Hello,
I'm currently at the final stage of simple inverter design (a coursework) which consists of PWM, 6 mosfets and 3-phase purely resistive load.
As far as I understood everything to this point I can't really fully understand the harmonics and filtering therefore I will give you my opinion and you could hopefully give me feedback:
- Use a Low pass filter [RLC or RC] (Switching frequency is 21(sampling frequency)*50(fundamental frequency) = 1050Hz) to filter the harmonic content in output waveform.
And a questions:
*Would you be able to provide a really good background reading on basic filter calculations and Harmonics ?
I'm currently at the final stage of simple inverter design (a coursework) which consists of PWM, 6 mosfets and 3-phase purely resistive load.
As far as I understood everything to this point I can't really fully understand the harmonics and filtering therefore I will give you my opinion and you could hopefully give me feedback:
- Use a Low pass filter [RLC or RC] (Switching frequency is 21(sampling frequency)*50(fundamental frequency) = 1050Hz) to filter the harmonic content in output waveform.
And a questions:
*Would you be able to provide a really good background reading on basic filter calculations and Harmonics ?