The conceptual design characteristics of a closed-cycle gas turbine system suitable for solar electric power generation are presented in this paper. This system can be integrated with a gas-cooled solar central receiver designed by Boeing Engineering and Construction to produce 75-MWe power output on an intermediate demand basis. The conceptual designs for both the gas turbine and the heat exchangers required to provide an integrated power conversion system are presented. Technology projected for 1985 availability was utilized in these designs to provide a cost-effective installation in the 1990 time frame. This task was made more credible by the utilization of air rather than helium as the working gas since the vast majority of required technology is well known and available. Also presented are potential power conversion system part-load performance, component layout, and operating characteristics resulting from this conceptual design which allow evaluation of the feasibility of their integration into a total solar plant installation.

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