aagaag
Newbie level 6
I have a Siemens SINAMICS V20 0,12 KW 240V inverter, which I use to drive a 2-wire fan at 17 Hz.
This arrangement works, but it results in significant emission of audible distortion at ca. 8 kHz (and higher). I would be grateful for any advice on how to suppress the distortion. I imagine that some kind of low-pass filter would be necessary, but I do not know what to buy or how to construct such.
I should also say that I am not all too happy with the Sinamics inverter. If you listen to it carefully, it emits high-frequency noise even in the absence of any load!
This arrangement works, but it results in significant emission of audible distortion at ca. 8 kHz (and higher). I would be grateful for any advice on how to suppress the distortion. I imagine that some kind of low-pass filter would be necessary, but I do not know what to buy or how to construct such.
I should also say that I am not all too happy with the Sinamics inverter. If you listen to it carefully, it emits high-frequency noise even in the absence of any load!