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Change in cyclone disaster vulnerability and response in coastal Bangladesh
Disasters, Volume 48, Issue 2, April 2024.The number of deaths owing to tropical cyclones in Bangladesh has significantly reduced. Category 4 Cyclone Gorky in 1991 and Sidr in 2007 caused 147,000 and 4,500 deaths respectively, whereas Category 1 Cyclone Mora in 2017 resulted in six. Face‐to‐face interviews with 362 residents, participant observation, and focus‐group discussions answer a ...
Edris Alam +4 more
wiley +1 more source
Wind Turbine Modeling and Control Study based on LPV Model [PDF]
, 2015 风能是一种清洁可再生能源，其开发和利用越来越受人们的重视。风力发电机是利用风能发电的设备，近年来，风力发电机逐渐向高效率、高可靠性和大型化发展，使风力发电机的动态模型变得更加复杂。为了使风力发电机平稳可靠运行，提高发电效益，对风力发电机进行建模和控制很有必要。本文针对风力发电机的动态非线性特性，基于LPV模型辨识方法对风力发电机建模，后用辨识所得LPV模型设计MPC控制器，对风力发电机进行变桨距控制。论文的主要工作有： （1）讨论风力发电机的原理模型，分别分析各分块原理模型和一些常用的计算机仿真工具。 （
曹力仁
core
Multi-Machine Cooperative Control Strategy of Wind Farm Participating in Power Grid Frequency Modulation [PDF]
ObjectivesConsidering the difference of primary frequency regulation ability of wind turbines under different wind conditions in wind farms, the evaluation method of frequency regulation capability of wind turbines was optimized on the basis of sag ...
HAO Sipeng +4 more
core +1 more source
Analysis of the Influence of Common Mode Current on Wind Turbine [PDF]
, 2023 [Introduction] The objective is to solve the injury and destruction of the wind turbine equipment caused by the common mode interference current and avoid the long-term operation of the wind turbine with faults and the damage to the large components of ...
Xiaofeng WANG
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High Voltage Crossing Strategy of Wind Farm Considering Active and Reactive Coordinated Recovery [PDF]
ObjectivesTo address the serious high voltage ride-through (HVRT) problem faced by wind farms as a result of the large voltage surge at the grid-connected point after a DC fault, a recovery mechanism of “active priority balancing - reactive power dynamic
HAN Lu +4 more
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Research on Design Optimization of Offshore Booster Stations [PDF]
, 2023 [Introduction] In recent years, China has put into operation a large number of offshore booster stations and accumulated rich experience in the construction and operation of offshore booster stations.
Binrui ZHANG, Lei SU, Xiaogang WANG
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Joint Simulation Study on Load Characteristics of Wind Turbines in Low Voltage Ride Through Process [PDF]
ObjectiveThe grid fault of voltage drop will cause severe variations to the load of wind turbines, and seriously affect the safe and stable operation of wind turbines.
LIANG Kai +5 more
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Gaoya dianqi, 2015 文中研究了当今世界重点风电市场区域的风电场/风力发电机组接入电网技术规定,归纳并分析了风力发电机组设计所需要考虑的风电接入电网技术要求,如有功功率控制、无功功率控制、低电压穿越、高电压穿越、电网适应性、电能质量;同时以风电机组低电压穿越特性为案例,重点探讨了3种主流风电机组低电压穿越能力与电网之间的相互影响,以及各类风力发电机组低电压穿越特性的基本解决思路,对风电场运营部门和电网调度部门有一定的参考价值。
郑翔宇 +5 more
doaj
Overview of Current Situation and Trend of Offshore Wind Power Development in China [PDF]
Under the carbon peak goal and carbon neutral vision, offshore wind power has made great progress in China in recent years. The current development status and future planning of offshore wind power in China were analyzed, summarizing the installed ...
MA Kuichao +5 more
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, 2023 在推动中国新能源高质量跃升式发展背景下，大规模新能源开发、汇集和远距离输送成为新能源建设的重要路径之一，特大型新能源基地成为未来的重要形态。由于缺少常规交流同步发电机组和可靠备用容量，特大型新能源基地稳定性挑战、新能源利用率与供电充裕性矛盾凸显，其形态结构及演化路径成为当前关切的热点问题。系统梳理了当前最新学术研究成果，研判特大型新能源基地未来可能的源网形态并做特征分析；进一步，面向特大型新能源基地系统强度弱、灵活性不足、源网协调运行矛盾突出等挑战，针对性提出源网协调规划 ...
张玮 +5 more
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