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MOC3023 with triac
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hussamaldean:
Hi all,
I want to use MOC3023 with triac for phase angle control using arduino and I am having hard time to trigger the triac with this optocoupler
the schematic is attached (the input is pulses from arduino) and the applied voltage is about 100Vrms
is there something I doing wrong or either optocoupler or triac has an issue ?
Benta:
Where are the gate resistor(s)? Also, can an Arduino deliver the 5 mA needed to trigger the device?
wraper:
Your circuit is incorrect. It looks somewhat like SCR circuit but gates and optocoupler are connected wrong.
wraper:
hussamaldean:

--- Quote from: wraper on December 20, 2018, 05:01:30 pm ---

--- End quote ---
could you please explain and the value shall be power resistor and high voltage capacitors ?
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