WEG Designs Slip-Ring Motor For Compressor Testing
WEG has supplied a 45-tonne, 14,000kW, 10,000V high-voltage slip-ring motor for the testing of large radial, axial and geared compressors at the Man Turbo Oberhausen plant. Designed and manufactured by WEG to customer specifications, the M-Line slip-ring motor has a robust design that enables it to provide reliable operation under severe test conditions. The motor has two conical shafts, allowing the connection of steam turbines or expanders to the second shaft end, raising its mechanical transfer rating to 20,000kW. The largest motor ever built by WEG is a slip-ring machine, which is used in a wind tunnel for testing aircraft at high Mach numbers. This motor, a 27,000kW, 12-pole, 11kV machine, is 7m (l) x 5m (w) and weighs over 93 tonnes. The increased power required for its operation meant that it needed its own 132kV grid connection. WEG was able to provide a total solution based around this requirement, by supplying a 35MVA 11/132kV transformer with auto-tap changer. The Man Turb...