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A study on the effect that the green roof has on the performance of PV module

옥상녹화가 PV모듈 발전량에 미치는 영향 고찰

  • 유동철 (세명대학교 대학원 건설공학과) ;
  • 이응직 (세명대학교 건축공학과)
  • Received : 2012.03.04
  • Accepted : 2012.04.22
  • Published : 2012.04.30

Abstract

This study aims to examine the effect of the combined application of green roof and PV system on the PV efficiency by measuring the temperature and performance of PV module in order to reduce the temperature on the roof using roof planting system and determine the potential of efficient increase in solar-light power generation. In the experimental methodology, either monocrystalline or polycrystalline PV module was installed in green roof or non-green roof, and then the surface temperature of PV was measured by TR-71U thermometer and again the performance, module body temperature, and conversion efficiency were measured by MP-160, TC selector MI-540, and PV selector MI-520, respectively. As a result, the average body temperature of monocrystalline module was lower by $6.5^{\circ}C$ in green roof than in non-green roof; that of polycrystalline module was lower by $8.8^{\circ}C$ in green roof than in non-green roof. In the difference of generation, the electricity generation of monocrystalline module in green roof was 46.13W, but that of polycrystalline module was 68.82 W, which indicated that the latter produced 22.69W more than the former.

Keywords

References

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  2. A Study on Computer Simulation to Investigate Correlations between Temperature Controlling Effect of Green Roof System and the Photovoltaic Power Generation Efficiency vol.33, pp.4, 2013, https://doi.org/10.7836/kses.2013.33.4.070