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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 Safety

LOTO Colour Coding

What are LOTO Color Codes? In order to standardize the determination of locks and tags according to their function & level of control, the LOTO (Lockout/Tagout) Color Coding method is implemented. Table of ContentsWhat are LOTO Color Codes?How to read LOTO Color Codes?What does LOTO colors...
Protection

What is a Distance Relay?

Distance relays are the most essential distance protection elements, and their effectiveness is determined by the distance between the source/feeder point & the location of the fault.  Table of ContentsWhat is a Distance Relay?Distance Relay Working PrincipleFunction of Distance RelayNormal ConditionFault ConditionTypes of Distance Relays1). Impedance Relay2)....
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Basic Electrical

Eddy Current Testing

Table of ContentsEddy Current TestingPrinciple of Eddy Current TestingHow does the eddy current function?What does...
Transformers

External and Internal Faults in Transformer

Table of ContentsTypes of Transformer FaultsExternal FaultsPower Transformer External Short CircuitPower Transformer Voltage Disturbance1)....
Transformers

Fundamentals of Transformer Ratings

There are a number of methods that are used to rate transformers. The following are...
Electrical Calculators

How to Calculate the kVA Size of a Single Phase & Three Phase Transformer?

A transformer's rating is always expressed in kilovolt-amperes (kVA). Find & calculate the power...
Transformers

Different types of transformer testing

Table of ContentsWhy is testing a transformer very necessary?Different types of Transformer TestingTest carried...
Renewable Energy

Solar Cell: Principle of Operation & Construction

Table of ContentsHow do solar cells work?Symbolic Representation of Solar CellConstruction of the solar...
Electrical Calculators

Ground Wire Size Calculator

The Ground Wire (Conductor) Size Calculator will determine the appropriate size of ground conductor...
Preventive Maintenance

Maintenance of the Transformers

Table of ContentsProcess for Maintenance of TransformerMonthly Inspections of the Transformers for MaintenanceDaily Inspection...
Basic Electrical

Electrical Diagrams & Drawing Types

Table of Contents1). Block Diagram2). Schematic Diagram3). One-line Diagram or Single Line Diagram4). Wiring...
Electrical Procedures

Electrical Motor Installation

Electric Motor A device that makes use of the concept of energy conversion which transforms...
Electrical Interview

POWER SYSTEM INTERVIEW QUESTIONS

1). What is Power System? The Power system is a system that is made up...
Basic Electrical

Electronic Ballast: Working Principle & Circuit Diagram

Table of ContentsWhat is meant by Electronic Ballast?Block Diagram of Electronic Ballast1). EMI Filter2). Rectifier3)....
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Latest articles

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...
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