Active Pfc Power Supply

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Active pfc power supply.

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. Ideally the theory is that whatever the power supply is on your computer twice of that in va will work perfectly for your computer. Xps 8700 uses a pfc power supply. Please see reference to the energy star 4 0 compliance tier 1 at www energystar gov.

Click here to open the ups webpage. Seasonic power supply for computer javascript seems to be disabled in your browser. On the other hand passive pfc is simple and uses capacitors and inductors in enhancing efficient power distribution. Active pfc and passive pfc.

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

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. Active pfc uses electronic circuits in efficiently distributing power to devices connected to the power supply. 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. 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.

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. 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. The power supplies offer high efficiency to 94 5 cc cv and cp modes. 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.