Advantage of redesign of cooling system 40MW synchronous machine

The main goal of this work is in the qualification of temperature changes due to design modifications of the medium-sized turbo generator with the output power 40 MW, ie the temperature distribution of the active parts. The work summarizes of designing a number of changes in the cooling system of a 40 MW synchronous machine. The work is based on ventilation and thermal calculations to verify the change in flow rates, respectively, the flow rate of cooling air in the machine. Individual changes are first analyzed separately and then compared with the original state. Temperature trends and their comparison with the original solution are used to evaluate the impacts of design changes.