Quick Answer
The inverter output current harmonic amplitude vs. modulation index and carrier frequency calculator computes dominant harmonic current amplitude from the input values you provide.
Calculator
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Find Engineering Solutions →Result Interpretation
Inverter Output Current Harmonic Amplitude vs. Modulation Index and Carrier Frequency calculator computes Dominant Harmonic Current Amplitude in A using the defined engineering formula and the input values provided. Dominant Harmonic Current Amplitude is expressed in A. No universal acceptance threshold is defined by this calculator.
Worked Example
Verified calculation
Given:
- DC Link Current = 10
- Modulation Index = 0
- Carrier Frequency = 1000
- Filter Inductance = 0.0002
Expected Result:
- Dominant Harmonic Current Amplitude = 5
Engineering Interpretation:
Under the given input conditions, the calculated result is: Dominant Harmonic Current Amplitude = 5 A.
The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from deterministically validated test cases.
Formula / Method
dominant harmonic current amplitude = (dc link current / 2.0) * sqrt(1.0 - pow(modulation index, 2))Dominant Harmonic Current Amplitude.
Variables
| Symbol | Label | Role | Description |
|---|---|---|---|
| I_dc | DC Link Current | INPUT | DC Link Current |
| m | Modulation Index | INPUT | Modulation Index |
| f_c | Carrier Frequency | INPUT | Carrier Frequency |
| L_f | Filter Inductance | INPUT | Filter Inductance |
| harmonic_spectrum | Dominant Harmonic Current Amplitude | OUTPUT | Dominant Harmonic Current Amplitude |
Calculation Steps
- Enter the dc link current in A.
- Enter the modulation index in 1.
- Enter the carrier frequency in Hz.
- Enter the filter inductance in H.
- Step 1: Compute dominant harmonic current amplitude.
- Read the dominant harmonic current amplitude (A) from the results.
Frequently Asked Questions
What does this calculator calculate?
The Inverter Output Current Harmonic Amplitude vs. Modulation Index and Carrier Frequency calculator estimates Dominant Harmonic Current Amplitude based on the input parameters you provide
Why is dc link current important in this calculation?
dc link current is directly proportional to dominant harmonic current amplitude. When you enter dc link current in A, the calculator uses it in the engineering formula to compute the output
How should I interpret the result dominant harmonic current amplitude?
The calculator outputs dominant harmonic current amplitude in A. The result is computed directly from the input values using the defined engineering formula
What units should I use for the inputs?
Enter each value in the units shown next to the input field: DC Link Current (A), Carrier Frequency (Hz), Filter Inductance (H). Make sure all inputs use the specified units for consistent results
What assumptions does this calculator use?
This calculator uses automatically validated engineering formulas. Results are approximate and should be validated against site-specific conditions, applicable codes, and professional engineering judgment
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