I have constructed the IEEE bus system using DIgSILENT 15.03. The Network data for this system can be found at these links below:
http://www.ee.washington.edu/research/pstca/pf14/pg_tca14bus.htm
https://ece.uwaterloo.ca/~ccanizar/papers/IEEEBenchmarkTFreport.pdf
Figure 1. IEEE 14 Bus test system