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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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Generators

What is Generator Protection?

Table of ContentsTypes of Generator FaultsInternal Fault Types in a GeneratorExternal Fault Types in...
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Relay Interview Questions

1). What is an inverse time over current relay's characterizing feature? The length of time...
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Soft Starter requirements in Industrial motors

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Drives

Principle of setting VFD parameters

Table of Contents1). Acceleration/Deceleration Time2). Torque Boosting3). Protection against electronic Thermal Overload4). Frequency Limitation5)....
Electric Motors

What is an AC Motor? Explain its types

Table of ContentsWhat is an AC motor?Working Principle of an AC motorConstruction of an...
Transmission

What is meant by Unified Power Quality Conditioner (UPQC)?

Table of ContentsWhat is Unified Power Quality Conditioner (UPQC)?Configuration of UPQCOperation of UPQCFeatures of...
Electrical How to

How to do Motor Solo Run (No-load) Test?

Table of ContentsWhat is meant by motor solo run test?Objective of Solo Run TestSolo...
Electrical Notes & Articles

Types of AC Motor Duty Cycle according to IEC Standards

What is a Motor's IEC Duty Cycle? The duty cycle ratings provided by the IEC...
Distribution

Maintenance in Electrical Distribution Networks

Table of ContentsDeveloping Maintenance SchedulesRoutine MaintenanceRoutine Maintenance Proceduresa). Distribution Networksb). Switchgear and Switchyard Equipment Electric...
Switchgear

MCB, MCCB, RCCB, RCBO& ELCB

MCB SYMBOL
Basic Electrical

What is the difference between a Wire & a Cable?

Table of ContentsWhat is Wire?1). Solid Wire2). Stranded WireWhat is Cable?1). Multi-conductor Cable2). Fiber...
Utilities

What is Power Cable Loss?

Table of ContentsPower Cable LossResistive LossReactive LossOhmic Conductor Losses Power Losses due to skin effectPower...
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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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