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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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Basic Electrical

What is Half Wave Rectifier?

Table of ContentsRectifierWhat is Half Wave Rectifier?Components of the Half Wave Rectifier1). AC Source2)....
Basic Electrical

What is RMS Voltage?

DC signal
Basic Electrical

What is Ballast Resistor?

Table of ContentsWhat is meant by Ballast Resistor?What is the function of a ballast...
Transformers

Explain about Step Up Transformer

Table of ContentsWhat is Step Up Transformer?Symbol for a Step-Up TransformerConstruction of the Step-Up Transformer1)....
Basic Electrical

What is Electrical Conductor? Explain in detail

Table of ContentsWhat is Electrical Conductor?How Does Electron flow in an Electrical Conductor?How does a...
Basic Electrical

Explain in detail about discharging of a capacitor

Table of ContentsWhat is Capacitor?CapacitanceCharging and Discharging of the CapacitorsCharging of the CapacitorCurrent in...
Protection

UPS Working Principle and Types

Table of ContentsWhat is UPS?Components of UPS1). Rectifier2). Inverter3). Battery4). Semiconductor SwitchFeatures of UPSUPS...
Batteries

How to Measure Specific Gravity of Battery?

Table of ContentsWhat is Specific Gravity?Definition of "Specific Gravity" in a BatteryWhat is meant...
Basic Electrical

Types of Insulators in Transmission Lines

Table of ContentsWhat is the purpose of an insulator?Function of InsulatorImportance of InsulatorsTypes of...
Basic Electrical

Voltage in Series Circuits

Table of ContentsWhat is Series Circuits?What is Voltage in Series Circuits?How to calculate voltage in...
Electrical Notes & Articles

Electrical Braking and it’s Types

Table of ContentsMechanical Braking SystemElectrical Braking System1). Regenerative BrakingAdvantages of  Regenerative BrakingDisadvantages of  Regenerative...
Electrical Notes & Articles

Band Pass Filter

Table of ContentsWhat is meant by Band Pass Filter?Band Pass Filter Circuit (BPF Ciruit)Types...
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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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