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 EspaƱa 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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