Chopping Frequency Calculator

✖A Duty Cycle or power cycle is the fraction of one period in which a signal or system is active.ⓘ Duty Cycle [d]			+10% -10%
✖Chopper On Time refers to the time period for which chopper was in ON state.ⓘ Chopper On Time [T_on]			+10% -10%

✖Chopping frequency refers to the rate at which a signal is turned on and off, or modulated, in a switching circuit. A higher chopping frequency can improve accuracy and reduce noise.ⓘ Chopping Frequency [f_c]

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Formula

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Chopping Frequency

Formula

`"f"_{"c"} = "d"/"T"_{"on"}`

Example

`"1.175556Hz"="0.529"/"0.45s"`

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Chopping Frequency Solution

STEP 0: Pre-Calculation Summary

Formula Used

Chopping Frequency = Duty Cycle/Chopper On Time
f_c = d/T_on
This formula uses 3 Variables

Variables Used

Chopping Frequency - (Measured in Hertz) - Chopping frequency refers to the rate at which a signal is turned on and off, or modulated, in a switching circuit. A higher chopping frequency can improve accuracy and reduce noise.
Duty Cycle - A Duty Cycle or power cycle is the fraction of one period in which a signal or system is active.
Chopper On Time - (Measured in Second) - Chopper On Time refers to the time period for which chopper was in ON state.

STEP 1: Convert Input(s) to Base Unit

Duty Cycle: 0.529 --> No Conversion Required
Chopper On Time: 0.45 Second --> 0.45 Second No Conversion Required

STEP 2: Evaluate Formula

Substituting Input Values in Formula

f_c = d/T_on --> 0.529/0.45

Evaluating ... ...

f_c = 1.17555555555556

STEP 3: Convert Result to Output's Unit

1.17555555555556 Hertz --> No Conversion Required

FINAL ANSWER

1.17555555555556 ≈ 1.175556 Hertz <-- Chopping Frequency

(Calculation completed in 00.004 seconds)

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Home » Engineering » Electrical » Power Electronics » Choppers » Chopper Core Factors » Chopping Frequency

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Created by Parminder Singh

Chandigarh University (CU), Punjab

Parminder Singh has created this Calculator and 100+ more calculators!

Verified by Aman Dhussawat

GURU TEGH BAHADUR INSTITUTE OF TECHNOLOGY (GTBIT), NEW DELHI

Aman Dhussawat has verified this Calculator and 100+ more calculators!

< 13 Chopper Core Factors Calculators

Excess Work Due to Thyristor 1 in Chopper Circuit

Go Excess Work = 0.5*Limiting Inductance*((Output Current+(Reverse Recovery Time*Capacitor Commutation Voltage)/Limiting Inductance)-Output Current^2)

Critical Inductance

Go Inductance = Load Voltage^2*((Source Voltage-Load Voltage)/(2*Chopping Frequency*Source Voltage*Load Power))

Energy Released by Inductor to Load

Go Energy Released = (Output Voltage-Input Voltage)*((Current 1+Current 2)/2)*Circuit Turn Off Time

Peak to Peak Ripple Voltage of Capacitor

Go Ripple Voltage in Buck Converter = (1/Capacitance)*int((Change in Current/4)*x,x,0,Time/2)

Energy Input to Inductor from Source

Go Energy Input = Source Voltage*((Current 1+Current 2)/2)*Chopper On Time

Critical Capacitance

Go Critical Capacitance = (Output Current/(2*Source Voltage))*(1/Maximum Frequency)

Maximum Ripple Current Resistive Load

Go Ripple Current = Source Voltage/(4*Inductance*Chopping Frequency)

AC Ripple Voltage

Go Ripple Voltage = sqrt(RMS Voltage^2-Load Voltage^2)

Ripple Factor of DC Chopper

Go Ripple Factor = sqrt((1/Duty Cycle)-Duty Cycle)

Chopping Period

Go Chopping Period = Chopper On Time+Circuit Turn Off Time

Chopping Frequency

Go Chopping Frequency = Duty Cycle/Chopper On Time

Duty Cycle

Go Duty Cycle = Chopper On Time/Chopping Period

Effective Input Resistance

Go Input Resistance = Resistance/Duty Cycle

Chopping Frequency Formula

Chopping Frequency = Duty Cycle/Chopper On Time
f_c = d/T_on

What is chopper and chopping period?

A chopper is a static device that converts fixed DC input voltage to a variable DC output voltage. It is basically a high-speed ON/OFF semiconductor switch. When the chopper switch is ON, the load voltage is equal to the source voltage Vs and when the switch is OFF, load voltage becomes equal to ZERO. Thus, a chopped voltage across the load is obtained. Total time or chopping period is the sum of ON and OFF time.

How to Calculate Chopping Frequency?

Chopping Frequency calculator uses Chopping Frequency = Duty Cycle/Chopper On Time to calculate the Chopping Frequency, The Chopping Frequency formula is refers to the rate at which a signal is turned on and off, or modulated, in a switching circuit. A higher chopping frequency can improve accuracy and reduce noise. Chopping Frequency is denoted by f_c symbol.

How to calculate Chopping Frequency using this online calculator? To use this online calculator for Chopping Frequency, enter Duty Cycle (d) & Chopper On Time (T_on) and hit the calculate button. Here is how the Chopping Frequency calculation can be explained with given input values -> 1.244444 = 0.529/0.45.

FAQ

What is Chopping Frequency?

The Chopping Frequency formula is refers to the rate at which a signal is turned on and off, or modulated, in a switching circuit. A higher chopping frequency can improve accuracy and reduce noise and is represented as f_c = d/T_on or Chopping Frequency = Duty Cycle/Chopper On Time. A Duty Cycle or power cycle is the fraction of one period in which a signal or system is active & Chopper On Time refers to the time period for which chopper was in ON state.

How to calculate Chopping Frequency?

The Chopping Frequency formula is refers to the rate at which a signal is turned on and off, or modulated, in a switching circuit. A higher chopping frequency can improve accuracy and reduce noise is calculated using Chopping Frequency = Duty Cycle/Chopper On Time. To calculate Chopping Frequency, you need Duty Cycle (d) & Chopper On Time (T_on). With our tool, you need to enter the respective value for Duty Cycle & Chopper On Time and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.

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