Power system transient stability analysis based on branch potential characteristics

2017 2nd International Seminar on Advances in Materials Science and Engineering

Han, Huan^1 ; Wang, Zengping^1

North China Electric Power University, Beijing

102206, China^1

关键词: Distribution characteristics;    Energy-entropy;    Line faults;    Potential function;    Power system networks;    Power system transient stability;    Space domain;    Transient stability indices;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/231/1/012075/pdf
DOI  :  10.1088/1757-899X/231/1/012075

来源: IOP

【 摘 要 】

Branch potential function is proposed based on the power system network preserving model. The concept of thermodynamics-entropy, is introduced to describe spatial distribution characteristics of the branch potential energy. Branch potential energy was analysed in time and space domain., with transient stability index proposed accordingly. The larger disturbance energy line fault injected to grid is, the larger branch energy entropy will be, and the more energy accumulated on key branches is, the more prone to lose stability the system will be. Simulation results on IEEE system proved its feasibility.