Patent ID: 7161255

Claim:
A power plant comprising: a generator cooled by hydrogen gas and comprising stator terminals, one for each phase; a terminal compartment located adjacent the generator for housing the stator terminals; a generator auxiliary equipment compartment distinct from the stator terminal compartment, the generator auxiliary equipment compartment housing generator auxiliary equipment; a main bus extending from the terminal compartment, the main bus comprising isolated phase bus duct, one for each phase, each isolated phase bus duct having a first conductor and an enclosure surrounding the first conductor extending outside of the terminal compartment, the first conductor being connected with a corresponding one of the stator terminals inside the terminal compartment; first electrically insulating sealing bushings each one of which surrounds one of the first conductors within the enclosure of each isolated phase bus duct to seal against the escape of hydrogen gas from the terminal compartment along the isolated phase bus duct; and, electrical tap connections, one for each phase, between the main bus and the generator auxiliary equipment for drawing electrical power from the main bus to the generator auxiliary equipment, and the tap connections being positioned downstream of the first electrically insulating sealing bushings.