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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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Excel Tools

Inverse Defined Minimum Time (IDMT) Calculator

Calculator Inverse Defined Minimum Time CalculatorDownload An Inverse Defined Minimum Time (IDMT) Calculator is an online (or) Excel-based tool that calculates the operation time of protective relays using the inverse time characteristics of overcurrent protection systems.  These tools assist in determining the trip time of relays if a...
Transmission

Essential Oil Immersed Shunt Reactors Commissioning Checklist

Commissioning oil-immersed shunt reactors is essential for ensuring consistent operation in power systems.  These reactors help to regulate voltage and reactive power, so protecting the grid from over voltages.  Mechanical Inspections,  Electrical Testing, &  Oil Analysis  are all part of the commissioning procedure, which ensures that the reactor fulfills...
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Basic Electrical

Eddy Current Testing

Table of ContentsEddy Current TestingPrinciple of Eddy Current TestingHow does the eddy current function?What does...
Transformers

External and Internal Faults in Transformer

Table of ContentsTypes of Transformer FaultsExternal FaultsPower Transformer External Short CircuitPower Transformer Voltage Disturbance1)....
Transformers

Fundamentals of Transformer Ratings

There are a number of methods that are used to rate transformers. The following are...
Electrical Calculators

How to Calculate the kVA Size of a Single Phase & Three Phase Transformer?

A transformer's rating is always expressed in kilovolt-amperes (kVA). Find & calculate the power...
Transformers

Different types of transformer testing

Table of ContentsWhy is testing a transformer very necessary?Different types of Transformer TestingTest carried...
Renewable Energy

Solar Cell: Principle of Operation & Construction

Table of ContentsHow do solar cells work?Symbolic Representation of Solar CellConstruction of the solar...
Electrical Calculators

Ground Wire Size Calculator

The Ground Wire (Conductor) Size Calculator will determine the appropriate size of ground conductor...
Preventive Maintenance

Maintenance of the Transformers

Table of ContentsProcess for Maintenance of TransformerMonthly Inspections of the Transformers for MaintenanceDaily Inspection...
Basic Electrical

Electrical Diagrams & Drawing Types

Table of Contents1). Block Diagram2). Schematic Diagram3). One-line Diagram or Single Line Diagram4). Wiring...
Electrical Procedures

Electrical Motor Installation

Electric Motor A device that makes use of the concept of energy conversion which transforms...
Electrical Interview

POWER SYSTEM INTERVIEW QUESTIONS

1). What is Power System? The Power system is a system that is made up...
Basic Electrical

Electronic Ballast: Working Principle & Circuit Diagram

Table of ContentsWhat is meant by Electronic Ballast?Block Diagram of Electronic Ballast1). EMI Filter2). Rectifier3)....
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Excel Tools

Inverse Defined Minimum Time (IDMT) Calculator

Calculator Inverse Defined Minimum Time CalculatorDownload An Inverse Defined Minimum Time (IDMT) Calculator is an online...
Transmission

Essential Oil Immersed Shunt Reactors Commissioning Checklist

Commissioning oil-immersed shunt reactors is essential for ensuring consistent operation in power systems.  These reactors...
Electrical Procedures

Step-by-Step Guide to Motor Overhauling: A Complete Procedure

Motor overhauling is the process of restoring or repairing defective electric motors to their...
Electric Motors

Electrical Motor Troubleshooting Chart

Electrical motors are essential components in many industrial & commercial applications, & like any machinery, they...
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