Abstract
The safe and stable operation of power system faces serious challenges such as the variability of operation mode and the lack of disturbance attenuation ability. To achieve the accurate voltage stability evaluation and provide reliable reference for emergency control, this paper proposes a transient voltage stability margin evaluation method based on deep residual network (ResNet) and gated recurrent unit (GRU). Firstly, a practical transient voltage stability margin index based on two-element table is presented to construct sample label in the case of large disturbances. Secondly, a ResNet-GRU hybrid model is established to quantitatively evaluate voltage stability margin. The complementary advantages of ResNet in spatial coupling feature extraction and GRU in temporal compliance relationship learning are fully exploited. Finally, case studies are performed in Northwest China local region power grid. A series of experiment and simulation results verify the effectiveness and accuracy of the proposed method for voltage stability margin evaluation.
| Original language | English |
|---|---|
| Title of host publication | 6th International Conference on Electrical Engineering and Green Energy, CEEGE 2023 |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 74-79 |
| Number of pages | 6 |
| ISBN (Electronic) | 9798350312669 |
| DOIs | |
| State | Published - 2023 |
| Event | 6th International Conference on Electrical Engineering and Green Energy, CEEGE 2023 - Grimstad, Norway Duration: 6 Jun 2023 → 9 Jun 2023 |
Publication series
| Name | 6th International Conference on Electrical Engineering and Green Energy, CEEGE 2023 |
|---|
Conference
| Conference | 6th International Conference on Electrical Engineering and Green Energy, CEEGE 2023 |
|---|---|
| Country/Territory | Norway |
| City | Grimstad |
| Period | 6/06/23 → 9/06/23 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- ResNet-GRU model
- neural network
- transient voltage stability margin
- voltage instability
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