The reason for the 2 pumps in series is because the pump supplier wanted to provide the customer with 2 readily available smaller pumps vs. 1 large not so readily available pump. The first pump is sucking (lifting) water from a ditch, feeding into the second pump, and the second pump is pumping...
The primary reason that I am using VFD's is because there is only single phase service available in the area; so I am using the drives to create the 3 phase needed for the size of motors that are required. I could still set them up to run 60Hz all the time but i assumed there would be some...
Hydromech; The pumps will be providing water to an irrigation pipeline that has a number of different zones. The flow rate is always going to be changing but the pressure has to remain constant. I will set the suction pump to start before pump 2 to ensure that pump 2 is primed before it starts...
I am setting up Variable Speed Drives's that are running 2 centrifugal pumps that are plumbed series (Discharge of Pump 1 piped to suction of Pump 2). Both pumps are identical. Pump1 is sucking water out of an irrigation ditch and the discharge is plumbed directly into the suction of pump2. The...
