Glancing back to the 1970s, polychlorinated biphenyls (PCBs) were the cooling liquids of choice for transformers in locations where the possibility of fire was high. Then it happened: PCBs were ...

Calumet has more than 25 years of experience in producing highly refined, clean, and stable electrical insulating fluids. The CALTRAN line of naphthenic transformer oils is a portfolio of customized ...

“Americans deserve infrastructure they can trust: infrastructure that is resilient to floods, fires, and other climate threats, not fragile in the face of these increasing risks. We need ...

Effective transformer maintenance depends on dissolved gas analysis. Effective maintenance of liquid-filled transformers begins with prevention of failure by testing transformer oil for unusual ...