Abstract
Soft open point (SOP) plays an important role in improving economy, flexibility and reliability of distribution system. To study SOP dynamics under different disturbances, an SOP model with various control strategies is established for detailed transient simulations. Model order reduction (MOR) method based on Krylov subspace theory is adopted to improve simulation efficiency of distribution system. A novel algorithm is proposed to extend MOR method to variable-structure networks, making it applicable to multi-scenario SOP analysis. The proposed method is tested on IEEE 123-node system, showing decrease of model scale, improvement in simulation efficiency, and feasibility for fast transient SOP analysis under various system disturbances with acceptable simulation accuracy.
| Translated title of the contribution | A Fast Algorithm of Electromagnetic Transient Simulation for Soft Open Points With Variable Structure Conditions |
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| Original language | Chinese (Traditional) |
| Pages (from-to) | 2279-2285 |
| Number of pages | 7 |
| Journal | Power System Technology |
| Volume | 42 |
| Issue number | 7 |
| DOIs | |
| Publication status | Published - 5 Jul 2018 |
| Externally published | Yes |