TU Delft home test batteries at three different sites




TU Delft is investigating along with Eneco three projects at home batteries. The batteries are put through their paces in three areas, namely usability for intelligent power management, charging electric vehicles and DC technology.

Tesla Power Wall The projects are related to research into the use of electricity from solar energy, reports the university. The uncertainty about catch availability of solar energy, research into energy under the heading of ‘intelligent energy’. With battery systems in combination with solar panels can be made to the production and storage of energy without central power plants. The project mimics before domestic installations in the Netherlands in a laboratory after and also looks at costs, efficiency and payback.

In the second part, the researchers look at the combination of electric vehicles and solar energy. This should lead to a “highly efficient, modular, smart charging station” for electric vehicles. The charging station must operate on solar energy, although still need support from the central grid for the winter months in the Netherlands. For this, the researchers have already developed and built an inverter. This multi-port inverter generators can on the basis of solar cells, electric vehicles and the power grid are connected.

The third part of the research focuses on the combination of a direct current with the existing low-voltage alternating current. In addition, the bulk of electrical equipment used in or around the house on the direct current one way or another. It seems the researchers therefore only logical that they are connected in the long run on a DC distribution system instead of the power network. The systems must be more resistant must also bet against interference and the available home batteries are in ensuring a high energy availability.

The whole thing about the arrival of electric vehicles provides a major challenge with regard to the load on the grid, especially in combination with irregular supply of energy from sun or wind. The home batteries or distributed storage can also be used in the management of the grid. This can be done by prices of energy from the central network dynamically adjust so that a home battery only loads from the central network as the prices are low.

Whether the university conducting the tests with commercially available batteries, such as of Solar Watts or Tesla, is not clear.


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