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Paper Abstract and Keywords
Presentation 2019-05-17 15:00
Integrated Converter Combining PWM Step-Up Converter and Differential Power Processing Converter to Enhance Energy Yield of Photovoltaic Panels under Partial Shading
Yusuke Sasaki, Toru Nakane, Masatoshi Uno (Ibaraki Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) Partial shading on a photovoltaic (PV) panel consisting of multiple substrings is known to trigger significant reduction in power yield and occurrence of multiple maximum power points (MPPs). Although the adoption of a differential power processing (DPP) converter can eliminate the negative influences of partial shading by virtually equalizing electrical characteristics of all substrings, an additional DPP converter is separately required in addition to a step-up converter for panel control, resulting in increased circuit volume and system complexity. This paper proposes an integrated converter that realizes system simplification and circuit miniaturization by integrating a step-up converter and a DPP converter. The experimental equalization tests for four substrings connected in series were performed emulating partial shading conditions. With the proposed converter, a local MPP vanished and the power yield increased by 21.7% while boosting the panel voltage, demonstrating the efficacy of the proposed integrated converter.
Keyword (in Japanese) (See Japanese page) 
(in English) Partial Shading / Differential Power Processing Converter / PWM Step-Up Converter / Integrated Converter / / / /  
Reference Info. IEICE Tech. Rep., vol. 119, no. 32, EE2019-16, pp. 101-106, May 2019.
Paper # EE2019-16 
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) Integrated Converter Combining PWM Step-Up Converter and Differential Power Processing Converter to Enhance Energy Yield of Photovoltaic Panels under Partial Shading 
Sub Title (in English)  
Keyword(1) Partial Shading  
Keyword(2) Differential Power Processing Converter  
Keyword(3) PWM Step-Up Converter  
Keyword(4) Integrated Converter  
1st Author's Name Yusuke Sasaki  
1st Author's Affiliation Ibaraki University (Ibaraki Univ.)
2nd Author's Name Toru Nakane  
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 15:00:00 
Presentation Time 30 
Registration for EE 
Paper # IEICE-EE2019-16 
Volume (vol) IEICE-119 
Number (no) no.32 
Page pp.101-106 
#Pages IEICE-6 
Date of Issue IEICE-EE-2019-05-09 

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