1949 3hp/3ph 575rpm/Yaskawa VFD/Tonkin-L350 noise filter.....?

Great that they gave you a credit against the (wrong) filter - if they don't stock the right one, I'd suggest shopping round for one, it'll lengthen the lifetime of your older motor (and will be a lot easier, probably cheaper than building a vacuum rig to coat the windings). It doesn't need to be the Tokin one, any VFD *output* filter (AKA line reactor, line inductor pack, line choke pack) rated for 20 A upwards and a 200V supply VFD should do the trick. Being the wrong side of the pond I can't suggest a supplier... You might find a local motor shop can vacuum impregnate the windings, might not be as expensive as the right filter, but the filter's probably a better solution

Dave H.
 
Thanks Dave , I'll do some cyber searching....



Thank you,



B,
 
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