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ELECTRIC CALCULATIONS

AC CURRENT AND POWER CALCULATIONS

       SELECT

  Enter Power or Current:  

Enter Volts per phase:   

   Power Factor(Optional):  Values 0-1

 
     

Result:
power circ
NOTE: Negligible circuit (cable) impedance is assumed.


IMPEDANCE CALCULATION

VOLTAGE (V):     Volts


FREQUENCY (F):  Hz
RESISTANCE (R):   Ω *


INDUCTANCE (L): mH  *


CAPACITANCE (C):   ยตF  *
  
 

                                  

RESULTS:
 * Note: For calculation purpose, zero (0) value for these components, are interpreted to mean "not in circuit".





POWER FACTOR CALCULATION

Generally, it is desired to have a power factor as close as possible to unity(1). At this value the current will be the lowest, and the Volt-amperes demand will be the lowest.

The Effects of Power Factor On Volt Ampere(s) for one phase.

Enter Load: Watts

Enter Desired Volt-Amperes:  Volt Amps must be => than Load entered.

     Result:

 Click "Demo" below to see Graphical Demonstration Of Volt Amperes variation with power factor:

DEMO