A video about residual current circuit breakers also called differential circuit breakers, or simply RCDs, but also circuit breakers or even electric shock fuses. For beginners and others, from scratch.

I will present:
what are they used for and what are they supposed to protect against?
how they are constructed Ferranti transformer,
how do residual current circuit breakers, also known as antishock circuit breakers, work,
What parameters do they have and how are they selected,
how to connect,
how to check test, time and current measurement.

The film is intended for beginners, so there will be some simplifications and some, in my opinion, most important issues regarding residual current circuit breakers will be discussed. I will omit or greatly simplify, for example, legal and formal issues regarding measurements I want to focus more on the topic from the perspective of the user rather than the perspective of the designer or measurer.

0:00 Introduction
0:36 What are residual current circuit breakers used for?
1:30 How are RCDs constructed and how they work
2:54 TEST button
3:23 Nominal residual current division
5:11 Response time immediate, shortdelay, selective
5:49 Currenttime characteristics of RCD
7:07 Types of residual current circuit breakers AC, A B
9:53 Other parameters of residual current circuit breakers
11:25 Where to use and where not to use residual current circuit breakers
12:49 How to connect a residual current device
13:34 Checking and measuring the residual current circuit breaker
15:18 Summary

Link to the video about AC residual current circuit breakers    • Czy wyłączniki różnicowoprądowe typu ...  

#RCD, #for beginners, #electrics #electronics #step by step #differential #simply translated
#science
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