Abstract
With the construction of UHV power grid, the power system is becoming more and more complex. On the one hand, it brings convenience to people’s life, on the other hand, the complexity of line power flow also brings potential safety hazards. The operation of power system may have problems such as overload and circulation. The rational use of phase-shifting transformer (hereinafter referred to as PST) can effectively regulate and control the power flow of transmission line, which is of great significance to the construction of power grid in China. Firstly, this paper theoretically analyzes the principle and mathematical model of PST, and summarizes the application scenarios of PST. Based on the power flow regulation function of PST, the simulation analysis of PST in engineering application is carried out for China's actual power grid, and the effectiveness of PST in solving the problems of line overload, improving transmission capacity and improving the output fluctuation of new energy is deeply studied.
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Acknowledgements
This work was supported by Project supported by Science and Technology Project of China Southern Power Grid Corporation (037700KK52190009), National Key R&D Program of China (2017YFB0902904), Outstanding Youth Fund of Hubei Natural Science Foundation(2020CFA098), National Key R&D Program of Hubei (2020BAB111).
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Li, F. et al. (2022). Engineering Application Evaluation of Phase Shifting Transformer in Guangdong Power Grid. In: Cao, W., Hu, C., Huang, X., Chen, X., Tao, J. (eds) Conference Proceedings of 2021 International Joint Conference on Energy, Electrical and Power Engineering. Lecture Notes in Electrical Engineering, vol 916. Springer, Singapore. https://doi.org/10.1007/978-981-19-3171-0_10
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DOI: https://doi.org/10.1007/978-981-19-3171-0_10
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