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Registered Member #1403
Joined: Tue Mar 18 2008, 06:05PM
Location: Denmark, Odense C
Posts: 1968
A friendly reminder, to some of the posters in this thread, about this site's rules.
Part I: Behavior and Conduct
A. Be respectful. This includes everyone: other members of the forum, moderators and administrators, other people on the internet, and any other person, living or dead. Making false statements that are damaging to another person's reputation is not allowed. Insults, threats, and harassment are prohibited!
Part II: Posting
B. Do your own research. If you intend to ask a question, please make sure it isn't already addressed in the archives, or on the wiki. Also, be sure to perform at least a cursory Google search. Remember, nobody wants to do your homework for you. Show some effort, and the community will repay you in kind.
C. Do not ask for step-by-step instructions, detailed plans, or complete schematics. If anyone wants to make them available, they will. Try Google or the HvWiki.
In retrospect, my posting was rude. Please accept my apology. Anyway, your reply to a request for a schematic wasn't very tactful too Again sorry and let's get back to the technical stuff...
Registered Member #4603
Joined: Wed Apr 25 2012, 07:33PM
Location: Austria
Posts: 159
Wastrel: I do not exactly understand what you mean with the 2500µF of smoothing...? 2 GDTs because: the first GDT driver chip is only capable of 18V supply voltage. If i use a 1/1 GDT to Drive the gates with 18V there is to less current to get a nice waveform on the gates. The second GDT is driven by mosfets which are capable of handle 60V 20A. The supply of the half bridge is 70V so every mosfet sees 35V. With the higher voltage i can drive a 2/1 GDT which can provide much more current -> nice waveform on the gate
vircator: I accept your apology! Yes thats true... Sorry for that.
Registered Member #195
Joined: Fri Feb 17 2006, 08:27PM
Location: Berkeley, ca.
Posts: 1111
do you have a gap in the core ends? I tried this experiment before with the ferrite cores but the transformer had some type of weird oscillation but with a week output. I still think that a poly 1uf cap could create a primary tank resonance and reduce the load on your half bridge.
I think that Wastrel is talking about creating a center tap with the capacitors witch seems like what you have done.
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3kW IGBT Halfbridge Inverter *UPDATE 5kW*
Again sorry and let's get back to the technical stuff...
