A facility for electrical contact resistance measurement

被引：8
|
作者：
Maheshappa, HD [1 ]
Nagaraju, J [1 ]
KrishnaMurthy, MV [1 ]
机构：
[1] Indian Inst Sci, Dept Instrumentat, Bangalore 560012, Karnataka, India
来源：
REVIEW OF SCIENTIFIC INSTRUMENTS | 1998年 / 69卷 / 03期
关键词：
D O I：
10.1063/1.1148810
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
A test facility was developed for directly measuring the electrical contact resistance of switch gear contacts of real sizes under different environmental conditions and contact pressures. It can measure contact resistance to an order of one-tenth of a mu Omega. It sources a constant current in the order of mA and hence avoids Initial arcing across contacts, Experiments were conducted on brass-brass samples with different contact pressures and the results are in agreement with published theoretical calculations. (C) 1998 American Institute of Physics.
引用
收藏
页码：1534 / 1536
页数：3
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