Abstract
More than 80 percent of all electrical energy customers are electric motors. Therefore one of theprospects of resource-effective technologies in power industry is control of rotating electric equipmentcondition. Winding defects are one of the main causes of electric motor failures. Reliable control of windingcondition is an urgent task of modern electrical engineering technology. The present article is devotedto the research of pulsed method application of transformer winding control for electric motor windingcondition control. The procedure of winding condition control technology is described. The proposedmethod is based on the known pulsed method. The essential difference between the two methods is thatonly one probing impulse is used which is a probing impulse and response signal at once. The resultsof diagnostic procedure research at different winding defects are given. It is established that the place ofwinding damage corresponds to characteristic impulse changes. The defect of definite types causes specificchanges of the probing impulse form. Therefore, different winding defects could be found with highaccuracy along winding.
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