Yes, there is a reactor inside the power supply cabinet. I don't have any prints available that show me how or why these diodes are there. I'm assuming they are used as a blocker, right? I'm not sure what the reactor does let alone how to test it.
Good day all. I'm trying to understand how a variable reactance transformer works. I have a vacuum furnace that uses the VRT for heating element control and there are 4 high current diodes up in the power supply and I'm trying to understand they keep blowing. These VRT's are controlled with a...