Effect of Axial and Transverse Magnetic Fields on the Arc Duration and Material Transfer

被引：0

作者：

Zhai, Guofu ^{[1
]}

Cui, Xinglei ^{[1
]}

Zhou, Xue ^{[1
]}

机构：

[1] Harbin Inst Technol, Sch Elect Engn & Automat, Harbin 150006, Peoples R China

来源：

IEICE TRANSACTIONS ON ELECTRONICS | 2012年 / E95C卷 / 03期

关键词：

axial magnetic field; transverse magnetic field; metallic phase; gaseous phase; CONTACTS; EROSION;

D O I：

10.1587/transele.E95.C.395

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

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 28 V/25 A circuit. The experiments were carried out under resistive and inductive loads in an atmospheric environment. The relationships between flux densities ranging from 0 to 200 mT 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.

引用

页码：395 / 400

页数：6

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