To get the buck/Enhance function, all that is needed is 2 independent switches so the AC input might be connected to among the two Most important faucets, even though the load is linked to another, Therefore using the main transformer's Major windings being an autotransformer. Example #7 - you forgot https://ananyalipe61481.blue-blogs.com/41121510/top-guidelines-of-uninterruptible-power-supply-apc