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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

What is a Stepper Motor? How does it work?

What is a Stepper Motor? A stepper motor is an electric motor that works on...
Transformers

Losses in a Transformer

The power delivered to the transformer's input terminal must match the power delivered to...
Electrical How to

Why DC Series Motor should not be started at No Load?

What is the DC series motor? A DC series motor connects the armature & field windings in...
Protection

What is a Surge Arrester? Explain its Working Principle and Types

What is a Surge Arrester? A surge arrester, as the name implies, is a device...
Electrical Interview

Electrical Interview Questions – Part 5

1). What is meant by Regenerative Braking? When a running motor's supply is shut off,...
Transformers

What is an On-Load Tap Changing Transformer (OLTC)?

Transformer is an electrical device which employs the working of Faraday's law of induction...
Basic Electrical

Why does a Megger Use a DC Generator?

Megger is a brand name under which one can find various types of Insulation...
Electrical Calculators

Knee Point Voltage Calculator

What is Knee Voltage? Knee point voltage, also referred to as "knee voltage" or "knee...
Electrical Procedures

Step-by-Step Procedure to Test Trip Circuit Supervision Relay

What is a Trip Circuit Supervision Relay? The TCS supervision relay is designed to continuously...
Electrical Interview

Power Engineering: The Ultimate Q&A for Professionals

1). What is meant by "Synchronous Condenser"? Synchronous condenser refers to an over-excited synchronous motor...
Switchgear

APFC (Automatic Power Factor Correction) Panel

What is an Automatic Power Factor Correction Panel? Automatic Power Factor Control, or APFC Panels,...
Basic Electrical

Common Electrical Abbreviations

Electrical abbreviations, which include both electrical full forms and electrical short forms, are essential in...
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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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