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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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Switchgear

Explain the step-by-step procedure for conducting an Electrical Panel Board Inspection

Table of ContentsWhat is meant by the term "Electrical Panel Board Inspection "?Visual Inspection Parameter...
Excel Tools

Electrical Load Analysis Tool: Transformer, Fuse, and Circuit Breaker Sizing

Table of ContentsOvercurrent Protection Device RatingsSize Measurements of the Protective DeviceProtection at both the Primary...
Switchgear

How does Trip Circuit Supervision enhance Electrical Safety?

Table of ContentsWhat is a Switchgear?Trip Circuit in SwitchgearWhat is Trip Circuit Supervision?Working Principle What...
Batteries

Battery System Start-Up and Commissioning Procedure

Table of ContentsWhat are the essential steps for battery system start-up and commissioning?Battery System...
Electric Motors

Preventive Maintenance Procedure for High-Tension (HT) Motors

Table of ContentsHT Motor Preventive MaintenanceRequired Test EquipmentSpare PartsSafetyBefore The TestProcedureMotor ChecklistFeeder Checklist Preventive maintenance...
Protection

What is Water Trees & Electrical Trees in cables?: Exploring the Causes and Consequences of Cable Insulation Failure

Table of ContentsWhat is "Treeing" in High-Voltage (HV)?What is meant by Water Tree?What is...
Protection

Uninterrupted Power Source (UPS) Testing Evaluation

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Excel Tools

Transformer Protection with IDMT Relays (Over Current / Earth Fault / Differential)

Table of ContentsFunction of IDMT RelaysImportant FactorsIDMT CharacteristicsSettings for Earth FaultsCoordinationTesting and CommissioningSignificance of...
Electric Motors

How to select Motor for Optimal Performance Speed, Power, and Torque?

This post examines over how to choose an electric motor based on speed, power,...
Electrical How to

How to interpret Technical Data Sheet for Low Voltage (LV) Switchgear?

Table of ContentsWhat is Switchgear?What is Low-Voltage Switchgear?Overall InformationTerminologyTechnical Data Sheet for LV SwitchgearDatasheet What is...
Electrical How to

How to Connect a 3-Phase Motor with Solid State Relay?

Table of ContentsWhat is Solid State Relay (SSR)?Circuit DiagramComponentsWiring MethodologyOperating ProcedureFunction using SSRAdvantagesPrecautions for...
Protection

General requirements for the installation of UPS systems

Table of ContentsWhat are the room design requirements for UPS?What is the general arrangement...
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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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