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News

IE5 permanent magnet motor has lower losses than its predecessor

WEG Electric Motors (UK) : 15 March, 2014  (New Product)
At the Hannover fair this year, WEG is unveiling an IE5 permanent-magnet motor with even lower losses than its predecessor, the W22 Super Premium induction motor. New products also include the W22x explosion-proof motors in efficiency class IE4.
IE5 permanent magnet motor has lower losses than its predecessor
With a rated efficiency of 96.6% and significantly lower losses than IE4 motors, WEG's latest motors are among the first commercially available that conform to the recently formulated criteria for a potential IE5 energy efficiency class. With the launch of the W22 Super Premium family of induction motors in late 2012, WEG was among the first to offer a full range of motors conforming to the as-yet unratified IE4 standard.
 
Another innovation at the fair is the upgraded W22x series of explosion-proof motors, which are now available on request in IE4 versions as well as standard IE2 and IE3 efficiency classes.
 
EU Motor Efficiency Regulation EC 640/2009 stipulates that, starting in 2015 or 2017, IE3 induction motors, or alternatively IE2 motors driven by frequency converters, must be used in most industrial applications. Users can comply with the regulations by opting for a high-performance W22 IE2 motor in combination with a frequency converter in the CFW 11 or CFW 11M series, or by opting for the direct approach of a W22 motor with an IE3 or IE4 rating. Highly energy-aware enterprises can now go even further and choose the new permanent-magnet motor, which has significantly lower losses than the Super Premium model and conforms to the specifications of the potential IE5 regulation.
 
The upgrade of the W22x series of motors for explosion-proof applications is also motivated by considerations of energy efficiency and the Motor Efficiency Regulation. Up to now special applications such as explosion protection have been exempt from the efficiency regulations for standard induction motors. On its own initiative, WEG resolved to give users the option for maximum energy efficiency in this demanding application area as well. Accordingly, the WEG portfolio of explosion-proof W22x motors now has versions conforming to energy efficiency class IE4.
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