TFS · Hydraulic & Fluid Applications · Problem 43
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TFS · Hydraulic & Fluid Applications · Problem 43
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Topic: Pump system — A 95% efficient 3 phase motor draws 50 amps at 480 volts with a power factor of 0.8.
Approach: So let's start with WHP the water horsepower.
Formula reference: formula so I'll write all the units in as we go.
Key values: 150 psi, 150 PSI, 300gpm of water with a differential pressure of 150 psi
Reference: search the reference handbook for power for different motor phases
✅ Answer: B
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