沙尘暴对干旱沙漠气候下混合可再生能源和负荷需求的影响:案例研究

IF 4.4 2区 工程技术 Q2 ENERGY & FUELS
Sultan Sh. Alanzi, Bader Aldalali, Rashad M. Kamel
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引用次数: 0

摘要

在全球范围内,可再生能源(RES)的使用越来越频繁,包括科威特这样的干旱沙漠地区。这个面积不大的地区正计划扩大可再生能源的比例,到 2030 年达到全国电力需求的 15%。本研究调查了两次大沙暴对科威特采用的不同可再生能源的影响:(1) 光伏 (PV) 发电站,(2) 聚光太阳能 (CSP) 发电站,以及 (3) 风力涡轮机 (WTs)。沙尘暴表现出与天气相关的重要特征,因为在沙尘暴期间,太阳辐照度会显著下降,而风速则会增加。这两个天气参数是可再生能源所使用的燃料。因此,光伏发电站和 CSP 发电站的发电量会大幅下降,而风力发电站的发电量则会在几个小时内增加到额定值。这导致光伏发电站和热电联产发电站的总发电量下降,而风力发电站的发电量总是超过其典型的日平均值。通过比较 2021 年 5 月没有大沙尘暴的日平均发电量,光伏发电厂的发电量为 83.3%(风暴 1)和 49.1%(风暴 2),而 CSP 发电厂的发电量为 100.4%(风暴 1)和 18.2%(风暴 2)。相反,风电机组产生的能量为 198.6 %(风暴 1)和 237.6 %(风暴 2)。这项研究说明了采用混合可再生能源的好处之一。研究了不同的混合配置,其中光伏-风电配置显示出巨大的潜力,其发电量接近恒定,总发电量超额完成任务。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effects of sandstorms on hybrid renewable energy sources and load demand in arid desert climates: A case study

Globally, renewable energy sources (RESs) are being used more frequently, including in arid desert regions such as Kuwait. This small geographical area is planning to expand its RES share to reach 15 % of the national electricity demand by 2030. This study investigates the effects of two large sandstorms on different RESs employed in Kuwait: (1) photovoltaic (PV) power plants, (2) concentrated solar power (CSP) plants, and (3) wind turbines (WTs). Sandstorms exhibit crucial weather-related characteristics as the solar irradiance decreases significantly during storms whereas the wind speed increases. These two weather parameters are the fuel used in RESs. Therefore, the power produced by the PV and CSP plants decreases substantially, whereas the power produced by the WT increases to its rated value for several hours. This causes a decrease in the total energy generated by the PV and CSP plants, in contrast to the WT plants, which always overperform against their typical daily average values. By comparing the daily energy average of May 2021 with no major sandstorms present, the energy generated by the PV is 83.3 % (Storm 1) and 49.1 % (Storm 2), whereas the energy generated by the CSP is 100.4 % (Storm 1) and 18.2 % (Storm 2). Conversely, the energy generated by the WTs is 198.6 % (Storm 1) and 237.6 % (Storm 2). This study illustrates one of the benefits of employing hybrid RESs. Different hybrid configurations are investigated with the PV-WT configuration showing great potential with near-constant produced power and overperformance in the total energy generated.

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来源期刊
Energy for Sustainable Development
Energy for Sustainable Development ENERGY & FUELS-ENERGY & FUELS
CiteScore
8.10
自引率
9.10%
发文量
187
审稿时长
6-12 weeks
期刊介绍: Published on behalf of the International Energy Initiative, Energy for Sustainable Development is the journal for decision makers, managers, consultants, policy makers, planners and researchers in both government and non-government organizations. It publishes original research and reviews about energy in developing countries, sustainable development, energy resources, technologies, policies and interactions.
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