Hydrogen and renewable energy sources integrated system for greenhouse heating

A research is under development at the Department of Agro- Environmental Sciences of the University of Bari “Aldo Moro” in order to investigate the suitable solutions of a power system based on solar energy (photovoltaic) and hydrogen, integrated with a geothermal heat pump for powering a self susta...

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Bibliographic Details
Published inJournal of agricultural engineering (Pisa, Italy) Vol. 44; no. 2s
Main Authors Blanco, Ileana, Anifantis, Alexandros Sotirios, Pascuzzi, Simone, Scarascia Mugnozza, Giacomo
Format Journal Article
LanguageEnglish
Published Bologna PAGEPress Publications 08.09.2013
Subjects
Alternative energy sources
Electric power systems
Embedded systems
Energy
Energy sources
Environmental science
Fuel cells
Fuel technology
greenhouse heating, energy savings, electrolyser, hydrogen, fuel cell, ground source heat pump
Heat exchangers
Heat pumps
Hydrogen
Hydrogen storage
Hydrogen-based energy
Photovoltaic cells
Photovoltaics
Radiation measurement
Renewable energy sources
Solar energy
Solar power
Solar radiation
Storage tanks
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Summary:A research is under development at the Department of Agro- Environmental Sciences of the University of Bari “Aldo Moro” in order to investigate the suitable solutions of a power system based on solar energy (photovoltaic) and hydrogen, integrated with a geothermal heat pump for powering a self sustained heated greenhouse. The electrical energy for heat pump operation is provided by a purpose-built array of solar photovoltaic modules, which supplies also a water electrolyser system controlled by embedded pc; the generated dry hydrogen gas is conserved in suitable pressured storage tank. The hydrogen is used to produce electricity in a fuel cell in order to meet the above mentioned heat pump power demand when the photovoltaic system is inactive during winter night-time or the solar radiation level is insufficient to meet the electrical demand. The present work reports some theoretical and observed data about the electrolyzer operation. Indeed the electrolyzer has required particular attention because during the experimental tests it did not show a stable operation and it was registered a performance not properly consistent with the predicted performance by means of the theoretical study.
ISSN:1974-7071
2239-6268
DOI:10.4081/jae.2013.287