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How to find THD?

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Steffi Diana Mary
Steffi Diana Mary on 7 Jan 2023
I used ee_power_factor_correction command in MATLAB. How do I find the THD for this model?

Answers (4)

Star Strider
Star Strider on 7 Jan 2023
If you’re referring to total harmonic distortion, see the Simscape Electical function ee_calculateThdPercent.

Dr Narayanaswamy P R Iyer
If your model is in SIMULINK, use THD module from Simscape / Electrical / Specialized Power Systems / Sensors and Measurements block set.

Mohamed Althaf
Mohamed Althaf on 9 Jan 2024
@Dr Narayanaswamy P R Iyer I have used the THD module, and it works fine. However, the values are incorrect. For example, it should be below 5, but mine is above 10. Can you please tell me how to reduce that?

Dr Narayanaswamy P R Iyer
Check the result by setting sample time to zero and also by setting it to 50e-6 Second.

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