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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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Basic Electrical

What is a Negative Phase Sequence?

Table of ContentsWhat is a Negative Phase Sequence?What is Positive and Negative Phase?Negative Phase...
Electric Motors

Types of Electrical Maintenance in Induction Motor

Table of ContentsWhat is Electrical Maintenance?Induction Motor MaintenanceInduction Motor Routine MaintenanceInduction Motor Preventive MaintenanceInduction...
Electrical Notes & Articles

Electrical Self-Inspection Checklist

Table of ContentsWhat are the activities involved in an inspection of an electric circuit?Electrical...
Electrical Safety

Understanding Arc Flash: Causes, Effects, and Prevention

Table of ContentsWhat is an Arc Flash?What is the principle of Arc Flash?What are...
Switchgear

Medium Voltage (MV) Switchgear Operation: Safety Precautions and Procedures

Table of ContentsIntroduction  Hazards of Operating on Electrical Equipment  Impact of Hazards on Switchgear OperationsClose ProximitySafety...
Electrical Calculators

Motor Efficiency Calculator

A motor efficiency calculator normally requires input of essential characteristics such as the motor's...
Transmission

Types of Electrical Substations and Functions

Table of ContentsWhat is a Substation?Importance of SubstationTypes of SubstationsTypes of Substations according to...
Electrical How to

How to Measure Current using Arduino and Current Sensor?

Table of ContentsOverviewACS712 Current Sensor Pin Diagram of ACS712 Current Sensor Types of ACS712 Current SensorsSelecting...
Transformers

Working Principles of Center-Tapped Transformers: An Overview

Table of ContentsCenter-Tapped TransformerWorking Principle of a Center Tapped TransformerConstruction of Center Tapped TransformerWorking...
Electric Motors

12-Steps to Improve Motor Efficiency

Table of ContentsWhat is Electric Motor Efficiency?Motor Efficiency SymbolMotor Efficiency FormulaBasic Motor PartsLosses in...
Switchgear

How to Test a Relay? Checking SSR & Coil Relays

Table of ContentsWhat is a Relay?What is the principle of a Relay?Terminals of RelayTerminal...
Generators

8 Step-by-Step Guide to Determine Generator Requirements

Table of ContentsOverview1). Generator Impedances2). Excitation System3). Output Voltage Variations4). Efficiency5). Generator Cooling6). Generator...
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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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