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2016 Vol.36, Issue 5 Preview Page
Estimation of Output Power for PV Module with Damaged Bypass Diode using MATLAB

Matlab을 이용한 손상된 바이패스 다이오드가 포함된 PV 모듈의 출력 추정

Woogyun Shin1,2
,
Seokhwan Go2
,
Youngchul Ju2
,
Hyosik Chang1*
,
Gihwan Kang2**
신 우균1,2
,
고 석환2
,
주 영철2
,
장 효식1*
,
강 기환2**
1Graduate School of Energy Science & Technology Chungnam National University
2Korea Institute of Energy Research Solar Energy Department.
1충남대학교 에너지과학기술대학원
2한국에너지기술연구원 태양광연구실
*교신저자. *Corresponding Author. 
** 교신저자. ** Corresponding Author. 
October 2016. pp. 63-71
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Abstract

Installed PV module in field is affected by shading caused by various field environmental factors. Bypass diodes are installed in PV module for preventing a power loss and degradation of PV module by shading. But, Bypass diode is easily damaged by surge voltage and has often initial a defect. This paper propose the electric characteristic variation and the power prediction of PV module with damaged bypass diode. Firstly, the resistance for normal bypass diode and damaged bypass diode of resistance was measured by changing the current. When the current increases, the resistance of normal bypass diode is almost constant but the resistance of damaged bypass diode increases. Next, To estimate power of PV module by damaged bypass diode, the equation for the current is derived using solar cell equivalent circuit. Finally, the derived equation was simulated by using MatLab tools, was verified by comparing experimental data.

Keywords
PV module
Damaged bypass diode
I-V curve
P-V curve
References
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Information
  • Publisher :Korean Solar Energy Society
  • Publisher(Ko) :한국태양에너지학회
  • Journal Title :Journal of the Korean Solar Energy Society
  • Journal Title(Ko) :한국태양에너지학회 논문집
  • Volume : 36
  • No :5
  • Pages :63-71
  • Received Date : 2016-08-25
  • Accepted Date : 2016-10-17
  • DOI :https://doi.org/10.7836/kses.2016.36.5.063
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