Calculation method and system for operation efficiency of series-parallel cascade pumping station water delivery system

Abstract

The invention discloses a calculation method and a system of serially or parallelly connected cascade pump station water supply system operation efficiency. The method comprises the steps of conducting the time-space disintegration of a serially or parallelly connected cascade pump station, in the spatial dimensions dividing the parallel system into several serial systems, separating the serial systems into pump station subsystems and water supply subsystems, in the time dimension, dividing a dispatch process into several balanced time periods, wherein the pump station water level, flow and other parameters are constant in each balance time period, calculating factors influencing the serially or parallelly connected cascade pump station water supply system, establishing a pump station subsystem operation efficiency expression formula, based on whether or not the inter-stage water force is counted, water flow loss and whether there are water divisions, establishing the operation efficiency expression formula of the water supply subsystem under three working conditions, then establishing the calculation model of the serially or parallelly connected cascade pump station water supply system operation efficiency under three different working conditions. The method solves the complexities and dynamics existent in the dispatch operation of the serially or parallelly connected cascade pump station, and the difficulty of quantitative calculation of the operation efficiency.

Description

technical field [0001] The invention relates to the field of operation evaluation of complex water diversion projects, in particular to a method and system for calculating the operation efficiency of a water delivery system of series-parallel cascade pumping stations. Background technique [0002] The water delivery project of series-parallel cascade pumping stations generally lifts water through pumping stations, and the pumping stations are connected in series or in parallel with rigid or semi-rigid channels, and the storage capacity is small. Auxiliary devices, etc.), control gates and channels and other equipment and facilities are complex rigidly connected series-parallel cascade pumping station water delivery system, hereinafter referred to as series-parallel cascade pumping station water delivery system. [0003] The composition of the system is relatively complex. The parallel cascade pumping station water delivery system includes multiple series lines, and each seri...

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Problems solved by technology

[0013] The purpose of the present invention is to solve the above problems, to provide a method and system for calculating the operating efficiency of the series-parallel cascade pumping station water delivery system, which solves the complexity and dynamics of the scheduling operation of the series-parallel cascade pumping station water delivery system, which is difficult to calculate The problem of quantitative calculation of its operating efficiency

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