SylWin1

SylWin1

With SylWin1 with an output of 864 megawatts (MW), the wind farms can feed large quantities of wind power into the German power grid via a high-voltage direct current connection (HVDC). To transport the energy generated by the wind turbines to the onshore converter station in Büttel, a distance of 205 kilometers must be bridged: 160 kilometers of submarine cable and 45 kilometers of land cable. The submarine cable route in the coastal sea and the land cable run parallel to the route for the HelWin1 project, thus reducing the impact on nature and the environment. SylWin1 is one of the large-scale offshore grid connections and can supply more than one million households with clean wind energy.

Connecting concept

The electricity generated at sea is collected in the wind farm's own transformer station. From there the energy is transported to TenneT’s offshore converter platform via a 155 kilovolts three-phase alternating current (AC) cables. The conversion of AC to direct current (DC) takes place in the offshore converter station. The electricity is then transported by subsea and underground cable to the corresponding land station. Here, the electricity is converted back into AC and fed into the TenneT extra-high voltage grid.

Offshore_Connection_AC