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 ...

Transformers are critical assets, and any failure can have severe and long-lasting consequences. In the most extreme cases, a transformer failure caused by a lack of proper maintenance can result in ...

Arizona Public Service received the electric utility industry's highest honor for developing a landmark system that monitors major transformers in near-real-time. Arizona Public Service has received ...