities for improved energy performance. Eff1 for highest efficiency, eff2 for standard efficiency and eff3 for lowest efficiency. Motor efficiency is a factor of a variety of mechanical and electrical imperfections within the motor. Eemods stands for energy efficiency in motor driven systems conference. Motor system technology and options to improve energy efficiency. Efficiency guide and technical reference manual draft. Eemods is an established international conference where policymakers and energy efficiency experts from industry, research labs, universities and standardisation organisations meet every two years to discuss energy efficiency policies and technologies progress in electric motor systems pumps. Policies and programs to promote the large scale penetration of energyefficient technologies and the market transformation are featured in the book, describing the experiences carried out in.