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Ioan Filip, Florin Dragan and Iosif Szeidert
The starting point to design a minimum variance control law consists in identifying a linearized mathematical model (valid around an operating point) of a nonlinear process, respectively the on-line estimation of the parameters of this model. This paper ...
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Muhammad Shahzad Nazir, Yeqin Wang, Muhammad Bilal, Hafiz M. Sohail, Athraa Ali Kadhem, H. M. Rashid Nazir, Ahmed N. Abdalla and Yongheng Ma
Wind energy is considered as one of the most prominent sources of energy for sustainable development. This technology is of interest owing to its capability to produce clean, eco-friendly, and cost-effective energy for small-scale users and rural areas w...
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Hao Chen, Wei Xie, Xiyang Chen, Jingang Han, Nadia Aït-Ahmed, Zhibin Zhou, Tianhao Tang and Mohamed Benbouzid
This study mainly investigates the current and speed control strategies of a doubly-fed induction generator (DFIG), which is applied to a tidal stream turbine (TST). Indeed, DFIG using integer-order PI (IOPI) controller has been widely proposed in the ap...
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Danielle Preziuso, Gabriel García-Medina, Rebecca O?Neil, Zhaoqing Yang and Taiping Wang
Although tidal energy conversion technologies are not yet commercially available or cost-competitive with other renewable energy technologies like wind turbines and solar panels, tides are a highly predictable resource. Tidal energy?s predictability indi...
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Doubly-fed induction generators (DFIGs) are widely used in wind energy conversion systems. The dynamic features of DFIGs make it important to focus on designing high-performance control schemes. However, the dynamic characteristics of such generators dep...
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Zhijie Liu, Kejun Li, Yuanyuan Sun, Jinyu Wang, Zhuodi Wang, Kaiqi Sun and Meiyan Wang
Modular multilevel converters (MMCs) have shown great potential in the area of multi-megawatt wind energy conversion system (WECS) based on permanent magnet synchronous generators (PMSGs). However, the studies in this area are few, and most of them refer...
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Md Liton Hossain, Ahmed Abu-Siada and S. M. Muyeen
Condition monitoring and early fault diagnosis for wind turbines have become essential industry practice as they help improve wind farm reliability, overall performance and productivity. If not detected and rectified at early stages, some faults can be c...
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Yin Wu, Bowen Li and Fuquan Zhang
A conventional Wireless Sensor Network (WSN) cannot have an infinite lifetime without a battery recharge or replacement. Energy Harvesting (EH), from environmental energy sources, is a promising technology to provide sustainable powering for a WSN. In th...
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Bo Li, Wenhu Tang, Kaishun Xiahou and Qinghua Wu
This paper develops a robust regulator design approach to maximum power point tracking (MPPT) of a variable-speed wind energy conversion system (WECS) under the concept of perturbation and observation. The proposed perturb and observe regulators (PORs) r...
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Shoudao Huang, Yang Zhang and Zhikang Shuai
This paper proposes an improved pulse-width modulation (PWM) strategy to reduce the capacitor voltage ripple in Z-source wind energy conversion system. In order to make sure that Z-source capacitor voltage has symmetrical maximum and minimum amplitudes i...
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