Hi Kiss,
This is where I get a little confused, you mention to "ground the side of the resistor connected to the transformer".
As I see it I have no ground to connect to?
All I have is an Active & a Neutral connection on the Primary side & a 12v & a 0V connection on the Secondary side, sorry for my ignorance?
I have attached a picture of the connections I have, could you please elaborate on how to connect this for the proper readings we require.
Another Question:
Obviously I am missing something here that doesn't seem to compute.
The Triac is controlling the Primary side of the Transformer & the primary side has Inductance, Resistance, Inductive Reactance etc.
So how does testing the Current Lag or phase difference on the Secondary Side relate to how the Triac controls the Primary side of the Transformer. Obviously the secondary side has different Inductance etc etc.
Does not the Primary side of the transformer create the issues I am having with the Triac at the moment?
I tried forcing the Triac off in the software, I have it now so when the Pot to the Arduino is totally OFF there is no gate pulse going to the Triac, you can see this on the Scope.
Unfortunately the Triac is still on or being triggered on by something else still & there is still around 120V output from the Triac.
Cheers