# Author Archive for: Jignesh Parmar

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## Jignesh Parmar

74 awesome technical articles.

Jignesh Parmar has completed M.Tech (Power System Control) ,B.E(Electrical). He is member of Institution of Engineers (MIE),India. Membership No:M-1473586.He has more than 13 years experience in Transmission -Distribution-Electrical Energy theft detection-Electrical Maintenance-Electrical Projects (Planning-Designing-Technical Review-coordination -Execution). He is Presently associate with one of the leading business group as a Deputy Manager at Ahmedabad,India. He has published numbers of Technical Articles in "Electrical Mirror", "Electrical India", "Lighting India", "Industrial Electrix"(Australian Power Publications) Magazines. He is Freelancer Programmer of Advance Excel and design useful Excel base Electrical Programs as per IS, NEC, IEC,IEEE codes. He is Technical Blogger and Familiar with English, Hindi, Gujarati, French languages. He wants to Share his experience & Knowledge and help technical enthusiasts to find suitable solutions and updating themselves on various Engineering Topics.

# 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 more

Mar 04, 2016 | jiguparmar

# 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; width: 10 meter; height: 3 meter. The ceiling to desk height is 2 meters…. Read more

Aug 18, 2014 | jiguparmar

# 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 more

Jun 30, 2014 | jiguparmar

# An example of calculating transformer size and voltage drop due to starting of large motor

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 more

May 12, 2014 | jiguparmar

# 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 commercial losses… Read more

Apr 25, 2014 | jiguparmar

# Electrical Thumb Rules You MUST Follow (8)

Continued from part 7: Electrical Thumb Rules You MUST Follow (Part 7) Accuracy Class of Metering CT Accuracy Class Letter of CT Accuracy Class of Protection CT Metering Class CT… Read more

Mar 10, 2014 | jiguparmar

# 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) Non-technical losses… Read more

Mar 03, 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 (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 (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

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