Electrica signature analysis (ESA) uses the magnetic field in the air gap of an electrical machine to evaluate power quality conditions. Dry and oil transofrmer types are subject to problems ...

The costliest piece of equipment in a substation is the Power Transformer. Therefore, a good maintenance program is required to keep these power transformers operating reliable. Over the past few ...

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 ...

Are you properly quantifying and assessing the health of your plant’s transformers? Oil testing, infrared scanning, electrical testing, and inspection provide a much deeper understanding of what is ...

Part 1 of this three-part series laid out an overview of a proposal to create a numerical health index and establish a practical program for power transformer maintenance. Part 2 breaks down each of ...

BAODING, HEBEI, CHINA, January 21, 2026 /EINPresswire.com/ — As global power systems continue to expand and modernize, the reliability of transformers has become a ...