Will a 700 watt psu literally consume 58 amperes from my current?
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Toto1234
June 20, 2014 9:24:41 PM
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i7Baby
June 20, 2014 9:33:21 PM
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JackNaylorPE
June 20, 2014 9:36:53 PM
No. you will have 58 amps runnionga round inside of your puter (assumng you actually "output" 700 watts.
What is your house voltage .... her ein US on 120 volt system w typically see 115 at the socket. So the way this works is
Assuming your puter is "bawlz to the wall" and actually outputting 700 watts.
1. With an estimated 85% efficiency, it's pulling 824 watts from the wall (700/0.85)
2. With a 115 volt supply, it's pulling 7.16 amps from the socket. (824 watts /115 volts)
What is your house voltage .... her ein US on 120 volt system w typically see 115 at the socket. So the way this works is
Assuming your puter is "bawlz to the wall" and actually outputting 700 watts.
1. With an estimated 85% efficiency, it's pulling 824 watts from the wall (700/0.85)
2. With a 115 volt supply, it's pulling 7.16 amps from the socket. (824 watts /115 volts)
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i7Baby
June 20, 2014 9:38:23 PM
JackNaylorPE
June 20, 2014 9:40:13 PM
i7Baby
June 20, 2014 9:42:35 PM
JackNaylorPE
June 20, 2014 9:45:52 PM
i7Baby
June 20, 2014 9:46:20 PM
sora
June 20, 2014 9:50:54 PM
JackNaylorPE
June 20, 2014 9:53:22 PM
Toto1234
June 20, 2014 9:58:30 PM
JackNaylorPE
June 20, 2014 10:03:37 PM
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JackNaylorPE
June 20, 2014 10:25:59 PM
It much depends on where you live. I spent some years in the electric utility industry but even before that when designing plant power systems, we'd see wild fluctuations in seasonal communities for example. During winter time, we'd see 496 volts on 460/480 supply voltages and as low as 430 during peak summer loads. Mist equipment is designed to handle 15% lower than voltage rated but only 5% on over voltage so that's was blowing up VFDs on us.
I wuda went with an 850 watter but when I added a 46 watt dual water pump, bumped up to a X-1250 as I didn't like anything in the 1000 watt range at the time. Most I have pulled from the wall under Furmark was 770 watts but pump was like at 1/3 power and CPU was only drawing 40 watts.
One reason to pay attention tho to maximum wattage is that UPS can behave a little weird when PSU exceeds their power rating even if you are not approaching that level. Mine was making clicking noises when running at idle speeds (118 watts).
I wuda went with an 850 watter but when I added a 46 watt dual water pump, bumped up to a X-1250 as I didn't like anything in the 1000 watt range at the time. Most I have pulled from the wall under Furmark was 770 watts but pump was like at 1/3 power and CPU was only drawing 40 watts.
One reason to pay attention tho to maximum wattage is that UPS can behave a little weird when PSU exceeds their power rating even if you are not approaching that level. Mine was making clicking noises when running at idle speeds (118 watts).
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