Pump Calcs
Simplified Pump Calculations for Sophisticated Results
Menu
Calculators
Conversions
Tables
Dictionary
Log in
Register
Electric Calcs
Calculators
>
Basic
Centrifugal Pumps
Brake horsepower
Pump Efficiency
Specific speed (US)
Suction specific speed (US)
Electrical Motors & Systems
HP - AC Single Phase
HP - AC Three Phase
HP - AC Two Phase
HP - Direct Current
KW - AC Single Phase
KW - AC Three Phase
KW - AC Two Phase
KW - Direct Current
Mechanical Seals and Gaskets
Throat Bushing Sizing
Miscellaneous
Belt-Drive Pulleys
MTBR
PD Pumps
Power pump hp
Single acting displacement
Piping Design
Piping Fitting and Valve Losses
Pressure, Head, and Flow
Converting fluid velocity to velocity head
Converting pressure to head
Converting velocity to flow
Pump Design
Peripheral velocity of an impeller
Shaft shear stress
Torque with hp and speed
Vibration
Acceleration, displacement
Velocity (in/sec) pk to g's
Velocity (in/sec) pk to mils pk
>
Electrical Motors & Systems
>
HP - AC Three Phase
Horsepower - AC Three Phase Power Supply System
Toggle
Equation
Overview
Assumptions
Short
Long
This calculator can be used to analyze the following 3 phase, AC circuit variables: HP, E, EFF., PF or I. If you enter any four of these variables as inputs, the calculator will determine the fifth variable.
Power supply system is AC three phase
Input 4 of 5 variables to solve for the unknown.
Help
Symbol
Variable
Input
Units
HP
Horsepower
horsepower
watts
kilowatts
foot-pounds/minute
foot-pounds/second
btu/second
btu/minute
btu/hour
E
Voltage
volts
I
Amperes
amperes
kiloamperes
milliamperes
Eff
Efficiency
efficiency
PF
Power Factor
power factor
Reset
See also
Calculations
Kilowatt - AC Three Phase Power Supply System
Kilowatt - AC Two Phase Power Supply
Horsepower - AC Two Phase Power Supply
Tables
Full-load current for single-phase transformer voltage
Full-load current, two-phase alternating-current motors
Full-load current for three-phase alternating current motors
Definitions
Three Phase
Three-Phase
Phase Rotation
Top