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Old 10th March 2008, 04:46 PM   #1
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Default 2600w Smps

HY .
I HAVE JUST FINISH MY 2000W AMPLIFIER ,AND I NEED A SMPS OF ABOUT 2600W.
Can somebady tell me what ferrite core to use?
I think an etd 59 3c80 wil be good ?
For this amplifier i need 2x75v






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Old 10th March 2008, 08:36 PM   #2
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Old 10th March 2008, 09:32 PM   #3
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I think that at this power lewel only a full bridge topology would work
but i didn't find a schematic of something like this.Can someone tell me where i would find a entire documentation about making a smps with ower 2000w.The k6 amplifier from a&t labs ,www.a-and-t-labs.com/K6_Sw_Amp/index.htm has some good documentation ,but the layout is very big .
If somebody knows some link's please tell me...


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Old 11th March 2008, 03:01 AM   #4
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The layout for the K6 SMPS is scary! Looks like they have around 1mm of creepage distance between primary and secondary!
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Old 11th March 2008, 03:09 AM   #5
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How big of a toroid core is needed for this kind of power???

I'm also interested because an SMPS of large size can be used to make power inverters as well as amplifiers.

Would a 3 or 4 inch toroid be large enough?
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Old 11th March 2008, 07:44 AM   #6
luka is offline luka  Slovenia
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Yes 3in should be enough, but it must have Ae at least say 200mm^2, but is all depends on freq that you will use it. Even small cores can transfer a lot of power if freq is high, say much more then 100k
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Old 11th March 2008, 09:23 AM   #7
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For 2600w smps an etd59@75khz would be good?
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Old 11th March 2008, 12:27 PM   #8
luka is offline luka  Slovenia
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Etd49 @ 100kHz should be enough to produce that power, so Etd59 should be good @ 75k, since it is that much bigger
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Old 11th March 2008, 01:06 PM   #9
luka is offline luka  Slovenia
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Forgot to say that full bridge should here be a MUST
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Old 11th March 2008, 01:44 PM   #10
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Hi Luka
Etd49 @ 100kHz should be enough to produce that power



I don't think so because ,the k6 amplifier uses an etd 49 transformer ,but they say that continuous power is 1000w and peak power is 2000w ,but i need a power of 2600w continuous .
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