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Rabert T

As an electrical engineer with 5 years of experience, I focus on transformer and circuit breaker reliability in 110/33-11kV and 33/11kV substations. I am a professional electrical engineer with experience in transformer service and maintenance. I understand electrical principles and have expertise troubleshooting, repairing, and maintaining transformers, circuit breakers, and testing them.
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Electrical How to

HT Transformer & DG Works BOQ with Checklist

A Bill of Quantities (BOQ) defines, quantifies & prices every component of work for an HT electrical installation.  This BOQ covers the 11 kV power intake, distribution transformers and diesel generator (DG) sets which is the core of any substation.  It serves as the binding technical...
Electrical Calculators

Earth Fault Loop Impedance Calculator

The Earth Fault Loop Impedance (EFLI) calculator is utilized to determine the maximum permissible earth fault loop impedance (Zs) of an electrical circuit.  Calculator Earth Fault Loop Impedance Calculator Uo, Nominal Phase Voltage (V) Circuit Breaker Size (A) Select Circuit Breaker Type Type B Type C Type D Breaker Characteristics: Type B → Ia...
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Star-Delta Contactor Size Calculator

The Star Delta Contactor Size Calculator is an online calculator tool designed to assist...
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What is Cybersecurity?

What is Cybersecurity? Cybersecurity refers to the practice of protecting  Computer systems,  Networks,  Programs and  Data from digital attacks,...
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Underground Cables (UG) Test Procedure

This document explains the standard test procedure for underground (UG) power cables prior to...
Electrical Procedures

Partial Discharge (PD) Testing

Partial Discharge (PD) testing has developed as one of the most advanced diagnostic testing...
Preventive Maintenance

VFD Drive Preventive Maintenance

Variable Frequency Drives (VFDs) are the essential components in modern industrial and commercial applications...
Electrical Calculators

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Electrical Notes & Articles

AAAC Conductor Technical Specification

AAAC (All Aluminium Alloy Conductor) is widely used in overhead electrical distribution systems. Table of...
Electrical Calculators

Transformer Voltage Regulation Calculator

Voltage regulation is an essential parameter in electrical power systems primarily in transformer design...
Electrical Calculators

Contactor Size Calculator

Selecting the correct contactor is one of the most essential steps in motor control...
Electrical Calculators

NEMA to IP Converter

Enclosure rating systems are essential for selecting the right protective housing for electrical equipment.  NEMA...
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Electrical How to

HT Transformer & DG Works BOQ with Checklist

A Bill of Quantities (BOQ) defines, quantifies & prices every component of work for...
Electrical Calculators

Earth Fault Loop Impedance Calculator

The Earth Fault Loop Impedance (EFLI) calculator is utilized to determine the maximum permissible...
Electrical Calculators

Battery Sizing Calculator

A Battery Size Calculator is an important electrical engineering online calculator tool that assist...
Electrical Calculators

Electrostatic Capacitance Calculator

The Electrostatic Capacitance Calculator is an online calculator tool that enables instant conversion between...