This paper presents the reactive power compensation with UPS. The most effective power quality improvement solution is analyzed in an uninterruptible power supply systems. The conventional UPS has ...

Not all Nintendo Switch 2 accessories are created equal, so I tried out a bunch of them to find the ones that’ll actually make your new console work even better.

The brick also had power factor correction. The first step, of course, was to map out the actual circuit topology. The unit contains quite a bit of heat sinking.

It's big, it's heavy (5.67 pounds), and it is thirsty for power. Even if you do have access to a nearby outlet, the 400W power brick is so massive, it's essentially the weight of another laptop.

Introduction Blink and you’ll have missed it, but the tech world has suddenly gone gaga for portable projectors. You can’t move for the things at trade shows now, yet most seem to have ignored the ...