This article describes the successful repair of a 1,8 MW, 4 pole, 11 kV, 1492 rpm Alstom (France) squirrel cage AC induction motor at Sasol Secunda’s oxygen plant. This particular motor is used to drive an alternator that starts a 36 MW air compressor for the oxygen plant’s starting cycle. There are only two such units at Sasol and hence  a quality repair was critical… (more)