Author Topic: DRSSTC from Aliexpress  (Read 278 times)

Offline ItsChloeUwU

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DRSSTC from Aliexpress
« on: July 28, 2022, 03:27:40 AM »
I found this drsstc on amazon.com and on aliexpress.. and im really considering to buy it.. but.. before this.. i wanted to know if there is any other person there already knowing this coil and if i could have a schematic of it.. it looks so freaking good for such small package! i would love to build it on my own without buying it..

The coil brand seems to be Xshion but im not super sure of it...

i will post the only pics i could find of the circuits too.. please let me know if you guys find out or have any idea of how this little monster works...

Link:
https://it.aliexpress.com/item/1005003210954088.html?spm=a2g0o.cart.0.0.a87518fcamAbuA&gps-id=shoppingCartRecommend&scm=1007.13440.276583.0&scm_id=1007.13440.276583.0&scm-url=1007.13440.276583.0&pvid=22230889-9076-4489-a4f1-d8600f69fbf1&_t=gps-id:shoppingCartRecommend,scm-url:1007.13440.276583.0,pvid:22230889-9076-4489-a4f1-d8600f69fbf1,tpp_buckets:668%232846%238112%231997&pdp_ext_f=%7B%22sku_id%22%3A%2212000024679164973%22%2C%22sceneId%22%3A%223440%22%7D&pdp_npi=2%40dis%21EUR%21%21125.43%21%21%21%21%21%40211b5e1d16589712224261003e7a89%2112000024679164973%21rec




edit: please use appropriate thread titles
« Last Edit: July 28, 2022, 12:59:34 PM by futurist »

Offline AstRii

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This looks very similar to OneTesla DRSSTC, driven by a standard DR logic very similar to UD 2.7 but without OCD or UVLO. The driver probably looks somewhat like this https://onetesla.com/tutorials/drsstc-driver-guide
These coils have no OCD and rely on short on-times not to damage the IGBTs even during a ground strike when the primary current is the highest.
I can see 3 windings on the GDT (not even twisted) which means it's probably a half bridge, those 2 blue boxes on the 2nd picture are probably the divider capacitors and the black one is the primary resonant cap.

To sum it up it's a low power half bridge DRSSTC with the most basic driver with feedback possible, ideal project for beginners.

« Last Edit: July 28, 2022, 06:01:42 AM by AstRii »
Marek Novotny
Czech Republic, Czech Technical University in Prague
www.uhvlab.org

Offline Mads Barnkob

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Re: DRSSTC from Aliexpress
« Reply #2 on: July 28, 2022, 08:57:59 PM »
It is a lot of money to waste on a small and simple Tesla coil like that.

It can do 2 things for you:
- Make sparks for a short time
- Forever requiring spare parts like new IGBTs, gate resistors and so on.
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Re: DRSSTC from Aliexpress
« Reply #2 on: July 28, 2022, 08:57:59 PM »

 


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