A mobile off-grid platform powered with photovoltaic/wind/battery/fuel cell hybrid power systems

M. Suha Yazici, H. Ayhan Yavasoglu*, M. Eroglu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

62 Citations (Scopus)


Cross utilization of photovoltaic/wind/battery/fuel cell hybrid-power-system has been demonstrated to power an off-grid mobile living space. This concept shows that different renewable energy sources can be used simultaneously to power off-grid applications together with battery and hydrogen energy storage options. Photovoltaic (PV) and wind energy are used as primary sources and a fuel cell is used as backup power. A total of 2.7 kW energy production (wind and PV panels) along with 1.2 kW fuel cell power is supported with 17.2 kWh battery and 15 kWh hydrogen storage capacities. Supply/demand scenarios are prepared based on wind and solar data for Istanbul. Primary energy sources supply load and charge batteries. When there is energy excess, it is used to electrolyse water for hydrogen production, which in turn can either be used to power fuel cells or burnt as fuel by the hydrogen cooker. Power-to-gas and gas-to-power schemes are effectively utilized and shown in this study. Power demand by the installed equipment is supplied by batteries if no renewable energy is available. If there is high demand beyond battery capacity, fuel cell supplies energy in parallel. Automatic and manual controllable hydraulic systems are designed and installed to increase the photovoltaic efficiency by vertical axis control, to lift up & down wind turbine and to prevent vibrations on vehicle. Automatic control, data acquisition, monitoring, telemetry hardware and software are established. In order to increase public awareness of renewable energy sources and its applications, system has been demonstrated in various exhibitions, conferences, energy forums, universities, governmental and nongovernmental organizations in Turkey, Austria, United Arab Emirates and Romania.

Original languageEnglish
Pages (from-to)11639-11645
Number of pages7
JournalInternational Journal of Hydrogen Energy
Issue number26
Publication statusPublished - 30 Aug 2013
Externally publishedYes


Financial support provided by the Turkish Ministry of Energy & Natural Resources , UNDP Turkey SGP funds and ODIDER is greatly acknowledged.

FundersFunder number
Turkish Ministry of Energy & Natural Resources


    • Caravan
    • Fuel cell
    • Hybrid
    • Hydrogen
    • Renewable


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