Glad I could help you get starrted in your investigation into the topic. Be sure to keep us in the loop as you develop your design.Originally posted by Iodem_Asakura@Mar 27 2005, 07:32 AM
Thanks man, it seem really complete.
I'm going to eat it now . And later do what you suggested me, look some triac datasheet.
Sorry for replying so late, i had some troubles.
I too had no luck locating a triac rated above 40 Amps.Originally posted by Iodem_Asakura@Mar 27 2005, 07:52 AM
I sas looking the application note for a while and saw that they focus on connecting triacs in serie to achieve greater voltaje support.
But what i need is great current support. The triac i got support a max current of 40 Amps, so i thought i can use it to supply maybe 30 Amps to ensure Triacs life. Though, i want to supply at least 50 Amps from 120 Vac, so i was thinking of putting two triac in parallel. But i'm not sure if that is going to works. :huh:
Have you something that can help? I'll be glad for your advices.
Originally posted by hgmjr@Mar 27 2005, 07:16 PM
I too had no luck locating a triac rated above 40 Amps.
I think the problem with trying to operate two triacs in parallel is getting the two devices to trigger simultaneously. I don't think these devices are intended for parallel operation anyway.
Triacs are typically used to control ac powered devices (for example, an ac motor) by regulating the energy delivered to the load through the reduction of the "area under the curve" of the sinewave by truncating a portion of both the positive and negative half-cycles on a cycle by cycle basis while still maintaining the peak-to-peak voltage of the ac sinewave.
Is that the way you understand them to operate? Is that how you are planning to use the device?
Iodem,Originally posted by Iodem_Asakura@Mar 29 2005, 06:40 AM
Thanks for the datasheet, but i want something smaller (yes, i know i'm being a bit demanding, maybe i won't find what i'm looking for, but at least i'm trying).
Perhaps i'll use the 40 amps rated triac after all. But thanks for all your help guys.
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