Active Pfc Power Supply

Power factor corrected pfc power supplies are becoming increasingly popular in desktop pc s in north america.

Active 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. 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. Active pfc uses electronic circuits in efficiently distributing power to devices connected to the power supply. On the other hand passive pfc is simple and uses capacitors and inductors in enhancing efficient power distribution.

Please see reference to the energy star 4 0 compliance tier 1 at www energystar gov. I have found one for you. 0 10vdc or 10v pwm signal or resistance. Click here to open the ups webpage.

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. 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. The power supplies offer high efficiency to 94 5 cc cv and cp modes. They have a built in active pfc function it has a 3 1 dimming function and its ouput constant current level can be adjusted by applying one of the three methodologies between dim and dim.

Power supplies with active pfc may experience incompatibility problems with a ups that does not provide pure sine wave power output when the power supply switches from ac power to ups battery power. 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. Xps 8700 uses a pfc power supply. Seasonic is a premium brand manufacturer of consumer and industrial power supplies with extensive experience in creating the highest quality products.

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. There are two types of pfc. So the best ups for you will be the one that supports pfc power supplies. Pfc is not used solely for computer power supplies.