Editor's Note: Here's another take on the transformerless AC line power supply, which finds use in some well-insulated, low-power devices. Our technical reviewer pointed out that C ac should be an ...

This file type includes high-resolution graphics and schematics when applicable. Jerry Twomey, founder of Effective Electrons and CTO of WiPow Group If you’re bringing ac power directly into your new ...

Power factor correction uses parallel connected capacitors to oppose the effects of inductive elements and reduce the phase shift between the voltage and current. Power factor correction is a ...

This course introduces more advanced concepts of switched-mode converter circuits. Realization of the power semiconductors in inverters or in converters having bidirectional power flow is explained.

If you have ever read advanced textbooks or papers about electronics, you may have been surprised to see the use of complex numbers used in the analysis of AC circuits. A complex number has two parts: ...

Advancements in power TVS diodes have made them an effective alternative to metal oxide varistors (MOVs) in protecting AC and DC power supplies from power line surges and indirect lightning strikes.

We often get asked how much AC wall power is needed to run a typical home theater system. There are lots of factors that determine this such as the number of AV components you have plugged into the ...

Recently I mentioned Jay Rosen's complaint about Virgin America: the airline advertises normal 120 volt AC sockets at (most) seats, but Rosen said the power kept being cut off during his flight. I ...