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SATELLITE DATA FOR INVESTMENT DECISIONS AND PLANT MONITORING

机译：用于投资决策和工厂监控的卫星数据

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Solid investment decision and reliable plant management are of high importance for the profitability ofPV systems. For a sound investment decision high quality long term irradiance data is crucial. But only in fewregions as e.g. in Switzerland a dense net of long term ground measurements of irradiance exists. Especially in southEuropean and African countries, reliable investment decisions are often hindered due to a lack of reliable irradiancedata. In such cases, satellite data can be a solution. For more than 20 years, geostationary satellites of the EuropeanSpace Agency (ESA) take pictures from whole Europe and Northern Africa in at least hourly intervals. These satelliteimages can be used to calculate the irradiance at any location within the view of the satellite. A disadvantage of thesatellite data are the limited temporal intervals which cause uncertainties of more than 10% for daily or higher timeresolutions. These problems can be overcome by a skillful combination of satellite and ground measured data. Thispaper highlights the field of application for satellite data in the PV sector.
机译：可靠的投资决策和可靠的工厂管理对公司的盈利能力至关重要。 光伏系统。为了做出明智的投资决定，高质量的长期辐照度数据至关重要。但只有少数 区域，例如在瑞士，存在长期照度测量的密集网络。特别是在南方 欧洲和非洲国家/地区，由于缺乏可靠的辐照度，通常会阻碍可靠的投资决策 数据。在这种情况下，卫星数据可以作为解决方案。 20多年来，欧洲的对地静止卫星 航天局（ESA）至少每隔一小时拍摄一次整个欧洲和北非的照片。这些卫星 图像可用于计算卫星视图内任何位置的辐照度。的缺点 卫星数据是有限的时间间隔，导致每天或更高时间的不确定性超过10％ 决议。这些问题可以通过熟练地结合卫星和地面测量数据来克服。这 论文重点介绍了光伏行业中卫星数据的应用领域。

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