IEEE Revises Standard for Efficiency of Induction Motors
Contact:
Karen McCabe, IEEE-SA
Marketing Director
+1 732-562-3824, k.mccabe@ieee.org
PISCATAWAY, N.J., USA,14 May 2009 -- The IEEE has approved a revision to a standard for fan-cooled squirrel cage induction motors.IEEE 841™, "Standard for Petroleum and Chemical Industry - Premium Efficiency Severe Duty Totally Enclosed Fan-Cooled (TEFC) Squirrel Cage Induction Motors - Up to and Including 370 kW (500 hp)," was first published in 2001.
This standard applies to premium efficiency totally enclosed fan-cooled, horizontal and vertical, single-speed, 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 efficiency severe duty motors).
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