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Somebody
Apprentece
8 Posts |
 Posted - Mar 06 2010 : 05:57:09 AM
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I that circuit on the picture to drive heat wire about 4cm long and 0,5mm thick. The circuit was made to supply with 230V/12V transfomrer and it's made to drive long wires about half of meter. And the problem is that the 12V voltage is not usefull for so short wire that I use, so I connect this circuit to 3V transformer, an it doesn't work. The problem is that the transistor Q3 don't open enaf to supply the thyristor gate. I changed the resistors and I measured 1V beetween base and emittor of Q3 but it still doesn't work.
What should I do to get this think work, it is possible?
Sorry for my bad English I come form Slovenian.
Thanks for answers. |
Edited by - Somebody on Mar 06 2010 05:59:39 AM |
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Thyristor regulation
