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Józef Flizikowski, Andrzej Tomporowski, Robert Kasner, Adam Mroziński and Weronika Kruszelnicka

References Ackermann, T., 2005. Transmission Systems for Offshore Wind Farms . Wind Power in Power Systems, 479–503. Wiley-Blackwell. DOI: 10.1002/0470012684.ch22. Caiado, R.G.G., de Freitas Dias, R., Mattos, L.V., Quelhas, O.L.G., Leal Filho, W., 2017. Towards sustainable development through the perspective of eco-efficiency - A systematic literature review . Journal of Cleaner Production, 165, 890–904, DOI: 10.1016/j.jclepro.2017.07.166. Cherrington, R., Goodship, V., Meredith, J., Wood, B.M., Coles, S.R., Vuillaume, A., Feito-Boirac, A

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G. Zaleskis

. Zaleskis, G., Steiks, I., Pumpurs, A., & Krievs, O. (2015). DC-AC converter for load supply in autonomous wind-hydrogen power system. In 56th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON), 14 October 2015 (pp. 169–173). Riga: RTU Press. 5. Directive 2009/28/EC of the European Parliament and of the Council on the promotion of the use of energy from renewable sources. (2009). Official Journal of the European Union, L140/16. 6. Directive 2010/31/EU of the European Parliament and of the Council on

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Maziar Izadbakhsh, Alireza Rezvani and Majid Gandomkar

., Divya R., Mathur B.L., Maximum power point tracking using GA-optimized artificial neural network for Solar PV system. [In:] IEEE 2011 Electrical Energy Systems (ICEES), Newport Beach, Calif, USA: IEEE, pp. 264-268 (2011). [23] Vincheh M.R, Kargar A, GH.A., A Hybrid Control Method for Maximum Power Point Tracking (MPPT) in Photovoltaic Systems. Arabian Journal for Science and Engineering 39(6): 4715-4725 (2014). [24] Izadbakhsh M., Gandomkar M., Rezvani A., Vafaei S., Comparison of FLC-GA-PI Methods to Smooth the Output Power of Wind

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N. Levin, V. Pugachov and S. Orlova

References Kopilov, I., & Ljadova, T. (1988). Wind turbine without gearbox. Hydro project, Nr.129, 170-174 (in Russian). Levin, N., & Serebrjakov, A. (1991). Inductor generator in small power wind turbine. Energy buildings , (3), 53-55 (in Russian). Dirba, J., Levin, N., & Pugachov, V. (2006). Vēja Energijas elektromehāniskie pārveidotāji. Rīga: RTU, p. 312 (in Latvian). Spooner, E., & Williamson, A. (1996). Direct coupled permanent magnet generators

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Yue Chen, Lingyu Yang, Yi Xie and Song Yu


The paper determined the volume ratio of the main hull and side hull and their position characteristic parameter of operation and maintenance trimaran. Numerical simulation technology was used to do the analysis and calculation of trimarans which have different volume ratio of the main and side hull, and on this basis, the paper tried different positions of main and side hull, finally got the trimaran with optimum resistance performance and the chart of trimaran resistance estimation, so as to provide a new way in the selection of feature parameter of offshore wind farm maintenance trimaran and its resistance estimation.

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Habib Benbouhenni, Zinelaabidine Boudjema and Abdelkader Belaidi

control strategies on the rotor side converter in DFIG-based wind turbines,” Energy Procedia, Elsevier, Vol. 100, pp. 551-555, 2016. [6] Y. S. Rao, A. J. Laxmi, “Direct torque control of doubly fed induction generator based wind turbine under voltage dips,” International Journal of Advances in Engineering & Technology, Vol. 3, pp. 711-720, 2012. [7] S. Massoum, A. Meroufel, A. Massoum, P. Wira, “ A direct power control of the doubly-fed induction generator based on the SVM strategy,” Elektrotehniski Vestnik, Vol. 45, No. 5, pp. 235-240, 2017. [8] S. M

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Roman Gogola, Justín Murín and Juraj Hrabovský

References [1] White F.M.: Fluid Mechanics, 3rd. ed., pp 269-270, McGraw-Hill New York (1994) [2] Hung P.V., Yamaguchi H., Isozaki M., Gull J. H.: Large amplitude vibrations of longspan transmission lines with bundled conductors in gusty wind. Journal of Wind Engineering and Industrial Aerodynamics, 126 (2014) 48-59. [3] Wang J.: Overhead Transmission Line Vibration and Galloping. International Conference on High Voltage Engineering and Application, Chongqing, China, November 9-13, 2008. [4

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J. Jurasz and J. Mikulik

. Troccoli, and R.J. Hyndman, “Probabilistic energy forecasting: Global energy forecasting competition 2014 and beyond”, International Journal of Forecasting 32(3), 896‒913 (2016). [8] T. Kaur, S. Kumar, and R. Segal, “Application of artificial neural network for short term wind speed forecasting”, Biennial International Conference on Power and Energy Systems: Towards Sustainable Energy (PESTSE) , 1‒5 (2016). [9] O.B. Shukur and M.H. Lee, “Daily wind speed forecasting through hybrid KF-ANN model based on ARIMA”, Renewable Energy 76 , 637‒647 (2015

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Virgil Dumbrava, George Cristian Lazaroiu, Gabriel Bazacliu and Dario Zaninelli

, B., Brand, H., Weber, C., O’Malley, M. (2011). Stochastic optimization model to study the operational impacts of high wind penetrations in Ireland. IEEE Transactions on Power Systems, 26, 1367–1379. Ortega-Vazquez, M., and Kirschen, D. (2009). Estimating the spinning reserve requirements in systems with significant wind power generation penetration. IEEE Transactions on Power Systems, 24, 114–124. Ortega-Vazquez, M., and Kirschen, D. (2010). Assessing the impact of wind power generation on operating costs. IEEE Transactions on Smart Grid, 3, 295

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Carlos Roncero-Clemente, Enrique Romero-Cadaval, Oleksandr Husev and Dmitri Vinnikov

References [1] Enrique Romero Cadaval, María Isabel Milanés Montero. "Cooperative converters in power electronic systems". 12th Biennial Baltic Electronics Conference. Tallinn, Estonia. 4-6 October 2010. [2] F. Gao, P. C. Loh, F. Blaabjerg, D. M. Vilathgamuwa, “Dual Z-source inverter with three-level reduced common-mode switching”, IEEE Transactions on industry applications, vol.43, no. 6, pp.1597-1608, 2007. [3] P. C. Loh, S. W. Lim, F. Gao, F. Blaabjerg, “Three-level Z-source inverters using a single