Almost. The angle at the reference bus is take to be whatever is specified in
the bus matrix, which need not be zero.
Ray
> On May 1, 2018, at 3:19 AM, Sarmad Hanif <[email protected]>
> wrote:
>
> Voltage magnitudes are assumed to be 1 p.u., whereas the slack bus (type = 3)
> in the case file is chosen as the reference. Hence, the angle at the slack
> bus is then also taken as 0.
> Hope it helps.
>
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of Stefanie Aebi
> Sent: Tuesday, 1 May, 2018 2:13 PM
> To: [email protected]
> Subject: DC OPF reference voltage
>
> Hi
> I wonder how DC OPF is handled. Since in the linearization only differences
> in voltages appear, is there a reference voltage set? And how is that
> reference voltage chosen?
> Thanks!
>
>
>
