What is Bearing? - Definition and Types of Bearings: Bearings are those parts of a machine which house supports and restrain the rotating parts. The moving part of the bearing…
Types of Motor Enclosures: In order to protect machines against the ingress of dirt and dust or larger foreign bodies like spanners, vermin etc. into it, it is desirable that…
Speed Control of Single Phase Induction Motor: The stator winding of a speed control of single phase induction motor can easily be arranged to give two synchronous speeds, one double…
Speed Control of Three Phase Induction Motor: The problem of speed control of three phase induction motor in particular is of great practical importance. In a number of industries motors…
Constant Current System for Speed Control of DC Motor: For certain services, where there is a possibility of the motors being stalled such as with excavators, ship's windlasses etc. the…
Armature Resistance Control Method of DC Motor: In this armature resistance control method of speed control, reduced speeds are obtained by inserting resistance in the armature circuit. It may be…
Paralleling Field Coils for DC Series Motor: In this Paralleling Field Coils method, used in fan motors, several speeds can be obtained by regrouping of field coils, as illustrated in…
Star Delta Starter Working Principle and Circuit Diagram: This star delta starter method of starting of cage induction motors is based upon the principle that with 3 windings connected in star,…