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Messages - black.yang

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1
You can see what you want from this page.
https://4hv.org/e107_plugins/forum/forum_viewtopic.php?p=1&id=179388#post-179400
In fact, there is only one GDT in the original design. In order to ensure magnetic balance, when the current over the threshold, a resonance period width will be skipped on the GDT. So it is more suitable to call it "skipping cycle".
A ramp signal input port is reserved on the circuit board. It has been tested that it can be used to operate QCW mode, but the test effect is mediocre and the arc does not look straight.

3
Hello, everyone.
Recently, many friends mail to me to find to Yunbao driver's manual.
Yunbao was originally designed by me and later shared its code with some Chinese form enthusiasts.
So project was fork and made it a cheap driver for hobbyists.
I got a product user manual from the fork designer,
Unfortunately, at this version it is described in Chinese.
Fortunately, the ports in the picture are described in English, you may need to use Google Translate to help you understand more detail.
But it's better than nothing.  ;D
enjoy it!

4
Hi black.yang and welcome to HVF

Impressive coils, outstanding work on the digital driver and great to have someone on the forum that understands Chinese, as you could see in the aliexpress driver thread, we do have a hard time when all we have available is google translate and sometimes a lot of text comes on pictures.

Please do make a thread or two to show some of your best coils, I took a look at your youku account (Chinese pendant to youtube?) and you have a good variety of work there.
Thanks for your warm welcome.
I think I may be able to help translate the Chinese I can, even though I sometimes rely on Google.;D
In the future, I will gradually update my work in the forum posts.

5
With the AE 1.3 driver you can use a matching fiber transmitter diode connected to the steve ward interrupter, if there is issues with polarity of the signal, you can either omit or use an extra hex-schmitt gate that is most likely available on the board as all are not used.

UD1.3b tries to do ZCS switching from the feedback transformer, but it does not have phase-lead compensation as UD2.1 does. This is really only necessary if you plan to push a lot of current through bricks or pushing something else above its limits. F.ex. I never had problems in my DRSSTC1 with UD1.3b: http://kaizerpowerelectronics.dk/tesla-coils/kaizer-drsstc-i/

DO NOT use RCA or coaxial cable instead of fiber optic cable! You will only make problems for yourself in two areas. 1. noise injection into the interrupter and 2. you are no longer galvanic isolated from the mains powered inverter / high voltage side.

I found a matching fiber optic diode https://bit.ly/2SWaCAG but it seems kinda exotic, with no tutorials or info on how to use it. I couldn't find the appropriate fiber optic cable, too.  Any other options?

The reason I liked the driver in my OP was because it already comes with it's own fiber optic controller and that sort of jazz. Can I use that for my first DRSSTC?

On the IGBT side of things, is this Chinese one any good? https://bit.ly/2RJ0pGh My guess is probably not, but I am not sure why. What are the odds of it working fine? I am working from a limited budget, so I am stuck with Ali Express.

In fact, it uses an audio fiber head.
Carrier-borne Manchester coding requiring a certain frequency
Decoding interrupt signal in CPLD Logic Description
It can be used safely.  :P

6
General chatting / 迎词、来
« on: January 06, 2019, 08:20:21 AM »
Hi, everyone.           
I am a 24-year-old Tesla coil hobbyist from Wuhan, China.
My job is Chip Technology Support Engineer.   
       
I have 11 years of Tesla Coil hobby experience.           
The first Tesla coil was made by winding the coil with a mineral water bottle. The arc was only 2 cm. ;D           
At present, I have done DRSSTC, QCWDRSSTC and some CLASSE design experience.     
     
 I just finished the design of "Yunbao" jump pulse driver the year before last, see it           
https://4hv.org/e107_plugins/forum/forum_viewtopic.php?id=179388
This is part of my work page.
https://i.youku.com/i/UMTEyMDQ1MzYw/videos?spm=a2hzp.8244740.0.0

‘Yunbao’pulse skipping driver

Recently, I am developing UD3.3A for full digital signal input phase shifting.


At present, I am completing the work of writing the hardware logic of the phase shifting part of the alternating hard switch bridge arm.
Hope to share with you more! Thank you!  :D

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