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Project TWENTIES

Transmission system operation with large penetration of Wind and other renewable Electricity sources in Networks by means of innovative Tools and Integrated Energy Solutions

Transmission system operation with large penetration of Wind and other renewable Electricity sources in Networks by means of innovative Tools and Integrated Energy Solutions

European Union

RSE SpA

Partner

2010-2013

Diego Cirio

ABSTRACT

A group of 6 Transmission System Operators (Belgium, Denmark, France, Germany, The Netherlands and Spain) with 2 generator companies, 5 manufacturers and research organisations, proposes 6 demonstration projects to remove, in 3 years, several barriers which prevent both the electric system from welcoming more wind electricity, and wind electricity from contributing more to the electric system. The full scale demonstrations aim at proving the benefits of novel technologies (most of them available from manufacturers) coupled with innovative system management approaches. The contribution of wind energy to the system will show how aggregated wind farms can provide system services (voltage and frequency control) in Spain. The aggregation of wind farms with flexible generation and loads will be demonstrated in Denmark using a scalable IT platform developed by a generator company.

Increasing the flexibility of transmission networks will be tested in Belgium (by using present sensors and coordinated power flow control devices to avoid possible large scale instabilities induced by wind farms in the CWE region) and in Spain (through the dynamic estimation of wind power evacuation capacity using realtime computations based on short-term generation forecasts and the use of a mobile Overload Line Controller). Off-shore wind farms are addressed from a security viewpoint.

Secure HVDC meshed networks will be validated under French coordination using simulations and experiments of HVDC circuit breaker technologies. Off-shore wind farm shut-downs under stormy conditions will be demonstrated in Denmark using the world largest off-shore wind farm with balancing power provided by the Norwegian hydro capacities through a HVDC link.

The experimental results will be integrated into European impact analyses to show the scalability of the solutions: routes for replication will be provided with benefits for the pan-European transmission network and the European electricity market as soon as 2014, in line with the SET plan objectives.