학술논문

Analysis of energy production of Spectrolab multijunction solar cells in field conditions
Document Type
Conference
Source
2012 38th IEEE Photovoltaic Specialists Conference Photovoltaic Specialists Conference (PVSC), 2012 38th IEEE. :002065-002070 Jun, 2012
Subject
Photonics and Electrooptics
Power, Energy and Industry Applications
Components, Circuits, Devices and Systems
Engineered Materials, Dielectrics and Plasmas
Temperature dependence
Atmospheric modeling
Production
Wind speed
Optics
Temperature
Limiting
energy harvesting
photovoltaic cells
photovoltaic systems
Language
ISSN
0160-8371
Abstract
Multijunction solar cells used in concentrating photovoltaic (CPV) systems deliver solar power at low cost in high DNI climates where the solar resource is greatest. Because the cells subdivide the solar spectrum and are used with optical systems of varying spectral response, careful evaluation and optimization of cell performance under real field conditions is important. This paper presents modeled performance of the latest generation Spectrolab cells in systems with PMMA and silicone-on-glass optics, using a simple cell temperature model, TMY3 data, and the SMARTS spectral irradiance model. Results show that the improved efficiency of C4P5 cells compared to the lattice-matched C3P5 cells is more pronounced in systems with PMMA optics.