Development of autonomous solar hydrogen power plant of capacity to 5 kW

The main results of developing a pilot project concerning the water thermal decomposition cycle at 700°C in a reactor located at the concentrator focus are presented. Steam is generated and the mixture of water vapor with hydrogen is directed to a turbine with electrical generator; the turbine exhaust is used in the heat supply system, from which it enters an electrolyzer, in which pure hydrogen is separated from the mixture. Part of the electric power produced by the generator is used for the electrolysis process. This cycle was studied in the period from 2003 to 2008 as a part of the fundamental solar furnace programs in Parkent. The goal of the pilot project is to create a power plant with overall power output (electric energy, heat supply, hydrogen) up to 5 kW that is intended for the Uzbek rural regions. When implementing the project, developers will work out the design of the components, conduct pilot operations, train the servicing personnel, and conduct a feasibility study for replication of the unit.

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