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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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Control Systems

Closed Loop Control of Drives

In a closed loop system, a portion of the output of the system is...
Transformers

Condition Monitoring of Transformer

Transformers serve a significant part in both the electrical grid & industrial processes.  Table of...
Protection

Why and How to Test Protective Devices in Electrical Systems?

Equipment connected to electric power systems for the purpose of monitoring and identifying conditions...
Transformers

Auto Transformer: Definition, Working Principle, and Diagrammatic Representation

An autotransformer may be described as an electrical transformer where there is only one...
Electric Motors

Exploring the Need for Starters in DC Motor Systems

DC motors can be said to be more commonly used than the other types...
Electrical Calculators

RC (Resistor-Capacitor) Circuit Calculator

You will need to use the following RC circuit calculator to determine the characteristic...
Protection

Protection System Testing

Protection system testing is essential for ensuring that electrical systems are reliable and safe....
Electric Motors

Step-by-Step Motor Starter Troubleshooting and Repair

Understand the basics of motor starter repair and troubleshooting with help of this post.  Learn...
Electrical Procedures

Ground Fault Testing Procedure

What is a Ground Fault? A ground fault is an any short circuit that results...
Electrical Procedures

What is Step Potential? Explain Testing Procedure

Step potential is a term often applied when it comes to electrical engineering safety...
Electrical Interview

Electrical & Instrumentation (E&I) QA&QC Interview Questions

1). What is the maximum percentage of cross section a conduit can be filled...
Distribution

Electrical Distribution System Arrangements

Table of ContentsWhat is an Electric Power Distribution System?Radial Distribution SystemExpanded Radial SystemRadial System...
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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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