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Archive: Category «Industrial Automation»

Electric Motor

4 motor designs identified in NEMA MG1

Performance requirements for various types of induction motors for use on standard sinewave power supplies are identified in NEMA MG1. Some of these types of motors are suitable for use… Read more

Nov 01, 2013 | By Edvard Csanyi

4 motor designs identified in NEMA MG1
Energy and Power

An Overview Of Control (Ice Cube) Relays

An electromechanical relay is an electrical switch actuated by an electromagnet coil. As switching devices, they exhibit simple “on” and “off” behavior with no intermediate states. The electronic schematic symbol… Read more

Sep 18, 2013 | By Edvard Csanyi

An Overview Of Control (Ice Cube) Relays
Electric Motor

Motor Service Factor (SF) Defined By NEMA

Motor Service Factor (SF) is the percentage of overloading the motor can handle for short periods when operating normally within the correct voltage tolerances. This is practical as it gives… Read more

Aug 07, 2013 | By Edvard Csanyi

Motor Service Factor (SF) Defined By NEMA
Electric Motor

Selection Of Crane Duty Motors (Part 3)

Continued from second part: Selection Of Crane Duty Motors (Part 2) N = Duration of motor operation under rated conditions R = Duration of motor at rest and de-energised ØMax… Read more

Jul 27, 2013 | By Ashok Parikh

Selection Of Crane Duty Motors
Electric Motor

Selection Of Crane Duty Motors (Part 2)

Continued from first part: Selection Of Crane Duty Motors (Part 1) Following two types of motors are widely used for crane duty applications. Squirrel Cage Crane Duty Motors Slip ring… Read more

Jul 24, 2013 | By Ashok Parikh

Selection Of Crane Duty Motors (Part 2)
Electric Motor

Selection Of Crane Duty Motors (Part 1)

The operating conditions such as duty cycle, startup, temperature and operating environment are vital considerations in the motor efficiency and reliability. It is absolutely essential to match the motors to… Read more

Jul 22, 2013 | By Ashok Parikh

Selection Of Crane Duty Motors
Industrial Automation

Requirements and Functions of Substation Automation

Substation automation is the cutting edge technology in electrical engineering. It means having an intelligent, interactive power distribution network including : Increased performance and reliability of electrical protection. Advanced disturbance… Read more

May 17, 2013 | By Edvard Csanyi

Requirements and Functions of Substation Automation


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