| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2020: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2019: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2018: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
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| Outline of Final Research Achievements |
This study aims to establish a technology for constructing a bulk power transmission system using a multi-terminal HVDC transmission system. Our group has developed a multi-circuit HVDC transmission system using diodes as a configuration for achieving expandability and selective fault clearing of HVDC grids. Then, we have developed a low-cost protection method using a power converter and a fast disconnector for the HVDC grid. We have built a scale-down HVDC system, and the proposed methods were verified by experiments. The technology developed in this research will be effective for promoting grid interconnection by a bulk power transmission system using HVDC grids.
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