The use of a copper winding as a temperature sensor is not new. The traditional technique is to disconnect the ac power and the load and to quickly make the measurement using an ohmmeter. But the ...

There are millions of transformers present in existing electrical grids that interconnect power generation, distribution, and transmission. As these transformers are important assets, they have to be ...

Under normal transformer operating conditions, insulating oil temperature regularly changes with fluctuations in load and ambient conditions. During heavy loading conditions, the oil temperature rises ...