Search

Premium Membership ♕

Save 50% on all EEP Academy courses with Enterprise Membership Plan and study specialized LV/MV/HV technical articles & guides.

Archive: Category «Electric Motor»

Electric Motor

Classes, Speed Control and Starting of DC motors

D.C. motors are divided into three classes, as follows: series-wound motor, shunt-wound motor and compound-wound motor. Let’s take a word about each of motor class. In this type (Figure 1)… Read more

Dec 04, 2012 | By Edvard

Classes, Speed Control and Starting of DC motors
Electric Motor

Stator Overheating Protection

All motors need protection against overheating resulting from overload, stalled rotor, or unbalanced stator currents. For complete protection, three-phase motors should have an overload element in each phase. This is… Read more

Nov 19, 2012 | By Edvard

Stator Overheating Protection
Electric Motor

Few Words About Synchronous Machines

There are two main types of synchronous machine: cylindrical rotor and salient pole. In general, the former is confined to 2 and 4 pole turbine generators, while salient pole types… Read more

Nov 06, 2012 | By Edvard

Gearless synchronous generator for wind power plants developed by SIEMENS
Electric Motor

Motors for Hazardous Areas

Electrical drives/motors that are operated in hazardous areas must be built and engineered so that they cannot become an ignition source. This applies not only to normal operating and starting, but also… Read more

Nov 02, 2012 | By Edvard

Motors for Hazardous Areas
Electric Motor

Industrial Applications of Brushless Servomotor

A synchronous machine with permanent magnets on the rotor is the heart of the modern brushless servomotor drive. The motor stays in synchronism with the frequency of supply, though there… Read more

Oct 26, 2012 | By Edvard

Industrial Applications of Brushless Servomotor
Electric Motor

Few Words About Three-Phase Alternator

The three-phase alternator, as the name implies, has three single-phase windings spaced such that the voltage induced in any one phase is displaced by 120º from the other two. A… Read more

Oct 20, 2012 | By Edvard

Few Words About Three-Phase Alternator
Electric Motor

LT / Medium / HT VFD Used In the Industry (1)

In modern plants, there are number of drives like Milling Plant Drive, Hydraulic Drive, DC Motor Drive and AC Motor Drive of adequate capacities are available. There is lot of… Read more

Sep 10, 2012 | By sprabakar22

LT / Medium / HT Variable Frequency Drives (VFD) In the Industry
Electric Motor

Basics of 3-phase Induction Motor (part 4)

When a motor is expected to operate in unfavorable conditions such as: Intermittent overloading Higher ambient temperatures A restricted temperature rise as for a spinning mill, A refinery or a… Read more

Aug 07, 2012 | By Asif Eqbal

1903 1/2hp Wagner repulsion start induction motor
Electric Motor

Basics of 3-phase Induction Motor (part 3)

Continued fro second part – Basics of 3-phase Induction Motor (part 2) Technical data to be specified by purchaser before purchasing a 3 phase induction motor: No. Technical data to… Read more

Aug 03, 2012 | By Asif Eqbal

Induction motor nameplate
Electric Motor

Basics of 3-phase Induction Motor (part 2)

Continued from first part – Basics of 3-phase Induction Motor (part 1) For the purpose of standardization, the preferred rated voltages of three phase induction motor shall be in accordance… Read more

Aug 02, 2012 | By Asif Eqbal

Basics of 3-phase Induction Motor (part 2)
Electric Motor

Basics of 3-phase Induction Motor (part 1)

This article will deal with those concepts of 3 phase induction motor which are essential prerequisite for proper selection, procurement, installation and maintenance of the same. Before any actual discussion… Read more

Aug 01, 2012 | By Asif Eqbal

Basics of 3-phase Induction Motor (part 1)


Learn How to Design Power Systems

Learn to design LV/MV/HV power systems through professional video courses. Lifetime access. Enjoy learning!

Subscribe to Weekly Newsletter

Subscribe to our Weekly Digest newsletter and receive free updates on new technical articles, video courses and guides (PDF).
EEP Academy Hand-Crafted Courses
Smart Grid Forums Events