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Old 23rd July 2007, 02:39 PM   #11
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Default Mr. Sakis

Ok!!
About the SMPS the IGBTs employed are only 100Watts by unit.
(4 x 100 Watts). But, with 4 units. of the IRFP264 mosfets (290Watts/unit.) the SMPS will work powerfull.
Excuse my bad english.

Regards.
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Old 5th August 2007, 11:24 AM   #13
Rahul is offline Rahul  India
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Hi!

Controller card has 3524 installed please confirm. Lets have a look at ckts!!

Regards & 73

Rahul

PS: Nice shot of handy in background BTW VU3WJM here.
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Old 5th August 2007, 12:01 PM   #14
luka is offline luka  Slovenia
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Hi

Nice!! Didn't see it when first posted, hope that next time you will post it under power supply section, anyway looks nice.
Hope to see schema soon
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Old 6th August 2007, 05:58 AM   #15
Eva is offline Eva  Spain
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Your layout does not show any safety spacing (5mm recommended) between mains live side and output side.
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Old 6th August 2007, 12:03 PM   #16
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As an ex SMPS designer I was tempted to say same but didnt but now I will. Needs at least 8 mm creepage and clearance between input and output (including across opto / isolation barrier and any swtiching XFR) and 4mm or more betwen L and N / L and E. Of course if its for private use you can do as you wish but if you are 'advertising' the design then I would strongly suggest putting a warning on it to protect yourself. regards A Streeter
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Old 9th August 2007, 06:59 PM   #17
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Default safety clearance

Dears

About some "safety clearance" I don´t have any problem, the SMPS work very well, no heat, no noise, I like it.

Regards

Chacal is back.
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Old 9th August 2007, 07:02 PM   #18
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Default Mr. Rahul

Hi

Yes, it´s the 3524 controller card, but, I have other PWM cards with SG3525 and TL494.

Bye
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Old 10th August 2007, 10:43 PM   #19
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I also want to comment on the creepage distances, it is not about if it works or not, it is if it is safe or not... How did you make the transformer, what kind of insulation did you use?
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Old 11th August 2007, 08:04 PM   #20
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Default mr. megajocke

Well, for the primary coil of the toroidal transformer I use cotton tape.

Bye.
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