Kindly let me know, for what purpose you need ti. Is it  for Stability Study?

P.S.

Regarding Ttansient and Steady State Stability of Multi- Machine System,the Following References will be Helpful/

1. Mathematical Model of Multi-machine Power Systems.

                 http://energy.ece.illinois.edu/pai/chapter%203.pdf

2. International Journal of Engineering and Advanced Technology (IJEA)

ISSN: 2249–8958,Volume-2,Issue-4,April 2013  759

Transient Stability of a Multi Machine Power System

Devender Kumar, Balwinder Singh Surjan

                http://www.ijeat.org/attachments/File/v2i4/D1617042413.pdf

3.Google e-book

Steady State Stability of Multi-machine System.3.

  http://books.google.co.in/books?id=L7o4TitajRIC&pg=PA395&lpg=PA395&dq=equations+of+multi-machine+power+system,&source=bl&ots=FwToci3yeL&sig=I8Ac8ZPsVjlaUpF0PFnUBuDTqXU&hl=en&sa=X&ei=FeZdVL2_A8qPuATsvYHgDg&redir_esc=y#v=onepage&q=equations%20of%20multi-machine%20power%20system%2C&f=false

4. INTERNATIONAL JOURNAL OF SCIENTIFIC & TECHNOLOGY RESEARCH VOLUME 2, ISSUE 8, AUGUST 2013 ISSN 2277-861682

IJSTR©2013 www.ijstr.org

Stabilization Of Multi Machine System Connected To Infinite Bus

Kanika Gupta, Ankit Pandey

  http://www.ijstr.org/final-print/aug2013/Stabilization-Of-Multi-Machine-System-Connected-To-Infinite-Bus.pdf

5. Multi-Machine Systems with Constant Impedance Loads

  http://home.eng.iastate.edu/~jdm/ee554/Mutimachine_systems.pdf

P.S.

Dear Davood, a holistic approach has found by Prof. Mrugowsky. We use his equations for examination of paralleling of flywheel generators.

http://www.amazon.de/Drehstrommaschinen-Inselbetrieb-Modellbildung-Parametrierung-Simulation/dp/product-description/3834816094/ref=dp_proddesc_0?ie=UTF8&n=299956&s=books

Thanks to your attention and your answers

I need a model for studying inter-area oscillations and later trying to design a controller to damp them. I read in a book that a multi-machine model is not suitable for studying inter-area oscillations, because it  is considered as one area.

For this purpose, I'm looking for a model to describe a network with at least two areas and every area has at least one generator.  in some references, this model is proposed but they don't have numeric values for parameters of the model.

How to design wide-area damping controller for large power systems? Please send some adequate basic reading material on that topic and also control design procedure.

Thank you.

Dear Davood,

I recommend you study the Chapter 12  (Simulation for Transient Stability Evaluation) on page 407 (especially its case studies with 17 generators, and 50-generators on page 425) of the following book:

POWER SYSTEM DYNAMICS

Stability and control

Second Edition

by K. R. Padiyar

---------------------------

Regards,

Morteza Shabanzadeh

http://mortezash.blogfa.com/

Dear Davood, we had examined the paralleling of flywheel generators. Our model of synchronize machine (SM) is very comprehensive (see my other answer). For realistic simulation time we had use only two SM-models: An exanimated SM and sum of all other SMs. Problem is to find the parameters of sum other SMs. Then you have identic SMs in the sum, the parameters are ascertainable. Then you have different SMs in the sum you should any parameters measure.