The Daelim Group announced on April 25 that the company has developed a "PV power generation exterior system" that embeds solar cells in the peripheral sun visor, and a new experimental facility "Open Lab" at the Daelim Group Institute of Technology (Chingo City, Tokyo). -2" was installed. The integration of the solar cells and the curtain wall constitutes an off-grid system. The electricity produced is not supplied to the power supply network in the building, but is used directly to drive the energy-saving window system and the roller shutter.
The system uses silicon crystal laminated glass solar cells. The unit assembly is very free and can be used like a laminated glass for construction. It can be customized according to the exterior design. After being installed in the shape of a sun visor, it not only does not hinder the visual field, but also has the effect of shading in the summer.
The system uses the controller to adjust the power generation, and it will store electricity in the battery. After converting the direct current to alternating current using the inverter, it is used directly to drive the energy-saving window system and the motor of the roller blind. Because it is off-grid, it is also possible to light and charge the phone. Off-grid systems below a certain capacity do not require prior consultation with the power company, nor are they subject to legal restrictions, and the procedures for setting up are relatively simple.
Ordinary photovoltaic power generation is easily affected by the weather and there is a problem of unstable power. In order to sell electricity to the grid, it is necessary to negotiate with the power company in advance. Moreover, in the event of a power outage, photovoltaic power generation will also stop at the same time, and this feature of emergency power supply cannot be used.
On the other hand, in addition to roof terraces and roofs, there is a demand for installing solar cells on the exterior of buildings in the market. However, due to the high cost of adopting innovative solar cells and the low power generation efficiency, the grid connection has not been completed. Satisfactory results can be achieved. Dalin Group's off-grid photovoltaic power generation exterior system successfully solved this problem.
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