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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

Single Phase Motor Capacitor Calculator

This is a calculator for single phase motor capacitors. With the support of this calculator,...
Transformers

Explain Core Balance Current Transformer (CBCT)

Table of ContentsWhat is Core Balance Current Transformer?Working principle of a Core Balance Current...
Electrical Interview

Oil and Gas Electrical Technician Interview Questions

1). What is an AVO meter? AVO Meter – Ampere, Volt and Ohm Meter AVO meter...
Basic Electrical

What does Floating Neutral mean? Effects & How to Test & Fix It?

Phase, neutral, and earth are the three connections that make up an electrical system....
Basic Electrical

What is Automatic Voltage Regulator (AVR)?

Table of ContentsAutomatic Voltage Regulator (AVR)Construction of Automatic Voltage Regulator (AVR)Working Principle of Automatic...
Electrical Notes & Articles

What information is available in a datasheet?

Table of ContentsContents of a Datasheet?1). Summary (or) General Description2). Specifications3). Pinouts (or) Pin...
Electrical Interview

Protection Interview Questions

1). What is the use of the negative phase sequence relay? The negative sequence relays...
Electrical How to

How to achieve Power Factor correction?

Table of ContentsPower FactorPower Factor Correction (PFC)Methods of Power Factor Correction1). Individual load correction...
Electrical Calculators

Full Load Current & Turns Ratio Calculator for Transformer

Full Load Current Calculator for Transformer The transformer full load current calculator can be used...
Generations

What is an Electrical Power System? (Basics of Power Systems)

Table of ContentsWhat is Electrical Power System?Power system structureGeneration SystemTransmission SystemSub-Transmission SystemDistribution SystemPrimary Distribution...
Electrical Calculators

3-Phase Power Calculator

Active Power (KW) In an electrical circuit, active power, often referred to as true or real power performs...
Electrical Procedures

Transformer Testing Procedure

Table of ContentsMEASUREMENT OF INSULATION RESISTANCE Configuration for a testProcedure for testingTEST FOR TURNS RATIO...
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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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