Machinedesign 6008 Baldordghi Inermot1 0

High-inertia motors

Aug. 30, 2013
New high inertia motors, for driving large axial fans, are designed to withstand temperature rise during start and stall conditions, and have stall times longer than their start times. The motors use optimized rotor bar designs made from materials such as high-resistivity copper alloys. The six to 10-pole motors cover power ranges from 7,000 to 18,500 hp in frame sizes 710 to 900. Voltages can be supplied up to 13.2 kV 60 Hz, with cooling systems available as WPII, TWEAC, and TEAAC.Baldor Electric Co., 5711 R.S. Boreham, Jr. St., Fort Smith, AR 72901, (479) 646-4711,

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