V is an nb x 1 vector of the complex bus voltages, where nb is the number of
buses. So the first term is an nl x 1 vector of the complex voltages at the
"from" end of each branch (nl is the number of branches).
Ray
On Jul 25, 2012, at 11:39 PM, Mehran Khosravi wrote:
> Dear All,
> I have a question regarding to calculate of line flow formula. following
> codes have been used for calculating the line flow. but I don't know what V
> is and what is it's matrix dimension? the first one (V(branch(il, F_BUS))
> related to the specific bus voltage , but what a bout second one {conj(Yf *
> V)}. what does V refer to ?
>
> Sf = V(branch(il, F_BUS)) .* conj(Yf * V);
>
> Best Regards
> --
> Mehran Khosravi fard
>
