So I verified with engineer and client spec because of whatever test it is they are doing is 5L. This is an ABB 500Kva xfmr I mean I'll pull my sample but too me that much is unheard of and then xfmr doesnt have a pressure gauge or temp gauge. Keep in mind these are new installations so testing...
So im working on some 500Kva Xfmrs and I'm supposed to do an oil sample. Client wants 5L per xfmr. Cool more than usual but ok thing is there is No N2 psi gauge. I'm concerned that draining that much oil could cause the pressure to drop which in turn could cause humidity etc and cause a short...