Distribution System Modeling and Analysis by William H. Kersting

> On Jan 16, 2014, at 9:42 AM, "Theofilos Xanthos" 
> <[email protected]> wrote:
> 
> Thank you for your responses, any good literature for understanding modelling 
> and simulation of three-phase unbalanced networks?
> 
>> On 01/16/14, Ray Zimmerman  <[email protected]> wrote:
>> 
>> Unfortunately, I am not aware of any customizations that allow MATPOWER to 
>> handle unbalanced three-phase networks.
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> -- 
>> Ray Zimmerman
>> Senior Research Associate
>> B30 Warren Hall, Cornell University, Ithaca, NY 14853
>> phone: (607) 255-9645
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>>> On Jan 16, 2014, at 9:26 AM, Jovan Ilic <[email protected] 
>>> <[email protected]>> wrote:
>>> 
>>> 
>>> 
>>> 
>>> Or read Dr. Zimmerman's PhD dissertation.  :-)
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> 
>>> On Thu, Jan 16, 2014 at 9:10 AM, Robert Spiewak 
>>> <[email protected](javascript:main.compose()> wrote:
>>> 
>>> 
>>>> Talk to Dr. Zimmerman...
>>>> 
>>>> 
>>>> 
>>>> Best Regards,
>>>> 
>>>> 
>>>> 
>>>> Robert Spiewak
>>>> 
>>>> +1(713) 826-9758(tel:%2B1%28713%29%20826-9758)
>>>> 
>>>> (Sent from Remote)
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>>>> On Jan 16, 2014, at 7:49, Theofilos Xanthos 
>>>>>> <[email protected] <[email protected]>> 
>>>>>> wrote:
>>>>> 
>>>> 
>>>>> Thanks for the answer Robert.
>>>> 
>>>> 
>>>>> Actually I thought the same, but I heard there are custom modifications 
>>>>> on Matpower to extend it for three phase simulation.
>>>> 
>>>>> Anyone has any knowledge on that?
>>>> 
>>>> 
>>>>> Kind Regards,
>>>> 
>>>>> Theofilos
>>>> 
>>>> 
>>>>>> On 01/16/14, Robert Spiewak  <[email protected] 
>>>>>> <[email protected]>> wrote:
>>>> 
>>>> 
>>>>>> Yes and no.
>>>> 
>>>> 
>>>>>> I tryied what you sugest but it did not work.  It is just too many 
>>>>>> diferences.  I am doing it in steps now as I could not make Matpower to 
>>>>>> work for me.
>>>> 
>>>> 
>>>>>> You need to have system description in a phase frame of reference and 
>>>>>> then you need to modyfy code to calculate in a phase frame of reference.
>>>> 
>>>>>> See Arrillaga/Arnold book for details.
>>>> 
>>>>>> Radial systems are much cleaner/easier if you can just focus on them, 
>>>>>> but NR and L methods are time consuming to develope and test.
>>>> 
>>>> 
>>>>>> Good luck!
>>>> 
>>>> 
>>>>>> Best Regards,
>>>> 
>>>> 
>>>>>> Robert Spiewak
>>>> 
>>>>>> (Sent from Remote)
>>>> 
>>>> 
>>>>>>> On Jan 16, 2014, at 7:01, Theofilos Xanthos 
>>>>>>> <[email protected] <[email protected]>> 
>>>>>>> wrote:
>>>> 
>>>> 
>>>>>>> Dear all,
>>>> 
>>>> 
>>>>>>> I would like to use Matpower for unbalanced three phase distribution 
>>>>>>> systems, state estimation programming.
>>>> 
>>>> 
>>>>>>> Since Matpower only uses one phase equivalents, can any modification be 
>>>>>>> done to a case file to represent a
>>>> 
>>>>>>> three phase unbalanced system. For example, have three 0,+120,-120 
>>>>>>> degrees reference bus nodes instead of one, and then solve
>>>> 
>>>>>>> the state estimation problem on 3 radial topologies interconnected by 
>>>>>>> mutual coupling terms?
>>>> 
>>>>>>> I am quite an amateur in Matpower, just starting now to understand its 
>>>>>>> mechanics.
>>>> 
>>>> 
>>>>>>> Kind Regards,
>>>> 
>>>>>>> Theofilos
>>>> 
>>>> 
>>>> 
> 
> 


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