Espejot
Hyperaktiivi
Akuista povataan seuraajaa aurinkosähköbuumille. Akun fiksun toiminnan taakse kuitenkin tarvitaan jonkinlainen algoritmi. Tuossa on erään yrityksen näkemys millaisia ohjaustapoja voisi olla.
- The cost minimization scenario is used to minimize electricity bills. This scenario can be used to have fixed tariffs or dynamic market electricity prices. In this scenario, the battery is charged not only from PV generation, but also from the grid. In the case of a dynamic market price, the lowest electricity price is estimated, and batteries are charged according to forecasted generation.
- The self-consumption scenario is used to maximize the use of PV-generated energy. The task in this scenario is to use all the PV-generated energy and have zero generation going to the grid. This scenario is useful when the feed-in tariff is very low, or no feed-in tariff exists at all.
- The peak shaving scenario is used when there is a limit on the user power consumption. If the user starts using more when the limit is set, they must pay a very high price for the electricity. In this case, a battery is used to cut the consumption peaks by supplying energy when there is a higher demand than allowed. This scenario should be popular for industrial applications.
- The self-sufficient scenario is used to reduce consumption from the grid. This case can be used for the net zero buildings concept, when a building requires an independent supply.
- The curtailment scenario is used when there is the feed-in limit of the generated energy. In this scenario, surplus PV energy is stored in the battery and used in the evening and early morning hours.
Solar power plants with smart batteries: It’s just a matter of time
At the end of 2021, the total capacity of the solar power plants throughout the world was estimated to be 940 GW. According to the forecasts of solar association SolarPower Europe, the total capacity could reach 2 TW by 2025. With the rapidly growing popularity of solar power plants, experts...www.pv-magazine.com
Tätä olen itse pohtinut "but also buy it from the grid or sell it."
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