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Raj Kiran Balakrishnan and Sung-ho Hur
Operating wind turbines together as a wind farm can be more advantageous and economical. As a result, onshore and offshore wind farms are being built at a rapid pace around the world. Wake effects, which have a negative impact on overall wind farm electr...
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Anannya Mondal, Md. Rifat Hazari, Mohammad Abdul Mannan, Junji Tamura
Pág. 41 - 46
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In wind farms, the interaction between turbines that operate close by experience some problems in terms of their power generation. Wakes caused by upstream turbines are mainly responsible of these interactions, and the phenomena involved in this case is ...
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Xinyin Zhang, Zaijun Wu, Minqiang Hu, Xianyun Li and Ganyun Lv
The Voltage Source Converter-HVDC (VSC-HVDC) system applied to wind power generation can solve large scale wind farm grid-connection and long distance transmission problems. However, the low voltage ride through (LVRT) of the VSC-HVDC connected wind farm...
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Junghun Lee, Yeuntae Yoo, Minhan Yoon and Gilsoo Jang
In order to solve the problems brought upon by off-shore wind-power plants, it is important to improve fault ride-through capability when an on-shore fault occurs in order to prevent DC overvoltage. In this paper, a coordinated control strategy is implem...
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Zhong Zheng, Geng Yang and Hua Geng
This paper aims to explore a viable solution for a doubly-fed induction generator (DFIG)-based wind farm to meet the reactive support requirement of the low voltage ride-through (LVRT) grid code with safe grid-connected operation during asymmetrical grid...
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Othman Hasnaoui, Mehdi Allagui
The main causes of wind farms disconnection from the grid is the three-phase grid faults at the point common coupling (PCC) e.g. the voltage dip. The use of a Static Synchronous Compensator (STATCOM) which is from the family of Flexible AC Transmission S...
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Cherng-Jer Chueh, Chun-Hung Chien, Ching Lin, Ting-Yan Lin and Mao-Hsiung Chiang
This study aims to develop dynamic co-simulation and control for analyzing the IEA 15 MW semi-submersible floating wind turbine under Taiwan offshore-wind-farm conditions of wind and wave. The IEA 15 MW wind turbine is mounted on a UMaine VolturnUS-S ref...
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Xiaolian Zhang, Can Huang, Sipeng Hao, Fan Chen and Jingjing Zhai
Maximum power point tracking (MPPT) plays an important role in increasing the efficiency of a wind energy conversion system (WECS). In this paper, three conventional MPPT methods are reviewed: power signal feedback (PSF) control, decreased torque gain (D...
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Junji Tamura, Atsushi Umemura, Rion Takahashi, Atsushi Sakahara, Fumihito Tosaka and Ryosuke Nakamoto
The penetration level of large-scale wind farms into power systems has been increasing significantly, and the frequency stability and transient stability of the power systems during and after a network fault can be negatively affected. This paper propose...
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Yanfeng Ma, Jia Liu, Haihang Liu and Shuqiang Zhao
Large-scale wind power interfacing to the power grid has an impact on the stability of the power system. However, with an additional damping controller of the wind generator, new ways for improving system damping and suppressing the low frequency oscilla...
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Jun Yang, Zhili Zeng, Yufei Tang, Jun Yan, Haibo He and Yunliang Wu
In power systems, although the inertia energy in power sources can partly cover power unbalances caused by load disturbance or renewable energy fluctuation, it is still hard to maintain the frequency deviation within acceptable ranges. However, with the ...
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Anukriti Pokhriyal, José Luis Domínguez-García and Pedro Gómez-Romero
The rapid increase in the integration of renewable energy sources into the electrical grid is posing new challenges for the dynamic responses due to the global inertia reduction. In this regard, the impact on frequency stability of such reduction and the...
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Ali Raza, Muhammad Younis, Yuchao Liu, Ali Altalbe, Kumars Rouzbehi and Ghulam Abbas
Although various topologies of multi-terminal high voltage direct current (MT-HVdc) transmission systems are available in the literature, most of them are prone to loss of flexibility, reliability, stability, and redundancy in the events of grid continge...
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Aleksey Kuzmichev, Aleksei Khimenko, Dmitry Tikhomirov, Dmitry Budnikov, Marek Jasinski, Vadim Bolshev and Ivan Ignatkin
Recommendations on the selection of air curtains and the calculation of their parameters for livestock premises in cattle management farms are made. The air curtain functioning principle is analyzed from the air jet theory point of view. The block diagra...
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Lei Xue, Jundong Wang, Liye Zhao, Zhiwen Wei, Mingqi Yu and Yu Xue
Wake effects commonly exist in offshore wind farms, which will cause a 10?20% reduction of whole power production as well as a 5?15% increase of fatigue loading on the wind turbine main structures. Obviously wake interaction between floating offshore win...
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Kuichao Ma, Jiangsheng Zhu, Mohsen Soltani, Amin Hajizadeh and Zhe Chen
For offshore wind farms, the power loss caused by the wake effect is large due to the large capacity of the wind turbine. At the same time, the operating environment of the offshore wind farm is very harsh, and the cost of maintenance is higher than that...
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Yanjian Peng, Yong Li, Zhisheng Xu, Ming Wen, Longfu Luo, Yijia Cao and Zbigniew Leonowicz
Unlike the traditional method for power quality improvement and low-voltage ride through (LVRT) capability enhancement of wind farms, this paper proposes a new wind power integrated system by means of an inductive filtering method, especially if it conta...
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Wei Wang, Chengxiong Mao, Jiming Lu and Dan Wang
Combining an energy storage system (ESS) with a wind farm is an effective way to increase the penetration rate of wind power. ESS sizing is an important part in wind farm planning nowadays. In this paper, a basic method for determining the optimal capaci...
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