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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 Interview

Power Electronics Interview Questions

1). What is a Power Amplifier? A power amplifier amplifies weak signal until it has enough power to drive an output device, such as a loudspeaker. 2). What are the Characteristics of a Power Amplifier? Impedance matching to provide maximum power to load. Power transistors are required to tolerate...
Transformers

Vector Group of Transformer

The Vector Group of a transformer is an essential parameter that determines the phase difference and wire configuration of the transformer.  Table of ContentsWhat is Vector Group of Transformer?Phase Displacement between HV & LV WindingsPhase Shift of TransformerWhy is Vector Group Important?Common Vector Groups &...
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Protection

Understanding GFCI: Essential Safety Measures in Electrical Systems

Table of ContentsWhat does a ground fault mean?What is meant by a GFCI?How Does GFCI Work?Diagram...
Protection

Electrical Lockout and Tagout (LOTO) Procedure

Table of ContentsDefine Lock Out Tag Out (LOTO)Importance of LOTOWhat is a "locked tag" and...
Protection

Why is PPE essential for Electrical Work Safety?

Table of ContentsWhat is Electrical PPE?PPE's Importance in Electrical SafetyDifferent PPE Types for Electrical WorkConsiderations...
Troubleshooting

Electrical Cabinet Troubleshooting Protocol: Preventing Electrical Cabinet Failures

Table of ContentsWhat is an Electrical Cabinet?Characteristics of Electrical CabinetControlling Electrical Cabinet ProblemsGeneral Checklist...
Transformers

Exploring the Function of Current Transformers in Electrical Systems

Table of ContentsWhat is Current Transformer?Current Transformer ConstructionComponents of Current TransformerCurrent Transformer Working Principle  Current...
Electrical Procedures

Standard Operating Control Procedures for Electrical Systems

Table of ContentsWhat is an OCP-operational control procedure?Electrical Operational Control ProcedurePurpose and ScopeResponsibilityOverview of...
Protection

UPS System Start-Up and Commissioning: Key Elements for Success

Table of ContentsUPS System Start-Up and CommissioningWhat is UPS Commissioning?Verifying Proper Electrical ConnectionsHow do...
Electrical Procedures

UPS and Battery System Commissioning Checklist

Table of ContentsEssential Tools and InstrumentsPreliminary Check (Initial Inspection)Electrical Inspections and TestingInsulation Resistance TestSystem...
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...
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Electrical Interview

Power Electronics Interview Questions

1). What is a Power Amplifier? A power amplifier amplifies weak signal until it has...
Transformers

Vector Group of Transformer

The Vector Group of a transformer is an essential parameter that determines the phase...
Basic Electrical

Switch Types & their Working Principle

Table of ContentsWhat is Switch?Characteristics of SwitchesMechanical SwitchesTypes of Mechanical Switches1). SPST - Single...
Batteries

Battery Testing Procedure

Battery Testing Battery testing comprises measuring the voltage, capacity, & other parameters of the battery with the...
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