Abstract: An electrical connection system is provided for the salient poles of a hydrogenerator rotor. The system provides for identically wound salient poles to be connected in a manner that achieves opposite electromagnetic polarity of adjacent salient poles while eliminating the requirements of crossover connections during final assembly of the poles to the rotor or during field replacement of salient poles.

Abstract: A liquid cooling system for a dynamoelectric machine's rotor winding. Concentrically arranged intake and outtake coolant pipes extend a desired axial distance within a centrally arranged bore in the rotor. Both pipes are joined to a distribution block also disposed in the rotor bore. The distribution block transmits coolant from the intake pipe to arcuately-shaped coolant distribution manifolds through radially-directed pipes and transmits coolant from arcuately-shaped coolant collection manifolds to the outtake pipe through radially-directed pipes. The manifolds are fluidly connected to the rotor winding either by rigid non-conducting tubing having bends therein for permitting thermal expansion thereof or flexible insulation tubing such as Teflon.RTM..