T. Korenkova, V. Kovalchuk, A. Al-Mashakbeh, D. Rodkin
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引用次数: 0
Abstract
A method for diagnosing unsteady modes of electrohydraulic complex electromechanical systems based on monitoring of energy processes as part of the variable-frequency electric drive of the pump has been developed. It is based on the analysis of instantaneous power derivatives and its amplitude-frequency characteristics at all elements of the energy channel. Diagnostic signs of the identification of emergency modes have been determined and a set of organizational and technical measures has been formulated to prevent the development of an unsteady mode by using hydrodynamic and cavitation protection devices, active energy absorbers and devices for reducing dynamic loads in pipeline networks.
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