Abstract
The paper presents a methodology for determining the dynamic characteristics fiberglass reinforced epoxy resin rods recovered from used composite electrical insulators. These are important for studying the dynamic stability and mechanical resistance under the action of external disturbing factors. There is presented the required measuring equipment and the rod mounting system for measurement. Experimental modal analysis (EMA) is used; the modal shapes are geometric representations of the dominant structure movements at proper frequencies. Identifying the proper oscillations is important for the given structure, resonance displacements indicating material wear and fissures in the framework. Research has identified the frequency response functions (FRF) and from their analysis it was determined the resonance frequency based on which can be determined the modal parameters of the analyzed rod. Keywords—composite electrical insulator, epoxy resin rod, modal analysis, proper frequencies, resonance frequency, modal parameters
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Schedule a callMore From: ANNALS OF THE ORADEA UNIVERSITY. Fascicle of Management and Technological Engineering.
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