The diagrams on the page are nothing more than the typical switch mode power supply [1] layout, the only difference being handling grid power levels and convers

The diagrams on the page are nothing more than the typical switch mode power supply [1] layout, the only difference being handling grid power levels and conversion back to AC at the output (most switch mode PSU's output DC). [1] https://en.wikipedia.org/wiki/Switching_power_supply https://en.wikipedia.org/wiki/Switching_power_supply