when i run this command:
[MVAbase, bus, gen, branch, success, et]=runpf('case30');
loss=get_losses(baseMVA, bus, branch);
or this:
r = runpf(mpc);
losses(k) = sum(get_losses(r))
these messages appear
??? Undefined function or method 'get_losses' for input arguments of
type 'double'.
OR
??? Error using ==> runpf
Too many output arguments.
Where do u think there exist the problem?
thank you
On Sat, Feb 13, 2016 at 1:58 AM, Ray Zimmerman <[email protected]> wrote:
> Are you using the latest MATPOWER release (v5.1)? Type mpver to find out
> what version you have.
>
> Ray
>
>
> On Feb 12, 2016, at 4:33 PM, Fereshteh Moghateli <[email protected]>
> wrote:
>
> this command gives this error " ??? Undefined function or method
> 'get_losses' for input arguments of type 'struct'."
>
> thank you
>
> On Sat, Feb 13, 2016 at 12:28 AM, Shruti Rao <[email protected]> wrote:
>
>> Hi Fereshteh,
>>
>> get_losses is an inbuilt MATPower function that computes the branch
>> losses and can also compute the reactive injections from line charging. It
>> can also compute the derivatives with respect to voltage etc. , the details
>> can be found in the manual in Chapter 9.
>>
>>
>> Shruti
>>
>> On Fri, Feb 12, 2016 at 1:52 PM, Fereshteh Moghateli <
>> [email protected]> wrote:
>>
>>> What do you mean by (get_losses)?
>>> thank you
>>>
>>> On Sat, Feb 13, 2016 at 12:05 AM, Ray Zimmerman <[email protected]>
>>> wrote:
>>>
>>>> I’m not sure what you mean by “save losses” and “50 PF iteration”. If
>>>> you mean something like record the value of total branch active power
>>>> losses for 50 different power flow runs, then you could do something like
>>>> the following:
>>>>
>>>> losses = zeros(50, 1);
>>>> mpc = loadcase(<your_base_case_name>);
>>>> for k = 1:50
>>>> <update some parameter in mpc>
>>>> r = runpf(mpc);
>>>> losses(k) = sum(get_losses(r));
>>>> end
>>>>
>>>> Then the losses will be stored in the losses vector.
>>>>
>>>> Ray
>>>>
>>>>
>>>>
>>>> On Feb 12, 2016, at 1:41 PM, Fereshteh Moghateli <[email protected]>
>>>> wrote:
>>>>
>>>> hi community
>>>> how to save losses in matpower in for example 50 PF iteration?
>>>>
>>>>
>>>>
>>>
>>
>>
>> --
>> Regards,
>> Shruti Dwarkanath Rao
>>
>> Graduate Research Associate, Arizona State University
>> Co-Vice-Chair: IEEE PES ASU Student Chapter
>> Tempe, AZ, 85281
>> 650 996 0116
>>
>
>
>
