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TUTBB · 2026-09-17T07:58:06+0100

Learn how transformers work, how to test them, and how they are used in real electrical systems - explained simply.
What you'll learn

Understand how Low Voltage Transformers Work and how to Connect them.

Learn how to Calculate the output Voltages on Transformers.

Learn about Potential Transformers and Current Transformers.

Gain a good understanding of How Energy Meters work and how to Connect them.

Learn how the Relay Panel works on a Trade Test.
Requirements

You need the foundation of Electricity before attending this course.

Please complete the Basics of Electricity Course first.
Description
In this Online Course I will teach you how Transformers work, How they get Connected, How to do Transformer Calculations and How PT's and CT's get Connected. I have added extra material just to assist you with more Trade Test Preparation which is Energy Meters and Relay Panel. Course is around 3H20 to complete.
1) Working of a Transformer - Teaches how a basic transformer works. (10:07)
2) Step Down Transformer Calculations - Learn how to calculate Voltages and Current on a Step Down Transformer. (11:54)
3) Step Up transformer Calculations - Learn how to calculate Voltages and Current on a Step Up Transformer. (8:22)
4) Transformer Power Factor - Learn what Power Factor is and its effects in a Transformer. (4:22)
5) Power Factor Calculations - Learn how to do Calculations with Power Factor. (7:32)
6) Transformer Star Delta Connections - Learn how to connect 3 Single Phase Transformers in different configurations. (13:06)
7) 3 Phase Transformer Calculations - Learn how to calculate the output Voltages when connecting transformers in Star Delta configurations. (23:18)
8) Connecting 3 Single Phase Transformers in Star Delta Configurations - Practical video on the actual connecting of 3 Single Phase Transformers in Star Delta configurations. (15:06)
9) Transformer Tapping's Calculations - Learn how to calculate output Voltages on Transformers with Tapping's. (18:38)
10) PT Connected to a Voltmeter with a Selector Switch - Learn how Potential Transformers work and how to connect them using a Selector Switch. (11:30)
11) Ringing out a Voltmeter Selector Switch - Gain understanding of how to ring out a Voltmeter Selector Switch. (8:37)
12) CT Connected to an Ammeter with a Selector Switch - Learn how a Current Transformer works and how to connect it to a Selector Switch. (9:37)
13) PT's and CT's in a Trade Test - Learn what is expected of you in Trade test when connecting PT's and Ct's. (3:48)
14) Energy Meter Connections - Learn how to connect 3 Single Phase Energy Meters to a 3 Phase supply and how to connect a 3 Phase Energy Meter. (9:19)
15) Energy Meters in Trade Test - Learn what is expected of you in Trade test and how to Balance the Loads across the 3 Phases. (13:45)
16) Relay Panel - Get a better understanding of how the Relay Panel works and what is expected of you in Trade Test. (19:10)
17) Fault Finding on a Relay Panel - Learn how to identify faults on the Relay Panel and record your findings (14:42)
Who this course is for

Anyone with Electrical knowledge that wants to upskill themselves.

Students who want to prepare themselves for an Electrical Trade Test.
Homepage

Code:

https://www.udemy.com/course/transformers-energy-meters-and-relay-panel

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Electrical Transformers Explained Low Voltage Systems

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