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Limits on cloud-induced fluctuation in Photovoltaic Generation

, and . IEEE Transactions on Energy Conversion, (1990)

Abstract

When cloud shadows move across a photovoltaic (PV) array, the array’s power output is reduced. It resumes full production when the shadow moves away. The utility must follow these changes with other types of generation. Under certain cloud conditions, the changes can be large and fast. A methodology is presented to assess the cost of such fluctuations and their effect on a utility’s ability to serve its load. A case study is also presented.

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