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Electrical Thumb Rules You MUST Follow (Part 4)
Electrical Thumb Rules You MUST Follow - part 4 (on photo: distribution substation bus on a clear night in February by Eli Nelson) at Flickr Continued from: Electrical Thumb Rules You MUST Follow (Part...
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Identity Card of Every Asynchronous Motor
Identity Card of Every Asynchronous Motor (on photo: ABB AC motor in top lift; by Melissa Blair, BaldorPowerWI via Flickr) Motor parametersA motor is characterized by different electrical and...
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Electrical Thumb Rules You MUST Follow (Part 5)
Electrical Thumb Rules You MUST Follow, part 5 (photo by engineeringourfreedom.blogspot.com) Continued from: Electrical Thumb Rules You MUST Follow (Part 4) Eight rules to follow:Standard Size of...
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Heat as one of the most common cause of motor failure
Heat as one of the most common cause of motor failure (on photo: burned motor windings due to the overheating; by hybridperformance.blogspot.com)Service lifeHeat is the most common cause of motor...
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General principles of electricity supply systems
Figure 1 - Suspension towers (on photo: Powerline shot by David Lowe via Flickr)Transmission of electricityThe generation of electricity in most modern power stations is at 25 kV, and this voltage is...
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What’s so important in role of capacitors in distribution systems?
What's so important in role of capacitors in distribution systems? (on photo: Capacitors on 27.6kV deadend pole by Hungry4Power via Flickr)Power factorShould the voltage on a circuit fall below a...
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Electrical Thumb Rules You MUST Follow (Part 6)
Electrical Thumb Rules You MUST Follow, Part 6 (On photo: View in the Transformer Room in the underground area during White House renovation on March 26, 1952 - via trumanlibrary.org) Continued from:...
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In Front Of The Third Electrical Systems Revolution in United States
The U.S. electricity seen as never before, with its cities connected through a vast network (photo credit to dailymail.co.uk)Power Demand as a Power ResourceA dizzying array of new energy technologies...
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15 hypothesis responsible for the aging of composite insulators
15 hypothesis responsible for aging of composite insulators (on photo: Composite insulator with integrated fiber-optic cable for transpower by reinhausen.com)Major causes of aging in composite...
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An overview of the transmission and distribution network of New Zealand
Figure 1 - Transmission network of New ZealandTransmission The national grid has approximately 12,000 km of high voltage transmission lines. Most of the grid operates on alternating current (the HVAC...
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Billion Dollar Storms vs U.S. Electric Grid
A street light and utility pole brought down by Hurricane Sandy lay on the street in Avalon, N.J. About 2.5 million customers had no power Tuesday in New Jersey. (photo by Mark Wilson via...
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Example of standard MV/LV network structure
Network structure exampleNetwork structure:Example network above consists of:MV consumer substation;Two MV ratings: 20 kV and 6 kV;The main MV switchboard fed at 20 kV can be backed up by a set of four...
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An overview of Australia’s electricity transmission networks
An overview of Australia’s electricity transmission networks (on photo: Transmission towers at 137 metres above sea level, Mt Cooper in Bundoora Park, the highest point in the metropolitan Melbourne...
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Germany’s electricity networks outlook – Today and tommorow
Germany’s electricity networks outlook - Today and tommorow (photo by eon.com)Network reliability in front of allGermany’s electricity supply is currently based on a reliable and powerful network...
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Advantages of HVDC over HVAC transmission
Advantages of HVDC over HVAC transmission (on photo: The valve hall of the HVDC system is where the power is made ready for transmission; by Siemens)AC as preferred optionDespite alternating current...
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An overview of South Africa’s energy sector with emphasis on increased demands
Power lines, Cape Town, South AfricaGeneration, transmission and distributionElectricity provision involves three phases: generation, transmission and distribution.Generation is the process by which...
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Electrical Thumb Rules You MUST Follow (Part 7)
Electrical Thumb Rules You MUST Follow, part 7 (photo by joy russell via Flickr) Continued from: Electrical Thumb Rules You MUST Follow (Part 6) 8 electrical thumb rules to follow: Overhead conductor /...
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Comparison of major grid failures in United States and around the world (part 1)
Comparison of major grid failures in United States and around the world (on photo: Power outage in Manhattan during Hurricane Sandy)Power SurgesThe creation and delivery of power is one basic...
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Comparison of major grid failures in United States and around the world (part 2)
Comparison of major grid failures in United States and around the world, part 2 (on photo: Aug. 14, 2003 file photo, cars try to navigate their way through New York City during a blackout that hit U.S....
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An overview of Large Power Transformer – LPT (Characteristics, Costs and...
An overview of Large Power Transformer - physical characteristics, costs and pricing (photo courtesy of the ABB Facebook Page - depicts an ABB engineer working atop an ABB Transformer)Tailored to...
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