The mains of the world were constructed as a giant copper causeway to transport electricity from the generating station to our homes and factories. Today's problems on the mains were unknown a few ...

A more efficient transformer can pay for itself many times over during its 25-year lifespan The transformer plays a key role in an electrical system’s efficiency and power quality, yet 95% of buying ...

Prem Magnetics has upgraded the insulation of the US version of its SDT-110-950 telephony transformer (Picture). The device now meets the world-harmonized EN 60950 standard. As a result, designers can ...

[Editor's Note: The need for controlling the level of harmonic current in power distribution systems is widely recognized as an important factor in selecting and applying adjustable-speed drives (AFDs ...

One of the most significant changes in the power quality industry in the past five years has been the method of selling power quality (PQ) solutions. Originally, PQ solutions were sold as an insurance ...

NEW BERLIN, Wis. - "If you claimed that the sole purpose of a variable speed motor drive was to increase energy efficiency, it would be no exaggeration, of course," said Mike Olson, HVAC sales manager ...