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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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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 &...
Basic Electrical

Switch Types & their Working Principle

Table of ContentsWhat is Switch?Characteristics of SwitchesMechanical SwitchesTypes of Mechanical Switches1). SPST - Single Pole Single Throw Switch2). SPDT - Single Pole Double Throw Switch3). DPST - Double Pole Single Throw Switch4). DPDT - Double Pole Double Throw Switch5). Pressure Switch6). Toggle Switch7). Limit...
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Transformers

What is an On-Load Tap Changing Transformer (OLTC)?

Transformer is an electrical device which employs the working of Faraday's law of induction...
Basic Electrical

Why does a Megger Use a DC Generator?

Megger is a brand name under which one can find various types of Insulation...
Electrical Calculators

Knee Point Voltage Calculator

What is Knee Voltage? Knee point voltage, also referred to as "knee voltage" or "knee...
Electrical Procedures

Step-by-Step Procedure to Test Trip Circuit Supervision Relay

What is a Trip Circuit Supervision Relay? The TCS supervision relay is designed to continuously...
Electrical Interview

Power Engineering: The Ultimate Q&A for Professionals

1). What is meant by "Synchronous Condenser"? Synchronous condenser refers to an over-excited synchronous motor...
Switchgear

APFC (Automatic Power Factor Correction) Panel

What is an Automatic Power Factor Correction Panel? Automatic Power Factor Control, or APFC Panels,...
Basic Electrical

Common Electrical Abbreviations

Electrical abbreviations, which include both electrical full forms and electrical short forms, are essential in...
Electrical Calculators

Transformer Impedance Calculator

Electrical engineers have to calculate transformer impedance to ensure efficient power distribution. Engineers can improve...
Electrical Interview

Top 25 Control Systems Engineer Interview Questions

1). What is meant by System? When the number of connected parts performs a given...
Transformers

Oil-Filled Transformer Maintenance Checklist

Oil-filled transformers require routine maintenance to ensure their dependability, efficiency, and prolonged operational lifespan.  Table...
Electric Motors

FAT Test of Electric Motors

The Factory Acceptance Test, often known as the FAT, takes place on electrical equipment...
Generations

Power Grid Synchronization Failures: Causes and Detection Methods

When we talk about synchronization, we are referring to the process of minimizing the...
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Latest articles

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...
Switchgear

RCD (Residual Current Device) Testing Procedure

What is an RCD? RCD - Residual Current Device A Residual Current Device (RCD) is a...
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