Act. 2.3 Shading Effect - PowerPoint PPT Presentation

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Act. 2.3 Shading Effect

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IEA International Energy Agency Photovoltaic Power Systems Programme - Task 2. Act. ... Pyranometer is also shaded usually -- PR cannot be used for comparison ... – PowerPoint PPT presentation

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Title: Act. 2.3 Shading Effect


1
Act. 2.3 Shading Effect
  • 1. Evaluation of shading effect
  • quantitative comparison
  • 2. Investigation of methods/tools to study
    shading effect
  • literature survey
  • 3. Recommendations for minimize shading loss

2
1. Evaluation of shading effect
  • Approach
  • Gather examples
  • Obstacles / Self-shading
  • Compare performances
  • PR / Array yield
  • Problems
  • Pyranometer is also shaded usually
  • -- gt PR cannot be used for comparison
  • -- gt Nearby reference site needed
  • Higher time resolution (hourly?) needed

3
Examples of self-shading
4
Examples
5
Examples
6
Examples
7
Higher time resolution needed
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