Coordinated wide-area control of multiple controllers in a power system embedded with HVDC lines

Coordinated wide-area control of multiple controllers in a power system embedded with HVDC lines. Gupta, P., Pal, A., & Vittal, V. IEEE Transactions on Power Systems, 36(1):648–658, January, 2021.

Paper abstract bibtex 4 downloads

This paper develops a coordinated wide-area control of power system stabilizers (PSSs), static VAr compensators (SVCs), and supplementary damping controllers (SDCs) for damping low frequency oscillations (LFOs) in a power system embedded with multiple high voltage DC (HVDC) lines. The improved damping is achieved by designing a coordinated wide-area damping controller (CWADC) that employs partial state feedback. The design methodology uses a linear matrix inequality (LMI)-based mixed H2/Hâˆž robust control for multiple operating scenarios. To reduce the high computational burden, an enhanced version of selective modal analysis (SMA) is employed that not only reduces the number of required wide-area feedback signals, but also identifies alternate feedback signals, in case of failure of the primary signals. Additionally, the impact of delays on the performance of the control design is investigated. The studies are performed on a 29 machine, 127 bus equivalent model of the Western Electricity Coordinating Council (WECC) system-embedded with three HVDC lines and two wind farms.

@article{gupta_coordinated_2021,
	title = {Coordinated wide-area control of multiple controllers in a power system embedded with HVDC lines},
	volume = {36},
	url = {https://ieeexplore.ieee.org/abstract/document/9166750},
	abstract = {This paper develops a coordinated wide-area control of power system stabilizers (PSSs), static VAr compensators (SVCs), and supplementary damping controllers (SDCs) for damping low frequency oscillations (LFOs) in a power system embedded with multiple high voltage DC (HVDC) lines. The improved damping is achieved by designing a coordinated wide-area damping controller (CWADC) that employs partial state feedback. The design methodology uses a linear matrix inequality (LMI)-based mixed H2/Hâˆž robust control for multiple operating scenarios. To reduce the high computational burden, an enhanced version of selective modal analysis (SMA) is employed that not only reduces the number of required wide-area feedback signals, but also identifies alternate feedback signals, in case of failure of the primary signals. Additionally, the impact of delays on the performance of the control design is investigated. The studies are performed on a 29 machine, 127 bus equivalent model of the Western Electricity Coordinating Council (WECC) system-embedded with three HVDC lines and two wind farms.},
	number = {1},
	journal = {IEEE Transactions on Power Systems},
	author = {Gupta, Pooja and Pal, Anamitra and Vittal, Vijay},
	month = jan,
	year = {2021},
	keywords = {Coordinated wide-area damping controller (CWADC), Damping, Frequency control, high voltage direct current (HVDC), HVDC transmission, linear matrix inequality (LMI), Oscillators, partial state feedback, phasor measurement unit (PMU), Phasor measurement units, polytopic control, Power system stability, selective modal analysis (SMA), State feedback},
	pages = {648--658},
}

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