태양광 발전시스템의 신뢰성 향상을 위한 태양전지의 PID 저감 기술의 타당성 검토
In recent years, there has been developed anti-PID technologies(Potential Induced Degradation) in various levels from solar cell to module and to system to enhance of the long life reliability of photovoltaics(PV) system. Such technologies must economically ensure profits for both manufacturers of solar cells and investors of PV system simultaneously for PV industry development. This paper describes a comparison between and selection from two anti-PID technologies in the solar cell level, ES(modification of emitter structure) and ARC(modification of anti-reflective coating) based on the economic features of anti-PID solar cell production system with 60MW capacity for a solar cell maker and a 1MW PV power plant installed with PV modules using anti-PID solar cells. From the comparison between ES and ARC, it is shown that ARC anti-PID technology can make more profit for both a solar cell maker and a PV power plant investor.