Scientists in Czechia have performed a techno-economic evaluation of a inexperienced hydrogen manufacturing system powered completely by photovoltaic and wind vitality. The system makes use of surplus vitality for water therapy and, based on its creator, can obtain a levelized value of hydrogen of $3.12/kg.
A global analysis crew has carried out a techno-economic evaluation to establish the optimum design and dimension of off-grid wind solar energy crops supposed for inexperienced hydrogen technology in refueling stations for fuel-cell electrical automobiles (FCVs).
The proposed system makes use of surplus vitality for electrocoagulation (EC), a technique for treating wastewater. “To fulfill the industries’ water demand and make up for the dearth of freshwater provides, EC is included to deal with the discharged wastewater, which is environmentally pleasant, particularly when electrical energy is produced from renewable vitality sources,” the scientists defined. “By incorporating the EC station with hydrogen production-based stand-alone renewable energy station, sustainability and mobility will be improved.”
The analysis group assumed the hydrogen station to be positioned in Ostrava, within the northeast of the Czech Republic. Town averages photo voltaic radiation of two.89 kWh/m2 every day and wind velocity of about 5.69 m/s. Hydrogen demand for the station is assumed at 10 kg per hour or 240 kg per day. The proposed system consists of wind generators, PV panels, an electrolyzer, an inverter, hydrogen tanks, and batteries. All are assumed to have a lifetime of lower than 25 years.
“The optimum design of the plant determines the scale of the parts as follows: photovoltaic panels with a capability of 298 kW, 22 wind generators with 100 kW every, 30 strings of 1 kWh lead acid battery, electrolyzer of 1000 kW capability, and hydrogen tanks with a capability of 800 kg,” they additional defined.
Their evaluation confirmed 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 electrolyzers’ annual vitality consumption is round 3,972,059 kW, and their annual manufacturing is estimated at 85,595 kg. As well as, 262,678 kWh of electrical energy is generated yearly for the electrocoagulation plant.
By means of their techno-economic evaluation, the lecturers discovered the system might already obtain considerably low value ranges for the hydrogen it produces. “The levelized value of hydrogen (LCH) is 2.89 € ($3.12)/kg of hydrogen whereas web current value (NPC) is €5.49 million excluding compressor unit prices,” they concluded. “The wind turbine and electrolyzer system have the best NPC. Consequently, the general NPC of the venture and the LCH shall be considerably impacted by the expansion or lower of the corresponding prices of wind farms and electrolyzers.”
Their findings will be present in “An optimum standalone wind-photovoltaic energy plant system for inexperienced hydrogen technology: A case examine for hydrogen refueling station,” revealed in Ends in Engineering. The analysis was performed by scientists from the Czech Republic’s VSB – Technical College of Ostrava, Egypt’s Menoufia College, Zagazig College, Cairo College, and the Kuwait College.
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