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Set up control settings for pumps with specific variations in conditions for an extended period simulation.
Tutorial resources
These downloadable resources will be used to complete this tutorial:
You can use a steady state analysis as the starting point for creating an extended period simulation. In this example, a 24-hour time period and boundary conditions, such as pump status and tank levels, were already configured for a steady state analysis. However, variations in these conditions were not specified for an extended period simulation. In this exercise, you will define controls for the pump operations in preparation for an EPS.
Notice the new row added to Control Data. This signifies that the pump will turn on when the water level at tank T5004 drops below 114 feet.
This second row signifies that the pump will turn off when the level at tank T5004 rises above 127 feet.
Note that this pump operates in tandem with pump P-120. Pump P-120 comes on first when the tank level drops to 114 feet. Pump P-100 will turn on only if pump P-120 cannot prevent the tank level from dropping an additional 5 feet to 109 feet.
Pump P-140 will now turn on when the water level in tank T5000 drops below 77 feet and turn off when it rises above 95 feet.
The control settings are now configured for three pumps with specific variations in conditions for an extended period simulation.