CALCULATION OF POWER FACTOR
The following formula calculates power factor (PF) based on KW and KVA or KW and KVAr. Input Load KW and Load KVA into Calculator-1, or Load KW and Load KVAr into Calculator-2, below to calculate Load Power Factor, Power Factor Angle, Load KVAr and Load KVA. After inputting the first two variables, the required kVAr (Capacitors added) to correct the load to a desired power factor can be calculated along with a Compensated KVA and total Reduction in KVA. Note that KW will remain constant when correcting power factor by adding capacitors. The KVA Reduction is what would be expected when adding power factor correction capacitors.
Calculator-1
Known variables: Capacitor Frequency, Capacitor Voltage and Capacitance
Calculator-2
Known variables: Capacitor Frequency, Capacitor Voltage, and Reactance
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