0
RESEARCH PAPERS

Performance Evaluation of Photovoltaic Power-Generation System Equipped With a Cooling Device Utilizing Siphonage

[+] Author and Article Information
Kaoru Furushima

Department of Mechanical and Electrical Engineering,  Yatsushiro National College of Technology, 2627 Hirayamashin-machi, Yatsushiro, Kumamoto 866-8501, Japanfurusima@as.yatsushiro-nct.ac.jp

Yutaka Nawata

Department of Mechanical and Electrical Engineering,  Yatsushiro National College of Technology, 2627 Hirayamashin-machi, Yatsushiro, Kumamoto 866-8501, Japan

J. Sol. Energy Eng 128(2), 146-151 (May 26, 2005) (6 pages) doi:10.1115/1.2183805 History: Received April 27, 2004; Revised May 26, 2005

In order to construct an efficient photovoltaic (PV) power-generation system, we have developed a new system equipped with a cooling device utilizing siphonage. The major components of the system are an array of PV modules and cooling panels attached to the backside of the PV modules. The PV modules are cooled with cooling water flowing through a narrow gap in each cooling panel, and hot water discharged from the cooling panel can be reused. In order to save energy for introducing cooling water into the panel, siphonage from an upper level of a building to the ground level is utilized. From long-term monitoring tests in summer for the PV system, we confirmed that the cooling of the PV modules increases the electric power and that the reuse of hot water from the cooling panel contributes very much for saving energy consumed in a hot-water-supply system.

FIGURES IN THIS ARTICLE
<>
Copyright © 2006 by American Society of Mechanical Engineers
Your Session has timed out. Please sign back in to continue.

References

Figures

Grahic Jump Location
Figure 1

Photograph of the PV module and the cooling panel, (a) front surface of PV module, (b) backside of PV module, (c) inside of cooling panel, (d) backside of PV module after attaching cooling panel

Grahic Jump Location
Figure 2

Schematic of the PV cooling system: the side view of the PV array

Grahic Jump Location
Figure 3

Operation diagram of the cooling system

Grahic Jump Location
Figure 4

Experimental results of irradiance and temperatures of PV with and without cooling, and water at inlet and outlet

Grahic Jump Location
Figure 5

Daily PV energy production against daily irradiation

Grahic Jump Location
Figure 6

Daily consumption of cooling water against daily irradiation

Grahic Jump Location
Figure 7

Daily consumption of cooling water against cooling start temperature

Grahic Jump Location
Figure 8

Daily heat energy given to hot water from the PV array against daily irradiation

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In