Precision Insolation Measurement Under Field Conditions

M. S. Reid; C. M. Berdahl; R. A. Gardner

doi:10.1117/12.954943

15 February 1977 Precision Insolation Measurement Under Field Conditions

M. S. Reid, C. M. Berdahl, R. A. Gardner

Proceedings Volume 0085, Solar Energy Utilization II; (1977) https://doi.org/10.1117/12.954943
Event: 20th Annual Technical Symposium, 1976, San Diego, United States

Abstract

Interest and activity in solar energy as an alternative source of energy are rapidly increasing the world over, and this is likely to continue for years to come. No solar energy system, if it is to be efficient and economic, can be designed or constructed prior to detailed engineering study and a complete systems analysis. All such analytic work requires a detailed and accurate knowledge of insolation and other parameters. For efficient computer analysis these parameters should be expressed in the form of a probabilistic insolation model based on precision measured data over extended periods of time. Central solar station siting surveys also require accurate measured data, as do efficiency verifications and demand-load analyses. The present lack of accurate historic insolation is due mainly to the lack of precision insolation instrumentation for field work. This paper describes a precision insolation instrument developed for field survey work and for use as a calibration transfer standard. Two of these instruments have operated in the field for two years and a calibration stability analysis over this period of time is discussed.

Citation Download Citation

M. S. Reid, C. M. Berdahl, and R. A. Gardner "Precision Insolation Measurement Under Field Conditions", Proc. SPIE 0085, Solar Energy Utilization II, (15 February 1977); https://doi.org/10.1117/12.954943

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