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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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Protection

Busbar Protection Schemes

Table of ContentsWhat is Busbar?What is the Purpose of a Busbar? What is Busbar Protection?How...
Electrical How to

Essential Checklist: Conducting Pre-Commissioning Tests for Transformers on Site

Table of ContentsWhy are Pre-Commissioning Tests Performed?What are the Tests before Commissioning a Transformer?Importance...
Software

Comparison of PLC vs RTU: Key Differences

Table of ContentsWhat is PLC?Advantages of PLCDisadvantages of PLCWhat is RTU?Advantages of RTUDisadvantages of RTUPLC...
Electrical Tools

Portable Power Tools Inspection Checklist

Table of ContentsInspection Checklist for Portable Power ToolsRegular Inspection and its ImportancePortable Electrical Power...
Switchgear

What is an Automatic Transfer Switch and How Does It Work?

Table of ContentsWhat is an Automatic Transfer Switch (ATS)?Working Principle of an Automatic Transfer...
Electric Motors

Understanding Different Types of Losses in DC Machines

Table of ContentsWhat is a DC Machine?Importance of DC Machines in Different IndustriesSignificance of...
Transformers

Step-by-Step Procedure: Megger Testing for Transformer Insulation Resistance

Purpose The most basic and popular test for determining the strength of transformer insulation is...
Electric Motors

Motor Reliability: Megger’s Winding Insulation Resistance Test

Table of ContentsThumb RuleIR Testers Selection (Megger)Meggering - Test VoltageMegger's Measurement RangeMeggering PrecautionsMeggering Safety...
Preventive Maintenance

Maintenance Checklist for Motor Starter

A motor starter is an important electrical equipment that is used to start and...
Electrical Calculators

DC Motor Total Power Loss Calculator

The total power loss calculator for DC motors provides an estimate of the total...
Electrical Calculators

DC Machine Core Loss Calculator

A highly sophisticated calculator created for accurately evaluating core losses within DC machines is the...
Protection

Electrical Operations Risk Assessment

Table of ContentsWhat is an Electrical Risk Assessment?Electrical Safety at WorkElectrical Risk Assessment ObjectivesFramework...
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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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