Czech scientists have carried out a techno-economic evaluation of a inexperienced hydrogen manufacturing system powered solely by photovoltaic and wind power. The system makes use of extra power for water remedy and, based on its creator, can obtain a stage worth of hydrogen of $3.12/kg.
An worldwide analysis group carried out a techno-economic evaluation to find out the optimum design and dimension of off-grid wind solar energy crops supposed for inexperienced hydrogen technology at refueling stations for fuel- cell electrical automobiles (FCVs).
The proposed system makes use of extra power for electrocoagulation (EC), a waste remedy methodology. “In order to satisfy the water demand of industries and fill the scarcity of contemporary water provides, the EC is included within the remedy of discharged waste, which is environmentally pleasant, particularly when electrical energy is produced from supply of renewable power,” the scientists defined. “By becoming a member of the EC station with a hydrogen production-based stand-alone renewable energy station, sustainability and mobility will be improved.”
The analysis staff believes that the hydrogen station is situated in Ostrava, within the northeast of the Czech Republic. The metropolis averages photo voltaic radiation of two.89 kWh/m2 per day and wind pace of about 5.69 m/s. The hydrogen demand for the station is estimated at 10 kg per hour or 240 kg per day. The proposed system consists of wind generators, PV panels, electrolyzer, inverter, hydrogen tank, and batteries. All are believed to have a lifespan of lower than 25 years.
“The optimum design of the plant determines the scale of the elements as follows: photovoltaic panels with a capability of 298 kW, 22 wind generators with 100 kW every, 30 strings of 1 kWh lead acid batteries , electrolyzer with a capability of 1000 kW, and a hydrogen tank with a capability of 800 kg,” they additional defined.
Their evaluation exhibits that the PV unit can generate as much as 300,425 kWh/12 months and the wind turbine 6,697,566 kWh/12 months. The annual power consumption of electrolyzers is at 3,972,059 kW, and their annual manufacturing is estimated at 85,595 kg. In addition, 262,678 kWh of electrical energy is generated yearly for the electrocoagulation plant.
Through their techno-economic evaluation, the teachers discovered that the system may obtain a a lot lower cost stage for the hydrogen it produces. “The stage value of hydrogen (LCH) is 2.89 € ($ 3.12) / kg of hydrogen whereas the online current value (NPC) is € 5.49 million excluding the prices of the compressor unit,” they concluded. “The wind turbine and electrolyzer system have the best NPC. Therefore, the entire NPC of the challenge and the LCH shall be enormously affected by the expansion or lower of the corresponding value of wind farms and electrolyzers.”
Their findings seem in “An optimum standalone wind-photovoltaic energy plant system for inexperienced hydrogen technology: A case examine for a hydrogen refueling station,” printed in Engineering Results. The analysis was carried out by scientists from VSB within the Czech Republic – Technical University of Ostrava, Menoufia University in Egypt, Zagazig University, Cairo University, and the Kuwait University.
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