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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 Interview

Power Electronics Interview Questions

1). What is a Power Amplifier? A power amplifier amplifies weak signal until it has enough power to drive an output device, such as a loudspeaker. 2). What are the Characteristics of a Power Amplifier? Impedance matching to provide maximum power to load. Power transistors are required to tolerate...
Transformers

Vector Group of Transformer

The Vector Group of a transformer is an essential parameter that determines the phase difference and wire configuration of the transformer.  Table of ContentsWhat is Vector Group of Transformer?Phase Displacement between HV & LV WindingsPhase Shift of TransformerWhy is Vector Group Important?Common Vector Groups &...
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Electrical Calculators

Earth Conductor Size Calculator

What does the term earthing conductor? Electrical systems often have their earth conductors installed such...
Utilities

Mechanical Properties of Engineering Materials

Table of Contents1). Strength2). Toughness3). Hardnessa). Scratch Hardnessb). Indentation Hardnessc). Rebound Hardness4). Hardenability5). Brittleness6)....
Electrical Safety

Safety tips when working with electricity

Table of ContentsWhat is meant by "Electrical Safety"?What are the 12 electrical safety rules?Safety...
Distribution

What is Electric Pole?

What is Electric Pole? Table of ContentsWhat is Electric Pole?Types of Electric PoleWooden Electric PoleWooden...
Transmission

Sag in a Transmission Line

Table of ContentsWhat is Sag in an Electrical Transmission Line?Conductor Sag and TensionWhat are...
Control Systems

Bode Plot, Gain Margin and Phase Margin

stable frequency
Electrical Formulas & Equations

Electrical Transformers – Formulas and Equations

Table of ContentsWhat is a Transformer?Different types of transformersEMF Equation of the TransformerTurns Ratio of...
Transmission

Transmission Towers and their parts

Table of ContentsWhat is a Transmission Tower?Parts of a transmission tower1). Peak of a...
Electrical Projects

Induction Motor Timer (Starter) Using Auto Delta Star Starter

Table of ContentsWhat is Star Delta Starter?What is Automatic Star-Delta Starter?Block DiagramComponents of Induction...
Electrical Calculators

Faraday’s Law Calculator

Faraday's law calculator applies the equations of Faraday to determine the magnitude & polarity of...
Troubleshooting

Troubleshooting Electrical Faults

Table of ContentsWhat is an electrical fault in power system?Identifying and Troubleshooting Electrical Problems...
Basic Electrical

What is a Voltage Sensor?

Table of ContentsWhat is a Voltage Sensor?Function of a Voltage Sensor1). Magnetic Fields2). Electromagnetic...
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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...
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