As generation costs continue to rise, utility combustion turbine users are increasingly receptive to the cost savings of on-site production of consumable materials, such as gaseous hydrogen, for use in electric generator cooling. This paper reviews the application of electrolytic hydrogen generation equipment on combustion turbine or steam turbine electric generator installations. Items discussed include the fundamental theory of electrolytic hydrogen generation, hardware configuration, system sizing and design considerations, space and utility requirements, economics, and maintenance considerations.

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