GE "Super-Bute" Butyl Instrument Transformer Reliability
GE "Super-Bute" Butyl Instrument Transformer Reliability
(OP)
Hi,
Recently I was promoted from an Associate Engineer to Engineer where I work at a utility in upstate New York. As part of my promotion I was assigned to be a junior "Subject Matter Expert' on instrument transformers. For about three years, we have worked to replace GE Super-Bute Butyl voltage transformers on our system after a few equipment failures that resulted in widespread outages. I was asked to re-evaluate the use of these PT's, as unbeknownst to Engineering they were still used by maintenance personnel when available.
I'm wondering if anyone in a similar field has experienced similar problems with these GE models, specifically the SPOF-100/150/200 variants. I can't see how it makes sense for us to continue to replace these assets that are in acceptable condition that do not really pose any serious safety risks?
Any information, links or comments would be appreciated!
Recently I was promoted from an Associate Engineer to Engineer where I work at a utility in upstate New York. As part of my promotion I was assigned to be a junior "Subject Matter Expert' on instrument transformers. For about three years, we have worked to replace GE Super-Bute Butyl voltage transformers on our system after a few equipment failures that resulted in widespread outages. I was asked to re-evaluate the use of these PT's, as unbeknownst to Engineering they were still used by maintenance personnel when available.
I'm wondering if anyone in a similar field has experienced similar problems with these GE models, specifically the SPOF-100/150/200 variants. I can't see how it makes sense for us to continue to replace these assets that are in acceptable condition that do not really pose any serious safety risks?
Any information, links or comments would be appreciated!





