Results 61 to 70 of about 15,036 (258)

Low-carbon optimal dispatch of integrated energy system considering demand response under the tiered carbon trading mechanism

open access: yes, 2023
In the operation of the integrated energy system (IES), considering further reducing carbon emissions, improving its energy utilization rate, and optimizing and improving the overall operation of IES, an optimal dispatching strategy of integrated energy ...
Chang, Duo   +4 more
core   +1 more source

Analysis of Current Situation and Future Development of Offshore Wind Power Industry [PDF]

open access: yes, 2023
[Introduction] Under the trend of accelerating the clean transformation of coastal energy and adjusting the industrial structure, offshore wind power will become an important support for the safe, clean and efficient transformation of power energy in ...
Jiachang LIU   +3 more
core   +1 more source

Climatic Long Term Trend and Prediction of the Wind Energy Resource in the Gwadar Port [PDF]

open access: yes, 2017
利用欧洲中期天气预报中心的ERA-Interim海表10m风场资料,计算巴基斯坦瓜达尔港的风能资源近36年(1979—2014年)期间的历史变化趋势,并利用线性回归和BP神经网络两种方法,对该港的风能资源进行长期年度预测,得到以下结果。1)瓜达尔港夏季的风能资源比冬季丰富,且夏季的稳定性明显好于冬季。2)近36年期间,风能密度、有效风速频率和100W/m2以上能级频率分别以?0.78W/(m2·a),?0.21%/a和?0.22%/a的速度逐年显著递减,且该趋势主要体现在夏季,冬季无显著变化趋势 ...
郑崇伟, 陈璇, 高悦
core   +1 more source

风电工程风机基础大体积混凝土施工与质量控制措施

open access: yes水电科技
在当今全球能源转型的大背景下,风电作为清洁能源的重要组成部分,正逐渐成为各国能源结构调整的重要选择之一。在风电项目中,风机基础的建设质量直接关系到整个风机系统的安全稳定运行,针对风机基础的大体积混凝土施工,其施工质量控制显得尤为重要。随着风电工程规模的不断扩大和技术的不断提升,如何有效地进行风机基础施工,确保其质量和可靠性,成为了当前风电行业亟需解决的重要问题。文中探讨风机基础施工过程中的关键环节和质量控制措施,从设计、施工到监测和应急处理等多个方面进行全面分析 ...
亚彬 朱
semanticscholar   +1 more source

Participation Disenchants: How Online Political Participation Decreases Online Political Efficacy in China

open access: yesRegulation &Governance, EarlyView.
ABSTRACT Existing literature largely agrees that authoritarian regimes establish channels for political participation to gather valuable information on citizens' anti‐regime sentiments and policy preferences and to supervise lower‐level bureaucrats and firms.
Anton Bogs
wiley   +1 more source

基于20Hz低频输电技术的海上风电变压器系统设计与性能分析

open access: yes水电科技
海上风电系统在可再生能源利用中扮演着重要角色。随着低频输电技术的发展,20Hz低频输电方案为海上风电变压器系统的设计提供了新的思路。该系统通过优化变压器的设计与性能分析,旨在提高风电输电效率与系统稳定性。采用先进的材料和结构设计,降低了损耗,提升了可靠性。同时,针对海洋环境的特殊性,设计了相应的防护措施,以确保变压器在恶劣条件下的安全运行。研究结果表明,20Hz低频输电技术能够有效提升海上风电系统的整体性能。
姜 石
semanticscholar   +1 more source

Collaborative Control Method for Offshore Wind Farms with Friendly Access to Hydrogen Energy Systems During Typhoons [PDF]

open access: yes, 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
core   +1 more source

Managing Risk, Reinforcing Environmental Racism: The Biopolitics of Pesticide Regulation in California Agriculture

open access: yesReview of Policy Research, EarlyView.
ABSTRACT This paper provides a retrospective on California's oversight of 1,3‐dichloropropene (1,3‐D). It utilizes archival documents, including internal memos, emails, and risk assessments, to demonstrate how the state's Department of Pesticide Regulation consistently expanded allowable 1,3‐D use while presenting each policy change as scientifically ...
Kaitlyn Alvarez Noli
wiley   +1 more source

基于CVaR的灵活综合能源系统随机调度优化模型 [PDF]

open access: yes全球能源互联网, 2020
综合能源系统(integrated energy system,IES)可以满足园区冷、热、电等多种能源互补的需求,实现多能耦合,进一步提升能源的利用效率。但伴随光伏和风电等可再生能源发电设备的广泛接入,其不确定性和间歇性使得综合能源系统供给灵活性降低、运行风险增大,不能有效提升可再生能源的使用效率。以系统运行成本、碳排放惩罚成本最小为目标,分析了冷热电联供对系统运行效率的影响,同时引入模糊C均值-聚类综合质量法(FCM-CCQ)对风电及光伏的出力场景进行聚类分析,运用条件风险价值 ...
张萌萌, 董军
doaj   +1 more source

Design and Implementation of Wind Power Production Real-time Supervisory Information System [PDF]

open access: yes, 2015
本文阐述了SIS的基本概念,分析SIS在电力企业信息化中的地位及国内外 的研究动态,着重研究SIS在风力发电企业中的应用,同时结合目前风力发电生 产信息的特点和需求,设计解决方案,并加以实现为其构建实时信息监测系统。 论文介绍了跨浏览器、跨系统的多媒体JAVA技术、Delphi技术、数据可视 化、网络拓扑设计等关键技术。重点讨论了SIS总体设计方案,包括系统设计的 原则,系统设计的总体要求、系统功能的实现、系统软件架构和网络结构等。系 统实现了实时数据的深层次加工和提炼,为决策分析提供辅助信息 ...
朱文杰
core  

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