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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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Transformers

Stray Losses in Transformer

Stray losses in a transformer are caused by leakage fluxes (i.e., magnetic flux that is not contained within the core) that induce eddy currents in neighboring metallic parts which include the  Table of ContentsTypes of Transformer LossesCore (Iron) LossCopper (Ohmic) LossDielectric LossStray LossWhat is Stray...
Preventive Maintenance

Preventive Maintenance of Disconnector & Earthing Switches

Disconnector and earthing switches are essential components of electrical substations and distribution networks.  Table of ContentsObjectiveScopeEquipment RequiredSafety PrecautionsMaintenance ScheduleMaintenance ProcedureVisual InspectionMechanical InspectionElectrical TestsCleaningFunctional TestingManual Operation CheckMotorised (or) Remote Operation TestEarthing Switch VerificationFinal Safety RestorationCommon Issues and TroubleshootingSafety RestorationDocumentationSummary Preventive maintenance improves operational reliability, equipment life, and safety...
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Electrical Procedures

LT Protection Relay Testing Procedure

Low Tension (LT) protection relays protect electrical systems by finding abnormal conditions such as  Table...
Electrical Calculators

CT Burden Resistor Calculator

Calculator Click here for more Electrical Calculators What is a CT Burden Resistor? A CT burden resistor is...
Transmission

Why do we use 3-Phase Systems instead of 1-Phase & 2-Phase Systems?

What is a “Phase” in Electrical Systems? In alternating current (AC) power systems, a phase...
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...
Electrical How to

Auto Reclose Relay Testing Checklist

Auto reclose relays are essential parts of modern power systems, boosting system reliability and...
Electrical How to

ACDB Panel – Functional Test Checklist

Electrical panels are the basis of power distribution systems, & their safe and efficient...
Switchgear

What is a Master Trip Relay? Why is it important in Power Systems?

What is a Master Trip Relay? The Master Trip Relay, which is also known as...
Electrical Calculators

Source Voltage Calculator

Calculating the source voltage (VS) in the electrical circuits is an essential part of understanding and...
Electrical Procedures

Essential Pre-Commissioning Tests for Electrical Equipment

Pre-commissioning testing is an important step before turning on any electrical equipment (or) system.  Table of...
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Transformers

Stray Losses in Transformer

Stray losses in a transformer are caused by leakage fluxes (i.e., magnetic flux that...
Preventive Maintenance

Preventive Maintenance of Disconnector & Earthing Switches

Disconnector and earthing switches are essential components of electrical substations and distribution networks.  Table of...
Electrical Interview

Nuclear Power Plant Electrical Engineer Interview Questions

1). What is the role of an electrical generator in a Nuclear Power Plant? The...
Generators

Diesel Generator Troubleshooting: Problems, Causes & Corrective Actions

Diesel Generator Diesel generators are essential for providing backup and emergency power to industrial, commercial,...
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