Delay Margin Computation and Controller Design of Time-delayed AGC System Based on Root Locus Analysis

Liufu Chen; Tao Zhou; Zhenlin Xu; Teng Zhang

doi:10.1051/e3sconf/202125201022

All issues

Volume 252 (2021)

E3S Web Conf., 252 (2021) 01022

References

Open Access

Issue		E3S Web Conf. Volume 252, 2021 2021 International Conference on Power Grid System and Green Energy (PGSGE 2021)


Article Number		01022
Number of page(s)		6
Section		Power Control Technology and Smart Grid Application
DOI		https://doi.org/10.1051/e3sconf/202125201022
Published online		23 April 2021

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[1] F. Yang, J. He, and D. Wang, “New stability criteria of delayed load frequency control systems via infinite-series-based inequality,” IEEE Trans. Ind. Informat., vol. 14, no. 1, pp. 231–240, Jan. 2018 [Google Scholar]

[2] K. Ramakrishnan and G. Ray, “Improved results on delay-dependent stability of LFC systems with multiple time-delays,” J. Control, Autom., Elect. Syst., vol. 26, no. 3, pp. 235–240, 2015. [Google Scholar]

[3] C. Peng and J. Zhang, “Delay-distribution-dependent load frequency con-trol of power systems with probabilistic interval delays,” IEEE Trans. Power Syst., vol. 31, no. 4, pp. 3309–3317, Jul. 2016 [Google Scholar]

[4] S. Sönmez, S. Ayasun, and C. O. Nwankpa, “An Exact Method for Computing Delay Margin for Stability of Load Frequency Control Systems With Constant Communication Delays,” IEEE Trans. Power Syst., vol. 31, no. 1, pp. 370–377, Jan. 2016 [Google Scholar]

[5] S. Sönmez and S. Ayasun, “Stability Region in the Parameter Space of PI Controller for a Single-Area Load Frequency Control System With Time Delay,” IEEE Trans. Power Syst., vol. 31, no. 1, pp. 829–830, Jan. 2016 [Google Scholar]

[6] M. Liu, L. Yang, D. Gan, D. Wang, F. Gao, and Y. Chen, “The stability of AGC systems with commensurate delays,” European Transactions on Electrical Power 2007, vol. 17, pp.615–627, 2007. [Google Scholar]

[7] F. Yang, J. He, and D. Wang, “New stability criteria of delayed load frequency control systems via infinite-series-based inequality,” IEEE Trans. Ind. Informat., vol. 14, no. 1, pp. 231–240, Jan. 2018. [Google Scholar]

[8] N. Tan, I. Kaya, C. Yeroglu, and D.P. Atherton, “Computation of stabilizing PI and PID controllers using the stability boundary locus,” Energy Convers. Manage., vol.47, pp.3045–3058, 2006. [Google Scholar]

[9] L. Jin, C. Zhang, Y. He, L. Jiang and M. Wu, “Delay-Dependent Stability Analysis of Multi-Area Load Frequency Control With Enhanced Accuracy and Computation Efficiency,” IEEE Trans. Power Syst., vol.34, no.5, pp.3687–3696, Sept. 2019: [Google Scholar]

[10] H. Luo, I. A. Hiskens, and Z. Hu, “Stability analysis of load frequency control systems with sampling and transmission delay,” IEEE Trans. Power Syst., vol. 35, no. 5, pp. 3603–3615, Sep. 2020. [Google Scholar]

[11] K. Vrdoljak, I. Petrovic, and N. Peric, “Discrete-time sliding mode control of load frequency in power systems with input delay,” Proc. 12th Int. Power Electronics and Motion Control Conf., EPE-PEMC, Potoroz, Slovenia, pp. 567–572, Aug. 2006 [Google Scholar]

[12] L. Yang et al., “A preliminary study of AGC structure for a regional system considering communication delays,” in Proc. IEEE Power and Energy Soc. General Meeting, pp. 618–623. Jun. 2005. [Google Scholar]

[13] M. Wu, Y. He, J. H. She, and G. P. Liu, “Delay-dependent criterion for robust stability of time-varying delay systems,” Automatica, vol. 40, no. 8, pp. 1435–1439, Aug. 2004. [Google Scholar]

[14] Y. Nie, P. Zhang, Y. Ma et al., “ Time delay trajectory analysis of critical modes in wide-area power system based on Pade approximation,” Autom. Elect. Power syst., vol. 42 no.12, pp:87–92, June. 2018 [Google Scholar]

[15] H. Ye, J. Huo, Y. Liu, “A method for computing eigenvalue of time-delayed power systems based on Pade approximation,” Autom. Elect. Power syst., vol. 37 no.7, pp:25–30, Apr. 2013 [Google Scholar]