The Thermal Performance of a 1.5 MVA HTS Generator

J. A. Urbahn; R. A. Ackermann; X. Huang; E. T. Laskaris; K. Sivasubramaniam; A. Steinbach

doi:10.1063/1.1774763

The Thermal Performance of a 1.5 MVA HTS Generator

J. A. Urbahn
, R. A. Ackermann
, X. Huang
, E. T. Laskaris
, K. Sivasubramaniam
, A. Steinbach

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

A 1.5-MVA high temperature superconducting (HTS) generator of novel design has been designed, built and successfully tested by the General Electric Company. The 1.5- MVA generator has served as the engineering prototype for a much larger 100-MVA beta unit now under design. The HTS coil in the 1.5 - MVA demonstrator is designed to operate in the range of 20-40 K and is cooled with a closed-cycle helium refrigeration system employing GM type cryocoolers. This paper will discuss the calculation of the thermal loads to the rotor from all anticipated sources. These sources include conduction losses through the coil suspension system, radiative heat loads to the cold-system components, residual gas conduction losses, helium-transfer coupling losses and lead losses. These predicted losses were compared to those measured during actual electrical testing of the rotor at 3600 RPM in order to validate the predictive calculations employed for the 100 MVA machine.

Original language	English (US)
Title of host publication	Advances in Cryogenic Engineering
Subtitle of host publication	Transactions of the Cryogenic Engineering Conference - CEC
Editors	John Pfotenhauer, Steven Van Sciver, Albert Zeller, Jonathan Demko, Christopher Rey, John G. Weisend II, John Barclay, Michael DiPirro, Quan-Sheng Shu, Peter Kittel, Edward Daly, John R. Hull, Jennifer Lock, Joseph Waynert, Susan Breon, James Maddocks, John Zbasnik, Patrick J. Kelley, Arkadiy Klebaner
Publisher	American Institute of Physics Inc.
Pages	849-858
Number of pages	10
ISBN (Electronic)	0735401861
DOIs	https://doi.org/10.1063/1.1774763
State	Published - Jun 23 2004
Externally published	Yes
Event	2003 Cryogenic Engineering Conference, CEC 2003 - Anchorage, United States Duration: Sep 22 2003 → Sep 26 2003

Publication series

Name	AIP Conference Proceedings
Volume	710
ISSN (Print)	0094-243X
ISSN (Electronic)	1551-7616

Other

Other	2003 Cryogenic Engineering Conference, CEC 2003
Country/Territory	United States
City	Anchorage
Period	9/22/03 → 9/26/03

ASJC Scopus subject areas

General Physics and Astronomy

Online availability

10.1063/1.1774763

Library availability

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Urbahn, J. A., Ackermann, R. A., Huang, X., Laskaris, E. T., Sivasubramaniam, K., & Steinbach, A. (2004). The Thermal Performance of a 1.5 MVA HTS Generator. In J. Pfotenhauer, S. Van Sciver, A. Zeller, J. Demko, C. Rey, J. G. Weisend II, J. Barclay, M. DiPirro, Q.-S. Shu, P. Kittel, E. Daly, J. R. Hull, J. Lock, J. Waynert, S. Breon, J. Maddocks, J. Zbasnik, P. J. Kelley, & A. Klebaner (Eds.), Advances in Cryogenic Engineering: Transactions of the Cryogenic Engineering Conference - CEC (pp. 849-858). (AIP Conference Proceedings; Vol. 710). American Institute of Physics Inc.. https://doi.org/10.1063/1.1774763

The Thermal Performance of a 1.5 MVA HTS Generator. / Urbahn, J. A.; Ackermann, R. A.; Huang, X. et al.
Advances in Cryogenic Engineering: Transactions of the Cryogenic Engineering Conference - CEC. ed. / John Pfotenhauer; Steven Van Sciver; Albert Zeller; Jonathan Demko; Christopher Rey; John G. Weisend II; John Barclay; Michael DiPirro; Quan-Sheng Shu; Peter Kittel; Edward Daly; John R. Hull; Jennifer Lock; Joseph Waynert; Susan Breon; James Maddocks; John Zbasnik; Patrick J. Kelley; Arkadiy Klebaner. American Institute of Physics Inc., 2004. p. 849-858 (AIP Conference Proceedings; Vol. 710).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Urbahn, JA, Ackermann, RA, Huang, X, Laskaris, ET, Sivasubramaniam, K & Steinbach, A 2004, The Thermal Performance of a 1.5 MVA HTS Generator. in J Pfotenhauer, S Van Sciver, A Zeller, J Demko, C Rey, JG Weisend II, J Barclay, M DiPirro, Q-S Shu, P Kittel, E Daly, JR Hull, J Lock, J Waynert, S Breon, J Maddocks, J Zbasnik, PJ Kelley & A Klebaner (eds), Advances in Cryogenic Engineering: Transactions of the Cryogenic Engineering Conference - CEC. AIP Conference Proceedings, vol. 710, American Institute of Physics Inc., pp. 849-858, 2003 Cryogenic Engineering Conference, CEC 2003, Anchorage, United States, 9/22/03. https://doi.org/10.1063/1.1774763

Urbahn JA, Ackermann RA, Huang X, Laskaris ET, Sivasubramaniam K, Steinbach A. The Thermal Performance of a 1.5 MVA HTS Generator. In Pfotenhauer J, Van Sciver S, Zeller A, Demko J, Rey C, Weisend II JG, Barclay J, DiPirro M, Shu QS, Kittel P, Daly E, Hull JR, Lock J, Waynert J, Breon S, Maddocks J, Zbasnik J, Kelley PJ, Klebaner A, editors, Advances in Cryogenic Engineering: Transactions of the Cryogenic Engineering Conference - CEC. American Institute of Physics Inc. 2004. p. 849-858. (AIP Conference Proceedings). doi: 10.1063/1.1774763

Urbahn, J. A. ; Ackermann, R. A. ; Huang, X. et al. / The Thermal Performance of a 1.5 MVA HTS Generator. Advances in Cryogenic Engineering: Transactions of the Cryogenic Engineering Conference - CEC. editor / John Pfotenhauer ; Steven Van Sciver ; Albert Zeller ; Jonathan Demko ; Christopher Rey ; John G. Weisend II ; John Barclay ; Michael DiPirro ; Quan-Sheng Shu ; Peter Kittel ; Edward Daly ; John R. Hull ; Jennifer Lock ; Joseph Waynert ; Susan Breon ; James Maddocks ; John Zbasnik ; Patrick J. Kelley ; Arkadiy Klebaner. American Institute of Physics Inc., 2004. pp. 849-858 (AIP Conference Proceedings).

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abstract = "A 1.5-MVA high temperature superconducting (HTS) generator of novel design has been designed, built and successfully tested by the General Electric Company. The 1.5- MVA generator has served as the engineering prototype for a much larger 100-MVA beta unit now under design. The HTS coil in the 1.5 - MVA demonstrator is designed to operate in the range of 20-40 K and is cooled with a closed-cycle helium refrigeration system employing GM type cryocoolers. This paper will discuss the calculation of the thermal loads to the rotor from all anticipated sources. These sources include conduction losses through the coil suspension system, radiative heat loads to the cold-system components, residual gas conduction losses, helium-transfer coupling losses and lead losses. These predicted losses were compared to those measured during actual electrical testing of the rotor at 3600 RPM in order to validate the predictive calculations employed for the 100 MVA machine.",

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N2 - A 1.5-MVA high temperature superconducting (HTS) generator of novel design has been designed, built and successfully tested by the General Electric Company. The 1.5- MVA generator has served as the engineering prototype for a much larger 100-MVA beta unit now under design. The HTS coil in the 1.5 - MVA demonstrator is designed to operate in the range of 20-40 K and is cooled with a closed-cycle helium refrigeration system employing GM type cryocoolers. This paper will discuss the calculation of the thermal loads to the rotor from all anticipated sources. These sources include conduction losses through the coil suspension system, radiative heat loads to the cold-system components, residual gas conduction losses, helium-transfer coupling losses and lead losses. These predicted losses were compared to those measured during actual electrical testing of the rotor at 3600 RPM in order to validate the predictive calculations employed for the 100 MVA machine.

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The Thermal Performance of a 1.5 MVA HTS Generator

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