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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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Electrical Calculators

Line To Phase Voltage Calculator

Calculator Click here for more Electrical Calculators A Line-to-Phase Voltage Calculator calculates the voltage between a line conductor & the neutral point (also known as phase voltage) in a 3-phase electrical system. It works especially well when the line voltage (line-to-line voltage) is known and the connection...
Distribution

What causes DC System Failures in Substations?

In any substation, the DC distribution system serves as the foundation for Table of ContentsDC Power Supply System in Electrical Substation7 Causes of DC System Failures1). Battery Bank Failure2). Charger Malfunction3).  Ground Faults in DC Circuits4). Overloaded DC Circuits 5). Breaker (or) Fuse Failures in DC Panels6)....
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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...
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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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Safety Assessment: Earth Fault Loop Impedance Testing

Table of ContentsWhat is Earth Fault Loop Impedance Test?Why to do Earth Fault Loop...
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ETAP: Electrical Engineering Software for Power Systems Analysis and Design

Table of ContentsETAP - Electrical Transient Analyzer ProgramOverview of the Features of the ETAPETAP...
Electric Motors

Automated and Manual Motor Control with VFD and DOL Starter

Table of ContentsDOL Starter & VFDComponentsWiring a VFD and a DOL Starter for Automatic/Manual...
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Free Online Tool for Electric Circuit Schematic Creation

An electric circuit may be represented by a diagram by employing an array of...
Electrical Interview

Marine Electrical Systems: Q&A

1). What is the term under-voltage protection? It protects the breaker from being accidentally closed, or...
Basic Electrical

Current Measurement Using Voltage DAQ Systems

Table of ContentsInput ImpedanceData Acquisition SystemsElectrical ShuntCalculationsMeasurement of 4–20 mA Input using Voltage Input...
Excel Tools

Essential Electrical & Instrumentation Excel Tools

Electrical Engineering Excel Toolkit Electrical Excel tools are a number of spreadsheets that are meant...
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Electrical Calculators

Line To Phase Voltage Calculator

Calculator Click here for more Electrical Calculators A Line-to-Phase Voltage Calculator calculates the voltage between a line...
Distribution

What causes DC System Failures in Substations?

In any substation, the DC distribution system serves as the foundation for Table of ContentsDC...
Preventive Maintenance

Functional Testing for Electrical Systems

To ensure an electrical installation's safety, performance, and reliability, an entire checklist of functional...
Electrical Interview

Substation Testing Interview Questions

1). What is CT? A Current Transformer (CT) is an instrument transformer that reduces large...
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