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Category : Electrical Machines

Electrical Machines

Stepper Motor Basics, Types, Modes, Wiring, Questions

S Bharadwaj Reddy
Stepper Motor Basics A stepper motor is a digital device. Digital information is processed by the stepper motor to accomplish an end result, in this case, controlled motion. One may

DC Motor Speed Control

S Bharadwaj Reddy
DC electric motors generate torque by a reaction between two magnetic fields: one field established by stationary “field” windings (coils), and the other by windings in the rotating armature. Some

Metering Pumps

S Bharadwaj Reddy
A very common method for directly controlling low flow rates of fluids is to use a device known as a metering pump. A “metering pump” is a pump mechanism, motor,

Electrical Motor Starter Circuits

S Bharadwaj Reddy
Manual DOL Starter : Contactor Controlled DOL Starter : Read : Simple DOl Starter using PLC Motor Star Delta Starter : Read : Star – Delta Starter Principle Motor Auto

How Motor Star Delta Starter Works ?

S Bharadwaj Reddy
Star-Delta starter is an electrical motor starting device, generally uses in big size motor to overcome high motor currents during starting. Star and Delta means here 2 separate states of

Star to Delta and Delta to Star Conversion Formula

S Bharadwaj Reddy
The Conversion or transformation or replacement of the Star connected load network to a Delta connected network and similarly a Delta connected network to a Star Network is done by

Basics of AC Induction Motors

S Bharadwaj Reddy
The basic principle of an AC induction motor is that one or more out-of-phase AC (sinusoidal) currents energize sets of electromagnet coils (called stator coils or windings) arranged around the

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