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MicroBoxer SSTC

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KresoLiubov
Thu Jan 03 2008, 04:50PM Print
KresoLiubov Registered Member #1153 Joined: Mon Dec 03 2007, 07:27PM
Location: Croatia
Posts: 213
So i decided for upcoming long weekend to make a micro-mini high power SSTC.

Here is a quick shot of components, i need to wash fan in alcohol and lube it. Whole circuit will be housed in plexy case. I need to buy a PCB tomorrow and can start to work. The fullbridge will be from 800 V fets powered by voltage doubler from 220 VAC. Im maybe planing to include small 12 - 600 VDC SMPS if there will stay enougy place on PCB. So whole thing could run from 12 V.

I plan to push insane ammount of power in this coil and keep size as small possible.

Gone to calculate secondary, i plan to exceed its winding length by sparks 2 X rolleyes

The coil is named MicroBoxer by name of fan that pushes insane ammounts of airflow. I wonder will FET-s survive on such heatsinks?

Update soon


1199379052 1153 FT0 Dsc01444
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Tom540
Thu Jan 03 2008, 10:23PM
Tom540 Banned on 3/17/2009.
Registered Member #487 Joined: Sun Jul 09 2006, 01:22AM
Location:
Posts: 617
Whats your plan for the SMPS?
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...
Fri Jan 04 2008, 04:17AM
... Registered Member #56 Joined: Thu Feb 09 2006, 05:02AM
Location: Southern Califorina, USA
Posts: 2445
I doubt those heatsinks will let you run at and reasonable power. Even at a 95% efficiency you wouldn't be able to run more than a few hundred watts of input power... I suppose that you could use an interrupter with a 1%i duty cycle or something....
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KresoLiubov
Fri Jan 04 2008, 06:28AM
KresoLiubov Registered Member #1153 Joined: Mon Dec 03 2007, 07:27PM
Location: Croatia
Posts: 213
Tom540 wrote ...

Whats your plan for the SMPS?

My plan is TL494 driving a halfbridge to a ferrite transformer.

Regarding heatsinks i decided to change them and install something more bigger. The coil will be interupted affcourse.
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KresoLiubov
Fri Jan 04 2008, 10:39AM
KresoLiubov Registered Member #1153 Joined: Mon Dec 03 2007, 07:27PM
Location: Croatia
Posts: 213
Just little update.

Runned from work to buy all other parts. Quickly finishing work and driver will be finished today. amazed
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Logan Kennedy
Sat Jan 12 2008, 05:17AM
Logan Kennedy Registered Member #1103 Joined: Mon Nov 05 2007, 06:02PM
Location: Houston
Posts: 80
Keep us updated. I'm interesting in seeing how this project turns out.
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