could please download the following simlulink files from pudn website

[ramuk]

Hi all,
I am working on four leg inverter simulation since 2 months. I am missing somewhere in the simulation. Unfortunately none of the papers gave proper model. I request you to please download at least one of the following from pudn website. I tried downloading but could not login.
Thanks a lot in advance.
http://en.pudn.com/Download/item/id/2245770.html
http://en.pudn.com/Download/item/id/2760666.html
http://en.pudn.com/Download/item/id/3219613.html

http://en.pudn.com/Download/item/id/3281285.html