The new Meteonorm 7.2 has two minute models
In order to accurately simulate large PV plants or energy management & battery systems, reliable time series of solar radiation with minute resolution are essential. According to Meteonorm there is a huge difference between hourly data and minute data: with minute data, the variation is higher, ramps are steeper and overshootings are more frequent. The measurement of minute values is difficult and costly with ground sensors and even impossible with satellite data. As the existing minute models in Meteonorm did not fulfil the requirements in terms of accuracy anymore, Meteonorm decided to design new models in version 7.2.
The first new minute model is the "Hofmann" model, as it was already implemented in the simulation software PVSol. The second new minute model is an own development by Meteotest: It is based on real measurement data with minute resolution from all over the world. Based on this data source Meteonorm has developed a stochastic generator which is able to generate time series with minute resolution everywhere on Earth.
Because of the urban heat island effect, cities experience higher temperatures than their rural surroundings. This effect needs to be considered by building and urban planners. In order to better meet these requirements, Meteonorm has updated the algorithms in Meteonorm 7.2 based on the findings of the project Urban Green & Climate Bern. (nhp)
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