As an electric motor’s rotor turns in close proximity to the motor windings, a bucking voltage or back electromotive force (EMF) is generated. The back EMF (BEMF) generated across the start winding is ...

Not long after I began contributing to Hagerty eight years ago, I wrote a detailed four-part piece on electrical relays and how they work in cars. You can still find the articles here (Part I: Why We ...

Modern day technology provides many tools for accurate and reliable fan and system design. Gone are the days when cheap energy allowed the use of "rules-of-thumb" and large safety factors to be part ...