References

• 1. 1)
     • J.L. Willems . (1972) IEEE Trans..
  2. 2)
     • V.E. Henner . Lur'e type Lyapunov function for multimachine power systems. Proc. IEE , 1 , 105 - 106
  3. 3)
     • V.R. Sastry , P.G. Murthy . Discussion contribution. Proc. IEE , 5 , 603 - 604
  4. 4)
     • J.L. Willems . Optimum Lyapunov functions and stability regions of multimachine power systems. Proc. IEE , 3 , 573 - 577
  5. 5)
     • J.L. Willems . Discussion contribution. Proc. IEE
  6. 6)
     • V.R. Sastry , P.G. Murthy . Comments on direct methods for transient stability studies in power system analysis. IEEE Trans. , 580 - 581
  7. 7)
     • J.L. Willems . Direct methods for transient stability studies in power system analysis. IEEE Trans. , 332 - 341
  8. 8)
     • E.B. Powell . Discussion contribution. Proc. IEE