Featured in 20 Array Changers – 06-2016

Optimizing your O&M

Smart data analytics: The urge to optimize PV plant performance is a natural one, and something every good EPC worth their salt should be thinking of from day one. And while post-installation monitoring and analysis tools vary, there are a wealth of platforms and techniques on the market to assist plant owners, writes Stefan Mau, a senior engineer with DNV GL.

By

pv magazine

13 Jun 2016

<grundtext_einzug>measured irradiance on a day with clear skies (see Figure 2 above) reveals that at least two of the sensors measure incorrectly. The calibration uncertainty of the pyranometers is roughly 1.5%. Measurement deviations between pyranometers (which are expected to report the same irradiance) of more than 3% indicate that something is incorrect. An on-site inspection …

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