The steps I would take are:
- Bridge Rectifier
- Storage capacitor for between peaks storage.
I would calculate the smallest capacitor that would function then add 50%
The equation for the discharge droop in post #16 is approximately:
I = C dv/dt I = amps, c = farads V = volts and t = seconds.
I = your max output current divided by the converter efficiency.
Here the goal is to keep the period over which the capacitor charges as large as you can get. But keep the minimum well above the voltage the buck can regulate out.
The rectifiers should be 2x the required current capacity. You can estimate the current by estimating the charging time as a % of the full 1/2 cycle and figure what the current would need to be to charge the capacitor and supply the load.
The above are practical suggestions, they are not the exact same results one would get if a program like NSpice were used.
Do not worry about my life and my house. I take care of that. If you are against my method to do circuits, it's better to not post anything.
As I said before, many questions are asked by (young?) folks who don't realize the danger of dealing with mains or don't know other options exist for some endeavor.
You will find the folks here help with questions, offer opinions (guidance?) and comment on the stated approach. That's what we do. Many of us have extensive knowledge of electronics in general and wish to use that knowledge to help others, rather that letting it go to "waste".
There are not check boxes when asking questions, you get what you get. It often depends on how a question if phrased and who is logged in and decides to answer. I guess the responses if the forum equivalent of "pot luck". Its been that way for many years and I expect it will never change. It is your responsibility to take the info provided and decide what to do with it.