As fuel costs continue to rise and power outages become more prevalent around the country, the necessity of utilizing energy-efficient products of all types is becoming universally recognized.

Using your transformers at less than a third of their capacity? Mike Lowenstein, president of Harmonics Limited, examines whether under-loading can lead to problems. Q. Does under-loading of a ...

Q: The percent impedance of a transformer is also the voltage drop of the transformer at full load. What is the voltage drop of a transformer at various other load levels, i.e. 25%, 50%, 75% or in ...