Kite Power reality by Roosegaarde

Kite Power reality by Roosegaarde

During reel-out, the kite is flying figure-eight maneuvers at high speed (70 to 90 km/h). This creates a high traction force (3.1 kN at 7 m/s wind speed) which is converted into electricity by the drum and the connected 20 kW generator.

Kite Power by harnessing high altitude wind next step in Dutch Icon project ‘Afsluitdijk’. 

Even NASA has started to work on airborne wind energy. This field is very new and has much room for innovation.

Flight testing with actual consistent measured power production is the next step.

That’s why art-innovator Daan Roosegaarde is going to install and light the kites at the Afsluitdijk in the Netherlands.

Light Art

The Dutch Start-Up Kitepower has been developing this very old but for energy, new technology of power generation by harnessing high altitude wind.

The kites generate up to 20 KW each. Roosengaarde is gonna make the kites look like light sculptures.

How does it work?

The system is operated in periodic pumping cycles, alternating between reel-out and reel-in of the tether.

  • During reel-out, the kite is flying figure-eight maneuvers at high speed (70 to 90 km/h). This creates a high traction force (3.1 kN at 7 m/s wind speed) which is converted into electricity by the drum and the connected 20 kW generator.
  • When reaching the maximum tether length, the kite is de-powered by releasing the rear (steering) lines such that the whole wing rotates and aligns with the apparent wind.
  • Using the drum/generator module as a winch, the kite is now pulled back to the initial position to start the next pumping cycle.

De-powering reduces the traction force during reel-in by 80% and for this reason the energy consumed during reel-in is only a fraction of the energy generated during reel-out.

Crucial element of the technology is the automatic control and synchronization of the drum/generator module and the flight dynamics of the kite.

A Layer of Light and Interaction to Iconic 32

The Afsluitdijk, 32 kilometer dike in the Netherlands – will be strengthened in the coming years to safeguard its future and to continue to protect the Netherlands against the force of water.

Daan Roosegaarde and his team of designers, technicians and developers will lead us in three phases into their world of design enhancing the beauty of the Afsluitdijk in the next years.

Video

With a subtle second layer of light and interaction, Roosegaarde will create new connections between man and landscape on the Dutch design icon dating from 1932.

Daan Roosegaarde: “Dikes are as holy in the Netherlands as cows are in India. It is an honour to be able to contribute to Icoon Afsluitdijk as a celebration of landscape art highlighting the beauty of the dike. Our goal is not to add more objects but to create a second layer of light and interaction”.

Kite Power

The opening weekend of 2, 3 and 4 September 2016 will mark the first phase of Icoon Afsluitdijk. The opening will highlight the rich history and the unique construction through several innovative projects. One of these projects “Windvogel”, following the idea of the late Wubbo Ockels (Dutch Physicist and Astronaut) will bring the dream of energy-generating kites to life and can generate up to 100kW.

Light the dike

Another highlight includes a special run named ‘Afsluitdijk Open’ which will enable a new audience to experience their finish on the dike in the light of the rising sun. For one day the dike will be closed for cars and open to pedestrians in order for them to experience Dutch light as depicted for centuries by the Dutch painting masters.

Alongside these projects, a temporary exhibition will offer a preview into Roosegaarde’s new permanent works to be presented in the next years.

Climate change proof

The Netherlands will invest about € 800 million euros, needed to renovate the dam for the rising sea level. The 80 years old dike will be strengthened and given new time sluices to discharge more water.

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