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Large DRSSTC [update]

Move Thread LAN_403
Linas
Sun May 24 2009, 04:06PM
Linas Registered Member #1143 Joined: Sun Nov 25 2007, 04:55PM
Location: Vilnius, Lithuania
Posts: 721
Today get some fiber optic for bridge. I think use interrupter as HV turn on mechanism.
Idea is, when get signal from interrupter, it will charge cap, (diode>>cap+resistor), and LM311 will turn on soft start relay (10-50R 100-1000W), after few second, LM311 will turn on bridge directly to line...
FL

1243181180 1143 FT66676 Fiber

then interrupter turn off, Resistor will discharge cap, and LM311 turn off bridge from line.Now just need to make it in real world... neutral
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Dr. H.
Wed Jun 03 2009, 10:12AM
Dr. H. Registered Member #931 Joined: Mon Jul 30 2007, 05:25PM
Location: Bulgaria
Posts: 486
Hi Linas

looks good. How much did you pay for the optic cable and for the tester ?

Cheers smile
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Linas
Mon Jun 08 2009, 02:29PM
Linas Registered Member #1143 Joined: Sun Nov 25 2007, 04:55PM
Location: Vilnius, Lithuania
Posts: 721
Hi Huben.
For all stuff i payed around 50$. it's include 9V 400mAh Lipo battery, two Fiber_optic 5 meters cables, electronics, box, potentiometers, Rx Tx modules, Lipo charger, and other things...
Here is final result :)

1244471188 1143 FT66676 P1500130

And final look

1244471238 1143 FT66676 P1500541
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Killa-X
Mon Jun 08 2009, 02:55PM
Killa-X Registered Member #1643 Joined: Mon Aug 18 2008, 06:10PM
Location:
Posts: 1039
It's looking very nice! I had plans when I was going to do a DRSSTC waaaaaay down the road, that I would use optical Fiber for both interrupter and music. It's a nice way to prevent damage to music players in case something bad happens and somehow it gets to the interrupter and poof.

That's why you use optics! Extra protection. Keep up the good work :) Do you pre-order your box size there or just lucky?
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Linas
Mon Jun 08 2009, 03:20PM
Linas Registered Member #1143 Joined: Sun Nov 25 2007, 04:55PM
Location: Vilnius, Lithuania
Posts: 721
Killa-X wrote ...

Do you pre-order your box size there or just lucky?
First i search for parts, box etc, and just then make PCB, as you can see, it fit perfectly :)
Interrupter is small, heavy, it feel solid :)
Now just need make very good Rx module with cable detection, data lost protection, and to high frequency or on_time protection... (lot of protection ...)
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BSVi
Mon Jun 08 2009, 04:15PM
BSVi Registered Member #1637 Joined: Sat Aug 16 2008, 04:47AM
Location: Kiev, Ukraine
Posts: 83
Linas, plastic box is not the best choice for DRSSTC controller, you'd better use metal one. I had troubles with interrupter in plastic encosure - atmega halted at random times, but your design way more noiseproof so everything is going to be all right, just wanted to warn you
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Linas
Mon Jun 08 2009, 04:52PM
Linas Registered Member #1143 Joined: Sun Nov 25 2007, 04:55PM
Location: Vilnius, Lithuania
Posts: 721
i can use aluminum foil. But i think it wont go crazy, because it's analog, nos digital electronics, it's more stable, etc.
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StevenCaton
Mon Jun 08 2009, 08:58PM
StevenCaton Registered Member #1845 Joined: Fri Dec 05 2008, 05:38AM
Location: California
Posts: 211
Linas, what capacitors are you using for the tank circuit since I was unable to get you some. Did you find an ok source.
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Dalus
Mon Jun 08 2009, 09:15PM
Dalus Registered Member #639 Joined: Wed Apr 11 2007, 09:09PM
Location: The Netherlands, Herkenbosch
Posts: 512
Otherwise I'd still have 28 used .15 uF 2KV 942 cde caps I'm willing to sell. Need to money for a new MMC angry
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Linas
Tue Jun 09 2009, 05:36AM
Linas Registered Member #1143 Joined: Sun Nov 25 2007, 04:55PM
Location: Vilnius, Lithuania
Posts: 721
Still don't have MMC cap, recently searching in ebay for FKP1, but nothing.
I can give 100$ in worst case 200$ for full MMC (it's like 8KV and ~0.5uF) sad
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