RESEARCH PAPER
Performance degradation comparisons and failure mechanism of silver metal oxide contact materials in relays application by simulation
1
School of Electronics and Information Jiangsu University of Science and Technology No. 02 Mengxi Street, Jingkou District Zhenjiang, Jiangsu, 212003, P.R. China School of Electronic and Electrical Engineering University of Leeds
2
School of Electronics and Information Jiangsu University of Science and Technology No. 02 Mengxi Street, Jingkou District Zhenjiang, Jiangsu, 212003, P.R.China
Publication date: 2020-03-31
Eksploatacja i Niezawodność – Maintenance and Reliability 2020;22(1):86-93
KEYWORDS
electrical contact performancecontact materialdegradation parametercontact resistancesfailure mechanism
ABSTRACT
To evaluate the electrical contact behaviors of silver metal oxide contact materials in relays application more accurately, and to
guide the selection of contact materials, the test device and testing method for simulating electrical contact performance in relays
application were analyzed in this paper. The electrical contact simulation test system was designed and developed, which can
easily simulate contact materials. The contact resistance, static force and rebound energy degradation parameters of AgSnO2,
AgCdO and AgNi contact materials under the same load conditions were obtained through experimental research, the contact
resistance and arcing energy degradation parameters of AgSnO2 under different opening distances were acquired at the same
time. The result indicated that accurate data are received by the electrical contact simulation testing method. Finally, based on the
test data, the degradation performance of three selected test materials was tested, and the failure mechanism of AgSnO2 materials
was analyzed.
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| eISSN: | 2956-3860 |
| ISSN: | 1507-2711 |
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