Energy efficient standard motor range with 40% less losses
04 December 2012
WEG has launched a new range of motors – the W22 Super Premium – claimed to be the only complete standard range available on the market worldwide that exceeds IE4 regulations.
The W22 Super Premium promisses outstanding performance across the full power range from 3 kW to 355 kW and presents up to 40% less losses compared to previous designs. The three-phase induction motor is based on WEG’s W22 motor mechanical design and is said to be suited to use on fans, blowers, pumps and compressors.
Features include an aerodynamic frame, a redesigned cooling system and unique insulation system, which help make the motor quieter, more reliable, easier to maintain and more cost-effective.
The motor has been designed to have low operating temperatures, increasing the insulation time and resulting in a long service life. The frame and cooling system has been optimised to deliver exceptional airflow to its components, improving operating efficiency even in tough environmental conditions.
It delivers increased lubrication intervals and therefore requires minimal maintenance and servicing. High performance rubber drains allow for easy motor drainage during servicing, and provide high protection at harsh conditions. Special bearing seals also extend the lifetime of the motor in aggressive environments by protecting it against the ingress of water and dust.
It has a flexible terminal box design for the 225 – 355 frame sizes, whereby the terminal can be positioned on the top or side to best suit the application. The W22 Super Premium range is modular, reducing inventory costs for manufacturers by enabling a common motor frame to be used with different types and sizes of terminal boxes.
The motor is robust with solid integrated feet, which provides a tough construction and enables easier installation and alignment. Motors in frame sizes 160 and above are fitted with flat surfaces which allow vibration detectors to be fitted easily, an important advantage for condition monitoring and preventative maintenance schedules.
Suitable for low voltage supplies, the W22 Super Premium motor range covers 2-, 4- and 6-pole motors in frame sizes up to 355. They are designed according to DIN EN 50347 Standard, which means that customers can replace an IE1, IE2 or IE3 motor with total reliability.
“As motors typically run for thousands of hours every year, any gain in efficiency by replacing motors with higher efficiency versions, equates into considerable savings which would pay for the investment in a few years, and in some cases even months,” said Marek Lukaszczyk, european marketing manager at WEG. “The new W22 Super Premium motors allow a low total cost of ownership thanks to its reliability, easy maintenance and energy savings, and enable users to reduce their carbon footprint.”
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