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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 Safety

LOTO Colour Coding

What are LOTO Color Codes? In order to standardize the determination of locks and tags according to their function & level of control, the LOTO (Lockout/Tagout) Color Coding method is implemented. Table of ContentsWhat are LOTO Color Codes?How to read LOTO Color Codes?What does LOTO colors...
Protection

What is a Distance Relay?

Distance relays are the most essential distance protection elements, and their effectiveness is determined by the distance between the source/feeder point & the location of the fault.  Table of ContentsWhat is a Distance Relay?Distance Relay Working PrincipleFunction of Distance RelayNormal ConditionFault ConditionTypes of Distance Relays1). Impedance Relay2)....
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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...
Electrical Notes & Articles

Electrical Preventive Maintenance and Checklist

Table of ContentsWhat is the Basic Electrical Maintenance?What is Preventive Maintenance in Electrical?Why Should...
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Electrical Safety

LOTO Colour Coding

What are LOTO Color Codes? In order to standardize the determination of locks and tags...
Protection

What is a Distance Relay?

Distance relays are the most essential distance protection elements, and their effectiveness is determined...
Transformers

Autotransformer Turns Ratio Test

What is an Autotransformer? There is a type of electrical transformer known as an auto...
Electrical Procedures

VLF Testing Procedure

What is VLF Testing? Very Low Frequency (VLF) testing is a method for determining the...
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