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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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Preventive Maintenance

Earth Pit Preventive Maintenance

Earth Pit An "Earth pit" in electrical systems is a hole that is dug out...
Transmission

Substation Layout Design

Electrical Substation In modern times, the need for electrical power is steadily increasing. To accommodate...
Electrical Notes & Articles

Auxiliary Transformer Testing Checklist

Auxiliary transformers play an important role in providing power to substation auxiliaries, and proper...
Machines

Maintenance and Troubleshooting of DC Machines

DC Machine An electrical machine is an electrical device that transforms mechanical energy converted into electrical energy...
Software

Top Electrical AutoCAD Commands

AutoCAD is a popular computer-aided design (CAD) program for drawing and designing electrical, mechanical,...
Electrical Notes & Articles

132/33/11 kV Substation Commissioning Checklist

Substation commissioning is an important step in power system implementation because it ensures that...
Troubleshooting

VCB Troubleshooting Procedure

What is Vacuum Circuit Breaker (VCB)? In the high tension (HT) panel, this breaker is...
Protection

Insulation Coordination and Surge Protection in High Voltage Systems

What is Insulation Coordination? Insulation Coordination is the procedure of determining the appropriate insulation levels...
Electrical Interview

25 Most Asked EEE Interview Questions

1). Describe the Essential Components of an Electrical Circuit Skilled electrical engineers should understand the...
Electrical Notes & Articles

CT Supervision Relay Testing Checklist

What is a Supervision Relay? A supervision relay, also known as a trip circuit supervision...
Electrical Procedures

Power Transformer Testing Procedure

Power Transformers are developed, manufactured, & tested to high standards, and they are known...
Basic Electrical

Indian Electricity Rules (IE Rules)

To ensure safe and dependable electrical installations and operations, the Indian Electricity Rules, or...
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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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