Introduction to ieee 8412001, ieee standard for petroleum. Select at least one product to add to your shopping list. This industry standard created for the petroleum and chemical industry to improve the reliability, efficiency and performance of severe duty motors. Notice that the ieee 841 standard applies to premium efficiency motors, as defined by the national electrical manufacturers association nema. Furthermore, the viewpoint expressed at the time a standard is approved and issued is subject to change brought about through developments in the state of the art and comments received from users of the standard. What new motor standards mean to you about ieee 841 1994. Aehhaeuh ieee 841,nema premium,class 1, division ii, group b, c and d with temperature code t3c. Baldor three phase totally enclosed ieee 841 severe duty motors are designed for use with petrochemical, pulp and paper, cement, aggregate mining and other process industries requiring premium efficient motors designed, manufactured and tested to exceed ieee 841 2009 tefc motor standards. Our line of 841xl motors are designed to meet and exceed the requirements of ieee std. Ieee 841 squirrel cage induction motor electric motors. Ieee std 5221992 revision of ieee std 5221077 ieee. Nema severeduty ieee 841 ac motors rockwell automation. In this article well focus on ieee 841, why it was created and its importance in setting benchmarks for motor. Full compliance with ieee 841, version 2009 meets or exceeds eisa 2007.
The scope includes threephase severe duty tefc squirrelcage induction motors with antifriction bearings in sizes up to and including 370 kw 500 hp and motor. Nema premium ieee 841 motors posted on july 1, 2019 by kurz industrial solutions. You need to select at least 1 product to add in your comparison list. Ieee standard test procedure for polyphase induction motors and. Estimating the performance of old standard efficiency motors.
While nema clearly defi ned and standardized motor ratings and performance, there was no consistent defi nition for motors used in the most severe environments. Excluded from the scope of this standard are motors. The eqp global 841 specifically addresses the needs of the petrochemical industry, where premium performance and reliability are imperative. Backed by its additional standard features, toshibas ieee 841 motor package is the ideal solution for the oil and gas, mining and mineral, and pulp and paper industries. While nema clearly defi ned and standardized motor ratings and performance, there was no consistent defi nition for motors. This standard applies to premium efficiency totally enclosed fancooled tefc, horizontal and vertical, singlespeed, squirrel cage polyphase induction motors, up to and including 370 kw 500 hp, and 4000. Ieee 841 motor test report supplied with each motor.
Search weg ieee std 841 2009nemapremiumefficiency motors with inproseal usaieee841brochureenglish. Selecting nema motors tefc, severe duty, or ieee 841. Baldor three phase totally enclosed ieee 841 severe duty. Join ieee tulsa members and tulsa area engineers to hear sean kelley from dykman electrical, inc. Ieee 8412009 electric motor bearing mechanical scribd. This standard applies to highefficiency tefc, horizontal and vertical, singlespeed, squirrel cage polyphase induction motors up to and including 500 hp, in nema frame sizes 143t and larger, for petroleum, chemical, and other severe duty applications commonly referred to as severe duty motors. Ieee std 8412009 ieee standard for petroleum and chemicallndustrypremium efficiency, severeduty, totally enclosed fancooled tefc. Ieee841 identifies the recommended practice for chemical industry severe duty squirrelcage induction motors, 600 v and below. Severe duty ieee 841 tefc motors introduction sd100 ieee841 rgzeesdx the ieee 841 motors meets or exceeds ieee 841 2001 standards for energy efficiency, high performance, variable speed operation, rugged construction and long service life for the most demanding applications. Ieee std 841 2001 for petroleum and chemical industrysevere duty totally enclosed fancooled tefc squirrel cage induction motors up to and including 370 kw 500 hp revision of ieee std 841 1994. Severe duty ieee 841 tefc motors introduction sd100 ieee841 rgzeesdx the ieee 841 motors meets or exceeds ieee 841 2001 standards for energy efficiency, high performance, variable speed. Introduction to ieee 8412009 for severe duty tefc squirrel cage. Our extensive product portfolio is designed to improve your processes through every stage of your manufacturing cycle from design and installation through operation and maintenance. Motors, totally enclosed fan cooled designed to exceed the industrys most stringent ieee 841 standards, the u.
Introduction to ieee 8412001, ieee standard for petroleum and. Ieee std 8412001 american national standards institute. This practice provides for long motor standards for the chemical process industry standard ieee 841. Manufactured to exceed the industrys most stringent ieee 841 standards, our u. This industry standard created for the petroleum and chemical industry to improve the reliability, efficiency and performance of severe duty motors used in those applications. This standard specification describes the requirements for the contractor to overhaul ashore. The ieee 841 specification covers 1500 horsepower 2, 4, 6, and 8 pole motors. Weg ieee 841 motors tefc are premium efficient motors designed for demanding applications requiring severe duty long life motors. Request pdf introduction to ieee 8412009 for severe duty tefc squirrel cage induction motors up to 370 kw 500 hp ieee 8412009, ieee standard for.
Eqp global 841 motors drives toshiba international. Ieee std 841, 2009, premium efficiency severe duty totally enclosed fancooled tefc squirrel cage induction motors. Siemens industry catalog drive technology motors lowvoltage motors standard industrial motors nema standard motors. For extreme applications in the process industries such as chemical plants, pulp and paper mills, refineries, aboveground mines, food processing, foundries, and other severe duty environments where long life and ultrahigh efficiency are required. What new motor standards mean to you machine design.
Ieee 841 package medium voltage motor ip55 degree of protection for motor. Motor standards for the chemical process industry standard ieee. Looking for ways to improve motor safety, reliability, and efficiency. C ambient design features c3 clearance open bearings with regreaseable provisions polyrex em grease aluminum rotor up to 5000 frames. The advantage plus ieee 841 motors are engineered to operate many types of machinery in diverse industrial environments. Premium efficient motors ieee 841 severe duty energy. Ieee 841 motors, sometimes referred to as nema premium, are the globally accepted standard for motors being uses in the most extreme conditions. This newest specification from ieee offers more than suggestions. Building on over 20 years of success with our eqpiii motor series, the eqp global 841 features design enhancements on the rotor, frame, brackets, fan, and bearings this cuttingedge motor product line is designed to meet or exceed the competitive. Making the right choice for low voltage motors can greatly affect total cost and reliability. In 2016, the department of energy doe issued the integral horsepower motor final rule, which mandates that all industrial electric motors from 1 to 500 hp, manufactured after june 1, 2016, must meet nema premium efficiency standards. A standard that works for many years industrial motor users struggled with properly specifying motors for their most severe applications. Premium efficiency motor selection and application guide.
Premium efficiency motor selection and application guide i acknowledgments the premium efficiency motor selection and application guide and its companion publication, continuous energy improvement in motor. These motors are named not just for meeting the rigid ieee 841. Backed by its additional standard features, toshibas ieee 841 motor package is the ideal solution for the oil and gas, mining and mineral, and pulp and paper. All of the motors were horizontal, three phase, 60 hz, four pole, and 460 v except one that was 575 v. This left users without a measurable standard to specify a motor, and exposed to the danger of not knowing when to choose a severe duty motor. Coppercopper alloy 5800 and larger vibration signature shipped with motor. This standard applies to premium efficiency totally enclosed fancooled tefc, horizontal and vertical, singlespeed, squirrel cage polyphase induction motors, up to and including 370 kw 500 hp, and 4000 volts in national electrical manufacturers association nema frame sizes 143t and larger, for petroleum, chemical, and other severe duty applications commonly referred to as. Ieee standard for petroleum and chemical industrypremiumefficiency, severeduty, totally enclosed fancooled tefc squirrel cage induction motors up to and including 370 kw 500 hp ieee on. This standard applies to premium efficiency totally enclosed fancooled tefc, horizontal and vertical, singlespeed, squirrel cage polyphase induction motors, up to and including. Continuous duty fully compliant with ieee 841 standard class f insulation 40.
Ieee 841 applies to motors 500hp and above true or false. Standard class b or class f insulations are considered generally adequate to resist the oil and moisture atmospheres intended to be covered by this specification. Vertical holloshaft motors require special consideration. Ieee draft standard for petroleum and chemical industrypremiumefficiency, severeduty, totally enclosed fancooled tefc squirrel cage induction motors. Index termsefficiency, ieee standard 8412001, motor. There are so many types and manufacturers of motors that. The ieee 841 2009 standard, which addresses premium efficiency, severe duty, totally enclosed fancooled tefc, squirrelcage induction motors. Standard ieee 841 information and recommendations for the engineer fe2100 fan engineering. Ieee 841 1994, ieee standard for petroleum and chemical industry severe duty totally enclosed fancooled tefc squirrelcage induction motors up to and including 500 hp, issued in 1994, has been updated and improved. Api 541 5th edition understanding the changes and updates to one of the petroleum industrys premier specifications bart sauer siemens industry, inc. This standard applies to premium efficiency totally enclosed fancooled tefc, horizontal and vertical, singlespeed, squirrel cage polyphase induction motors, up to and including 370 kw 500 hp, and 4000 volts in national electrical manufacturers association nema frame sizes 143t and larger, for petroleum, chemical, and other severe duty applications commonly referred to as premium. Ieee standard 841 2009 severe duty, tefc, squirrel cage motors up to and including 370 kw 500 hp purpose of ieee 841 define an industry acceptable severe duty motor. Ieee 841 motors are designed for the petrochemical and chemical industries. Ieee std 1122004, ieee standard test procedure for.
This introduction is not part of ieee std 1122004, ieee standard test procedure for polyphase induction motors. Ideally, motors that comply with the ieee 841 standard. Advantage plus ieee 841 tecowestinghouse motors canada. The ieee 841 2009 standard, which addresses premium efficiency, severe duty, totally enclosed fancooled tefc, squirrelcage induction motors up to. Product brochure nema supere premium efficient motors. Ieee 841 ieee draft standard for petroleum and chemical industrypremiumefficiency, severeduty, totally enclosed fancooled tefc squirrel cage induction motors up to and including 370 kw 500 hp standard by ieee. Siemens meets or exceeds industry preferred standards. Above deck totally enclosed, cast iron construction only this is what is termed a waterproof motor. Each motor manufacturer defined severe duty motors differently. The ieee 841 standard applies to highefficiency totally enclosed fancooled, horizontal and vertical, single speed, squirrel cage polyphase induction motors, up to 370kw 500hp in the nema. Ieee 841 features tecowestinghouse motors canada inc. The nominal efficiencies of these motors from most manufacturers comply with nema premium.
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