A new distributed MPPT technique using buck-only MICs linked with controlled string current
| Project/Area Number |
15K05957
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Power engineering/Power conversion/Electric machinery
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| Research Institution | The University of Tokyo |
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Principal Investigator |
SAI TORU 東京大学, 生産技術研究所, 特任助教 (70633337)
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| Co-Investigator(Renkei-kenkyūsha) |
MATSUI Mikihiko 東京工芸大学, 教授 (30143689)
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| Research Collaborator |
Sun Xiang-Dong 西安理工大学, パワエレセンター長
Yu Byung-Gyu 公州国立大学, 准教授
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| Project Period (FY) |
2015-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥5,070,000 (Direct Cost: ¥3,900,000、Indirect Cost: ¥1,170,000)
Fiscal Year 2017: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2016: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2015: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
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| Keywords | 太陽光発電 / PV / 部分影 / MPPT / モジュール集積回路 / MIC / SiC / 電流形インバータ |
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| Outline of Final Research Achievements |
The operation of a distributed maximum power point tracking (DMPPT) photovoltaic (PV) system with a current source inverter (CSI) is confirmed. We proposed a current-linked distributed PV system instead of a voltage-linked one. All the previous studies of DMPPT PV systems use a voltage source inverter (VSI). The drawback of the power conditioning system (PCS) with a VSI is that it has to carry an electrolytic capacitor, which determines the life span of the PCS. By using a CSI, the reliability of the PCS is greatly improved; moreover, the module integrated converter (MIC) can consist of a buck-only converter. In this research, we implemented two cascaded MICs with a CSI and confirmed the operation of the entire current-linked distributed PV system. The experimental results agree strongly with the theory and it proves the validity of the proposed system.
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Report
(4 results)
Research Products
(6 results)
