Solid state relay with your own hands.

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ElEnBlog - блог об электронике

Published on Dec 4, 2020
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Buy a ready-made relay 1 phase - Buy a ready-made relay 3 phases - http://www.elenblog.ru/3SSR There is a task on the machine to turn on a 3-phase motor for a short time. The switching period is about 5-7 seconds. There are about 10 thousand operations per day. The contactor that controls the motor does not withstand, and in a few months - falls apart. We decided to install a solid-state relay. You can buy a ready-made one, but it is expensive + you need to add quenching chains when working on an inductive load. You can order it on Ali, they cost pennies there, but now the corona, and almost nothing is delivered ... And the machine can not wait. I decided to develop a printed circuit board with three triacs, each of which will turn on its own phase. We checked, everything seems to work, and works well. Electronics Engineering BLOG (http://ElEnBlog.ru) in: VKontakte - http://www.ElEnBlog.ru/VK Odnoklassniki - http://www.ElEnBlog.ru/OK Twitter - http://www.ElEnBlog.ru/Twitter Instagram - http://www.ElEnBlog.ru/Instagram

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