Hi Shri,
I am interested in power flows for distribution networks recently. Do you
mean that Matpower is not a good chioce for distribution networks simulation or
it just can not do distribution networks simulation?
Thanks,
Ji
At 2016-05-04 23:02:50, "Abhyankar, Shrirang G." wrote:
ht
hi Chee wooi Ten can you please send me the full name of Kersting book.
Have a nice day
Regards,
FIAZ AHMAD
PhD Student,
FENS Sabanci University,
Istanbul Turkey
On Thu, May 5, 2016 at 10:41 AM, Ji Chen wrote:
> Hi Shri,
> I am interested in power flows for distribution networks recentl
Hi
Its *Distribution System Modeling and Analysis*
On Thu, May 5, 2016 at 2:03 PM, Fiaz Ahmad
wrote:
> hi Chee wooi Ten can you please send me the full name of Kersting book.
>
>
> Have a nice day
>
> Regards,
> FIAZ AHMAD
> PhD Student,
> FENS Sabanci University,
> Istanbul Turkey
>
>
>
> On T
You could use Matpower to simulate distribution systems if you are only
interested in balanced 3 phase without mutual line coupling systems.
Jovan
On Thu, May 5, 2016 at 3:41 AM, Ji Chen wrote:
> Hi Shri,
> I am interested in power flows for distribution networks recently. Do
> you mean th
Yes I m using balanced three phase but how can I do it with matpower. I
changed the bus data and gen.data matrices but I couldn't get the power
flows.
On May 5, 2016 2:24 PM, "Jovan Ilic" wrote:
>
> You could use Matpower to simulate distribution systems if you are only
> interested in balanced 3
You can calculate the symmetrical components (direct, inverse and zero) and if
your three-phase network is balanced, you can represent it with a 1-ph
equivalent using the direct sequence.
However, distribution networks are in principle unbalanced (unbalanced lines,
non-symmetric loads etc.)
R
Fiaz,
If you are using the data in your original post only, there are no
generators in
that data set. You should put a (unlimited P and Q) generator where the
substation
would be in your system.
Jovan
On Thu, May 5, 2016 at 7:29 AM, Fiaz Ahmad
wrote:
> Yes I m using balanced three phase but
I am putting P=5000W and Q=3500VARs as a substation. How can I make P Q
unlimited? Any suggestion
On May 5, 2016 2:48 PM, "Jovan Ilic" wrote:
>
> Fiaz,
>
> If you are using the data in your original post only, there are no
> generators in
> that data set. You should put a (unlimited P and Q) gen
Hello Fiaz,
If you want to perform OPF then you have to put limits on active and
reactive power generation; i.e. Pmax, Pmin, Qmax Qmin in generator matrix
column. Just try to format your case according to any sample case;e.g.
case9. You can get additional information from manual in the Table B-1 t
Where did you add P=5000W and Q = 3500VAR in your data, it is not in the
data you
posted? If I remember well the default MVA base in MatPower is 100MVA;
your
P and Q data seems to be in W and VAR . Also, if I remember well, if you
specify 0
for Pmax and Pmin and Qmax and Qmin there will be no li
%% MATPOWER Case Format : Version 2
mpc.version = '2';
%%- Power Flow Data -%%
%% system MVA base
mpc.baseMVA = 1;
%% bus data
% bus_i type Pd Qd Gs Bs area Vm Va baseKV
zone VmaxVmin
mpc.bus = [
130 0 0 0 1
Mirish,
You should use Qmax and Qmin for power flow as well. In Fiaze's case, if
there
are no other generators in his system, he should just put a fictitious
generator at
the substation bus and declare it a slack bus.
Jovan
On Thu, May 5, 2016 at 8:05 AM, Mirish Thakur
wrote:
> Hello Fiaz,
>
>
Ok. I know in OPF, we should use constraints on active and reactive power
generation and declare one bus as a reference bus. But I'm not sure about
whether in PF we must have to put constraints on reactive power generation.
But in this case I agree with you that, to satisfy the power balance
equat
Fiaz,
I get an error when running runpf function on your data using Matlab 2015b
and MatPower 5.1:
>> runpf(case33_dis)
Subscript indices must either be real positive integers or logicals.
Error in ext2int (line 149)
brs = ( mpc.branch(:, BR_STATUS) & ... %% branch status
Error in
I am also getting this problem even after doing the changes you
suggested I think now Dr. Ray should help us now
Have a nice day
Regards,
FIAZ AHMAD
PhD Student,
FENS Sabanci University,
Istanbul Turkey
On Thu, May 5, 2016 at 4:31 PM, Jovan Ilic wrote:
>
> Fiaz,
>
> I get an error when
When you get errors like that, always check the case with case_info() to see if
there are any obvious errors in the case file. In this case, it appears that
you are missing bus 14.
And a clarification about power flow … by default generator limits are ignored
when solving the power flow. You ca
Thanks Jose. I’ve added that to the manual as you suggested.
I also agree with your suggestions for Chris. However, I’m curious about your
[*] note. In the situation you describe, it’s just that the Newton method will
diverge, correct? The original solution will still be a solution of the power
Hi Sir
Are you planning to include 3 phase load flow for unbalanced distribution
systems in matpower?
Thanking you
On Fri, May 6, 2016 at 1:03 AM, Ray Zimmerman wrote:
> When you get errors like that, always check the case with case_info() to
> see if there are any obvious errors in the case
Sorry for the confusion, Ray: where I said, *"...solvable with the bus
running as PV, but unfeasible when the bus is running as PQ"*, I meant to
say:
"*a valid powerflow solution* with the bus running as PV, but an
*unstable* one when the bus is running as PQ"
(it is one of the multiple low
Three phase balanced flow
On May 6, 2016 8:14 AM, "Papiya Dutta" wrote:
> Hi Sir
>
> Are you planning to include 3 phase load flow for unbalanced distribution
> systems in matpower?
>
> Thanking you
>
>
> On Fri, May 6, 2016 at 1:03 AM, Ray Zimmerman wrote:
>
>> When you get errors like that, al
Hi Fiaz I asked Dr. Ray if he could include it for unbalanced system as
well in matpower. Distribution systems are mostly unbalanced so that is
much needed.
On Fri, May 6, 2016 at 11:05 AM, Fiaz Ahmad
wrote:
> Three phase balanced flow
> On May 6, 2016 8:14 AM, "Papiya Dutta" wrote:
>
>> Hi Sir
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