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Substation Testing Interview Questions

1). What is CT? A Current Transformer (CT) is an instrument transformer that reduces large...

Auto Reclose Relay Testing Checklist

Auto reclose relays are essential parts of modern power systems, boosting system reliability and...

ACDB Panel – Functional Test Checklist

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

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...

Source Voltage Calculator

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

Essential Pre-Commissioning Tests for Electrical Equipment

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

How to Control Motor Speed using a VFD?

Controlling the speed of an electric motor is important in a wide range of industrial...

VFD Installation Procedure

Installation of a Variable Frequency Drive (VFD) is a significant undertaking that necessitates great attention...

6.6 KV/11 KV Circuit Breaker Preventive Maintenance Checklist

Circuit breakers are essential protective equipment in medium-voltage power networks, particularly in industrial &...

KW to HP Calculator

Calculator Click here for more Electrical Calculators Kilowatts (KW) Kilowatts (KW) are units of power in International System...

Battery Charger & Battery Bank – Daily Maintenance Checklist

Purpose To ensure the reliable operation of the battery charger panel & battery bank through...

Why MCB Trips and How to fix it?

Table of ContentsWhat is MCB?Common Causes of MCB Tripping1). Overloading2). Short Circuit3). Ground Fault4)....