Motors

Motors

Contributors in Motors

Motors

When two or more DC motors are required to operate in parallel - that is, to drive a common load while sharing the load equally among all motors - they should have speed-torque characteristics which ...

part winding start motor

Electrical equipment; Motors

Is arranged for starting by first energizing part of the primary winding and subsequently energizing the remainder of this winding in one or more steps. The purpose is to reduce the initial value of ...

open pipe-ventilated machine

Electrical equipment; Motors

An open machine except that openings for admission of ventilating air are so arranged that inlet ducts or pipes can be connected to them. Air may be circulated by means integral with machine or by ...

open (protected) motor

Electrical equipment; Motors

A motor having ventilating openings which permit passage of external cooling air over and around the windings. The term "open machine", when applied to large apparatus without qualification, ...

positive lubrication system (PLS)

Electrical equipment; Motors

An exclusive Reliance bearing and lubricating system which permits complete lubrication of the bearing whether the motor is mounted vertically or horizontally. This system also helps prevent over ...

multi-speed motors

Electrical equipment; Motors

A motor wound in such a way that varying connections at the starter can change the speed to a predetermined speed. The most common multi-speed motor is a two speed although three- and four-speeds are ...