Basic of Motor Control

What is definition of motor control?This is familiar question from electrical person around the world.Motor control is common practice for machine application and industry operation.

Basically motor control definition is to STOP and START the electric motor.Technology and innovation of motor control is always developed to parallel with current application needed.

Motor control have a two basic methods.There is MANUAL control and MAGNETIC control.I describe detail about manual and magnetic control circuit diagram and basic operation. read more

How to service a magnetic contactor?

Magnetic contactor is a familiar device for control electrical motor,pump,capacitor and others.When it operate for long time,the main contact must be checked and cleaned due to sparking current during energized and de-energized.

We also must cleaning the dust or foreign material to avoid magnetic contactor mechanism stuck or cannot function properly.Normally i perform the services and cleaning jobs every 6 months.It depend on operating condition and last services.

During this services,we can checked the condition of contact point either is ok or not good.If the contact already worn or not in good shape,it need to replaced with a new one.It important to ensure the performance and operation is smooth and stable and current can flow through the contact without any problem. read more