Abstract: Single-phase AC-DC power converters face the challenge of twice-grid frequency power ripple (TGFPR) caused by power imbalance, requiring the use of large DC-side capacitors. Active power ...

Have you ever wondered what made car manufacturers decide to go from dynamos to alternators for generating electricity? It's a mix of reliability and cost.

WASHINGTON (7News) — The Office of Unified Communications (OUC) said some 9-1-1 calls in the District were not connecting to call takers or were being dropped after being answered. The issue was ...

TI’s TPLD801 is a low-cost, eight-pin programmable logic device that integrates digital building blocks such as flip-flops, counters, delays, logic gates and pipe delay. When paralleling two or more ...

In recent weeks, numerous residents of Lake Anna have expressed concern over what has been described as an “unprecedented” growth of hydrilla, an invasive aquatic plant that can impede navigation and ...

An 81.0% Peak Efficiency, 1.0W/cm Miniaturized 5V/1A AC-DC Converter Using a Highly-Integrated Primary-Side Active Clamp Flyback Controller with Adaptive Frequency and Zero-Voltage Switching ...

Fresh off its summer recess, Congress faces its biggest test in decades. Unlike big legislative fights of the past, this one could pass by without a notice. But the next few months will determine ...

"I know they invented rock and roll, I know they're one of the inventors of this, but to see it every night, it punches you in the face," Momsen told host Chuck Armstrong about being on the road with ...

But a team of biologists working near the California-Oregon border do, and they’re using them to blast AC/DC’s “Thunderstruck,” movie clips and live human voices at the apex predators to shoo them ...

Biologists along the California-Oregon border are using a unique method to scare wolves away from livestock. Drones blasting AC/DC's "Thunderstruck", as well as movie clips and human voices, are being ...

Researchers are preventing marauding gray wolves from mauling herds of cattle out West — by blasting tunes by Aussie rockers AC/DC from drones. US Department of Agriculture biologists are finding that ...

For millennia humans have tried to scare wolves away from their livestock. Most of them didn’t have drones. But a team of biologists working near the California-Oregon border do, and they’re using ...