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UPFC setting to avoid active power flow loop considering wind power uncertainty

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Abstract

The active power loop flow (APLF) may be caused by impropriate network configuration, impropriate parameter settings, and/or stochastic bus powers. The power flow controllers, e.g., the unified power flow controller (UPFC), may be the reason and the solution to the loop flows. In this paper, the critical existence condition of the APLF is newly integrated into the simultaneous power flow model for the system and UPFC. Compared with the existing method of alternatively solving the simultaneous power flow and sensitivity-based approaching to the critical existing condition, the integrated power flow needs less iterations and calculation time. Besides, with wind power fluctuation, the interval power flow (IPF) is introduced into the integrated power flow, and solved with the affine Krawcyzk iteration to make sure that the range of active power setting of the UPFC not yielding the APLF. Compared with Monte Carlo simulation, the IPF has the similar accuracy but less time.

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Acknowledgements

This work was supported by the National Natural Science Foundation of China (Grant No. 51877061).

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Authors and Affiliations

  1. School of Electrical Engineering and Automation, Hefei University of Technology, Hefei, 230009, China

    Shenghu Li & Ting Wang

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  1. Shenghu Li
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  2. Ting Wang
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Correspondence to Shenghu Li.

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Li, S., Wang, T. UPFC setting to avoid active power flow loop considering wind power uncertainty. Front. Energy 17, 165–175 (2023). https://doi.org/10.1007/s11708-020-0686-z

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