Increase Flexibility and Improve Resilience in Smart Microgrids by Coordinating Storage Resources and Distributed Generation During Contingencies
Subject Areas : Electronics Engineering
Mohsen Gholami
1
,
Mehrdad Mallaki
2
1 - Electrical Engineering Department, Islamic Azad University, Bushehr Branch, Bushehr, Iran
2 - Electrical Engineering Department, Islamic Azad University, Bushehr Branch, Bushehr, Iran
Keywords: Stability, Energy storage resources, Microgrid, resiliency, distributed generation,
Abstract :
The microgrid inertia as a result of tiny structure and barely tolerance variations, is fairly low. Thus, the maintenance of voltage stability and frequency specifically in islanded mode is extremely demanding. Even if these products have efficient control system, they can’t retain microgrid stability due to the low speed of response in primary sources of energy and communication delays of the links between outer unit and control system in distributed generation. Introducing a structure of fuzzy control arranged with neural network to balance between generation part and consumption part in micro grid is the main purpose of this paper. Using the fuzzy logic, this controller enables flexible operation of microgrids in both network and islanded modes. In the proposed control system, a trainable neural network in different operating conditions is responsible for fine tuning of the fuzzy logic system. Because of the sensitivity of the loads in the microgrid the proposed structure is designed to interact with the storage source in order to increase the response speed to the imbalance between production and consumption. This might prevent excessive voltage and frequency deviation, especially in the severe situations. With this controller, fluctuations in the production of renewable resources quickly compensated without a negative impact on resilience and instability of the microgrid, especially while disconnecting from the main network
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[1] G. Dileep, "A survey on smart grid technologies and applications," Renewable Energy, vol. 146, pp. 2589-2625, 2020, doi:10.1016/j.renene.2019.08.092.
[2] S. Chandak and P. K. J. I. J. o. E. R. Rout, "The implementation framework of a microgrid: A review," International Journal of Energy Research, vol. 45, no. 3, pp. 3523-3547, 2021, doi:10.1002/er.6064.
[3] M. F. Zia, M. Benbouzid, E. Elbouchikhi, S. Muyeen, K. Techato, and J. M. J. I. A. Guerrero, "Microgrid transactive energy: Review, architectures, distributed ledger technologies, and market analysis," in IEEE Access, vol. 8, pp. 19410-19432, 2020, doi: 10.1109/ACCESS.2020.2968402.
[4] M. Yadav, N. Pal, and D. K. J. I. A. Saini, "Microgrid Control, Storage, and Communication Strategies to Enhance Resiliency for Survival of Critical Load," in IEEE Access, vol. 8, pp. 169047-169069, 2020, doi: 10.1109/ACCESS.2020.3023087.
[5] K. C. Meje, L. Bokopane, and K. Kusakana, "Microgrids control strategies: A survey of available literature," in 2020 International Conference on Smart Grid and Clean Energy Technologies (ICSGCE), 2020, pp. 167-173, doi: 10.1109/ICSGCE49177.2020.9275651.
[6] N. Pitalúa-Díaz et al., "An ANFIS-based modeling comparison study for photovoltaic power at different geographical places in Mexico," Energies, vol. 12, no. 14, p. 2662, 2019, doi: 10.3390/en12142662.
[7] Z. Liu, C. Su, H. Høidalen, and Z. Chen, "A Multiagent System-Based Protection and Control Scheme for Distribution System With Distributed-Generation Integration," IEEE Transactions on Power Delivery, vol. 32, no. 1, pp. 536-545, 2017, doi: 10.1109/TPWRD.2016.2585579.
[8] R. M. J. E. c. Kamel and management, "Maintaining stability of standalone Micro-Grid by employing electrical and mechanical fault ride through techniques upon fixed speed wind generation systems," Energy Conversion and Management, vol. 74, pp. 149-161, 2013, doi:10.1016/j.enconman.2013.04.031.
[9] R. M. Kamel and B. Kermanshahi, "Design and implementation of models for analyzing the dynamic performance of distributed generators in the micro grid part I: Micro turbine and solid oxide fuel cell," SCIENTIA IRANICA, vol.17, no.1, pp.47-58, 2010.
[10] D. K. Dheer, N. Soni, and S. Doolla, "Improvement of small signal stability margin and transient response in inverter-dominated microgrids," Sustainable Energy, Grids Networks, vol. 5, pp. 135-147, 2016, doi:10.1016/j.segan.2015.12.005.
[11] Y. Peng, Z. Shuai, J. M. Guerrero, Y. Li, A. Luo, and Z. J. J. I. T. o. I. E. Shen, "Performance improvement of the unbalanced voltage compensation in islanded microgrid based on small-signal analysis," in IEEE Transactions on Industrial Electronics, vol. 67, no. 7, pp. 5531-5542, July 2020, doi: 10.1109/TIE.2019.2934021.