Development of copper‐tungsten clad‐contacts for 400 A‐arc‐less switching of hybrid dc switch

• Yuta Yamada

  School of Engineering Tokyo Institute of Technology Meguro‐ku Tokyo Japan

• Mo Chen

  School of Engineering Tokyo Institute of Technology Meguro‐ku Tokyo Japan

• Koichi Yasuoka

  School of Engineering Tokyo Institute of Technology Meguro‐ku Tokyo Japan

抄録

A hybrid dc switch has been studied extensively due to the increasing demand for photovoltaic plants or dc power distribution systems. The advantages of the hybrid dc switch are low contact resistance and high‐speed interruption. We have demonstrated an arc‐less commutation of current from copper‐based tungsten contacts to a SiC‐MOSFET. The arc‐less commutation prevents the contact erosion that is one of the drawbacks of conventional dc mechanical switches. This report shows the experiment results on the threshold current of the arc‐less commutation and the contact resistance with different material contacts up to 400A in a hybrid dc switch.

収録刊行物

• Electrical Engineering in Japan

  Electrical Engineering in Japan 210 (1-4), 3-10, 2020-02-20

  Wiley

キーワード

• Electrical and Electronic Engineering
• Energy Engineering and Power Technology

詳細情報

• CRID: 1361415748532597632
• NII論文ID: 210000174780
• DOI: 10.1002/eej.23249
• ISSN: 15206416
• ISSN: 04247760
• Web Site: https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1002%2Feej.23249
• Web Site: https://onlinelibrary.wiley.com/doi/pdf/10.1002/eej.23249
• Web Site: https://onlinelibrary.wiley.com/doi/full-xml/10.1002/eej.23249
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