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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 Projects

Wireless DC Motor Speed Control System Using IGBT

Table of ContentsAbstractExisting SystemProposed SystemBlock Diagram Detail Pulse Width ModulationDC MotorAdvantagesApplications Abstract In today's environment, power saving systems provide a wide range of objectives.  We are using a remote control to operate an electronic D.C. motor speed regulator.   This regulator maintains the motor's programmed speed constant. This "Wireless...
Electric Motors

How to Select a Variable Frequency Drive (VFD)?

Table of ContentsSelection of VFDLoad Type for VFDMotor DetailsPower SupplyMethods for Controlling VFDSpeed Reference AlternativesEfficiency and Power FactorProtection & Electrical Stability (Power Quality)HarmonicsHorsepower (HP)Full-Load Amps (FLA) Selection of VFD Selecting the ideal VFD (or) motor controller can be slightly difficult due to the numerous factors involved in each...
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Transformers

What is Over Fluxing in Power Transformer?

Table of ContentsWhat is Fluxing in Transformers?What is Over-Fluxing?Causes of Over-fluxing in TransformersEffects of...
Switchgear

Explain Air Circuit Breaker (ACB) and their Working Principle

Table of ContentsWhat is an Air Circuit Breaker?Components of ACBConstruction of Air Circuit BreakerAir...
Switchgear

Troubleshooting of Air Circuit Breakers (ACB)

Table of ContentsACB Troubleshooting1). The Breaker is Not Closing2). Breaker is not Tripping - with...
Transmission

Pre Commissioning Test Procedure for High Voltage Cable

Table of ContentsPurposeScopePersonal Protective Equipment (PPE)ResponsibilityWork Activity & DescriptionsTest ProcedureStep-1: Visual & Mechanical Inspection Step-2:...
Electrical Procedures

Ring Main Unit (RMU) Test Procedure

Table of ContentsIntroductionSafety Measures Tools RequiredRelevant Codes & StandardsHV BreakerVisual InspectionContact Resistance TestInsulation Resistance Test            High...
Electrical Notes & Articles

Power Transformer Datasheet

Table of ContentsSpecific DataGeneral ConditionsDesign DataEnvironmental DataElectrical CharacteristicsControl, Alarms and AccessoriesTransformer ArrangementCable Details Specific Data This...
Electrical Notes & Articles

MCC & PCC Panel Safety Checklist

Table of ContentsObjectiveScopeSafety PPE to useSafety considerations to take when doing an electrical panel...
Protection

Explain about Relay and their Types

Table of ContentsWhat is Relay?Working Principle of RelayConstruction of a RelayTerminals for Relay1). Control...
Utilities

Power System Communication

Table of ContentsCommunication for Power SystemTelecommunicationSCADA System Energy Management System (EMS)Applications of Power System Communications Communication...
Switchgear

Explain the Working Principle of Oil Circuit Breaker (OCB)

Table of ContentsWhat is an Oil Circuit Breaker?Oil Circuit Breaker DiagramConstruction of an Oil...
Switchgear

Switchgear Testing

Table of ContentsWhy Switchgear Testing is done?What is done during Switchgear Testing?Operations Carried Out...
Preventive Maintenance

Preventive Maintenance of HT Panel

Table of ContentsObjectiveScopeAbbreviationsResponsibilityOHS (Occupational Health and Safety) RiskCautions & Special Safety PrecautionsSpecial Personal Safety...
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Electrical Projects

Wireless DC Motor Speed Control System Using IGBT

Table of ContentsAbstractExisting SystemProposed SystemBlock Diagram Detail Pulse Width ModulationDC MotorAdvantagesApplications Abstract In today's environment, power saving...
Electric Motors

How to Select a Variable Frequency Drive (VFD)?

Table of ContentsSelection of VFDLoad Type for VFDMotor DetailsPower SupplyMethods for Controlling VFDSpeed Reference AlternativesEfficiency...
Transformers

What is Over Fluxing in Power Transformer?

Table of ContentsWhat is Fluxing in Transformers?What is Over-Fluxing?Causes of Over-fluxing in TransformersEffects of...
Switchgear

Explain Air Circuit Breaker (ACB) and their Working Principle

Table of ContentsWhat is an Air Circuit Breaker?Components of ACBConstruction of Air Circuit BreakerAir...
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