Results 21 to 30 of about 89,061 (153)
Gaoya dianqi, 2022 随着风力发电的供需日益增长，风力发电机越来越多地被安装在具有高土壤电阻率和高雷击发生率的次优地理位置，这使得风力发电机的防雷系统成为风电场设计的关键因素。有效的防雷系统不仅保证了风力发电机物理结构和运行控制人员的安全，还可保护风力发电机内部的电气控制系统，以实现风能的高效消纳。基于此，文中提出了一种适用于风电场的防雷系统有效性评估新方法，在风电场早期规划阶段采用所提评估方法，可减少雷击引起的WT停机时间，从而提高风机的发电量。考虑到接地系统在风电场防雷系统中起着至关重要的作用 ...
杨俊 +5 more
doaj
Politics &Policy, Volume 54, Issue 4, August 2026.ABSTRACT This study examines how institutional arrangements associated with economic security reshape semiconductor production in East Asia through the case of TSMC's investment in Kumamoto, Japan. It argues that economic security operates not primarily through direct administrative control, but by redefining acceptable investment risks, narrowing ...
Yumeng Wang
wiley +1 more source
全球能源互联网, 2019 35kV交流汇集是目前海上风电场集电系统的通用集电方案。随着对海上风场单位成本降低的追求和技术的发展，海上风机单机容量越来越大。然而，由于35kV海底电缆热极限和通流能力的限制，单机容量的增大使得单根海缆上可连接的风机数目随之减少。随着海上风电场规模的扩大和单机容量的增加，如果仍采用35kV交流集电方案，海底电缆的数目势必增加，电缆投资及相应工程费用和难度也将增大。据此，提出了66kV交流集电方案，并基于一组典型案例，对35kV和66kV海上风电交流集电方案进行了技术经济性比对 ...
蔡蓉 +4 more
doaj +1 more source
Microstructure Engineering Toward High Cost‐Effective Nd–Fe–B Sintered Magnets: A Review
Rare Metals, Volume 45, Issue 7, July 2026.ABSTRACT Nd–Fe–B sintered magnets, critical for enhancing electromechanical conversion efficiency and operational stability in wind turbines and electric vehicle drives, are prized for their outstanding coercivity, high remanence, and superior maximum energy product.
Dongmin Zhang +5 more
wiley +1 more source
Recovering Critical Elements From Wastewater for Battery Materials: A Review
Rare Metals, Volume 45, Issue 7, July 2026.ABSTRACT Driven by global carbon neutrality goals, the transition toward a circular economy and sustainable resource management has become increasingly imperative. Given the indispensable role of battery technologies in modern energy storage systems, strategic elements such as lithium (Li), cobalt (Co), and nickel (Ni)—identified by the European ...
Ting Lei +5 more
wiley +1 more source
, 2017 《力学园地》编辑部： 近年来，我国风电装机量已经是稳居世界第一了。但我一直有个问题不明白：巨大的扇叶是怎么运到偏僻的风场呢？ 一名在校大学生 2017.11.30 喜爱思索的大学生同学： 很高兴，你能关注风电领域并提出这个问题，表明你是位喜爱思索的大学生，这是个很好的习惯。 图1 风力发电厂 大家都知道，风能是一种绿色能源，或者说是一种可再生能源。人们将巨大的风车设立在风场里，利用风力转动扇叶来发电，从而将风能转化为电能 ...
龙翔
core +1 more source
Interventions to Reduce Child Poverty and Its Determinants: A Rapid Overview of Reviews
Poverty &Public Policy, Volume 18, Issue 2, June 2026.ABSTRACT Despite evidence for various child poverty reduction strategies, there is ambiguity regarding the most effective types to inform policy. Thus, we conducted an overview of reviews to systematically identify, appraise, and synthesize interventions for reducing childhood poverty in high‐income country settings.
Omar Dewidar +9 more
wiley +1 more source
Rare Metals, Volume 45, Issue 6, June 2026.ABSTRACT The urgent environmental crisis caused by polyethylene terephthalate (PET) waste necessitates efficient upcycling strategies. Herein, we establish a novel pathway to transform waste PET plastic into a high‐performance catalytic material for mediating the oxygen evolution reaction (OER). Through a one‐step hydrothermal process, waste PET serves
Xin Wang +5 more
wiley +1 more source
Rare Metals, Volume 45, Issue 5, May 2026.ABSTRACT Environmental pollution across water, air, and soil systems poses escalating threats to human health and ecosystem stability, driven by heavy metals, persistent organic pollutants, particulate matter (PM), bioaerosols, and toxic gases. Conventional remediation technologies often suffer from limited selectivity, insufficient efficiency, and the
Junjie Qi +6 more
wiley +1 more source
Review of Policy Research, Volume 43, Issue 3, May 2026.ABSTRACT Zoning is one of the most widely used land use regulations in the U.S. An increasing number of local governments have adopted zoning ordinances to regulate renewable energy projects. However, there has been very limited research on the impact of this local regulatory tool.
Shan Zhou, Xue Gao
wiley +1 more source