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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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Transformers

Autotransformer Turns Ratio Test

What is an Autotransformer? There is a type of electrical transformer known as an auto transformer, which is also known as an autotransformer, which consists of a single winding that performs the functions of both a primary winding & a secondary winding. Table of ContentsWhat is...
Electrical Procedures

VLF Testing Procedure

What is VLF Testing? Very Low Frequency (VLF) testing is a method for determining the integrity of insulation in cables & other electrical equipment.  Table of ContentsWhat is VLF Testing?Working Principle of VLF TestingWhy Is VLF Testing essential for MV Cables?VLF Testing Procedure1). VLF Tan Delta Test2)....
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Electrical Interview

Power Electronics Interview Questions

1). What is a Power Amplifier? A power amplifier amplifies weak signal until it has...
Transformers

Vector Group of Transformer

The Vector Group of a transformer is an essential parameter that determines the phase...
Basic Electrical

Switch Types & their Working Principle

Table of ContentsWhat is Switch?Characteristics of SwitchesMechanical SwitchesTypes of Mechanical Switches1). SPST - Single...
Batteries

Battery Testing Procedure

Battery Testing Battery testing comprises measuring the voltage, capacity, & other parameters of the battery with the...
Switchgear

RCD (Residual Current Device) Testing Procedure

What is an RCD? RCD - Residual Current Device A Residual Current Device (RCD) is a...
Protection

How to Protect Capacitor Bank?

What is a Capacitor Bank? A capacitor bank stores energy by connecting capacitors in series...
Electrical Calculators

Line Current Calculator

Calculator Use the calculator to find the line current by entering the total phase current...
Basic Electrical

What is the difference between KW and KVA?

According to the International System of Units, power is measured in kVA and kW.  The...
Electrical Notes & Articles

DC Motor No-Load Run Test Procedure and Checklist

What is DC Motor? A DC motor is a device that transfers electrical energy from...
Switchgear

SF6 Circuit Breaker: Working Principle, Construction, and Types

SF6 circuit breakers are employed for their  Table of ContentsWhat is an SF6 Circuit Breaker?Working...
Electric Motors

What is a Stepper Motor? How does it work?

What is a Stepper Motor? A stepper motor is an electric motor that works on...
Transformers

Losses in a Transformer

The power delivered to the transformer's input terminal must match the power delivered to...
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Latest articles

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...
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