Results 11 to 20 of about 1,516 (110)
考虑谐波谐振和电压稳定的海上风电场无功优化配置方法 [PDF]
, 2023 海上风电经长距离高压交流海底电缆接入电网，海底电缆容升效应显著，容易引起工频过电压，同时电力电子器件和线路电容引起的谐波谐振问题也严重影响着电网电能质量，因此进行海上风电场无功配置时应充分考虑过电压和谐波谐振问题。针对上述问题，建立了海上风电场谐波模型，对海上风电场的谐波模态阻抗进行扫描，继而分析海上风电场的谐振特性；然后研究了海上风电场无功特性，计算各种发电出力水平和并网点电压下的风电场无功缺额；接着以降低综合成本为目标，以静态电压稳定裕度、最小补偿容量、谐波谐振及过电压为约束 ...
杜婉琳*, 梅桂华, 王玲, 马明
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Collaborative Control Method for Offshore Wind Farms with Friendly Access to Hydrogen Energy Systems During Typhoons [PDF]
, 2023 [Introduction] With the steady progress of the carbon peaking and carbon neutrality goals, more and more distributed renewable energy is connected to the power grid.
Enyan XIE +4 more
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Politics &Policy, Volume 51, Issue 6, Page 1155-1173, December 2023., 2023 Abstract Emissions trading schemes (ETS) have spread across the globe to tackle climate change. However, limited attention has been given to how ETS characteristics and designs differ and why. We use the concept of institutional complementarity to explore how the EU ETS and South Korea's ETS (K‐ETS) adapt to complement established political economy ...
Jihyung Joo +2 more
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Conservation Biology, Volume 37, Issue 4, August 2023., 2023 Abstract Internet trade is increasingly recognized as a dispersal pathway of non‐native plant species that is difficult to monitor. We sought to identify non‐native flora present in the Chinese online market, the largest e‐commerce market globally, and to decipher the effect of existing trade regulations, among other variables, on e‐trading patterns ...
Achyut Kumar Banerjee +8 more
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Wind Power, Hydropower and Thermal Power Combined Low-Carbon Maintenance Optimization Based on Continuous Hidden Markov Model [PDF]
, 2023 [Introduction] In the context of the new power system, low-carbon maintenance of wind turbines and coordinated maintenance with conventional wind turbine generator systems (WTGS) need to be solved urgently.
Min XIE +4 more
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Computational Intelligence and Neuroscience, Volume 2022, Issue 1, 2022., 2022 Accidents of various types in the construction of hydropower engineering projects occur frequently, which leads to significant numbers of casualties and economic losses. Identifying and eliminating near misses are a significant means of preventing accidents.
Shu Chen +4 more
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基于3D扫描雷达实测数据的海上风电场尾流特性研究 [PDF]
, 2023 为有效优化实际业务中海上风电场的机组排布方案设计，降低尾流电量损失，在江苏某海上实际运行风电场采用3D扫描雷达进行实地尾流观测实验，分析独立尾流、半尾流和全尾流三种工况下机组的尾流长度、尾流宽度及尾流深度等尾流特性。研究表明，独立尾流工况下机组尾流下游方向11D～12D（D为叶轮直径）距离处风速变化趋平，尾流影响减弱，机组尾流影响长度在11D左右；近尾流区内，全尾流工况机组的风速衰减较独立尾流和半尾流工况机组明显增大，远尾流区三种工况变化趋势一致，尾流宽度均在3D左右，呈“双高斯”或“凹型”分布特征 ...
刘树洁 +4 more
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Analysis on Influence Factors of Temporary Overvoltage of Load Rejection Fault of Offshore Wind Power Transmission System of Permanent Magnet Synchronous Generator [PDF]
, 2022 In order to evaluate the temporary overvoltage level of the wind power transmission system based on permanent magnet synchronous generator (PMSG) in case of load rejection, it is necessary to clarify the temporary overvoltage characteristics and its ...
CHEN Qiyu +6 more
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, 2023 为提升远海风电对称双极柔性直流送端交流系统单相接地故障和两相短路故障工况（第一类故障）下的功率输送能力，以及三相接地故障工况（第二类故障）的交流电压稳定性，提出海上换流站协调控制策略。首先分析了第一类故障的过电压和极间环流产生机理，以及第二类故障的交流电压失稳机理。在此基础上，提出了功率平衡控制策略和输出有功电流策略。第一类故障下定电压控制极采用限压策略，功率平衡控制策略抑制极间环流，增大定电压控制极的功率，减少了交流电压控制器响应时间，提升了功率输送能力。第二类故障工况下 ...
叶荣 +4 more
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Selection and Design of Wind Turbine Foundation for an Offshore Wind Farm [PDF]
, 2023 [Introduction] From 2022, the state subsidies for offshore wind power has been fully withdrawn. The foundation of offshore wind turbines is the supporting structure of wind turbines and plays a crucial role in the safe operation of offshore wind farms ...
Baoyang LI
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