I'm a senior student from a university, i found there may be a mistake in the article "SLUP263 - Designing an LLC Resonant Half-Bridge Power Converter".
At first, thanks very much for such a wonderful article.
Here may be a mistake i think in the picture below.( corresponding to Page7 in this paper )
According to what i understand, angle phi_i is the phase angle between ioe and vge rather than ioe and voe what the paper told us.
Reasons i think so are as follows.
1, Refer to eqation(3), the phase angle of vge is set to 0, hence, phase angle of all vectors should be comparing to the vector vge.
2, ioe and voe is related by a resistor, there must be no phase shift between these two vectors, i believe.
