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I. Introduction:

\(\bullet\) This WSCC 3 Machines, 9 Bus Test Case (known as P.M Anderson 9 Bus) represents a simple approximation of the Western System Coordinating Council (WSCC) to an equivalent system with nine buses and three generators.
\(\bullet\) This test case consists of 9 buses, 3 generators, 3 two-winding power transformers,  6 lines and 3 loads.
\(\bullet\) The base KV levels are 13.8 kV, 16.5 kV, 18 kV, and 230 kV. The line complex powers are around hundreds of MVA each. As a test case, the WSCC 9-bus case is easy to control, as it has few voltage control devices.

II. Single-Line Diagram:

\(\bullet\) The following single-line diagrams are taken from the corresponding commercial programs and edited in Adobe Photoshop CS6.

III. Files:

\(\bullet\) IEEE Common Data Format (CDF Format) [Download]
\(\bullet\) ETAP (v. 12.6) [Download]
\(\bullet\) DigSILENT PowerFactory (v. 14.1) [Download]
\(\bullet\) PowerWorld Simulator (v. 18) [Download]
\(\bullet\) Siemens PSS/E (v. 33) [Download]
\(\bullet\) MATPOWER (v. 5.1) [Download]
\(\bullet\) Mathworks MATLAB with Simulink (v. R2013b) [Download]

IV. References:

[1] The Illinois Center for a Smarter Electric Grid (ICSEG), "WSCC 9-Bus System," Power Cases, [Accessed Apr. 11, 2015]. [Online]. Available: http://publish.illinois.edu/smartergrid/wscc-9-bus-system/
[2] Francisco M. Gonzalez-Longatt, "Test Case P.M. Anderson Power System," Power Systems Test Cases, [Accessed Apr. 11, 2015]. [Online]. Available: http://fglongatt.org/OLD/Test_Case_Anderson.html
[3] ETAP, ETAP 12.6, 2015.
[4] DigSILENT PowerFactory, DigSILENT PowerFactory 14.1, 2015.
[5] Jconto, "IEEE 9 bus system for PSSE," [Accessed Apr. 11, 2015]. [Online]. Available: https://psspy.org/psse-help-forum/question/1974/dynamic-data-for-ieee-9-bus/
[6] Ray D. Zimmerman, Carlos E. Murillo-Sánchez and others, "MATPOWER: A MATLAB Power System Simulation Package," [Accessed Mar. 21, 2015]. [Online]. Available: http://www.pserc.cornell.edu/matpower/ 
[7] Jaikumar Pettikkattil, "IEEE 9 Bus," Mathworks Simulink File Exchange Center, Mar. 2014, [Accessed Apr. 11, 2015]. [Online]. Available: http://www.mathworks.com/matlabcentral/fileexchange/45936-ieee-9-bus

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