[Physics] How to use phasor method for analyzing electrical circuits when current has DC components

electric-circuitselectrical engineering

So let's say that we have a electrical circuit with a current source that is sinusoidal, but has DC offsets. How then do we convert this $i(t)$ into phasor $I$? Or is this generally impossible?

Best Answer

DC bias is $A e^{i\theta} e^{i\omega t} = A e^{i\cdot 0} e^{i\cdot 0 t} = A$, however, quoting this,

Phasors and Complex impedances are only relevant to sinusoidal sources.

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