Recommended Practice for the Repair of Rotating Electrical Apparatus outlines practices to be followed to maintain motor ...

The Electrical Apparatus Service Association (EASA) has published ANSI/EASA AR100-2025, the updated edition of the only ...

DC machines can be classified as self-excited, separately excited, permanent magnet (PM), and brushless. Self-excited machines can be further classified as shunt, series, and compound. Compound ...

LH Marthinusen (LHM), a division of ACTOM (Pty) Ltd, is a leading repairer of transformers and large rotating machines and manufacturer of specialised transformers, recently completed a complex repair ...

DC Motors were king in industry up until the late 1980s; These motors were popular because they were able to run to a variable speed setpoint, and they could run at full torque from stall to base ...

A synchronous and synchronous motors are the two main categories of ac motors. The induction motor is a common form of asynchronous motor and is basically an ac transformer with a rotating secondary.