Page 14 - Decision Making Applications in Modern Power Systems

xiv Contents

17.3.3 Power swing detection 455
17.3.4 Symmetrical fault detection during power swing 456
17.4 Decision-making based on smart relays 456
17.4.1 Structure of smart relays 462
17.4.2 Advantages 464
17.4.3 Disadvantages 465
17.5 Conclusion 466
References 467

18. A reliable decision-making algorithm for fault
during power swing in 400 kV double-circuit
transmission line: a case study of Chhattisgarh
state power system network 473
V. Ashok, Anamika Yadav, C.C. Anthony, K.K. Yadav
and Umakant Yadav
18.1 Introduction 473
18.2 Protection challenges in case of a fault during
power swing 475
18.3 Modeling and simulation of Chhattisgarh state power
transmission network 476
18.4 Proposed wavelet packet energy and bagged
decision tree decision-making algorithm 479
18.4.1 Wavelet packet energy 479
18.4.2 Bagged decision tree 480
18.4.3 Wavelet packet energy and bagged decision
tree based decision-making algorithm 481
18.5 Simulation results and discussions 486
18.5.1 Detection of system condition (no-fault, fault,
and power swing) 486
18.5.2 Discrimination of power swing condition
(stable and unstable) 487
18.5.3 Detection of faults during power swing condition 488
18.5.4 Performance evaluation of proposed wavelet
packet energy and bagged decision tree-4 module
for classification of faults 489
18.6 Overall performance assessment of proposed
decision-making scheme 501
18.7 Comparative assessment 501
18.8 Conclusion 504
Acknowledgments 504
References 505