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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 the step-by-step procedure for conducting an Electrical Panel Board Inspection

Table of ContentsWhat is meant by the term "Electrical Panel Board Inspection "?Visual Inspection Parameter...
Excel Tools

Electrical Load Analysis Tool: Transformer, Fuse, and Circuit Breaker Sizing

Table of ContentsOvercurrent Protection Device RatingsSize Measurements of the Protective DeviceProtection at both the Primary...
Switchgear

How does Trip Circuit Supervision enhance Electrical Safety?

Table of ContentsWhat is a Switchgear?Trip Circuit in SwitchgearWhat is Trip Circuit Supervision?Working Principle What...
Batteries

Battery System Start-Up and Commissioning Procedure

Table of ContentsWhat are the essential steps for battery system start-up and commissioning?Battery System...
Electric Motors

Preventive Maintenance Procedure for High-Tension (HT) Motors

Table of ContentsHT Motor Preventive MaintenanceRequired Test EquipmentSpare PartsSafetyBefore The TestProcedureMotor ChecklistFeeder Checklist Preventive maintenance...
Protection

What is Water Trees & Electrical Trees in cables?: Exploring the Causes and Consequences of Cable Insulation Failure

Table of ContentsWhat is "Treeing" in High-Voltage (HV)?What is meant by Water Tree?What is...
Protection

Uninterrupted Power Source (UPS) Testing Evaluation

Table of ContentsPre-Installation TestCombined TestMaintenance Test An electrical device known as an uninterruptible power supply,...
Excel Tools

Transformer Protection with IDMT Relays (Over Current / Earth Fault / Differential)

Table of ContentsFunction of IDMT RelaysImportant FactorsIDMT CharacteristicsSettings for Earth FaultsCoordinationTesting and CommissioningSignificance of...
Electric Motors

How to select Motor for Optimal Performance Speed, Power, and Torque?

This post examines over how to choose an electric motor based on speed, power,...
Electrical How to

How to interpret Technical Data Sheet for Low Voltage (LV) Switchgear?

Table of ContentsWhat is Switchgear?What is Low-Voltage Switchgear?Overall InformationTerminologyTechnical Data Sheet for LV SwitchgearDatasheet What is...
Electrical How to

How to Connect a 3-Phase Motor with Solid State Relay?

Table of ContentsWhat is Solid State Relay (SSR)?Circuit DiagramComponentsWiring MethodologyOperating ProcedureFunction using SSRAdvantagesPrecautions for...
Protection

General requirements for the installation of UPS systems

Table of ContentsWhat are the room design requirements for UPS?What is the general arrangement...
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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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