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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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Protection

Transformer Fire Protection System

Table of ContentsWhat Is a Transformer Fire?Causes of Fire in TransformersCauses to Explode TransformersTransformer...
Transmission

How to Protect Transmission Lines?

Table of ContentsTransmission Line SystemsCause FactorsHow to Protect Transmission Lines?Applicable StandardsDifferent types of Protection...
Electrical Procedures

Alternating Current (AC) Panel Testing Procedure

Table of ContentsPurpose of TestsReference DocumentScopeTerminologyTest EquipmentEquipment under Test1). Preliminary Checks2). Electrical Checks3). AC Distribution...
Switchgear

12 Fundamental Testing of High Voltage Circuit Breaker

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Power Systems

What is a Static VAR Compensator?

Table of ContentsWhat is a Static VAR Compensator?DesignWhat is the Working Principle of a...
Electrical Calculators

Short Circuit Current Calculator

The Short Circuit Current Calculator is a useful tool in electrical engineering that calculates...
Measurement

Digital Multimeter Calibration Procedure

Table of ContentsScopeProcedureDetailed ProcedureDisplay & Switch TestResistance CheckContinuity TestDC Voltage TestAC Voltage TestDC Current...
Electrical How to

Basic Short Circuit Current Calculation Methods

Table of ContentsSources of Short Circuit CurrentFundamentals of Short Circuit AnalysisDifferent Methods of Short...
Electrical Vehicles

What are the Different Types of Electric Vehicles?

Table of ContentsWhat is called an Electric Vehicle (EV)?How does an Electric Vehicle Work?Types...
Electrical Procedures

Standard Operating Procedure (SOP) for LT Panel

Table of ContentsWhat is a Low Tension (LT) Panel?What is the use of LT...
Electrical Interview

25 Most Important PLC Interview Questions and Answers

1). What is PLC? PLC - Programmable Logic ControlLER PLCs are computerized industrial controllers or solid-state...
Control Systems

Difference Between Open Loop and Closed Loop Control System

Table of ContentsWhat is a Control System?Characteristics of Control SystemsRequirements for an Effective Control...
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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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