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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 How to

ACDB Panel – Functional Test Checklist

Electrical panels are the basis of power distribution systems, & their safe and efficient operation depends on extensive testing & inspection protocols. This post describes a thorough approach to exploring control and protection panels, including  Mechanical integrity,  Functional inspections,  Interlock systems, and  DC and AC Auxiliary circuits.  These steps verify...
Switchgear

What is a Master Trip Relay? Why is it important in Power Systems?

What is a Master Trip Relay? The Master Trip Relay, which is also known as the Lockout Relay (Relay 86) (ANSI 86), is an essential component in electrical protection & control systems.  Table of ContentsWhat is a Master Trip Relay?Purpose & Functionality of Master Trip RelayWorking Principle...
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Electric Motors

Difference Between Star and Delta Connection

Table of ContentsStar Connection Advantages of Star Connection Disadvantages of Star Connection Applications of Star Connection Delta Connection Advantages...
Electrical Notes & Articles

Starter Panel Checklist

This organized post covers the essential electrical starter panel installation checks and documentation. Table of ContentsGeneral Record/Drawing...
Electrical Calculators

Electrical Power Calculator

What is Electrical Power? In electrical circuit, electrical power depicts the amount of energy transferred...
Electrical Interview

Electrical Maintenance Technician Q&A

1). What is an electrical system as shown below? Transformer  MV Switchgear  LV MCC / Switchgear  Synchronize Panel  Generator  NGR...
Control Systems

Closed Loop Control of Drives

In a closed loop system, a portion of the output of the system is...
Transformers

Condition Monitoring of Transformer

Transformers serve a significant part in both the electrical grid & industrial processes.  Table of...
Protection

Why and How to Test Protective Devices in Electrical Systems?

Equipment connected to electric power systems for the purpose of monitoring and identifying conditions...
Transformers

Auto Transformer: Definition, Working Principle, and Diagrammatic Representation

An autotransformer may be described as an electrical transformer where there is only one...
Electric Motors

Exploring the Need for Starters in DC Motor Systems

DC motors can be said to be more commonly used than the other types...
Electrical Calculators

RC (Resistor-Capacitor) Circuit Calculator

You will need to use the following RC circuit calculator to determine the characteristic...
Protection

Protection System Testing

Protection system testing is essential for ensuring that electrical systems are reliable and safe....
Electric Motors

Step-by-Step Motor Starter Troubleshooting and Repair

Understand the basics of motor starter repair and troubleshooting with help of this post.  Learn...
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Electrical How to

ACDB Panel – Functional Test Checklist

Electrical panels are the basis of power distribution systems, & their safe and efficient...
Switchgear

What is a Master Trip Relay? Why is it important in Power Systems?

What is a Master Trip Relay? The Master Trip Relay, which is also known as...
Electrical Calculators

Source Voltage Calculator

Calculating the source voltage (VS) in the electrical circuits is an essential part of understanding and...
Electrical Procedures

Essential Pre-Commissioning Tests for Electrical Equipment

Pre-commissioning testing is an important step before turning on any electrical equipment (or) system.  Table of...
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