Observations of the Eroded Surfaces and the Motion of Arc Spots at Each Breaking Operation of Silver Electrical Contacts

• SEKIKAWA Junya

  Faculty of Engineering, Shizuoka University

• KITAJIMA Tetsuya

  Graduate School of Science and Technology, Shizuoka University

• ENDO Takayoshi

  Graduate School of Science and Technology, Shizuoka University

• KUBONO Takayoshi

  Faculty of Engineering, Shizuoka University

抄録

The motion of arc spots of breaking arc is investigated for Ag electrical contacts in DC 42 V/10 A resistive circuit using a high-speed camera. Also, the eroded contact surfaces are observed with a microscope after each breaking operation. As results, some kinds of different films and eroded regions are distinguished. Diameters of these regions are corresponding to the widths of the cathode and anode spot regions that are obtained by using the high-speed camera. It is found that the films and eroded regions on the electrical contacts are generated at different stages of the breaking arc.

収録刊行物

• IEICE transactions on electronics

  IEICE transactions on electronics 88 (8), 1590-1595, 2005-08-01

  一般社団法人電子情報通信学会

キーワード

• arc discharge
• electrical contact
• breaking arc
• high-speed camera
• microscope

詳細情報

• CRID: 1572543027347699968
• NII論文ID: 110003215313
• NII書誌ID: AA10826283
• ISSN: 09168524
• 本文言語コード: en
• データソース種別:
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