To get the buck/Enhance function, all that is needed is two individual switches so that the AC enter can be connected to among the two Principal taps, whilst the load is connected to one other, Therefore using the most important transformer's primary windings as an autotransformer. I've just purchased a https://kungfu59369.blogofchange.com/34414167/a-secret-weapon-for-uninterruptible-power-supply-pdf