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EEVblog 1500 – How an AC Automatic Transfer Switch Works

Automatic AC transfer switches are pretty cool devices. A look at what they do, a practical demo, teardown, and then reverse engineering to explain how it does it. Bonus look at how my automated home battery backup system will work.

00:00 – Automatic AC Transfer switch
02:05 – How I’m powering my home fridges from a battery
06:30 – What does an AC Transfer switch do?
09:27 – Huh? How do you do the automated battery power backup?
12:36 – Practical AC Transfer switch demo
15:57 – Teardown
18:44 – Reverse Engineering Schematic
25:46 – BONUS 2nd design teardown!

Forum: https://www.eevblog.com/forum/blog/eevblog-1500-how-an-ac-automatic-transfer-switch-works/

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