Are you talking about an inverter? Generators will always make sine waves. Generally speaking, no...there aren't good/cheap filters for a 5.5kw source. The main concern is with motors. Otherwise, you ...

Description: Sine Wave filters eliminate premature motor damage caused by over voltages, cable ringing, motor overheating, and eddy current losses caused by variable frequency drives (VFD). Suitable ...

Everyone interested in analog electronics should find some value in this post. Of course, an effort has been made here to make the content understandable to relative newbies. Forget about complex ...