Energy conversion/Description: Difference between revisions
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Figure on the left *****Flow diagram for the electricity model in energy supply and demand model (TIMER) (the hydrogen model follows a similar structure) | Figure on the left *****Flow diagram for the electricity model in energy supply and demand model (TIMER) (the hydrogen model follows a similar structure)<ref> blalbladdf </ref> | ||
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==Hydrogen generation model== | ==Hydrogen generation model== | ||
The structure of the hydrogen model is similar to that of the electric power model (Van Ruijven et al., 2007). There are, however, some important differences: | The structure of the hydrogen model is similar to that of the electric power model (Van Ruijven et al., 2007). There are, however, some important differences: | ||
*The hydrogen model distinguishes the following 11 supply options: hydrogen production plants on the basis of coal, oil, natural gas and bio-energy, with and without carbon capture and storage (8 plants), hydrogen production from electrolysis, direct hydrogen production from solar thermal processes, and, finally, small methane reform plants. | *The hydrogen model distinguishes the following 11 supply options: hydrogen production plants on the basis of coal, oil, natural gas and bio-energy, with and | ||
without carbon capture and storage (8 plants), hydrogen production from electrolysis, direct hydrogen production from solar thermal processes, and, finally, small methane reform plants. | |||
*For simplification, no description of preferences for different power plants is accounted for in the operational strategy. In other words, the load factor for each option equals the total production divided by the capacity for each region. | *For simplification, no description of preferences for different power plants is accounted for in the operational strategy. In other words, the load factor for each option equals the total production divided by the capacity for each region. | ||
*Intermittence does not play an important role, as hydrogen can be stored to some degree. Therefore, there are no equations simulating system integration. | *Intermittence does not play an important role, as hydrogen can be stored to some degree. Therefore, there are no equations simulating system integration. | ||
*Hydrogen can be traded. Therefore, a trade model is added, similar to the trade models for fossil fuels, as is described in the chapter on energy resources. | *Hydrogen can be traded. Therefore, a trade model is added, similar to the trade models for fossil fuels, as is described in the chapter on energy resources. | ||
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