How to Size Circuit Breakers - Learn in Just 10 Minutes!!???? - O Engenheiro Eletricista - World Latest Movie, Series, Videos and Trailers | fetery.com

How to Size Circuit Breakers - Learn in Just 10 Minutes!!????

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O Engenheiro Eletricista

Published on Nov 27, 2024

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???? Useful Links: Electricity Fundamentals Ebook: https://remarketingup.my.canva.site/e... 5410 Table Link: https://oengenheiroeletricista.herosp... Supplementary Material Link: https://oengenheiroeletricista.herosp... Instagram: / oengenheiro.eletricista Tiktok: / oengenheiroeletricista ???? Did you like the video? Then don't forget to leave your LIKE ????, SUBSCRIBE to the channel and SHARE with your friends! ???? Complete Class on Sizing Thermomagnetic Circuit Breakers! ???? Hey, guys! In today's video, we will cover a complete class on sizing thermomagnetic circuit breakers, understanding the step by step in a simple and objective way. And there is a special bonus at the end of the video, so stay tuned! ???????? But before we start, if you haven't subscribed to the channel yet, subscribe now! Turn on notifications and don't forget to like it. I'm Vinicius Batista and this is the Electrical Engineer's channel. ⚡ What you will learn: Nominal current of the circuit Nominal cross-section of the conductors Temperature correction factor Grouping correction factor Corrected nominal current Breaking current (kA) Tripping curve Let's use a practical case: installing an outlet for a 7500W industrial oven in a 220V network. We will size everything, from the current to choosing the ideal circuit breaker. ???? Summary of Information: Nominal current: 34.09A Conductor cross-section: 4mm² Temperature correction factor: 0.94 Grouping correction factor: 1.00 Corrected current: 39.48A Breakdown curve: 3kA Triggering curve: Curve C At the end, I made available a material with all the NBR 5410 tables in the video description. Enjoy and download yours for free! ???? #ElectricalEngineering #CircuitBreakers #Sizing #Electrician #NBR5410 #HomeAutomation #ElectricalSafety #Energy #TheElectricalEngineer #ViniciusBatista #ElectricalTutorial 00:00 - Introduction 00:33 - Practical Case 01:21 - Criterion 01 - What is the nominal current of the circuit 01:47 - Criterion 02 - Sizing of conductors 02:26 - Criterion 03 - Temperature correction factor 02:46 - Criterion 04 - Grouping correction factor 02:58 - Criterion 05 - Applying corrections to the current 04:11 - Criterion 06 - Determine the breaking capacity 05:46 - Criterion 07 - Determine the tripping curve 07:00 - Conclusion

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