FIELD: engines and pumps.
SUBSTANCE: invention relates to multi-pump plant and method of its operation. Connection and / or disconnection of pumps is performed depending on switching point. Switching thresholds are set around said switching point. Frequency of switching processes is determined for a certain period of time. Change of switching thresholds is made depending on frequency of switching processes.
EFFECT: ensuring maximum service life of pumps, reduced noise emission.
10 cl, 3 dwg
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