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31 May 2023 Load margin and stability analysis of power-gas interconnection system considering N-1 and power flow transfer prediction
Yi Zhang
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Proceedings Volume 12704, Eighth International Symposium on Advances in Electrical, Electronics, and Computer Engineering (ISAEECE 2023); 1270422 (2023) https://doi.org/10.1117/12.2680045
Event: 8th International Symposium on Advances in Electrical, Electronics and Computer Engineering (ISAEECE 2023), 2023, Hangzhou, China
Abstract
In view of the influence of N-1 disconnection on the maximum load margin and system stability of power-gas interconnection system, a continuous power flow model of power system and natural gas system considering the dynamic piping characteristics of natural gas was established. Based on the increase of system load, the system N and N-1 load margin of power system and natural gas system is calculated by SRSM continuous hybrid power flow. The power flow transfer factor after N-1 branch of the electric-gas interconnection system is defined, and the power flow transfer is predicted for the system so as to obtain the off-limit branch of the system. The weak nodes and EH coupling degree of the power system, natural gas system and electric-gas coupling link under the electric-gas coupling are further evaluated.
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Yi Zhang "Load margin and stability analysis of power-gas interconnection system considering N-1 and power flow transfer prediction", Proc. SPIE 12704, Eighth International Symposium on Advances in Electrical, Electronics, and Computer Engineering (ISAEECE 2023), 1270422 (31 May 2023); https://doi.org/10.1117/12.2680045
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KEYWORDS
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