LAPSE:2023.25588
Published Article
LAPSE:2023.25588
Research on Electromagnetic Field, Eddy Current Loss and Heat Transfer in the End Region of Synchronous Condenser with Different End Structures and Material Properties
Xiaoshuai Bi, Likun Wang, Fabrizio Marignetti, Minghao Zhou
March 28, 2023
Aiming at the problem of end structure heating caused by the excessive eddy current loss of large synchronous condensers used in ultra-high voltage (UHV) power transmission, combined with the actual operation characteristics of the synchronous condenser, a three-dimensional transient electromagnetic field physical model is established, and three schemes for adjusting the end structure of the condenser under rated condition are researched. The original structure has a copper shield and a steel clamping plate. Scheme 1 has no copper shield but has a steel clamping plate. Scheme 2 has no copper shield but has an aluminum clamping plate. By constructing a three-dimensional fluid−solid coupling heat transfer model in the end of the synchronous condenser, and giving the basic assumptions and boundary conditions, the eddy current loss of the structure calculated by the three schemes is applied to the end region of the synchronous condenser as the heat source, and the velocity distribution of the cooling medium and the temperature distribution of each structure under the three different schemes are obtained. In order to verify the rationality of the numerical analysis model and the effectiveness of the calculation method, the temperature of the inner edge of the copper shield in the end of the synchronous condenser is measured, and the temperature calculation results are consistent with the temperature measurement results, which provides a theoretical basis for the electromagnetic design, structural optimization, ventilation and cooling of the synchronous condenser.
Keywords
different materials, eddy current loss, fluid–solid coupling, magnetic flux leakage in the end, synchronous condenser
Subject
Suggested Citation
Bi X, Wang L, Marignetti F, Zhou M. Research on Electromagnetic Field, Eddy Current Loss and Heat Transfer in the End Region of Synchronous Condenser with Different End Structures and Material Properties. (2023). LAPSE:2023.25588
Author Affiliations
Bi X: National Engineering Research Center of Large Electric Machines and Heat Transfer Technology, Harbin University of Science and Technology, Harbin 150080, China
Wang L: National Engineering Research Center of Large Electric Machines and Heat Transfer Technology, Harbin University of Science and Technology, Harbin 150080, China
Marignetti F: DIEI, Department of Electrical and Information Engineering, The University of Cassino and South Lazio, 03043 Cassino, Italy [ORCID]
Zhou M: National Engineering Research Center of Large Electric Machines and Heat Transfer Technology, Harbin University of Science and Technology, Harbin 150080, China
Journal Name
Energies
Volume
14
Issue
15
First Page
4636
Year
2021
Publication Date
2021-07-30
Published Version
ISSN
1996-1073
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Original Submission
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PII: en14154636, Publication Type: Journal Article
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doi:10.3390/en14154636
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