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Paper Abstract and Keywords
Presentation 2019-05-17 14:30
Experimental Verifications of Electrical Diagnosis Technique Using Differential Power Processing Converters for Photovoltaic Panels
Kazuma Honda, Yota Saito, Masatoshi Uno (Ibaraki Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) Partial shading on a photovoltaic (PV) panel is well known to trigger not only significantly reduced power generation but also multiple maximum power points (MPPs). Various kinds of differential power processing (DPP) converters have been proposed and developed to address partial shading issues. Meanwhile, power generation of PV panels substantially decreases as panels deteriorate due to damage, and therefore, PV panels are desirably diagnosed for early detection of degradation malfunctions. In recent years, autonomous electrical diagnosis techniques based on ac impedance measurement are considered as a promising solution. Conventional electrical diagnosis techniques, however, require expensive instruments. This paper proposes a novel DPP converter as well as an electrical diagnosis technique using the DPP converter. The operation analysis and experimental verifications of the proposed DPP converter were performed. The results demonstrated not only the improved power yield from partially shaded PV panels but also the electrical diagnosis capability of the proposed DPP converter.
Keyword (in Japanese) (See Japanese page) 
(in English) Photovoltaic Panel / Partial Shading / Differential Power Processing Converter / AC impedance measurement / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 32, EE2019-15, pp. 95-100, May 2019.
Paper # EE2019-15 
Date of Issue 2019-05-09 (EE) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee EE IEE-HCA  
Conference Date 2019-05-16 - 2019-05-17 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Switching power supply, New industrial and home appliance for power, others 
Paper Information
Registration To EE 
Conference Code 2019-05-EE-HCA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Experimental Verifications of Electrical Diagnosis Technique Using Differential Power Processing Converters for Photovoltaic Panels 
Sub Title (in English)  
Keyword(1) Photovoltaic Panel  
Keyword(2) Partial Shading  
Keyword(3) Differential Power Processing Converter  
Keyword(4) AC impedance measurement  
1st Author's Name Kazuma Honda  
1st Author's Affiliation Ibaraki University (Ibaraki Univ.)
2nd Author's Name Yota Saito  
2nd Author's Affiliation Ibaraki University (Ibaraki Univ.)
3rd Author's Name Masatoshi Uno  
3rd Author's Affiliation Ibaraki University (Ibaraki Univ.)
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Date Time 2019-05-17 14:30:00 
Presentation Time 30 
Registration for EE 
Paper # IEICE-EE2019-15 
Volume (vol) IEICE-119 
Number (no) no.32 
Page pp.95-100 
#Pages IEICE-6 
Date of Issue IEICE-EE-2019-05-09 

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