Mastering Voltage Drop and Ring Circuits in Electrical Cables

Mastering Voltage Drop and Ring Circuits in Electrical Cables

Learning Objective

Understand how to calculate voltage drop in electrical cables according to BS7671 and comprehend the principles of ring circuits.

What do you already know about voltage drop in electrical cables and ring circuits?

Voltage Drop in Electrical Cables

Learn the formula for calculating voltage drop and the factors affecting it, such as cable length and current.

Calculation Example 1

Work through a specific example of calculating voltage drop in a single-core cable according to BS7671.

Calculation Example 2

Solve another example, this time for a multicore cable, to reinforce the calculation process.

Ring Circuits Overview

Understand the concept of ring circuits, their advantages, and the specific wiring configurations involved.

Ring Circuit Example

Explore a worked example of a ring circuit to showcase its application and practical implications.

Comparison of Circuits

Compare and contrast the characteristics of ring circuits and radial circuits, highlighting their respective uses.

Conclusion and Recap

Summarize the key points about voltage drop and ring circuits, and address any remaining questions.

Write down 3 things you learned in this lesson.

Have students enter three things they learned in this lesson. With this they can indicate their own learning efficiency of this lesson.

Write down 2 things you want to know more about.

Here, students enter two things they would like to know more about. This not only increases involvement, but also gives them more ownership.

Ask 1 question about something you haven't quite understood yet.

The students indicate here (in question form) with which part of the material they still have difficulty. For the teacher, this not only provides insight into the extent to which the students understand/master the material, but also a good starting point for the next lesson.