Power sloution for two 172W pletiers for less than $200?? - Page 5

Haddy · 04-10-2002, 12:52 PM

Quote:

Originally posted by resago
I'm Glad DD finally got 226Watt Pelts

gotta remeber those things are freakin huge....ull only be able to get one per block...what are the specs of ur ps as of now?

EMC2 · 04-11-2002, 09:51 PM

For info and a discussion about p/s under $200 for pelts, read this thread

WireX · 04-19-2002, 08:35 PM

Just my dumb little comments:

1) those things are F'n huge! but, for a case, I was looking at my subwoofer with a sneer on my face, what about a wooden box? make it look sylish

2) Rotor, do you seriously have to water cool ever single little part (ok, dumb question) but the mosfets?

I feel a little twitch inside me, all of a suddon, I am going to start planning a better system (looking at fridge cooling a rad, just because all this other Tec PS stuff is waaaayyy over my head, and something tells me but discharging one of those caps into you hand... I'll quote many people on this one

"Shut up foo, or I'll pop a cap in your ass"

-WireX

inda · 05-27-2002, 09:55 AM

Well building your own score a much higher badass factor overall, but you can get steals on ebay sometimes too.

I got 2 brand new meanwell sp-500-15s off of it. One for $60 and one for $75. There normally like 280-300 each but that gets me 64 amps at 15v for $135. As for the slot car idea i though about using a train transformer but was worried about how stable the power would be.

Word of warning though dont start two of them up at once they draw about 7-8 amps 120v inrush and can kill a breaker lol.

resago · 01-04-2004, 03:39 PM

bump.
this was too good of a thread to let die.

Butcher · 01-15-2004, 10:02 PM

This thread rocked.

feathers · 03-07-2004, 04:28 AM

Some Enermax models produce upto 38-amps @ 12-volts.

Use an atx psu starter to have the computer start another ATX PSU automatically.

SexyMF · 03-10-2004, 04:33 AM

A few points:

* Parallel caps are fine
* To limit inrush current to the caps use a 10 ohm 10W ceramic capacitors which gets switched out via a relay after a moment
* Linear supplies are ineffienct and very heavy
* Bridge rectifies can be paralleled up
*SMPS are not very hard to build and can be made cheap. There are excellent high power low Rds switching FETs available. To stay within the SOAR curves you can parallel the switching FET.
*The SMPS road means you may design for varying loads and hence output voltages can be adjusted. There is also the possibilty of implementing a resonant mode power suppy which vastly reduced EMI.
*25V volts will not discharge through your skin. Install bleeder resistors.
*The stuff inside capacitors is carsengenic and makes a hell of a mess

Your power bill will be large. Althought I'm all for TECs phase-change cooling stands the most efficient for sub-zero temperatures.

satanicoo · 03-10-2004, 08:38 AM

I wonder how stirling cycle engines are now...

04-19-2002, 08:35 PM	#103
WireX Cooling Neophyte Join Date: Apr 2002 Location: Winnipeg Manitoba Canada Posts: 68	Just my dumb little comments: 1) those things are F'n huge! but, for a case, I was looking at my subwoofer with a sneer on my face, what about a wooden box? make it look sylish 2) Rotor, do you seriously have to water cool ever single little part (ok, dumb question) but the mosfets? I feel a little twitch inside me, all of a suddon, I am going to start planning a better system (looking at fridge cooling a rad, just because all this other Tec PS stuff is waaaayyy over my head, and something tells me but discharging one of those caps into you hand... I'll quote many people on this one "Shut up foo, or I'll pop a cap in your ass" -WireX __________________ I am a Canadian Cooler and proud of it If at first you don't succeed, Skydiving isn't for you - Me The world is run by the internet The internet is run by computers Nerds run those computers I'm one of those nerds

01-04-2004, 03:39 PM	#105
resago Cooling Savant Join Date: Mar 2001 Location: state of denial Posts: 488	bump. this was too good of a thread to let die. __________________ 2.4Ghz Compaq Workstation 2.8Ghz Custom 2700+ Custom still running 2000!!!! Help with Coding www.resago.com

03-10-2004, 04:33 AM	#108
SexyMF Cooling Neophyte Join Date: Jul 2003 Location: NZ Posts: 26	A few points: * Parallel caps are fine * To limit inrush current to the caps use a 10 ohm 10W ceramic capacitors which gets switched out via a relay after a moment * Linear supplies are ineffienct and very heavy * Bridge rectifies can be paralleled up SMPS are not very hard to build and can be made cheap. There are excellent high power low Rds switching FETs available. To stay within the SOAR curves you can parallel the switching FET. The SMPS road means you may design for varying loads and hence output voltages can be adjusted. There is also the possibilty of implementing a resonant mode power suppy which vastly reduced EMI. 25V volts will not discharge through your skin. Install bleeder resistors. The stuff inside capacitors is carsengenic and makes a hell of a mess Your power bill will be large. Althought I'm all for TECs phase-change cooling stands the most efficient for sub-zero temperatures. __________________ A7N8X Deluxe AMD 2600+ 512MB Corsair XMS DDR333

03-10-2004, 08:38 AM	#109
satanicoo Cooling Savant Join Date: Nov 2002 Location: portugal Posts: 635	I wonder how stirling cycle engines are now... __________________ back.

04-11-2002, 09:51 PM	#102
EMC2 Cooling Savant Join Date: Feb 2002 Location: Dark Side of the Moon Posts: 365	For info and a discussion about p/s under $200 for pelts, read this thread

05-27-2002, 09:55 AM	#104
inda Cooling Neophyte Join Date: Sep 2001 Location: washington, state of Posts: 7	Well building your own score a much higher badass factor overall, but you can get steals on ebay sometimes too. I got 2 brand new meanwell sp-500-15s off of it. One for $60 and one for $75. There normally like 280-300 each but that gets me 64 amps at 15v for $135. As for the slot car idea i though about using a train transformer but was worried about how stable the power would be. Word of warning though dont start two of them up at once they draw about 7-8 amps 120v inrush and can kill a breaker lol.

01-15-2004, 10:02 PM	#106
Butcher Thermophile Join Date: May 2001 Location: UK Posts: 1,064	This thread rocked.

03-07-2004, 04:28 AM	#107
feathers Cooling Neophyte Join Date: Mar 2004 Location: UK Posts: 81	Some Enermax models produce upto 38-amps @ 12-volts. Use an atx psu starter to have the computer start another ATX PSU automatically.

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