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BFA winner takes 18,000kW high voltage motor
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August 2007
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WEG has manufactured and supplied a 18,000kW, 4-pole, high voltage (HV) motor to global pump supplier and BFA 2006 winner, Sulzer Pumps, for use in testing large pumps at their test facility in Leeds.
The Sulzer test facility at Leeds is one of over seventeen that the company operates worldwide. The facility offers horizontal, vertical, open pit, high flow rate/high energy and multiphase testing. It has the capability to perform tests at 50 & 60Hz and offers a speciality of Sulzer Pumps: the ability to fully string test large high-energy pumps to prove pump packages to customers without having to build the sets at third party sites. This is particularly important for critical offshore applications where on site correction is both expensive and time consuming. It is a service complemented by the scale of the testing itself, with tests of pumps and compressors absorbing over 25Mw having been undertaken successfully. Sulzer is the only pump manufacturer in the world able to undertake testing on this scale in house.
Because of the need to provide non-stop pump testing, the WEG 18,000kW motor is rated for continuous operation, providing levels of reliability that speak for themselves. The same motor type, from WEG’s M-Line range, is well proven in demanding oil and gas, power generation, steel, water treatment and papermaking sectors, all areas where Sulzer is a leading supplier of centrifugal pumps.
Designed for larger applications in the output range up to 20MW and voltage range to 13,800V, the “M” Line range of motors provide outstanding performance and high efficiency operation. Key to this performance is a design that delivers excellent structural strength and low levels of vibration and noise.
The same design also provides Sulzer with the flexibility for eight different methods of cooling to meet the constraints of individual applications.
In addition to foot- mounted machines, which are available with either grease lubricated rolling, or oil lubricated plain bearings, the “M” Line range also offers vertical shaft flange mounted medium and high voltage motors, which are individually designed to match the external thrust loads of specific applications.
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Author
Chris Rowlands
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