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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

What is a Negative Phase Sequence?

Table of ContentsWhat is a Negative Phase Sequence?What is Positive and Negative Phase?Negative Phase...
Electric Motors

Types of Electrical Maintenance in Induction Motor

Table of ContentsWhat is Electrical Maintenance?Induction Motor MaintenanceInduction Motor Routine MaintenanceInduction Motor Preventive MaintenanceInduction...
Electrical Notes & Articles

Electrical Self-Inspection Checklist

Table of ContentsWhat are the activities involved in an inspection of an electric circuit?Electrical...
Electrical Safety

Understanding Arc Flash: Causes, Effects, and Prevention

Table of ContentsWhat is an Arc Flash?What is the principle of Arc Flash?What are...
Switchgear

Medium Voltage (MV) Switchgear Operation: Safety Precautions and Procedures

Table of ContentsIntroduction  Hazards of Operating on Electrical Equipment  Impact of Hazards on Switchgear OperationsClose ProximitySafety...
Electrical Calculators

Motor Efficiency Calculator

A motor efficiency calculator normally requires input of essential characteristics such as the motor's...
Transmission

Types of Electrical Substations and Functions

Table of ContentsWhat is a Substation?Importance of SubstationTypes of SubstationsTypes of Substations according to...
Electrical How to

How to Measure Current using Arduino and Current Sensor?

Table of ContentsOverviewACS712 Current Sensor Pin Diagram of ACS712 Current Sensor Types of ACS712 Current SensorsSelecting...
Transformers

Working Principles of Center-Tapped Transformers: An Overview

Table of ContentsCenter-Tapped TransformerWorking Principle of a Center Tapped TransformerConstruction of Center Tapped TransformerWorking...
Electric Motors

12-Steps to Improve Motor Efficiency

Table of ContentsWhat is Electric Motor Efficiency?Motor Efficiency SymbolMotor Efficiency FormulaBasic Motor PartsLosses in...
Switchgear

How to Test a Relay? Checking SSR & Coil Relays

Table of ContentsWhat is a Relay?What is the principle of a Relay?Terminals of RelayTerminal...
Generators

8 Step-by-Step Guide to Determine Generator Requirements

Table of ContentsOverview1). Generator Impedances2). Excitation System3). Output Voltage Variations4). Efficiency5). Generator Cooling6). Generator...
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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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