Active Pfc Power Supply

Pfc is not used solely for computer power supplies.

Active pfc power supply.

Contributing to this trend is the fact that energy star 4 0 compliance as of july 2007 requires the use of pfc in desktop pc s. Please see reference to the energy star 4 0 compliance tier 1 at www energystar gov. As a result when a computer system using a power supply with active pfc is attached to a non sine wave ups the system may shut down when it. There are two types of pfc.

The power supplies offer high efficiency to 94 5 cc cv and cp modes. I have found one for you. Active pfc is comprised of a switching regulator operating at a high switching frequency being able to generate a theoretical power factor of over 95. Click here to open the ups webpage.

Seasonic power supply for computer javascript seems to be disabled in your browser. Active pfc and passive pfc. Power factor corrected pfc power supplies are becoming increasingly popular in desktop pc s in north america. Active pfc uses electronic circuits in efficiently distributing power to devices connected to the power supply.

0 10vdc or 10v pwm signal or resistance. On the other hand passive pfc is simple and uses capacitors and inductors in enhancing efficient power distribution. Apexgaming gaming power supply 80 plus certified active pfc ultra silent anti vibrating fan 80 plus gold certified 750w fully modular psu 4 6 out of 5 stars 159 thermaltake smart rgb 700w 80 256 color rgb fan atx 12v 2 3 kaby lake ready power supply 5 yr warranty power supply ps spr 0700nhfawu 1. A standard power supply has a power factor of 0 70 0 75 and a power supply with pfc has a power factor of 0 95 0 99.

Xps 8700 uses a pfc power supply. Ideally the theory is that whatever the power supply is on your computer twice of that in va will work perfectly for your computer. So the best ups for you will be the one that supports pfc power supplies. For any power supply design over 100w the preferable type of pfc is active power factor correction active pfc since it provides a lighter and more efficient power factor control.