Yes. All p.u. parameters must be consistent with the p.u. MVA base you are 
using. So if you have branch parameters for one value of baseMVA and you change 
the baseMVA, you will need to change the branch parameters.

    Ray


> On Jan 6, 2015, at 10:14 AM, ALI ZAZOU Abdelkrim 
> <[email protected]> wrote:
> 
> Hi,
> 
> first of all i wish you all the best for this new year.
> 
> I'm trying to use that trick to find my results in kW,
> but i'm wondering if we need to change the B_R and B_X that are in "p.u"
> because it also depends on BaseMVA.
> 
> Regards
> Abdel
> 
> 
> Le 14/10/2014 18:57, Ray Zimmerman a écrit :
>> I’m afraid not. But if you consistently enter all data in kW and kVA
>> instead of MW and MVA (including baseMVA), the answers will also be in
>> kW, though the labels will still say MW.
>>   Ray
>> On Oct 7, 2014, at 3:37 AM, Simone Cochi <[email protected]> wrote:
>>> Hello all,
>>> is there any settings to work with kW in MATPOWER instead with MW? Or
>>> at least only to change the display results in kW?
>>> Thank you
>>> Simone
> 



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