Author Topic: UD 2.7C Build  (Read 792 times)

Offline Mads Barnkob

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Re: UD 2.7C Build
« Reply #20 on: March 11, 2019, 09:18:32 PM »
I just connected the three indicator LED’s ( signal, OCD and power), powered up the board and to my surprise the OCD light came on as well as the power light.
Is this normal ? Board still has no Inductor, C33 or any of the jumpers installed. I am hoping that is the reason for the OCD trigger, otherwise I made a mistake assembling it.

It sounds perfectly normal. OCD should trip until it gets a reset signal from your interrupter.
http://www.kaizerpowerelectronics.dk - Tesla coils, high voltage, pulse power, audio and general electronics

Offline Thunderstruck

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Re: UD 2.7C Build
« Reply #21 on: March 11, 2019, 10:09:19 PM »
Thanks Mads ! I started to get a bit nervous to tell you the truth. Now I can continue building my interrupter.
I’d like to be able to understand how this thing works in detail, but desire is just not enough sometimes, that way I would not worry about silly things.

Would UD2.7 be able to drive this:
https://www.easternvoltageresearch.com/flexibrute_halfbridge10.html

Seems like a neat setup, everything is there including the PCB - love working with PCB’s because it minimises the possibility of making a wrong connection.
Decent IGBT’s too...

Offline Thunderstruck

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Re: UD 2.7C Build
« Reply #22 on: March 16, 2019, 07:35:58 AM »
I did not install 2 components on my board Slot-7 Phase Lead Inductor  and  C33 Capacitor.
Would someone please be able to tell me value of the capacitor if the board is going to be used to drive a full bridge based on IXGN60N60C2D IGBT's ?
Also the inductor is a complete mystery to me, there is no info on inductance, just Slot-7 from Coilcraft. Is there anything else I can use and what inductance value should it be ?


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Re: UD 2.7C Build
« Reply #22 on: March 16, 2019, 07:35:58 AM »

 


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