Construction of 3-Phase AC induction motors

Three-phase (or polyphase) AC induction squirrel cage motor For industrial and mining applications, 3-phase AC induction motors are t...

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The Cage Induction Motor

Three phase squire cage induction motor, fully enclosed This simplest form of AC induction motor or asynchronous motor is the basic,...

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Star-Delta Motor Starter

Introduction to Star-Delta motor starter Most induction motors are started directly on line, but when very large motors are started t...

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Types of DC Motors and Their Characteristics

Characteristic As you already know, there are two electrical elements of a DC motor, the field windings and the armature .The armatur...

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Selection Of Crane Duty Motors (Part 1)

Selection Of Crane Duty Motors (Photo By polyglot via Flickr) Introduction The operating conditions such as duty cycle , startup , ...

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Selection Of Crane Duty Motors (Part 2)

Selection Of Crane Duty Motors (on photo: Electric wire rope hoist for LNG (liquified natural gas) - STAHL CraneSystems GmbH by Direc...

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Selection Of Crane Duty Motors (Part 3)

Selection Of Crane Duty Motors (On photo: Single girder overhead traveling crane - max. 12.5t, 4-30m of Demag Cranes & Components...

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Mysterious Synchronous Operation Of Generator

Mysterious Synchronous Operation Of Generator (on photo: Generator at Manchester Museum of Science and Industry - by Mr Woodstock via...

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Security Considerations in SCADA Systems -1-

SCADA System can be affected by a number of threats, which may be natural or intentional. So it is very much important to focus on secur...

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An Introduction To SCADA For Electrical Engineers – Beginners

An Introduction To SCADA (Supervisory Control And Data Acquisition) For Beginners // On photo Monitor iFIX By ServiTecno via FlickR ...

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Corona or Partial Discharge with Buzzing Noise

What's that hissing, cracking, buzzing noise? (on photo: Corona discharge on insulator string of a 500 kV transmission line) Co...

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transformer stomach pain

Transformer windings forces due to the magnetic forces (photo by ALSTOM) About stomach pain During normal operation, transformer int...

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Ferroresonance Occurrence In Power Transformer

Ferroresonance Occurrence In Power Transformer (photo by SNC Manufacturing Co. Inc.) Ferroresonance occurs when line capacita...

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How to Determine Correct Number of Earthing Electrodes (Strips, Plates and Pipes) – part 2

Installation of vertical electrodes of earthing Continued from first part: How to Determine Correct Number of Earthing Electrodes (...

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How to Determine Correct Number of Earthing Electrodes (Strips, Plates and Pipes) – part 1

How to Determine Correct Number of Earthing Electrodes (Strips, Plates and Pipes) - part 1 Introduction Number of Earthing Electrode...

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Switching contactor and effect of long control lines

Switching contactor and effect of long control lines Voltage drop In accordance with IEC 60947-4-1 and IEC 60947-5-1 , the normal...

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Requirements and Functions of Substation Automation

Requirements and Functions of Substation Automation (photo by psi-incontrol.com) Introduction Substation automation is the cutting...

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Erection Procedure for Power Transformer

Erection of power transformer (by Entel Energoprojekt in Abu Dhabi Distribution Company, 33KV & 11KV Network for Ghuzlan Island) ...

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Are you concerned about your privacy in Smart Grid?

Are you concerned about your privacy in Smart Grid? Modernization of the grid will increase the level of personal information detai...

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Transformer Routine Dielectric (Insulation) Test

Transformer Routine Dielectric (Insulation) Test (on photo: OSB laboratory of BEST Transformers) Insulation tests to be performed Th...

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