Design of an MgB2 race track coil for a wind generator pole demonstration

11th European Conference on Applied Superconductivity

Abrahamsen, Asger B.^1 ; Magnusson, Niklas^2 ; Jensen, Bogi B.^3 ; Liu, Dong^4 ; Polinder, Henk^4

Department of Wind Energy, Technical University of Denmark, Denmark^1

SINTEF Energy Research, Norway^2

Department of Electrical Engineering, Technical University of Denmark, Denmark^3

Electrical Power Processing Group, Delft University of Technology, Netherlands^4

关键词: Air-gaps;    Direct-drive wind turbines;    Double pancake coil;    Operation currents;    Race track coils;    Wind generator systems;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/507/3/032001/pdf
DOI  :  10.1088/1742-6596/507/3/032001

来源: IOP

【 摘 要 】

An MgB2race track coil intended for demonstrating a down scaled pole of a 10 MW direct drive wind turbine generator has been designed. The coil consists of 10 double pancake coils stacked into a race track coil with a cross section of 84 mm × 80 mm. The length of the straight section is 0.5 m and the diameter of the end sections is 0.3 m. Expanded to a straight section of 3.1 m it will produce about 1.5 T magnetic flux density in the air gap of the 10 MW 32 pole generator and about 3.0 T at the edge of the superconducting coil with an operation current density of the coil of 70 A/mm2.