Raj:
Thanks for the answer. But how do I construct a "true" efficiency curve? I can measure hydraulic horsepower, and can get amp readings. How do you measure the actual motor horsepower?
Mary
I'm working on recommendations for an upgrade to controls for an unusual water distribution system (but not because of the pumps).
Part of the system includes six vertical turbine pumps, nominally 1000 gpm w/ 100 hp motors. There are two different types having two different book curves. The...