Abstract
In this paper, a novel vernier reluctance fully superconducting (FSC) low-speed direct-drive synchronous generator for a wind power application is proposed. The proposed superconducting (SC) generator is with an external rotor, and both the SC armature and SC dc field windings are in the inner stationary stator. Thus, compared with the existing FSC synchronous generators (FSCSGs), the slip ring is removed, and the cryostat and related refrigerate systems are stationary and greatly simplified. In addition, both the field and armature windings are single tooth-wound concentrated windings with very short end-windings. Compared with the regular FSCSGs, the usage of the SC material is greatly reduced in this proposed topology, as with the total cost. Furthermore, the torque ripple is much lower than that in a regular FSCSG. All these features are evaluated by the finite-element simulations.
| Original language | English |
|---|---|
| Article number | 7484708 |
| Journal | IEEE Transactions on Applied Superconductivity |
| Volume | 26 |
| Issue number | 7 |
| DOIs | |
| State | Published - Oct 2016 |
| Externally published | Yes |
Keywords
- Fully superconducting
- Wind power
- stator DC field winding
- superconducting generator
- synchronous generator
- vernier reluctance machine
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