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Author Archive for: Jignesh Parmar

Jignesh Parmar

74 awesome technical articles.

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Jignesh Parmar has completed M.Tech (Power System Control), B.E (Electrical). He is member of Institution of Engineers (MIE), India. He has more than 13 years experience in transmission & distribution-energy theft detection and maintenance electrical projects.

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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 more

Mar 10, 2014 | jiguparmar

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, height of tower) Types of towers Tower swing angle clearance (metal… Read more

Dec 23, 2013 | jiguparmar

Electrical Thumb Rules You MUST Follow, part 7

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… Read more

Nov 29, 2013 | jiguparmar

Electrical Thumb Rules You MUST Follow, Part 6

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… Read more

Nov 20, 2013 | jiguparmar

Electrical Thumb Rules You MUST Follow, part 5

Electrical Thumb Rules You MUST Follow (4)

Continued from: Electrical Thumb Rules You MUST Follow (Part 3) Substation Capacity and Short Circuit Current Capacity (As per GERC) Substation Capacity and Short Circuit Current Capacity (As per Central… Read more

Nov 15, 2013 | jiguparmar

Electrical Thumb Rules You MUST Follow - part 4

Electrical Thumb Rules You MUST Follow (2)

Continued from first part: Electrical Thumb Rules You MUST Follow (Part 1) For Sinusoidal Current: Form Factor = RMS Value/Average Value = 1.11 For Sinusoidal Current: Peak Factor = Max… Read more

Aug 28, 2013 | jiguparmar

Electrical Thumb Rules You MUST Follow (Part 2)

Electrical Thumb Rules You MUST Follow (1)

Cable Capacity Current Capacity of Equipment Earthing Resistance Minimum Bending Radius Insulation Resistance Lighting Arrestor Transformer Diesel Generator Current Transformer Quick Electrical Calculation For Cu Wire Current Capacity (Up to… Read more

Aug 23, 2013 | jiguparmar

Electrical Thumb Rules You MUST Follow (Part 1)


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