One of the most productive new approaches to power quality is immunity testing — making sure that loads can tolerate common disturbances without additional filtering or support. This kind of testing ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." No one likes to be in the dark during a storm. Those who live in cities may not experience frequent power ...

The device, called the Superhydrophobic Fiber-Reinforced Polymer Droplet-Based Electricity Generator, or S-FRP-DEG, harvests ...

A portable generator is a convenient way to safely produce your own power when the grid goes down, either due to natural or man-made causes. But how does a generator work? Whether you’re new to using ...

We tested 20 solar generators to find the most versatile devices that can provide emergency backup power and fuel off-grid ...

During a power outage, a generator can keep all your necessities running—from the lights, appliances, and heating systems to your air conditioning, sump pumps, and WiFi. It can also help you save ...

There are generators with enough power for home backup that roll on wheels and technically are portable. But when we talk about “portable generators” we’re usually referring to models that are small ...