US 11,725,634 B2
Wind turbine tower transition piece
Thor Thiim Hansen, Aarhus (DK); Christian Fuglsbjerg, Galten (DK); Slawomir Michaluk, Aarhus C. (DK); and Jeppe Søe, Rønde (DK)
Assigned to Vestas Wind Systems A/S, Aarhus N (DK)
Appl. No. 17/298,757
Filed by Vestas Wind Systems A/S, Aarhus N. (DK)
PCT Filed Dec. 5, 2019, PCT No. PCT/EP2019/083767
§ 371(c)(1), (2) Date Jun. 1, 2021,
PCT Pub. No. WO2020/115180, PCT Pub. Date Jun. 11, 2020.
Claims priority of application No. 18210397 (EP), filed on Dec. 5, 2018.
Prior Publication US 2022/0025873 A1, Jan. 27, 2022
Int. Cl. F03D 80/80 (2016.01); F03D 13/25 (2016.01); F03D 13/10 (2016.01); F03D 9/25 (2016.01)
CPC F03D 80/85 (2016.05) [F03D 13/10 (2016.05); F03D 13/25 (2016.05); F03D 9/257 (2017.02); F05B 2230/60 (2013.01); F05B 2240/85 (2020.08)] 26 Claims
OG exemplary drawing
 
1. A transition piece for a wind turbine tower, the transition piece being configured to be installed on a tower foundation and to carry a tower piece, the transition piece comprising a high voltage joint, the high voltage joint comprising:
a grid input terminal for receiving and connecting to an array cable from a power grid,
a WTG connecting output terminal, operatively connected to the grid input terminal, for receiving and connecting to an input cable leading to a switchgear,
a WTG connecting input terminal for receiving and connecting to an output cable from the switchgear, and
a grid output terminal, operatively connected to the WTG connecting input terminal, for receiving and connecting to an array cable leading to the power grid.