Innovation for Every Engineer.
Home  Blog
Contactor ProfileAs an enssitial part of the motor control gear,the most widespead switching device used in a starter is the a,c. airbreak contactor which consists of contact assemblies actuated by electromagnetic action.An operationg coil is enclosed by the magnetic yoke,as well as  when energized attracts an armature to which is attached a set of moving contacts which make with a set of stationary contacts. Modern contactors use a silver alloy contact tip, normally silver–cadmium oxide or ...
This article introduces stepper motor at full length.There are five parts of this article--the definition of stepper motor; types of steppers; how a stepper motor work; how to select and the basic wiring.What is a stepper motor?A Stepper Motor or a step motor is a brushless, synchronous motor which divides a full rotation into a number of steps. Unlike a brushless DC motor which rotates continuously when a fixed DC voltage is applied to it, a step motor rotates in discrete step angles. The Stepp ...