A power generation system (10, 100), comprising: at least one generator having at least two sets of stator windings; a rectifier pair having a first active rectifier and a last active rectifier associated with each set of said stator windings, with each set of said windings being connected to an AC voltage side of said associated active rectifiers (32A, 32B) and each of said active rectifiers (32A, 32B) having a positive DC voltage output (50A, 50B) and a negative DC voltage output (52A, 52B), wherein said DC voltage outputs of said active rectifiers (32A, 32B) are connected to each other in series, said first active rectifier having said negative DC voltage output connected to said positive DC voltage output of said last active rectifier, a medium voltage DC (MVDC) collection network comprising positive pole cables and negative pole cables, wherein each said positive pole cable is connected to said positive DC voltage output of said first active rectifier and each said negative pole cable is connected to said negative DC voltage output of said last active rectifier; a medium voltage AC (MVAC) substation (68, 122) receiving said negative and positive pole cables (64, 62) of said MVDC collection network and comprising a plurality of DC/AC converters (78, 124) that are connected in parallel, each of said plurality of DC/AC converters (78, 124) being connected to said negative and positive pole cables (64, 62) of the MVDC collection network and adapted to convert direct current generated by said at least one generator to alternating current provided to an alternating current output, said plurality of DC/AC converters (78, 124) having said alternating current outputs connected to each other in parallel for further transformation and transmission of electricity generated by said at least one generator, characterized in that each of said active rectifiers (32A, 32B) comprises power cell based modular converters, and in that the connection of said negative DC voltage output of said first active rectifier to said positive DC voltage output of said last active rectifier is grounded. at least one generator having at least two sets of stator windings; a rectifier pair having a first active rectifier and a last active rectifier associated with each set of said stator windings, with each set of said windings being connected to an AC voltage side of said associated active rectifiers (32A, 32B) and each of said active rectifiers (32A, 32B) having a positive DC voltage output (50A, 50B) and a negative DC voltage output (52A, 52B), wherein said DC voltage outputs of said active rectifiers (32A, 32B) are connected to each other in series, said first active rectifier having said negative DC voltage output connected to said positive DC voltage output of said last active rectifier, a medium voltage DC (MVDC) collection network comprising positive pole cables and negative pole cables, wherein each said positive pole cable is connected to said positive DC voltage output of said first active rectifier and each said negative pole cable is connected to said negative DC voltage output of said last active rectifier; a medium voltage AC (MVAC) substation (68, 122) receiving said negative and positive pole cables (64, 62) of said MVDC collection network and comprising a plurality of DC/AC converters (78, 124) that are connected in parallel, each of said plurality of DC/AC converters (78, 124) being connected to said negative and positive pole cables (64, 62) of the MVDC collection network and adapted to convert direct current generated by said at least one generator to alternating current provided to an alternating current output, said plurality of DC/AC converters (78, 124) having said alternating current outputs connected to each other in parallel for further transformation and transmission of electricity generated by said at least one generator, characterized in that each of said active rectifiers (32A, 32B) comprises power cell based modular converters, and in that the connection of said negative DC voltage output of said first active rectifier to said positive DC voltage output of said last active rectifier is grounded.