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This paper investigates a control structure to enhance the DC fault ride-through capability of a full-bridge modular multilevel converter (MMC) station, while ensuring a stable controlled operation as a STATCOM during DC faults without the need for fault isolation. Taking advantage of the switching states of a full-bridge submodule, a DC current controller is proposed, which provides the DC voltage reference for the modulation when a DC fault is detected. By changing the outer controllers strategy from DC voltage or active power control to converter energy control during a fault, the decoupling of the converter operation from the DC side dynamics is realized. In this paper, the focus is on the control methodology at all times of operation and the evaluation of the STATCOM control during a fault. To this end, extensive simulations were performed on a three-terminal high voltage direct current (HVDC) grid in radial configuration and a pole-to-pole DC fault case was investigated. The results showed that the AC voltage and current were controlled within limits at all times, while the full-bridge MMC was able to provide reactive power support to the AC grid. Moreover, using the proposed control methodology, the transients at the operation transition points between STATCOM and inverter/rectifier operation were minimized and the stations were able to safely ride through the fault.
Rocznik
Tom
Strony
653--662
Opis fizyczny
Bibliogr. 17 poz., rys., wykr., tab.
Twórcy
autor
- Delft University of Technology, Delft, The Netherlands
autor
- Aalborg University, Aalborg, Denmark
autor
- Aalborg University, Aalborg, Denmark
autor
- Delft University of Technology, Delft, The Netherlands
Bibliografia
- [1] E. Kontos, R.T. Pinto, S. Rodrigues, and P. Bauer, “Impact of HVDC transmission system topology on multiterminal DC network faults,” IEEE Transactions on Power Delivery 30 (2), 844–852, (2015).
- [2] S. Ademi, D. Tzelepis, A. Dysko, S. Subramanian, and H. Ha, “Fault current characterisation in VSC-based HVDC systems,” in 13th International Conference on Development in Power System Protection 2016 (DPSP), March 2016, 1–7 (2016).
- [3] M.K. Bucher and C.M. Franck, “Comparison of fault currents in multiterminal HVDC grids with different grounding schemes,” in 2014 IEEE PES General Meeting | Conference Exposition, July 2014, 1–5 (2014).
- [4] M.K. Bucher and C.M. Franck, “Fault current interruption in multiterminal HVDC networks,” IEEE Transactions on Power Delivery 31 (1), 87–95, (2016).
- [5] D. Peftitsis, A. Jehle, and J. Biela, “Design considerations and performance evaluation of hybrid DC circuit breakers for HVDC grids,” in 2016 18th European Conference on Power Electronics and Applications (EPE’16 ECCE Europe), Sept 2016, 1–11 (2016).
- [6] A. Zapico, M. Lopez, A. Rodriguez, and F. Briz, “Fault tolerant cell design for MMC-based multiport power converters,” in 2016 IEEE Energy Conversion Congress and Exposition (ECCE), Sept 2016, 1–8 (2016).
- [7] J. Zhang and C. Zhao, “The research of SM topology with DC fault tolerance in MMC-HVDC,” IEEE Transactions on Power Delivery 30 (3), 1561–1568, (2015).
- [8] E. Kontos, R.T. Pinto, and P. Bauer, “Fast DC fault recovery technique for H-bridge MMC-based HVDC networks,” in 2015 IEEE Energy Conversion Congress and Exposition (ECCE), Sept 2015, 3351–3358 (2015).
- [9] R. Zeng, L. Xu, L. Yao, and D.J. Morrow, “Precharging and DC fault ride-through of hybrid MMC-based HVDC systems,” IEEE Transactions on Power Delivery 30 (3), 1298–1306, (2015).
- [10] S. Cui, S. Kim, J.J. Jung, and S.K. Sul, “Principle, control and comparison of modular multilevel converters (MMCs) with DC short circuit fault ride-through capability,” in 2014 IEEE Applied Power Electronics Conference and Exposition – APEC 2014, March 2014, 610–616 (2014).
- [11] E. Kontos, R.T. Pinto, and P. Bauer, “Providing DC fault ridethrough capability to H-bridge MMC-based HVDC networks,” in 2015 9th International Conference on Power Electronics and ECCE Asia (ICPE-ECCE Asia), June 2015, 1542–1551 (2015).
- [12] X. Yu, Y. Wei, and Q. Jiang, “STATCOM Operation Scheme of the CDSM-MMC During a Pole-to-Pole DC Fault,” IEEE Transactions on Power Delivery 31 (3, pp. 1150–1159, June 2016.
- [13] G.P. Adam and I.E. Davidson, “Robust and generic control of full-bridge modular multilevel converter high-voltage DC transmission systems,” IEEE Transactions on Power Delivery 30 (6, pp. 2468–2476, Dec 2015.
- [14] X. Yu, Y. Wei, and Q. Jiang, “STATCOM Operation Scheme of the CDSM-MMC During a Pole-to-Pole DC Fault,” IEEE Transactions on Power Delivery 31 (3, pp. 1150–1159, June 2016.
- [15] G. Tsolaridis, E. Kontos, S.K. Chaudhary, P. Bauer, and R. Teodorescu, “Internal Balance during Low-Voltage-Ride- Through of the Modular Multilevel Converter STATCOM,” Energies 10 (7, 2017.
- [16] G. Tsolaridis, E. Kontos, H. Parikh, R.M. Sanchez-Loeches, R. Teodorescu, and S.K. Chaudhary, “Control of a Modular Multilevel Converter STATCOM under internal and external unbalances,” in IECON 2016 – 42nd Annual Conference of the IEEE Industrial Electronics Society, Oct 2016, pp. 6494–6499.
- [17] A. Dekka, B. Wu, V. Yaramasu, and N.R. Zargari, “Model Predictive Control With Common-Mode Voltage Injection for Modular Multilevel Converter,” IEEE Transactions on Power Electronics 32 (3, pp. 1767–1778, March 2017.
Uwagi
PL
Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).
Typ dokumentu
Bibliografia
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bwmeta1.element.baztech-9560969e-85ac-4790-8cad-56eede7aec81