Automatic Contingency Selection Based on Aggregation
- Resource Type
- Conference
- Authors
- Liu, Junjie; Liang, Jun; Yun, Zhihao
- Source
- 2018 IEEE International Conference of Safety Produce Informatization (IICSPI) Safety Produce Informatization (IICSPI), 2018 IEEE International Conference of. :281-284 Dec, 2018
- Subject
- Communication, Networking and Broadcast Technologies
Computing and Processing
Engineering Profession
Signal Processing and Analysis
Power system stability
Safety
Power transmission lines
Load flow
Generators
Partitioning algorithms
Complex networks
automatic contingency selection
aggregation method
breaking betweenness
complex network
- Language
Automatic contingency selection plays an important role in the security and stability of power system operation and control. This paper proposed a new algorithm of automatic contingency selection based on aggregation method. Given the influence of the network topology and flow distribution, this method used breaking betweenness indicators to identify the key transmission lines which took effect in contingency analysis. And it also combined with community structure partitioning algorithm in complex network theory to construct aggregated grids including nodes and transmission lines in the network. At last, contingency set was obtained according to the linking-up roads among aggregated grids. This method avoids load flow calculation and overcomes the contradiction between accuracy and rapidity of traditional selection methods. The analysis results of IEEE 30-bus system verify the validity and rapidity of the proposed algorithm.