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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

Battery Bank Size Calculator

A battery bank size calculator is a calculating tool for determining the required battery capacity...
Electrical Safety

What is Dead Short?

Table of ContentsWhat is Dead Short?What is the cause of a dead short?What is...
Control Systems

What is Nyquist Plot?

Table of ContentsWhat is Nyquist Plot?Nyquist Contour or Nyquist PathNyquist EncirclementNyquist MappingNyquist Stability CriterionNyquist...
Generators

DC Generator: Working Principle & Diagrams

Table of ContentsWhat is a Generator?What is DC Generator?Construction of DC GeneratorCommutator Function of...
Electrical Tools

Basic Electrical Engineer Tools, Instrument, Devices & Equipments

Table of ContentsProbes for Electronic Measurement1). Current Detectors (Current Probes)2). Voltage Testers (Voltage Probes)Voltage...
Distribution

What is a Link Box?

Table of ContentsWhat is a Link Box (Electrical Link Box)?Components of a Cable Link...
Utilities

What are Ferromagnetic Materials?

Table of ContentsWhat are Ferromagnetic Materials?1). Cobalt2). Iron3). Nickel4). Neodymium Magnet5). Chromium dioxide6). Gadolinium7)....
Electric Motors

Armature: Definition, Function, and Key Components (In An Electric Motor & Generator)

Table of ContentsWhat is Armature?Components of an ArmatureWhat is the function of an Armature?What rotates...
Electrical Basics

Nodes, Branches and Loops of a Circuit

Table of ContentsNodes of the Electric CircuitBranch of the Electric CircuitLoops in the Electric...
Electrical How to

How To Find the Time Constant in RC, RL and RLC Circuits?

Table of ContentsWhat is Time Constant?Transient response of RC and RL CircuitCharge and Discharge...
Basic Electrical

Nominal Voltage: What Does it Mean?

Table of ContentsNominal VoltageRated VoltageOperating VoltageNominal Voltage v/s Rated VoltageNominal Voltage v/s Operating VoltageWhat...
Electrical Notes & Articles

Plum Pudding Model of The Atom

Table of ContentsWhat is meant by the term "Plum Pudding Model"?Background and history of plum...
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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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