Please read the article I wrote in the magazine Mechatronica & Machinebouw in 2016. It's about the re-engineering of a High Voltage generator and some more:
The article is in Dutch. I you like to receive the English version, please contact me.
(many of my best practises cannot be published, because they are under NDA with my customers. NDA is a standard with all my customers, except for the general examples in the trainings I teach).