Time for a new Warpinverter build

Author	Message
rogerdw Guru Joined: 22/10/2019 Location: Australia Posts: 955	Posted: 09:18am 12 Apr 2021         Haxby said   Hold on, let me get this straight. Two 3kw transformers with the same voltages, power ratings, etc, both out of Aero-sharp inverters but from two different transformer manufacturers. The Hefei Ecu-Tamura brand: -looks neat and tidy on the outside -is a little smaller physically - windings are more neatly wound But - the core is made from rusty offcuts. Whereas the Eaglerise brand: - looks more messy on the outside - is a little bigger - windings are pretty messy - internal core better quality with lower measured core losses. Is that right? Nah Phil, somehow you've mixed that up. This is the correct summary  ... The Hefei Ecu-Tamura brand: - looks more messy on the outside - is a little bigger - windings are pretty messy And - the core is made from rusty offcuts. Whereas the Eaglerise brand: -looks neat and tidy on the outside -is a little smaller physically - windings are more neatly wound - internal core better quality with lower measured core losses. Note: I haven't removed the mylar from the neat looking Eaglerise toroids yet to see if their cores are better or worse, though certainly don't expect them to be worse.