Dear Jose Luis Marin

Thank you very much for your help and suggestions.

Regards

zahid khan




On Tue, Jan 13, 2015 at 5:42 PM, Jose Luis Marin <[email protected]>
wrote:

> Hello Zahid,
>
> Your questions below are on *State Estimation*, which is probably
> off-topic for the this mailing list.  May I suggest that you direct this
> type of questions to a forum such as Eng-Tips, for instance (
> http://www.eng-tips.com/threadminder.cfm?pid=238).  Maybe others in the
> mailing list can suggest other better forums.
>
> Two good references on State Estimation are:
>    *
> http://www.springer.com/engineering/electronics/book/978-0-7923-8519-6
>    * http://www.crcpress.com/product/isbn/9780824755706
>
> See also http://www.eng-tips.com/faqs.cfm?fid=1287
>
> Hope it helps,
>
> --
> Jose L. Marin
> Gridquant España SL
> Grupo AIA
>
>
>
> On Sat, Jan 3, 2015 at 5:34 AM, zahid khan <[email protected]> wrote:
>
>> Dear Jose Luis Marin
>>
>> Thank you very much for your explanation.One thing is not clear to me
>> that is regarding IEEE DATA set e.g IEEE 14 bus data or 1EEE 30 bus data
>> etc.In state estimation of power system we need two type  of data sets one
>> is Branch data and other is measurements like real and reactive powers
>> voltages at nodes and we are interested to find unkown state vector
>> which consist of voltage magnitudes and phase angles.In measurements data
>> signma(standard deviation ) is must given for weighting the
>> observations.My question are
>> 1:  How we can know about sigma in real data set?
>> 2: Branch data or line data are same in all books written on power system
>> analysis but measurements data is different in IEEE sources and other
>> books why?
>> 3:In topic of state estimation of Wood & Wollenberg book , 100  base is
>> used for real and reactive power but what base is used for voltage
>> measurements?
>> i am requested to all MATPOWER discussion forum to help me in
>> understanding of these issues.This is also beneficial for all using these
>> data set because reliable data ensure reliable results.
>>
>> Your answers will be highly appreciated.
>>
>> THANKS
>>
>>
>> On Tue, Dec 30, 2014 at 5:29 PM, Jose Luis Marin <[email protected]>
>> wrote:
>>
>>>
>>> As far as I know, there is no 6-bus test case from the IEEE.  But there
>>> are actually two different 6-bus test cases out there:
>>>
>>>    1. The one used by Wood & Wollenberg in their book (Section 6.15 of
>>>    the 3rd Ed.).  This one is "case6ww.m" in the MATPOWER distribution.
>>>    2. The one used by Garver, which appears in many articles on
>>>    Transmission Expansion Planning (http://lmgtfy.com/?q=6+bus+Garver)
>>>
>>>
>>> Hope it helps,
>>>
>>> --
>>> Jose L. Marin
>>> Gridquant España SL
>>> Grupo AIA
>>>
>>>
>>> On Tue, Dec 30, 2014 at 2:29 AM, zahid khan <[email protected]>
>>> wrote:
>>>
>>>> Thank you Murugan .Could you please tell me ,is it standard data like
>>>> other available IEEE data set?I am using this book but little bit confuse
>>>> about it.I am view author has taken hypothetical data for understanding of
>>>> different topics.I am basically statistician and working in one of the
>>>> project related to power system.
>>>>
>>>>
>>>> Thanks
>>>>
>>>>
>>>>
>>>> On Mon, Dec 29, 2014 at 9:09 PM, murugan R <[email protected]
>>>> > wrote:
>>>>
>>>>> Yes you can get from generation ,transmission and control book written
>>>>> by WOOD AND WOOLENBERG
>>>>>
>>>>> From: zahid khan <[email protected]>
>>>>> Sent: Mon, 29 Dec 2014 13:38:04
>>>>> To: MATPOWER discussion forum <[email protected]>
>>>>> Subject: IEEE 6-Bus System
>>>>>
>>>>> Dear All
>>>>>
>>>>> Could anyone tell me where i can get line data for  IEEE 6 bus
>>>>> system?I am not from power system engineering background and hopefully
>>>>> users of this forum may help me in this matter.
>>>>>
>>>>>
>>>>> Thank you very much.
>>>>>
>>>>> zahid khan
>>>>> University Technology PETRONAS
>>>>>
>>>>>
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>>>>
>>>>
>>>>
>>>
>>
>

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