Control of a DC-DC Dual Active Bridge Converter in DC Microgrids Applications
Keywords:microgrid, bidirectional DC-DC converter, dual active bridge converter, high frequency transformer, small signal model, classic control
In this paper, a control strategy for an isolated DCDC dual active bridge converter to adapt different voltage levels in a DC microgrid is proposed. The control strategy allows regulating the output voltage while maintaining in zero the mean value of the current in the high frequency transformer. The system is represented with a linearized version of its generalized average model and the controller is designed using classical techniques. The performance of the proposal is validated with simulations and experimental results.
H. Qin and J. W. Kimball, “Generalized Average Modeling of Dual Active Bridge DC–DC Converter,” IEEE Trans. on Power Electron., vol. 27, no. 4, pp. 2078-2084, April 2012.
A. T. Elsayed, A. A. Mohamed, and O. A. Mohammed, “DC microgrids and distribution systems: An overview,” Electr. Power Syst. Res., vol. 119, pp. 407–417, 2015.
D. Kumar, F. Zare, A. Ghosh, “DC Microgrid Technology: System Architectures, AC Grid Interfaces, Grounding Schemes, Power Quality, Communication Networks, Applications and Standardizations Aspects,” IEEE Access, vol. 5, pp. 12230-12256, 2017.
H. Abdelgawad and V. K. Sood, “A Comprehensive Review on Microgrid Architectures for Distributed Generation,” in 2019 IEEE Electrical Power and Energy Conference (EPEC), Montreal, QC, Canada, 2019, pp. 1-8.
M. F. Zia, M. Benbouzid, E. Elbouchikhi, S. M. Muyeen, K. Techato and J. M. Guerrero, “Microgrid Transactive Energy: Review, Architectures, Distributed Ledger Technologies, and Market Analysis,” IEEE Access, vol. 8, pp. 19410-19432, 2020.
T. E. D. C. Huayllas, D. S. Ramos, and R. L. V. Arnez, “Microgrid Systems: Main Incentive Policies and Dynamic Performance Evaluation for their Integration to the Network,” IEEE Latin America Trans., vol. 12, no. 6, pp. 1078-1085, Sep. 2014.  Q. Xiao, L. Chen, H. Jia, P. W. Wheeler and T. Dragičević, “Model Predictive Control for Dual Active Bridge in Naval DC Microgrids Supplying Pulsed Power Loads Featuring Fast Transition and Online Transformer Current Minimization,” in IEEE Trans. Ind. Electron., vol. 67, no. 6, pp. 5197-5203, June 2020. .. S. Chi, P. Liu, X. Li, M. Xu and S. Li, “A Novel Dual Phase Shift Modulation for Dual-Active- Bridge Converter,” in 2019 IEEE Energy Conv. Cong. and Exp. (ECCE), Baltimore, MD, USA, 2019, pp. 1556-1561.
B. Zhao, Q. Yu and W. Sun, “Extended-Phase-Shift Control of Isolated Bidirectional DC–DC Converter for Power Distribution in Microgrid,” IEEE Trans. Power Electron., vol. 27, no. 11, pp. 4667-4680, Nov. 2012.  R. W. A. A. De Doncker, D. M. Divan and M. H. Kheraluwala, “A three-phase soft-switched high-power-density DC/DC converter for high-power applications,” IEEE Trans. Ind. Appl., vol. 27, no. 1, pp. 63-73, Jan.-Feb. 1991.
R. K. Behera and O. Ojo, “Modeling and control of DAB converter for solar micro-grid application,” in 2015 6th Int. Conf. on Power Electron. Syst. and Appl. (PESA), Hong Kong, 2015, pp. 1-5.
Inoue, S. and Akagi, H. “A Bidirectional dc–dc Converter for an energy storage system with galvanic isolation,” IEEE Trans. Power Electron., vol. 22, Issue 6, pp. 2299 – 2306, Nov. 2007.  S. Kurm and V. Agarwal, “Novel Dual Active Bridge Based Multi Port Converter for Interfacing Hybrid Energy Storage Systems in Electric Vehicles,” in 2019 IEEE Transp. Electrification Conf. (ITEC-India), Bengaluru, India, 2019, pp. 1-5.
H. Qin and J. W. Kimball, “Closed-Loop Control of DC–DC Dual-Active-Bridge Converters Driving Single-Phase Inverters,” IEEE Trans. Power Electron., vol. 29, no. 2, pp. 1006-1017, Feb. 2014.  K. Meena, K. Jayaswal and D. K. Palwalia, “Analysis of Dual Active Bridge Converter for Solid State Transformer Application using Single-Phase Shift Control Technique,” 2020 Int. Conf. on Inventive Computation Technologies (ICICT), Coimbatore, India, 2020, pp. 1-6.
Krismer F., Kolar J.W., “Accurate Small-Signal Model for the Digital Control of an Automotive Bidirectional Dual Active Bridge,” IEEE Trans. Power Electron., vol.24, no.12, pp.2756-2768, Dec. 2009.  Y. Liu, “DC Voltage Control of Inverter Interfaced Dual Active Bridge Converter for V2L applications,” in 2019 IEEE 7th Work. on Wide Bandgap Power Devices and Appl. (WiPDA), Raleigh, NC, USA, 2019, pp. 319-324.
I. Syed and W. Xiao, “Modeling and control of DAB applied in a PV based DC microgrid,” in 2012 IEEE Int. Conf. Power Electron., Drives and Energy Syst. (PEDES), Bengaluru, 2012, pp. 1-6.
S. Han, I. Munuswamy and D. Divan, “Preventing transformer saturation in bi-directional dual active bridge buck-boost DC/DC converters,” 2010 IEEE Energy Conv. Cong. and Exp., Atlanta, GA, 2010, pp. 1450-1457.
B. P. Baddipadiga and M. Ferdowsi, “Dual loop control for eliminating DC-bias in a DC-DC dual active bridge converter,” in 2014 Int. Conf. Renew. Energy Res. Appl. (ICRERA), Milwaukee, WI, 2014, pp. 490-495.
S. Dutta, S. Bhattacharya and M. Chandorkar, “A novel predictive phase shift controller for bidirectional isolated dc to dc converter for high power applications,” in 2012 IEEE Energy Conv. Cong. and Exp. (ECCE), Raleigh, NC, 2012, pp. 418-423.
J. A. Mueller and J. W. Kimball “An Improved Generalized Average Model of DC-DC Dual Active Bridge Converters,” IEEE Trans. on Power Electron., vol. 33, no. 11, pp. 9975-9988, Nov. 2018.
C. Gaviria, E. Fossas, and R. Grino, “Robust controller for a full-bridge rectifier using the IDA approach and GSSA modeling,” IEEE Trans. Circ. Sys. I: Regular Papers, vol. 52, no. 3, pp. 609–616, Mar. 2005.  Caliskan, V. A., Verghese, G. C., & Stankovic, A. M. (n.d.). “Multi-frequency averaging of DC/DC converters,” in 1996 5th IEEE Workshop on Computers in Power Electron., Portland, 1996, pp. 113-119.
S. Bacha, I. Munteanu and A. I. Bractu, “Power Electronic Converters Modeling and Control: Advanced Textbooks in Control and Signal Processing,” vol. 454. London, U.K.: Springer, 2014.
K. Ogata, “Modern Control Engineering,” 5th ed. Pearson Education Inc. New Jersey, 2010.
M. Bodson, “Explaining the Routh–Hurwitz Criterion: A Tutorial Presentation [Focus on Education],” IEEE Control Syst. Mag., vol. 40, no. 1, pp. 45-51, Feb. 2020.