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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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Electrical Notes & Articles

Motor Control Panel (MCP) Inspection Checklist

What is a Motor Control Panel? An electric motor control panel (MCP) distributes power to...
Electrical Calculators

Phase Current Calculator

What is meant by Phase Current? Phase current is the current that flows through the...
Electrical Interview

Power Electronics Interview Questions

1). What is a Power Amplifier? A power amplifier amplifies weak signal until it has...
Transformers

Vector Group of Transformer

The Vector Group of a transformer is an essential parameter that determines the phase...
Basic Electrical

Switch Types & their Working Principle

Table of ContentsWhat is Switch?Characteristics of SwitchesMechanical SwitchesTypes of Mechanical Switches1). SPST - Single...
Batteries

Battery Testing Procedure

Battery Testing Battery testing comprises measuring the voltage, capacity, & other parameters of the battery with the...
Switchgear

RCD (Residual Current Device) Testing Procedure

What is an RCD? RCD - Residual Current Device A Residual Current Device (RCD) is a...
Protection

How to Protect Capacitor Bank?

What is a Capacitor Bank? A capacitor bank stores energy by connecting capacitors in series...
Electrical Calculators

Line Current Calculator

Calculator Use the calculator to find the line current by entering the total phase current...
Basic Electrical

What is the difference between KW and KVA?

According to the International System of Units, power is measured in kVA and kW.  The...
Electrical Notes & Articles

DC Motor No-Load Run Test Procedure and Checklist

What is DC Motor? A DC motor is a device that transfers electrical energy from...
Switchgear

SF6 Circuit Breaker: Working Principle, Construction, and Types

SF6 circuit breakers are employed for their  Table of ContentsWhat is an SF6 Circuit Breaker?Working...
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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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