Pump lower threshold (Water Overlay): Difference between revisions

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{{Overlay attribute
{{Overlay keys|<onlyinclude>
|attribute=[[Lower_threshold_(Water_Overlay)|LOWER_THRESHOLD]]
{{Overlay keys|type=row|group=Water Overlay
|key=LOWER_THRESHOLD|linkoverride=[[Pump lower threshold (Water Overlay)|LOWER_THRESHOLD]]
|unit={{mdatum}}
|unit={{mdatum}}
|description=The threshold of the lower entry of the [[Pump_(Water Overlay)|Pump]]. Water flows from the lower entry to the higher entry until the water level at the lower entry has reached the threshold. If not selected, the Lower Threshold will be ignored as a mechanic.
|description=The threshold of the lower end-point of the [[Pump_(Water Overlay)|pump]]. Water flows from the lower end-point to the higher end-point until the water level at the lower end-point has reached the threshold. If not selected, the Lower Threshold will be ignored as a mechanic.
|defaultvalue=None
|defaultvalue=None
|icon=[[File:waterwizard_icon_lower_threshold.png]]
|icon=waterwizard_icon_lower_threshold.png
}}</onlyinclude>}}
 
This attribute can be defined as [[time sequence (Water Overlay)|values over time]], using an array of values defining {{time sequence start}}. This allows users to more dynamically define the target water level this pump maintains.
 
{{article end
|notes=
* When the [[Pump_q_(Water_Overlay)|PUMP_Q]] of the pump is positive, the pump will not pump if the water level is lower than or equal to the lower threshold. If the PUMP_Q is negative, the pump will not pump if the water level is higher than or equal to the lower threshold.
* When using a dynamic LOWER_THRESHOLD, a maximum of {{array max|pairs}} can be defined.
|seealso=
* [[Inlet lower threshold (Water Overlay)|Inlet lower threshold]]
* [[Inlet upper threshold (Water Overlay)|Inlet upper threshold]]
* [[Pump upper threshold (Water Overlay)|Pump upper threshold]]
|troubles=
* [[Troubleshoot: Configured lower threshold for pump is not reached]]
}}
}}


{{WaterOverlay object nav}}
{{WaterOverlay hydraulic structure nav}}

Latest revision as of 09:53, 25 January 2024

Icon Key Unit Range Description Default value
Waterwizard icon lower threshold.png LOWER_THRESHOLD m + datum The threshold of the lower end-point of the pump. Water flows from the lower end-point to the higher end-point until the water level at the lower end-point has reached the threshold. If not selected, the Lower Threshold will be ignored as a mechanic. None

This attribute can be defined as values over time, using an array of values defining start-time. This allows users to more dynamically define the target water level this pump maintains.

Notes

  • When the PUMP_Q of the pump is positive, the pump will not pump if the water level is lower than or equal to the lower threshold. If the PUMP_Q is negative, the pump will not pump if the water level is higher than or equal to the lower threshold.
  • When using a dynamic LOWER_THRESHOLD, a maximum of 10.000 values (5.000 pairs) can be defined.

Troubleshooting

See also

Water Module
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Introduction button.png
Water Module
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Getting started button.png
Tutorials
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Overview button.png
Overview
Benchmarks button.png
Theory button.png
Theory
Benchmarks button.png
Benchmarks button.png
Benchmarks
Group
Inlet
Inlet q • Inlet area • Inlet capacity •  Lower threshold •  Upper threshold • Inlet underground
Pump
Pump q •  Lower threshold •  Upper threshold • Pump angle • Pump capacity • Pump area
Culvert
Culvert diameter • Culvert rectangular height • Culvert threshold • Culvert n
Weir
Weir height • Weir width • Weir angle • Weir coefficient • Weir target level
Sewer overflow
Sewer overflow • Sewer overflow speed
Drainage
Drainage q • Drainage datum • Drainage active • Drainage overflow threshold
Output
Object flow output • Object height output • Object datum output a • Object datum output b • Object width output
Related
Building attributes • Hydrological features •  Terrain attributes • Model attributes • Results • Simulation data
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