Abstract
Axial and transverse magnetic fields are widely used in many kinds of switches to decrease the arc erosion. In this paper, the influence of these two kinds of magnetic fields on the arc phase transition was studied particularly for AgSnO2 contacts breaking a 28V/25A circuit. The experiments were carried out under resistive and inductive loads in an atmospheric environment. The relationships between flux densities ranging from 0 to 200mT and the arc duration were obtained. It was found that the transverse magnetic field was more efficient in balancing the arc phases and decreasing the arc erosion. The results can be used to guide the design of arc extinguishment systems in DC high power relays.
| Original language | English |
|---|---|
| Pages (from-to) | 395-400 |
| Number of pages | 6 |
| Journal | IEICE Transactions on Electronics |
| Volume | E95-C |
| Issue number | 3 |
| DOIs | |
| State | Published - 2012 |
| Externally published | Yes |
Keywords
- Axial magnetic field
- Gaseous phase
- Metallic phase
- Transverse magnetic field
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