Synthetic data generation

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Synthetic data generation

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Synthetic data generation provides a mean of constructing meteorological hourly data from only monthly known values.

This is required since numerous simulation processes have to be computed as instantaneous values (or pseudo-instantaneous as hourly averages). This is the case, for example, with the transposition model which closely depends on the solar geometry. The generation is performed using the Meteonorm 8.1 algorithm (included in PVsyst), based on the model proposed by Collares-Pereira  (for irradiances) and Scartezzini (for temperatures), but modernized. Please refer to the Meteonorm V8.1 Manual (Theory) for details.


To go further read our notes on :
- Hourly synthetic generation for irradiance,

- Hourly synthetic generation for temperature,

- Hourly synthetic generation for wind velocity.

Read also our note on year 1990.