The paper is focused on evaluation of operational safety of chosen electrical set elements in specific conditions of agricultural biogas plants with using of infrared thermography method. The goal of the paper is thermography monitoring of the surface temperature of electrical set elements with detection of high warmed parts. Next goal is evaluation measured temperatures with criteria and requirements of standard ISO 18434-1. In terms of measurement was measured surface temperature of every element and compared with reference ambient temperature. Our study claimed suitability of IRT method for monitoring of electrical set elements. Any of measured objects has high surface temperature. This is significant risk factor for fire and related losses.
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