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首页> 外文期刊>Journal of Hydroinformatics >A robust approach based on time variable trigger levels for pump control
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A robust approach based on time variable trigger levels for pump control

机译：基于时间可变触发级别的可靠方法，用于泵控制

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An approach for the control of a pumping plant feeding a tank at the inlet of a water distribution system is presented. The approach is aimed at minimizing the energy costs by maximizing pumping during off-peak electricity tariff periods. It is based on trigger levels which are variable during the day according to a prefixed pattern in order to ensure that the water level in the elevated tank is at its minimum and maximum values at the end of the peak and off-peak tariff periods, respectively. The pattern of the trigger levels is defined by solving a multi-objective problem aimed at minimizing the energy costs and the number of pump switches. The approach was applied to a couple of real cases with a single tank. The approach was compared with other methodologies typically used for pump control, i.e. fixed trigger levels (FTLs) and pump scheduling (PS). The results show for the two particular cases that the proposed approach achieves energy costs that are lower than those obtainable by using FTLs, and comparable with those obtainable by using PS. This is based on achieving a similar number of pump switches.
机译：提出了一种用于控制在水分配系统的入口处给水箱供水的抽水设备的方法。该方法旨在通过在非高峰电价时段最大化抽水来最大程度地降低能源成本。它基于触发水平，该触发水平在一天中会根据前缀模式变化，以确保高架水箱中的水位分别在高峰和非高峰时段结束时处于其最小值和最大值。 。触发电平的模式是通过解决一个多目标问题来定义的，该问题旨在最大程度地降低能源成本和泵开关的数量。该方法已应用于带有单个储罐的几个实际案例。将该方法与通常用于泵控制的其他方法进行了比较，即固定触发电平（FTL）和泵调度（PS）。结果表明，在两种特定情况下，所提出的方法所获得的能源成本低于使用FTL可获得的能源成本，并且与使用PS可获得的能源成本相当。这是基于获得相似数量的泵开关。

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