Hello, I am looking at possible ways to store and use the surplus power generation from renewable energy plants, solar and wind farms above all. I would be willing to collect some data first, so it would be great if anyone had literature or information about how much surplus is generated. I know the topic is very broad but anything could help.
Thanks a lot.
Enrico
Article A Review of Hybrid Solar PV and Wind Energy System
Dear Enrico,
The straightforward solution to your inquiry is: disconnect or store
Separate your wind or solar power plant and there is no mischief to any equipment .On the off chance that you have a stand alone plant you can't store in the grid. Possibly you have enough with batteries, or you introduce a pump control plant where water is pumped to a tank or supply from where the potential vitality can be recuperated later in a hydro turbine. Another choice is Power-to-gas utilizing abundance power to create hydrogen which is later utilized specifically or in an energy unit to change over to power.
Ideally, this surplus electricity can be stored using one of the following technologies:
1) Store surplus electricity in the form of hydrogen gas. In this case, the surplus electricity is used for water electrolysis to generate hydrogen gas that can stored and when electricity is needed, then this hydrogen gas can be used as feed-stock for the PEM fuel cells to produce electricity. Alternatively, the stored hydrogen gas can be burned in internal combustion engines (ICE) to generate mechanical or electrical energy.
2) The surplus electricity can be used to pump water to a higher elevation tanks and when electricity is need, water flow from the higher elevation can be used to run turbines to generate electricity. This concept is called hydro power generation where the potential energy of water stored in a higher elevation is converted into kinetic energy to run the turbine generators.
3) The surplus electricity can be stored in flywheels which can produce electricity when it is needed.
4) The surplus electricity can be used to compress air which can then be used to run turbine generators when electricity is needed. The concept is known as the compressed air energy storage (CAES).
Hope this helps answer your question!
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