WINSTON-SALEM, N.C. — At the end of a tree-lined cul-de-sac in a nice part of Winston-Salem, is the home of Elizabeth Alexander. “It’s kind of quiet. Much different from what used to be,” Alexander ...

For AC mains-powered equipment, it’s common practice to use a modular AC line filter fitted either integral to a connector or as a chassis mount part, particularly in professional environments such as ...

The LR2 line reactor series adds seven new frame sizes to match all GS, DURApulse, and WEG drives. The LR2 Series can also be used with a variety of other variable frequency drives (VFD) ...

The circuit below illustrates powering a LED (or two) from the 120 volt AC line using a capacitor to drop the voltage and a small resistor to limit the inrush current. Since the capacitor must pass ...

The National Electric Safety Code (NESC) includes a clause sometimes referred to as the “5-mA Rule,” which states: For voltages exceeding 98 kV ac to ground, either the clearances shall be increased ...

Making a dc voltage from an ac source means you will have to rectify the ac voltage to get a dc bus. One difference compared to a dc-dc converter is that you can use a linear power supply with an ac ...

The growing demand for efficient battery testers. How to calculate ac power requirements. Calculating ac power per phase for a three-phase system. One major factor driving the lithium-ion battery ...

Soneil Spark has introduced a new line of residential and commercial Level 2 AC chargers designed to give users more control over their EV charging.The chargers work with all EVs and plug-in hybrids ...

Air conditioning makes up as much as 70 percent of our power bills in the Oklahoma summer, according to the U.S. Department of Energy and Bankrate.com websites. Perimeter plants: Most indoor heat ...