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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 Procedures

Black Start Procedure

Black Start Procedure Black Start Procedure is one of the most important emergency operations in modern power engineering.  It refers to the controlled process of restoring the electrical power to a network following a complete system blackout that is a condition where no external grid supply...
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...
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Switchgear

Why MCB Trips and How to fix it?

Table of ContentsWhat is MCB?Common Causes of MCB Tripping1). Overloading2). Short Circuit3). Ground Fault4)....
Electrical Procedures

Transformer Oil Dehydration Working Procedure

Oil dehydration constitutes a part of annual maintenance because moisture content is mixed into...
Transformers

Buchholz Relay in Transformer

Buchholz Relay The Buchholz relay is used to protect the transformer against internal failures. It is the...
Electrical Safety

LOTO Colour Coding

What are LOTO Color Codes? In order to standardize the determination of locks and tags...
Protection

What is a Distance Relay?

Distance relays are the most essential distance protection elements, and their effectiveness is determined...
Transformers

Autotransformer Turns Ratio Test

What is an Autotransformer? There is a type of electrical transformer known as an auto...
Electrical Procedures

VLF Testing Procedure

What is VLF Testing? Very Low Frequency (VLF) testing is a method for determining the...
Preventive Maintenance

Earth Pit Preventive Maintenance

Earth Pit An "Earth pit" in electrical systems is a hole that is dug out...
Transmission

Substation Layout Design

Electrical Substation In modern times, the need for electrical power is steadily increasing. To accommodate...
Electrical Notes & Articles

Auxiliary Transformer Testing Checklist

Auxiliary transformers play an important role in providing power to substation auxiliaries, and proper...
Machines

Maintenance and Troubleshooting of DC Machines

DC Machine An electrical machine is an electrical device that transforms mechanical energy converted into electrical energy...
Software

Top Electrical AutoCAD Commands

AutoCAD is a popular computer-aided design (CAD) program for drawing and designing electrical, mechanical,...
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Latest articles

Electrical Procedures

Black Start Procedure

Black Start Procedure Black Start Procedure is one of the most important emergency operations in...
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...