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.

Explain Air Circuit Breaker (ACB) and their Working Principle

Table of ContentsWhat is an Air Circuit Breaker?Components of ACBConstruction of Air Circuit BreakerAir Circuit Breaker Working PrincipleAir Circuit Breaker WorkingTypes of Air Break Circuit BreakersMaintenance of Air Circuit BreakerWhat is the operating principle of ACB?Advantages of Air Circuit BreakerDisadvantages of Air Circuit BreakerApplication of...

Troubleshooting of Air Circuit Breakers (ACB)

Table of ContentsACB Troubleshooting1). The Breaker is Not Closing2). Breaker is not Tripping - with Under-voltage (or) Stunt release3). Breaker is not Tripping using Manual Push Button4). ACB does not Trip in case of Overload (or) Short Circuit Fault5). ACB's Main Contact points are not Closing6). Pitting...
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Pre Commissioning Test Procedure for High Voltage Cable

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

Ring Main Unit (RMU) Test Procedure

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

Power Transformer Datasheet

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

MCC & PCC Panel Safety Checklist

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

Explain about Relay and their Types

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

Power System Communication

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

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 Testing

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

Preventive Maintenance of HT Panel

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

Electrical Preventive Maintenance and Checklist

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

Site Acceptance Test (SAT) Procedure for MV Switchgear Panel

Table of ContentsPre-Requirements of MV SwitchgearSafety PrecautionsTest EquipmentGeneral InformationMechanical Check and Visual InspectionTest ProcedureStep-1:...

What is Vacuum Circuit Breaker (VCB)? Explain its Working Principle

Table of ContentsWhat is a Vacuum Circuit Breaker (VCB)?Components of VCBContact Materials of VCBWorking...

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Explain Air Circuit Breaker (ACB) and their Working Principle

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

Troubleshooting of Air Circuit Breakers (ACB)

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

Pre Commissioning Test Procedure for High Voltage Cable

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

Ring Main Unit (RMU) Test Procedure

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