RES-hydrogen power systems

Following the first preliminary runs using HOMER it was decided that the sizes of the PV array to be considered were 20, 22 and 25 kW, respectively. It should be mentioned here that as was shown in the optimisation of other case studies as well, the introduction of hydrogen energy technologies in a RES-based power system usually requires a larger RE source so that the system is able to produce adequate quantities of hydrogen. 

As noted before, in order to replace conventional power components with hydrogen technologies in renewable energy-based autonomous power systems, an oveidimensioning of RE equipment is usually necessary. Nevertheless, the results of Fair Isle s wind-hydrogen system optimisation revealed that there is no need for additional wind turbines on the island, due to the fact that in the existing wind-diesel power system the wind turbines were already oversized. More specifically, the first preliminary runs conducted with HOMER software demonstrated that the size of the wind turbines to be considered in the analysis will also be 100 kW and 60 kW, respectively. 

Hydrogen as a Measure to Increase RES Penetration in Isolated Power Systems... 

An example under consideration could be hydrogen FC systems with three options including natural gas turbine, PV and wind energy systems representing different RES power plant option. These options are evaluated with the multicriteria method comprising the following indicators performance indicator, market indicator, environment indicator and social indicator. The indicators are composed... 

More specifically, the introduction of hydrogen energy technologies in autonomous power systems will facilitate higher RES penetration, will create a potential for high-density storage, and will contribute to security of power supply... 

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