| 摘要 |
PROBLEM TO BE SOLVED: To provide an electrode of a vacuum circuit breaker which suppresses damage on a contact caused by concentration of heat generated in a contact center part, and rapidly extinguishes an arc by dispersing the arc. SOLUTION: The electrode 200 of the vacuum circuit breaker includes a contact electrode plate 210 for providing a contact part, an internal coil electrode 220 which is formed of one open loop electric conductor and in which a current flows in a first rotation direction, an external coil electrode 230 which is formed of one open loop electric conductor arranged concentrically with the internal coil electrode 220 on an outside of the internal coil electrode 220 in a radius direction, in which a current flows in parallel to the current flowing in the internal coil electrode 220 and in a second rotation direction opposite to the first rotation direction, a first conductive pin 240 formed of conductive material and providing a conduction path of a current by connecting the contact electrode plate 210 and internal coil electrode 220, and a second conductive pin 250 formed of conductive material and providing a conduction path of a current by connecting the contact electrode plate 210 and external coil electrode 230. COPYRIGHT: (C)2010,JPO&INPIT
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