Electronics > Beginners
Heavy duty AC to DC converter required
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james_s:
What kind of voltage regulator are you trying to use on 300V? That's a very high power application, it's not trivial to regulate it.

oldway:

--- Quote from: mche1997 on April 23, 2018, 06:17:49 pm ---Hi oldway
How about you making them and i'll buy them off you ?
I'll be needing them in quantities but not huge and regular as I'm not that clued up, just know some basics.
Thanks for your much help.

--- End quote ---
I am retired and I only repair vintage amplifiers and receivers now....
My workshop is in my little appartement, I already have no more place to live....  :-DD

Look on EBAY or other auction sites.....
oldway:

--- Quote from: james_s on April 23, 2018, 06:29:34 pm ---What kind of voltage regulator are you trying to use on 300V? That's a very high power application, it's not trivial to regulate it.

--- End quote ---
No voltage regulation, only a 1KVA variac to adjust the current.
james_s:
I meant the OP, he said there wasn't room for a variac and that he tried some kind of voltage regulator.
oldway:
About heating of the electrolyser: the simple ac to dc converter with transformer and bridge rectifier has a high current ripple, that means also that current is DC + AC currents.
Only DC current really produce Brown's gas....AC current increases the heating of the electrolyser....

So, it is possible that it became too hot and that electrolyte begins to boil....

Pure DC will improve the situation but probably not solve it.
You will probably have to cool the electrolyte with a heat exchanger.
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