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| Main Authors: | , , , , , , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2503.12132 |
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| _version_ | 1866909538472427520 |
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| author | Wang, Xuezao Xu, Yijun Gu, Wei Liu, Kai Lu, Shuai Korkali, Mert Mili, Lamine |
| author_facet | Wang, Xuezao Xu, Yijun Gu, Wei Liu, Kai Lu, Shuai Korkali, Mert Mili, Lamine |
| contents | The increasing penetration of renewables is replacing traditional synchronous generation in modern power systems with low-inertia asynchronous converter-interfaced generators (CIGs). This penetration threatens the dynamic stability of the modern power system. To assess the latter, we resort to the critical clearing time (CCT) as a stability index, which is typically computed through a large number of time-domain simulations. This is especially true for CIG-embedded power systems, where the complexity of the model is further increased. To alleviate the computing burden, we developed a trajectory sensitivity-based method for assessing the CCT in power systems with synchronous and asynchronous generators. This allows us to obtain the CCT cost-effectively. The simulation results reveal the excellent performance of the proposed method. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_12132 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Fast Critical Clearing Time Calculation for Power Systems with Synchronous and Asynchronous Generation Wang, Xuezao Xu, Yijun Gu, Wei Liu, Kai Lu, Shuai Korkali, Mert Mili, Lamine Systems and Control The increasing penetration of renewables is replacing traditional synchronous generation in modern power systems with low-inertia asynchronous converter-interfaced generators (CIGs). This penetration threatens the dynamic stability of the modern power system. To assess the latter, we resort to the critical clearing time (CCT) as a stability index, which is typically computed through a large number of time-domain simulations. This is especially true for CIG-embedded power systems, where the complexity of the model is further increased. To alleviate the computing burden, we developed a trajectory sensitivity-based method for assessing the CCT in power systems with synchronous and asynchronous generators. This allows us to obtain the CCT cost-effectively. The simulation results reveal the excellent performance of the proposed method. |
| title | Fast Critical Clearing Time Calculation for Power Systems with Synchronous and Asynchronous Generation |
| topic | Systems and Control |
| url | https://arxiv.org/abs/2503.12132 |