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Only a Drive experience since lies behind the clever design of VLT drives. Open the catalog to page 5 Desalination plants Desalination plants are used to provide clean drinking water from the sea. The process uses high pressure pumps, which must be carefully controlled. Groundwater pumps Submersible deep well pumps need fast start capability, precise control and protection against running dry.
Wastewater plants Fluctuations in fl Open the catalog to page 6 Irrigation systems In irrigation today great concerns are put on effi ciency and energy savings in the water management. Precise pressure control is required.
It even off ers a special pipe fi ll function that prevents water hammering and reduces leakage when empty pipes are fi lled. Distribution Pressure booster pumps with precise pressure control lead to signifi cant reductions in water leakage and energy consumption.
Costly and unsightly water towers can be elimi na ted. Built-in features make Open the catalog to page 7 Auto tuning of the PI controllers With auto tuning of the PI con - trol lers, the drive monitors how the system reacts on corrections made by the drive and learns from it, so that precise and stable operation is achie ved quickly.
Pipe Fill Mode Enables controlled closed loop fi lling of pipes. Prevents water hammering, bursting water pipes or blowing off sprinkler heads.
The new pipe fill mode is usable in both vertical and horizontal pipe systems. Gain factors for PI are conti nuously changed to compensate for changing characteristics of the loads.
This applies to each PI controller in Open the catalog to page 8 Sleep Mode Sleep Mode keeps pump wear and power consumption to an absolute minimum. In low fl ow situations, the pump will boost the system pressure and then stop. Motor Alternation This built-in logic controls The Psyttalia Wastewater Treatment Plant treats daily It is one of three bundles of a retrofi t project to improve
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