Before I go warthog....I did have on concept that the scr’s and controller could be used for but I have never researched this nor have I ever seen one much less built one.
A magnetic containment field, albeit very small, because of the power consumption, a weak on I think could be powered by a three channel triac.
Probably going overboard here which is why I have not brought it up but since I listed everything, I thought I might touch it a bit.
I think my “e” key is not working like it should based on proofreading of my posts....lol