Article
Thermographic Assessment of the Quality of Electro-Mechanical Relays in Railroad Automation
The reliability of the series can be ensured at higher electric current values during the commutation process by employing thermal imaging to assess the quality of an electro-mechanical relay during manufacture. Thermal photography is used during exploitation to help identify which contacts require replacement and to offer information about the extent of contact wear. The length of gas discharge is measured using thermal imaging, and this length serves as a gauge for how quickly the contacts are wearing out. A technique for evaluating the quality of electro-mechanical relays, which are specifically designed for switching strong electrical circuits used in railway automation, is provided in the article.
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