High Voltage ♛

## Tricks in designing and analyzing schematics and diagrams of high voltage substations

Premium Content ♛

## What Standards To Use For Transformer Oil Testing?

Transmission and Distribution

Energy and Power

## 8 practical applications of testing ground system using clamp-on tester

Premium Membership

Save 50% on all courses at the EEP Academy with the Enterprise Plan and study specialized technical articles, papers & video courses.

# Author Archive for: Jignesh Parmar

## 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. He has more than 20 years experience in transmission & distribution-energy theft detection and maintenance electrical projects.

Transmission and Distribution

# Total Losses in Power Distribution and Transmission Lines

Power generated in power stations pass through large and complex networks like transformers, overhead lines, cables and other equipment and reaches at the end users. It is fact that the… Read more

Aug 19, 2013 | By jiguparmar

Energy and Power

# How to calculate voltage regulation of distribution line

Introduction to voltage regulation Voltage Regulation for 11KV, 22KV, 33KV Overhead Line Permissible Voltage Regulation (As per REC) Voltage Regulation Values Required Size of Capacitor Optimum location of capacitors Voltage… Read more

Jun 10, 2013 | By jiguparmar

Energy and Power

# How to Determine Correct Number of Earthing Electrodes (Strips, Plates and Pipes) – part 2

Continued from first part: How to Determine Correct Number of Earthing Electrodes (Strips, Plates and Pipes) – part 1 The Earth Resistance of Single Plate electrode is calculated as per… Read more

May 13, 2013 | By jiguparmar

Electrical Lectures

# How to Determine Correct Number of Earthing Electrodes (Strips, Plates and Pipes) – part 1

Number of Earthing Electrode and Earthing Resistance depends on the resistivity of soil and time for fault current to pass through (1 sec or 3 sec). If we divide the… Read more

Apr 05, 2013 | By jiguparmar

Low Voltage

# Defining Size and Location of Capacitor in Electrical System (2)

Continued from part 1: Defining Size and Location of Capacitor in Electrical System (2) Size of circuit breaker (CB), fuse and conductor of capacitor bank: A. Thermal and magnetic setting… Read more

Mar 11, 2013 | By jiguparmar

Protection

# Connections Of Overcurrent Relay (part 2)

Continued from first part: Types and Applications Of Overcurrent Relay (part 1) It’s used for: 3-phase faults the overcurrent relays in all the 3-phases act. Phase to phase faults the… Read more

Feb 02, 2013 | By jiguparmar

Protection

# Types and Applications Of Overcurrent Relay (1)

Types of protection: Unit Type Protection Non-unit schemes Overcurrent protection Earth fault protection Various types of Line Faults Overcurrent Relay Purpose and Ratings Primary requirement of Overcurrent protection Purpose of… Read more

Feb 01, 2013 | By jiguparmar

Energy and Power

# Comparison of Protection Relay Types

This comparison summarize characteristics of all protection relay types described in previously published technical articles: Using Protective Relay For Fighting Against Faults The Good Old Electromechanical Protective Relay The Solid… Read more

Jan 23, 2013 | By jiguparmar

Cables

# Differences Between Earthed and Unearthed Cables

In HT electrical distribution, the system can be earthed or unearthed. The selection of unearthed or earthed cable depends on distribution system. If such system is earthed, then we have… Read more

Jan 21, 2013 | By jiguparmar

Energy and Power

# Flexibility and Reliability of Numerical Protection Relay

The first protection devices based on microprocessors were employed in 1985. The widespread acceptance of numerical technology by the customer and the experiences of the user helped in developing the… Read more

Dec 27, 2012 | By jiguparmar

Energy and Power

# Few Words About Digital Protection Relay

Around 1980s the digital relay entered the market. Compared to the Solid State Relay, the digital relay takes the advantages of the development of microprocessors and microcontrollers. Instead of using… Read more

Dec 24, 2012 | By jiguparmar

Energy and Power

# The Solid State Relay (Static Relay) Overview

The static relay is the next generation relay after electromechanical type.The Solid Static relays was first introduced in 1960’s. The term ‘static’ implies that the relay has no moving mechanical… Read more

Dec 19, 2012 | By jiguparmar

Energy and Power

# The Good Old Electromechanical Protective Relay

This is the first generation oldest relaying system and they have been in use for many years. They have earned a well-deserved reputation for accuracy, dependability, and reliability. There are… Read more

Dec 18, 2012 | By jiguparmar

Energy and Power

# Using Protective Relay For Fighting Against Faults

Introduction to Protective Relay Working Principle of Protective Scheme What is Relay? Functions of Protective Relay Desirable qualities of protective relaying Terminology of protective relay History of Protective Relay Types… Read more

Dec 17, 2012 | By jiguparmar

High Voltage

# Electrical Safety Standards for LV/MV/HV (Part-3)

Continued from part 2 – Electrical Safety Standards for LV/MV/HV (Part-2) Standard: Northern Ireland Electricity (NIE), 6/025 ENA Code: Indian Electricity Rules / Central Electricity Authority Right of Way Clearance… Read more

Nov 14, 2012 | By jiguparmar

### Subscribe to Weekly Newsletter

Subscribe to our Weekly Digest newsletter and receive free updates on new technical articles, video courses and guides (PDF).