Climate-regime cospectrum analysis: Shortwave solar irradiance for regionally spaced locales

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Solar irradiance has both short-term (less than 12 hour) and long-term (seasonal) variations. Understanding these fluctuations is crucial for improving solar resource forecasting and evaluating co-production strategies for solar-fossil power technologies. Six USA sites are selected from the Integrated Surface Irradiance Study (ISIS) and Surface Radiation (SURFRAD) budget network. To assess the long-term variations, the data is analyzed in seasonal periods: winter, spring, summer, and fall. Power spectral density is used to analyze the short term and long term variations in DWS. The inter-site coherence and phase analysis allows geographic dispersion of the solar resource to be evaluated. Results indicate that understanding long-term periodic oscillations are useful to optimize the co-production of solar/fossil power. Seasonal analysis of short-term variations suggests that the ability of a regionally dispersed network of PV to dampen the intermittency of solar power production is dependent upon the climatic regime.

Original languageEnglish (US)
Title of host publicationWorld Renewable Energy Forum, WREF 2012, Including World Renewable Energy Congress XII and Colorado Renewable Energy Society (CRES) Annual Conference
Pages1957-1962
Number of pages6
StatePublished - Dec 31 2012
EventWorld Renewable Energy Forum, WREF 2012, Including World Renewable Energy Congress XII and Colorado Renewable Energy Society (CRES) Annual Conference - Denver, CO, United States
Duration: May 13 2012May 17 2012

Publication series

NameWorld Renewable Energy Forum, WREF 2012, Including World Renewable Energy Congress XII and Colorado Renewable Energy Society (CRES) Annual Conferen
Volume3

Other

OtherWorld Renewable Energy Forum, WREF 2012, Including World Renewable Energy Congress XII and Colorado Renewable Energy Society (CRES) Annual Conference
CountryUnited States
CityDenver, CO
Period5/13/125/17/12

All Science Journal Classification (ASJC) codes

  • Energy Engineering and Power Technology
  • Renewable Energy, Sustainability and the Environment

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