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Defining size and location of capacitor in electrical system (1)
Type of Capacitor Bank as per Its Application: Fixed type capacitor banks Automatic type capacitor banks Types of APFC – Automatic Power Factor Correction Type of Capacitor as per Construction... Read...
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An example of calculating the number of indoor lighting fixtures
These are the input data for the following calculation: An office area has length: 20 meter; meter; meter. The ceiling to desk is 2 meters. The area is to be... Read moreThe post An example of...
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An example how to calculate voltage drop and size of electrical cable
Electrical load of 80KW, distance between source and load is 200 meters, system voltage 415V three phase, power factor is 0.8, permissible voltage drop is 5%, demand factor is 1.... Read moreThe post...
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An example of calculating transformer size and voltage drop due to starting...
Let’s calculate voltage drop in transformer 1000KVA, 11/0.480 kV, impedance 5.75% due to starting of 300 kW, 460V, 0.8 power factor, motor code D (kva/hp). Motor starts 2 times per hour... Read...
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An example of calculating the technical losses of T&D lines
There are two types of losses in transmission and distribution line. Technical Losses and Commercial Losses. It’s necessary to calculate technical and commercial losses. Normally technical losses and...
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Electrical Thumb Rules You MUST Follow (8)
Accuracy Class of Metering CT Accuracy Class Letter of CT Accuracy Class of Protection CT Continued from part 7: Electrical Thumb Rules You MUST Follow (Part 7) Metering Class CT... Read moreThe post...
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Total Losses in Power Distribution and Transmission Lines (2)
Continued from first part: Total Losses in Power Distribution & Transmission Lines (1) There are two types of transmission and distribution losses: Technical losses (explained in previous part)...
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Electrical Thumb Rules You MUST Follow (7)
Continued from: Electrical Thumb Rules You MUST Follow (Part 6) Overhead conductor / cable size Transmission / distribution line (span, of tower) Types of towers Tower swing angle clearance (metal...
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Electrical Thumb Rules You MUST Follow (6)
Continued from: Electrical Thumb Rules You MUST Follow (Part 5) Transformer earthing wire / Strip size Motor earthing wire / Strip size Panel earthing wire / Strip size Electrical equipment earthing......
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Electrical Thumb Rules You MUST Follow (5)
Continued from: Electrical Thumb Rules You MUST Follow (Part 4) Standard Size of Transformer (IEEE/ANSI 57.120) Standard Size of Motor (HP) Approximate RPM of Motor Motor Line Voltage Motor Starting......
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Defining size and location of capacitor in electrical system (1)
Type of Capacitor Bank as per Its Application: Fixed type capacitor banks Automatic type capacitor banks Types of APFC – Automatic Power Factor Correction Type of Capacitor as per Construction...
View ArticleClik here to view.
An example of calculating the number of indoor lighting fixtures
An example of calculating the number of indoor lighting fixtures (on photo: Columbus, OH Ohio History Center reading room; by army.arch via Flickr)Input informationThese are the input data for the...
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An example how to calculate voltage drop and size of electrical cable
An example how to calculate voltage drop and size of electrical cable (photo credit: 12voltplanet.co.uk)Input informationElectrical details:Electrical load of 80KW, distance between source and load is...
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An example of calculating transformer size and voltage drop due to starting...
Medium-voltage motor starting transformer (man. J. Schneider Elektrotechnik; photo credit: DirectIndustry)ExampleLet’s calculate voltage drop in transformer 1000KVA, 11/0.480 kV, impedance 5.75% due to...
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An example of calculating the technical losses of T&D lines
An example of calculating the technical losses of T&D lines (photo credit: paulhasenmeier.wordpress.com)Introduction to LossesThere are two types of losses in transmission and distribution...
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Electrical Thumb Rules You MUST Follow (Part 8)
Electrical Thumb Rules You MUST Follow (Part 8) Continued from part 7: Electrical Thumb Rules You MUST Follow (Part 7) Three EE thumb rules to follow:Accuracy Class of Metering CTAccuracy Class Letter...
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Total Losses in Power Distribution and Transmission Lines (2)
Total Losses in Power Distribution and Transmission Lines (Photo taken my Michael Kappel) Continued from first part: Total Losses in Power Distribution & Transmission Lines (1)There are two types...
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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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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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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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