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-1850. [3] ERRAMI Y., MAAROUFI M., OUASSAID M., Modeling and control strategy of PMSG based variable speed wind energy conversion system, International Conference on Multimedia Computing and Systems (ICMCS), 2011, 1-6. [4] FAN S., WANG P., WEN C., A new sensorless control strategy used in direct-drive PMSG wind power system, 2nd IEEE International Symposium on Power Electronics for Distributed Generation Systems (PEDG), 2010, 611-615. [5] GAJEWSKI P., PIEŃKOWSKI K., Control of a Variable Speed Wind Turbine System with PMSG Generator

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Measurement and Analysis of Current Signals for Gearbox Fault Recognition of Wind Turbine

References [1] Lu, W., Jing, W., Yuan, G., Yan, L. (2013). A gearbox fault diagnosis scheme based on near-field acoustic holography and spatial distribution features of sound field. Journal of Sound and Vibration, 332 (10), 2593-2610. [2] Lu, Y., Tang, J. Luo, H. (2012). Wind turbine gearbox fault detection using multiple sensors with features level data fusion. Journal of Engineering for Gas Turbines and Power , 134 (4), 907-914. [3] Bussel, V., Schontag, C. (1997). Operation and maintenance aspects

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The Performance of Direct-Driven Variable Speed Wind Turbine with PMSG and Converter Systems

References [1] EL HANI S., GUEDIRA S., EL ALAMI N., Maximum Power Tracking Control Wind Turbine Based on Permanent Magnet Synchronous Generator with Complete Converter, International Journal of Smart Grid and Clean Energy, 2014, Vol. 3, No. 1, 15-21. [2] GAJEWSKI P., PIEŃKOWSKI K., Control of a Variable Speed Wind Turbine System With PMSG Generator, Maszyny Elektryczne - Zeszyty Problemowe, 2015, Vol. 107, No. 3, 75-90. [3] GAJEWSKI P., PIEŃKOWSKI K., Analysis of a Wind Energy Converter System with PMSG

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Measurement of Aerodynamic and Acoustic Quantities Describing Flow around a Body Placed in a Wind Tunnel

, M., Ocker, J., Lemke, T., Mutzke, A., Schwarz, V., Tokuno, H., Toppinga, R., Unterlechner, P., Wickern, G. (2012). Wind noise caused by the side-mirror and A-pillar of a generic vehicle model. In 18th AIAA/CEAS Aeroacoustics Conference (33rd AIAA Aeroacoustics Conference) . American Institute of Aeronautics and Astronautics. [14] Jørgensen, F.E. (2002). How to measure turbulence with hot-wire anemometers - a practical guide . Dantec Dynamics A/S, Skovlunde, Denmark, 73 p. [15] Tůma, J. (2009). Diagnostika strojů . Ostrava, Czech Republic: VŠB

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A Measurement and Power Line Communication System Design for Renewable Smart Grids

testing. ISA Transactions , 43 (3), 477-490. [9] Wang, L., Liu, K.H. (2007). Implementation of a webbased real-time monitoring and control system for a hybrid wind-PV-battery renewable energy system. In International Conference on Intelligent Systems Applications to Power Systems (ISAP 2007) , 5 November 2007. IEEE, 1-6. [10] Guozhen, H., Tao, C., Changsong, C., Shanxu, D. (2009). Solutions for SCADA system communication reliability in photovoltaic power plants. In 6th International Power Electronics and Motion Control Conference

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Blade Tip-timing Technology with Multiple Reference Phases for Online Monitoring of High-speed Blades under Variable-speed Operation

R eferences [1] Tavakolpour-Saleh, A.R., Setoodeh, A.R., Gholamzadeh, M. (2016). A novel multi-component strain-gauge external balance for wind tunnel tests: Simulation and experiment. Sensors and Actuators A: Physical , 247, 172-186. [2] Sierra-Pérez, J., Torres-Arredondo, M.A., Güemes, A. (2016). Damage and nonlinearities detection in wind turbine blades based on strain field pattern recognition. FBGs, OBR and strain gauges comparison. Composite Structures , 135, 156-166. [3] Rothberg, S.J., Allen, M.S., Castellini, P. (2017). An

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Information-measuring System to Study the Thermocouple with Controlled Temperature Field

-197. [11] Perzel, V., Flimel, M., Krolczyk, J., et al. (2017). Measurement of thermal emission during cutting of materials using abrasive water jet. Thermal Science, 21 (5), 2197-2203. [12] Józwik, J., Ostrowski, D., Milczarczyk, R., Krolczyk, G.M. (2018). Analysis of relation between the 3D printer laser beam power and the surface morphology properties in ti-6Al-4V titanium alloy parts. Journal of the Brazilian Society of Mechanical Sciences and Engineering , 40 (4), 215. [13] Zhang, Y., Wang, P., Zhang, C., Lei, S. (2017). Wind energy prediction with LS

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Capacities and Limitations of Wind Tunnel Physical Experiments on Motion and Dispersion of Different Density Gas Pollutants

References [1] Kozubková, M. (2008). Modeling of Fluid Flow FLUENT, CFX. Ostrava, Czech Republic: VSB - Technical University of Ostrava. (in Czech) [2] Bojko, M. (2008). Guide for Training of Flow Modeling - FLUENT. Ostrava, Czech Republic: VSB - Technical University of Ostrava. (in Czech) [3] Civiš, S., Zelinger, Z., Střižík, M., Jaňour, Z. (2001). Simulation of air pollution in a wind tunnel. In Spectroscopy from Space: NATO Science Series IIMathematics Physics and Chemistry. Kluwer Academic Publishers, 275

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A comparative study between four-level NSVM and three-level NSVM technique for a DFIG-based WECSs controlled by indirect vector control

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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Detection of Gearbox lubrication Using PSO-Based WKNN

Conference on System Science and Engineering ( ICSSE ), 8-10 June 2011. IEEE, 37-42. [4] Yang, S., Li, W., Wang, C. (2008). The intelligent fault diagnosis of wind turbine gearbox based on artificial neural network. In International Conference on Condition Monitoring and Diagnosis (CMD 2008) , 21-24 April 2008. IEEE, 1327-1330. [5] Mohanty, R., Kar, C., (2006). Fault detection in a multistage gearbox by demodulation of motor current waveform. IEEE Transactions on Industrial Electronics , 53 (4), 1285-1297. [6] Rajagopalan

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