I need to design high efficiency transformer, low loss for 6Kw forward converter, so is there is recommended materials, and is there any tools can help me to design the transformer

 

Hire a professional.

 

thanks!!!

 

Googling "ferrite core high frequency" will give links to several suppliers. You could get their advice re the most suitable for your transformer, and possibly hints on construction.

 

" Transformers & Coils ", http://ludens.d/Electron/Magnet.html

 

which material has low loss core and good at 50khz and what kind of shape is better for good coupling