Power Factor Calculator with Improvement Capacitor Value

Here, in our online power factor calculator you can calculate the power factor and get the value of the capacitor to improve the power factor at your desired value.

Power Factor Calculator

How to Use This Calculator?

By following these steps, you can utilize the above Power Factor Calculator to determine the power factor and related values based on the provided inputs.

Select the phase by choosing either "Single phase" or "Three phase" from the drop-down menu. This depends on the electrical system you are working with.
Provide the real power in kilowatts (kW). Enter the value in the input box next to "Provide Real Power in KiloWatts."
Provide the current in amperes (A). Enter the value in the input box next to "Provide Current in Amps."
If you selected "Three phase" in step 1, you will see the "Select Voltage Type" option. Choose either "Line to line voltage" or "Line to neutral voltage" from the drop-down menu.
Provide the voltage in volts (V). Enter the value in the input box next to "Provide Voltage in Volts."
Provide the frequency in hertz (Hz). Enter the value in the input box next to "Provide Frequency in Hertz."
Specify your desired power factor by entering a value between 0 and 1 in the input box next to "Provide Your Desired Power Factor." The default value is 0.95.
Click the "Calculate" button to perform the power factor calculation. The calculator will display the current power factor, apparent power in kilovolt-amperes (kVA), reactive power in kilovolt-amperes reactive (kVAR), and the correction capacitor value in microfarads (µF).
To reset the calculator and start over again, click the "Reset" button.

System Power Factor Calculator with Improvement Capacitor Value

Formulas

Here are the formulas, the above calculator used to calculate the required values,

Apparent Power (kVA):

kVA = Volt × Amp / 1000

This formula calculates the apparent power in kilovolt-amperes (kVA) by multiplying the voltage (Volt) by the current (Amp) and dividing the result by 1000.

Power Factor (pf):

pf = kW / kVA

This formula calculates the power factor (pf) by dividing the real power (kW) by the apparent power (kVA).

Reactive Power (kVAR):

kVAR = √(kVA^2 - kW^2)

This formula calculates the reactive power in kilovolt-amperes reactive (kVAR) by taking the square root of the difference between the square of the apparent power (kVA^2) and the square of the real power (kW^2).

Correction Capacitor Value (c):

c = (1000 × kVAR) / (2 × π × Hz × Volt^2)

This formula calculates the correction capacitor value (c) in microfarads (µF) by multiplying 1000 by the difference in reactive power (kVAR) and then dividing the result by 2 times π (3.14159), the frequency (Hz), and the square of the voltage (Volt^2).

Single Phase Formulas:

kVA = Voltage * Current / 1000

Three-Phase Formulas:

For Three-Phase Line-to-Line Voltage:

kVA = √3 * Line-to-Line Voltage * Current / 1000

For Three Phase Line-to-Neutral Voltage:

kVA = 3 * Line-to-Neutral Voltage * Current / 1000

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Power Factor Calculator with Improvement Capacitor Value