Since DC machines require more attention than their AC counterparts ... If you detect threading soon enough, you can machine the commutator in place to restore the finish. Too little brush spring ...

RECENT advances in the application of single-phase alternating currents to electric traction have given rise to a large volume of literature dealing chiefly with the motors employed. The ...

By contrast, when a commutator is used in a generator application, it acts like a rectifier to convert the generated AC voltage of the machine into DC voltage. Brushes, which are usually made of ...

John Bird, Commutator Supervisor at Sulzer’s Birmingham Service Centre looks at the processes involved in delivering a fully refurbished commutator. The first, and possibly most important step ...

Because they have no commutator, brushless motors are more efficient, need less maintenance, and can operate at higher speeds than conventional dc motors. High efficiency and small size are ...