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It is demonstrated that the functioning of electrohydraulic complexes in unsteady modes of operation is accompanied by the deviation of the main parameters of the pumping and pipeline equipment from the rated values. The expediency of using the energy method based on the energy balance equations during the identification of the parameters of the electrohydraulic complex is substantiated. The systems...
A possibility of application of power harmonic analysis method to an electrohydraulic complex with nonlinear processes in the pipeline system is demonstrated. It is determined that nonlinear processes in a hydraulic network, caused by cavitation self-oscillations, result in periodical stationary oscillations of power, are accompanied by increase of its variable component. To assess the processes of...
An equivalent circuit of an electrohydraulic complex taking into account periodic nonlinear processes in a pipeline network is proposed. It is shown that the use of the method of harmonic analysis of hydraulic power makes it possible to single out variable components generated by cavitation phenomena, to perform frequency analysis of power processes in the hydraulic system. A power model of an electrohydraulic...
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