Modeling hourly electricity generation from PV and wind plants in Europe

G. Schubert
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引用次数: 24

Abstract

Fluctuating electricity generation from solar photovoltaic and wind power is one of the most important determinants of the performance of electricity systems with rising shares of renewable energy. To analyze effects of high shares of fluctuating renewable electricity generation on a European scale, this paper provides a bottom-up approach for modeling hourly electricity output based on meteorological data and technical specifications for different reference plants. Electricity output for wind power is based on hourly data on wind speed, ambient temperature and atmospheric pressure and calculated considering different turbine power curves and hub heights. Calculation accuracy, notably reproduction of intraday characteristics, was significantly improved by assessing and accounting for atmospheric layering. Calculation of electricity generation from solar photovoltaic plants is based on historical hourly data on solar radiation and ambient temperature. The plant output is calculated considering module technology, mounting, module temperature and load dependent array and inverter efficiency.
模拟欧洲光伏和风力发电厂每小时的发电量
随着可再生能源份额的增加,太阳能光伏发电和风能发电的波动是电力系统性能的最重要决定因素之一。为了分析欧洲范围内波动的可再生能源发电的高份额的影响,本文提供了一种自下而上的方法,基于气象数据和不同参考电厂的技术规范对小时发电量进行建模。风力发电的发电量是基于风速、环境温度和大气压的每小时数据,并考虑不同的涡轮机功率曲线和轮毂高度来计算的。通过对大气分层的评估和核算,可以显著提高计算精度,特别是对日特征的再现。太阳能光伏电站发电量的计算是基于每小时太阳辐射和环境温度的历史数据。考虑了模块技术、安装方式、模块温度和负载相关阵列以及逆变器效率等因素。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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