I have recently completed 2 Substation line ups replacing GE Multilins with SEL relays. The old relays had no test switches, the SEL's were physically smaller than the GE's. Had custom powder coated plates made locally with test switch cutouts added. These were surprisingly cheap, and with the...
I am wondering if anyone has seen a conservator silicon dessicant breather excessively bubble. Where I am working there are 3 24 to 33 MVA oil filled transformers in operation. All 3 were found with wet (pink) silicon in the breather. The dessicant and oil were all cleaned and changed with new...
