Control of hvdc system using matlab simulation

[kgvpaacet]

i wish to include a double tuned filter in to my HVDC system.. is it possible? if yes.. can i get a circuit for the same.

 

[kgvpaacet]

i want to make a hardware for my mtech thesis. i wish to make the rectifier section of hvdc. but making hvdc hardware is not possible. so i am planning to make the graetz circuit for the nominal 3 phase supply (415V). can i get the circuit for the same.