Abstract
Catastrophe theory is applied to research on electric contacts. The cusp model of direction reverse of material transfer is constructed and the mechanism of direction reverse is analyzed. Two kinds of direction reverse, continuous and discontinuous direction reverse, are presented. The butterfly model of arc transition from a metallic to a gaseous phase is discussed. The effects of circuit voltage, current, load inductance, and gap length on the arc transition are discussed. The characteristics of arc transition from metallic to a gaseous phase are obtained. A novel state of an arc, i.e. a compromise phase, is presented. Therefore, it is possible to control and predict the arc transition from a metallic to a gaseous phase.
| Original language | English |
|---|---|
| Pages (from-to) | 49-52 |
| Number of pages | 4 |
| Journal | Electrical Contacts, Proceedings of the Annual Holm Conference on Electrical Contacts |
| State | Published - Aug 1990 |
| Event | Proceedings of the 36th IEEE Holm Conference on Electrical Contacts and the 15th International Conference on Electrical Contacts - Montreal, Que, Can Duration: 20 Aug 1990 → 24 Aug 1990 |
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