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Open AccessArticle

Stacked-GRU Based Power System Transient Stability Assessment Method

State Grid Hunan Electric Power Company, Changsha 410000, China
School of Electrical Engineering, Wuhan University, Wuhan 430000, China
Author to whom correspondence should be addressed.
Algorithms 2018, 11(8), 121;
Received: 24 July 2018 / Revised: 4 August 2018 / Accepted: 7 August 2018 / Published: 9 August 2018
PDF [1560 KB, uploaded 9 August 2018]


With the interconnection between large power grids, the issue of security and stability has become increasingly prominent. At present, data-driven power system adaptive transient stability assessment methods have achieved excellent performances by balancing speed and accuracy, but the complicated construction and parameters are difficult to obtain. This paper proposes a stacked-GRU (Gated Recurrent Unit)-based transient stability intelligent assessment method, which builds a stacked-GRU model based on time-dependent parameter sharing and spatial stacking. By using the time series data after power system failure, the offline training is performed to obtain the optimal parameters of stacked-GRU. When the application is online, it is assessed by framework of confidence. Basing on New England power system, the performance of proposed adaptive transient stability assessment method is investigated. Simulation results show that the proposed model realizes reliable and accurate assessment of transient stability and it has the advantages of short assessment time with less complex model structure to leave time for emergency control. View Full-Text
Keywords: data-driven; adaptive transient stability assessment; stacked-GRU; time series; intelligent assessment system data-driven; adaptive transient stability assessment; stacked-GRU; time series; intelligent assessment system

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Pan, F.; Li, J.; Tan, B.; Zeng, C.; Jiang, X.; Liu, L.; Yang, J. Stacked-GRU Based Power System Transient Stability Assessment Method. Algorithms 2018, 11, 121.

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