Abstract
The nature of dynamic error change of working out the pressure set level in the steady-state modes of two parallel connected pumping units' cascade scheme in which the regulated electric drive provides stabilization of pressure and the unregulated electric drive operates in nominal mode and operates in the most loaded periods of the cycle is investigated. The results and analysis of pressure stabilization accuracy research in the proposed electromechanical water supply pump system are presented. This paper deals with the investigation accuracy of the stabilization the working out the given level of the hydraulic network pressure with discrete and smooth variations of the hydraulic resistance for two-aggregate cascade water supply system.
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