i got the following
++++++++++++++++++++++++++++++++++
>> case_info(mpc)
Checking connectivity ... single fully connected network
Elapsed time is 0.136983 seconds.
================================================================================
Full
System
Number of: ----------
buses 89
loads 67
on 67
off -
fixed 67
dispatchable -
on -
off -
generators 12
on 12
off -
shunt elements -
branches 100
on 100
off -
ties (off) -
Load
active (MW)
dispatched 6051.4
fixed 6051.4
dispatchable -
nominal 6051.4
on 6051.4
off -
fixed 6051.4
dispatchable -
on -
off -
reactive (MVAr)
dispatched 2462.7
fixed 2462.7
dispatchable -
nominal 2462.7
on 2462.7
off -
fixed 2462.7
dispatchable -
on -
off -
Generation
active (MW)
dispatched 6198.3
max capacity 7181.0
on 7181.0
off -
min capacity -
on -
off -
reactive (MVAr)
dispatched 2301.9
max capacity 3373.1
on 3373.1
off -
min capacity -3341.0
on -3341.0
off -
Shunt Injections
active (MW) -
reactive (MVAr) -
Branch Losses
active (MW) -
reactive (MVAr) -
DC line
export (MW)
dispatch -
max capacity -
on -
off -
min capacity -
on -
off -
Reference Buses
num of ref buses 1
ref bus numbers 1
On 21 March 2018 at 03:21, Carlos E Murillo-Sanchez <
[email protected]> wrote:
> Let's see, Mohammed: I tried the data in MATPOWER format that you posted
> originally, and applied the case_info(0) function to it, yielding the
> following results:
>
> >> case_info(mpc)
> Checking connectivity ... 3 connected groups, 1 isolated bus
> Elapsed time is 0.149655 seconds.
> ============================================================
> ====================
> Full Island Island Island
> Isolated
> System 1 2 3
> Buses
> Number of: ---------- ---------- ---------- ----------
> ----------
> buses 154 146 4
> 3 1
> loads 77 69 4
> 3 1
> on 77 69 4
> 3 1
> off - - -
> - -
> fixed 77 69 4
> 3 1
> dispatchable - - -
> - -
> on - - -
> - -
> off - - -
> - -
> generators 13 10 3
> - -
> on 13 10 3
> - -
> off - - -
> - -
> shunt elements 45 44 -
> - 1
> branches 172 167 3
> 2 -
> on 167 162 3
> 2 -
> off 5 5 -
> - -
> ties (off) - - -
> - -
>
> Load
> active (MW)
> dispatched 6416.2 5599.8 196.0 528.4
> 92.0
> fixed 6416.2 5599.8 196.0 528.4
> 92.0
> dispatchable - - -
> - -
> curtailed - - -
> - -
> nominal 6416.2 5599.8 196.0 528.4
> 92.0
> on 6416.2 5599.8 196.0 528.4
> 92.0
> off - - -
> - -
> fixed 6416.2 5599.8 196.0 528.4
> 92.0
> dispatchable - - -
> - -
> on - - -
> - -
> off - - -
> - -
> reactive (MVAr)
> dispatched 2125.7 1855.6 64.4 173.7
> 31.9
> fixed 2125.7 1855.6 64.4 173.7
> 31.9
> dispatchable - - -
> - -
> curtailed - - -
> - -
> nominal 2125.7 1855.6 64.4 173.7
> 31.9
> on 2125.7 1855.6 64.4 173.7
> 31.9
> off - - -
> - -
> fixed 2125.7 1855.6 64.4 173.7
> 31.9
> dispatchable - - -
> - -
> on - - -
> - -
> off - - -
> - -
>
> Generation
> active (MW)
> dispatched 6621.8 6234.6 387.3
> - -
> max capacity - - -
> - -
> on - - -
> - -
> off - - -
> - -
> min capacity - - -
> - -
> on - - -
> - -
> off - - -
> - -
> reactive (MVAr)
> dispatched 2762.6 2601.0 161.7
> - -
> max capacity - - -
> - -
> on - - -
> - -
> off - - -
> - -
> min capacity - - -
> - -
> on - - -
> - -
> off - - -
> - -
>
> Shunt Injections
> active (MW) - - -
> - -
> reactive (MVAr) 1934.0 1894.0 - -
> 40.0
>
> Branch Losses
> active (MW) - - -
> - -
> reactive (MVAr) - - -
> - -
>
> DC line
> export (MW)
> dispatch - - -
> - -
> max capacity - - -
> - -
> on - - -
> - -
> off - - -
> - -
> min capacity - - -
> - -
> on - - -
> - -
> off - - -
> - -
>
> Reference Buses
> num of ref buses 1 1 0
> 0 0
> ref bus numbers 27 27
>
>
> Is this what the data is supposed to represent?
>
> Carlos.
>
> Mohammed Alhajri wrote:
>
> Ok, i have attached the case information in format of Hadi Saadat code,
> can you please try it in MATPOWER?
>
> because we have spent more than three weeks checking the format, but still
> dose not converge...
>
> Regards,,,
>
> بتاريخ ٢٠١٨/٠٣/٢٠ ٦:٢٦ م، كتب "Ray Zimmerman" <[email protected]>:
>
>> It’s possible that the modeling is not identical or that there is some
>> error in your conversion to MATPOWER format. You can check by talking the
>> solved case from your other software, converting that solved case to
>> MATPOWER and then trying the MATPOWER power flow. It should converge in a
>> single iteration. If it does not, then you know that there is either a
>> mistake somewhere or a difference in modeling.
>>
>> Ray
>>
>>
>> On Mar 16, 2018, at 12:42 PM, Mohammed Alhajri <[email protected]> wrote:
>>
>> i tried that but unfortunately not work
>>
>> بتاريخ ٢٠١٨/٠٣/١٦ ٨:٣٠ م، كتب "Abhyankar, Shrirang G." <
>> <[email protected]>[email protected]>:
>>
>>> See FAQ #5 <http://www.pserc.cornell.edu/matpower/#pfconvergence>
>>>
>>>
>>>
>>> Thanks,
>>>
>>> Shri
>>>
>>> Ph: (630) 252 0219 <%28630%29%20252-0219>
>>>
>>> <http://www.mcs.anl.gov/%7Eabhyshr>www.mcs.anl.gov/~abhyshr
>>>
>>>
>>>
>>>
>>>
>>>
>>> *From: *<[email protected]> on behalf of
>>> Mohammed Alhajri < <[email protected]>[email protected]>
>>> *Reply-To: *MATPOWER discussion forum < <[email protected]>
>>> [email protected]>
>>> * Date: Friday, March 16, 2018 at 11:26 AM *
>>> * To: MATPOWER discussion forum <[email protected]
>>> <[email protected]>> *
>>> * Subject: Re: Power Flow in Matpower *
>>>
>>>
>>>
>>> any answer to this question?
>>>
>>>
>>>
>>> بتاريخ ٢٠١٨/٠٢/٢٥ ٧:١٨ م، كتب "Mohammed Alhajri" < <[email protected]>
>>> [email protected]>:
>>>
>>> Hello All,
>>>
>>>
>>>
>>> I did the power flow for a 89-bus network and it converges using Hadi
>>> Sadat code after 17080 iterations. The accuracy was 1e-8 and the method is
>>> Gauss-Seidel Method.
>>>
>>>
>>>
>>> But when I did the power flow using matpower it does not converge! I
>>> tried to increase the maximum iteration, I put it 100000, and still did not
>>> cnvarge!
>>>
>>>
>>>
>>> I have attached the data according to Hadi Sadat Code, can any one try
>>> to do the power flow using matpower?
>>>
>>>
>>>
>>>
>>
>
