Aalborg University research innovation leads to commercial contract  

2007.09.12
The Institute of Energy Technology at Aalborg University is finalising contract negotiations regarding a technological innovation with a leading European player in the solar cell inverter market
Researchers from the Institute of Energy Technology at Aalborg University in northern Jutland have developed software for a new type of security system for solar panel installations that feed power back to the electrical grid. A well-known but as yet un-named European company in the solar cell inverter market plans to take up the technology and is currently finalising contract negotiations. It is expected that a product featuring the new invention could be on the market in the near future.
 
The new security system is designed to prevent "islanding", the technical term for the continued power supply to a building from its own solar panels (or other non-grid power source) when there is a power failure on the electrical grid, or it is deliberately disconnected for e.g. repair or maintenance work. Islanding can be hazardous to utility engineers who may not necessarily know that the building is still receiving power although the electrical grid is down or disconnected.
 
It is a requirement of the solar panel industry that solar panel inverters must detect islanding and immediately shut down in the event of loss of grid power. Normally this is done by separately installed monitoring equipment, but the new software technology from Aalborg University can do this without the need for extra hardware. The security system can also be used with fuel cells and small wind turbines.
 
The news comes just days after Aalborg University hosted the 12th European Conference on Power Electronics and Applications, which was attended by over a thousand delegates from the energy sector worldwide. The news was reported by financial daily newspaper Børsen.
 

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