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Create an alternate pump control scenario with different pump controls.
Tutorial resources
These downloadable resources will be used to complete this tutorial:
Multiple scenarios can be created to analyze different settings or to create a batch simulation of scenarios. For example, you can set up an alternate scenario that contains different pump controls from the original scenario, to see what affect those alternative controls have on the system and its performance. If a pump is out of service for whatever reason, it is important to know whether the system can still supply demands.
The EXISTING scenario was previously created to represent the existing system under normal demand conditions.
In the file tree, the copied scenario—EX_ALTPUMPING—becomes a child of the selected scenario—BASE, Base Network Scenario.
The Control Set dataset stores all initial status definitions and all simple controls, such as the pump controls, whereas the Logical Set stores all rule-based controls.
The rule in the Control Data box is updated to reflect the new level. Pump P-100 will now turn on when the water level in tank T5004 drops below 112 feet.
Note: there are two Update buttons. The one in the Control Data group box updates the rules and keeps the dialog box open, while the Update button below the separator next to the Cancel button updates and closes the dialog box.
Now, Pump P-100 will turn off when the water level in tank T5004 rises above 120 feet:
Now, this pump will turn on when the water level in tank T5004 drops below 118 feet, and it will turn off when the water level rises above 129 feet.
Both pumps now have new controls for this new scenario.