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Archive: Category «Electric Motor»

Electric Motor

What is the rewind scenario if a motor fails?

Unlike an initial motor purchase where your decision is limited to procuring a standard versus a premium efficiency motor, a motor failure or burnout produces three alternatives. Your options are… Read more

Jul 10, 2013 | By Edvard

What is the rewind scenario if a motor fails?
Electric Motor

Few Words About Capacitor-Start (CS) Motors

The capacitor-start (CS), or more precisely, capacitor-start, induction-run motor, is a modified split-phase induction motor used for hard-to-start loads. CS motors are efficient and require starting currents about 5 times… Read more

Jun 14, 2013 | By Edvard

Start-run capacitor single-phase induction motor (Source ABB)
Electric Motor

Split-phase motors for medium-duty applications

The split-phase (SP), or more accurately, the resistance-start, split-phase, induction run motor,is recommended for medium-duty applications. It can run at constant speed even under varying load conditions where moderate torque is… Read more

Jun 12, 2013 | By Edvard

Split-phase motors for medium-duty applications
Electric Motor

Three Phenomenons In The Iron Of AC Machines

Most of our practical AC machines (motors, generators ad transformers) depend heavily on the magnetic field for operation. The core iron of the machine provides a path for the magnet… Read more

May 29, 2013 | By Edvard

Three phenomenons in the iron of AC machines
Electric Motor

Induction motor startup and losses calculation

The main objectives while starting an induction motor are: To handle high-starting current To achieve high-starting torque. As we know, rotor resistance determines starting torque. Usually, this rotor resistance is small,… Read more

Mar 25, 2013 | By Edvard

Induction motor startup and losses calculation
Electric Motor

Starting Motor With Auto-transformer

An auto-transformer starter makes it possible to start squirrel-cage induction motors with reduced starting current, as the voltage across the motor is reduced during starting. In contrast to the star-delta… Read more

Mar 18, 2013 | By Edvard

Starting Motor With Auto-transformer
Electric Motor

How Motor Really Works?

The basic working of a motor is based on the fact that when ‘a current carrying conductor is placed in a magnetic field, it experiences a force’. If you take… Read more

Feb 08, 2013 | By Edvard

Motor action


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