Details
| Original language | English |
|---|---|
| Title of host publication | 2019 IEEE International Electric Machines and Drives Conference, IEMDC 2019 |
| Subtitle of host publication | Proceedings |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 1824-1829 |
| Number of pages | 6 |
| ISBN (electronic) | 978-1-5386-9350-6 |
| ISBN (print) | 978-1-5386-9351-3 |
| Publication status | Published - May 2019 |
| Event | 11th IEEE International Electric Machines and Drives Conference, IEMDC 2019 - San Diego, United States Duration: 12 May 2019 → 15 May 2019 |
Abstract
This paper introduces an approach to calculating the field normal to the surface of a highly permeable clamping plate in open-circuit operation using a numerically solved Schwarz-Christoffel mapping without accounting for eddy currents or saturation. The intrinsically three-dimensional nature of the fringing air-gap flux density is reduced to a 2D problem by introducing a flux sink to account for 3D flux paths. A comparison with 3D FE simulations for six different hydro generators shows that the proposed method retains a high degree of accuracy at greatly reduced computational cost. The proposed flux sink concept can conceivably be implemented in 2D FEA achieving a similar reduction in computational cost.
Keywords
- Clamping system, Conformal mapping, End region losses, Hydroelectric power generation
ASJC Scopus subject areas
- Energy(all)
- Energy Engineering and Power Technology
- Engineering(all)
- Electrical and Electronic Engineering
- Engineering(all)
- Mechanical Engineering
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2019 IEEE International Electric Machines and Drives Conference, IEMDC 2019: Proceedings. Institute of Electrical and Electronics Engineers Inc., 2019. p. 1824-1829 8785290.
Research output: Chapter in book/report/conference proceeding › Conference contribution › Research › peer review
}
TY - GEN
T1 - Schwarz-christoffel-based open-circuit clamping plate field calculation in hydro generators
AU - Fricke, Torben
AU - Schwarz, Babette
AU - Ponick, Bernd
PY - 2019/5
Y1 - 2019/5
N2 - This paper introduces an approach to calculating the field normal to the surface of a highly permeable clamping plate in open-circuit operation using a numerically solved Schwarz-Christoffel mapping without accounting for eddy currents or saturation. The intrinsically three-dimensional nature of the fringing air-gap flux density is reduced to a 2D problem by introducing a flux sink to account for 3D flux paths. A comparison with 3D FE simulations for six different hydro generators shows that the proposed method retains a high degree of accuracy at greatly reduced computational cost. The proposed flux sink concept can conceivably be implemented in 2D FEA achieving a similar reduction in computational cost.
AB - This paper introduces an approach to calculating the field normal to the surface of a highly permeable clamping plate in open-circuit operation using a numerically solved Schwarz-Christoffel mapping without accounting for eddy currents or saturation. The intrinsically three-dimensional nature of the fringing air-gap flux density is reduced to a 2D problem by introducing a flux sink to account for 3D flux paths. A comparison with 3D FE simulations for six different hydro generators shows that the proposed method retains a high degree of accuracy at greatly reduced computational cost. The proposed flux sink concept can conceivably be implemented in 2D FEA achieving a similar reduction in computational cost.
KW - Clamping system
KW - Conformal mapping
KW - End region losses
KW - Hydroelectric power generation
UR - http://www.scopus.com/inward/record.url?scp=85071027877&partnerID=8YFLogxK
U2 - 10.1109/iemdc.2019.8785290
DO - 10.1109/iemdc.2019.8785290
M3 - Conference contribution
AN - SCOPUS:85071027877
SN - 978-1-5386-9351-3
SP - 1824
EP - 1829
BT - 2019 IEEE International Electric Machines and Drives Conference, IEMDC 2019
PB - Institute of Electrical and Electronics Engineers Inc.
T2 - 11th IEEE International Electric Machines and Drives Conference, IEMDC 2019
Y2 - 12 May 2019 through 15 May 2019
ER -