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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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Generators

What is Generator Protection?

Table of ContentsTypes of Generator FaultsInternal Fault Types in a GeneratorExternal Fault Types in...
Electrical Interview

Relay Interview Questions

1). What is an inverse time over current relay's characterizing feature? The length of time...
Drives

Soft Starter requirements in Industrial motors

Table of ContentsMotor StarterWhat is a Soft Starter?Soft Starter DiagramWorking Principle of Soft StarterAdvantages...
Drives

Principle of setting VFD parameters

Table of Contents1). Acceleration/Deceleration Time2). Torque Boosting3). Protection against electronic Thermal Overload4). Frequency Limitation5)....
Electric Motors

What is an AC Motor? Explain its types

Table of ContentsWhat is an AC motor?Working Principle of an AC motorConstruction of an...
Transmission

What is meant by Unified Power Quality Conditioner (UPQC)?

Table of ContentsWhat is Unified Power Quality Conditioner (UPQC)?Configuration of UPQCOperation of UPQCFeatures of...
Electrical How to

How to do Motor Solo Run (No-load) Test?

Table of ContentsWhat is meant by motor solo run test?Objective of Solo Run TestSolo...
Electrical Notes & Articles

Types of AC Motor Duty Cycle according to IEC Standards

What is a Motor's IEC Duty Cycle? The duty cycle ratings provided by the IEC...
Distribution

Maintenance in Electrical Distribution Networks

Table of ContentsDeveloping Maintenance SchedulesRoutine MaintenanceRoutine Maintenance Proceduresa). Distribution Networksb). Switchgear and Switchyard Equipment Electric...
Switchgear

MCB, MCCB, RCCB, RCBO& ELCB

MCB SYMBOL
Basic Electrical

What is the difference between a Wire & a Cable?

Table of ContentsWhat is Wire?1). Solid Wire2). Stranded WireWhat is Cable?1). Multi-conductor Cable2). Fiber...
Utilities

What is Power Cable Loss?

Table of ContentsPower Cable LossResistive LossReactive LossOhmic Conductor Losses Power Losses due to skin effectPower...
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Latest articles

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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