Performance test of a 100 kW HTS generator operating at 67 K–77 K


Wen, Huaming, Bailey, W., Goddard, K., Al-Mosawi, M., Beduz, C. and Yang, Yifeng (2009) Performance test of a 100 kW HTS generator operating at 67 K–77 K. IEEE Transactions on Applied Superconductivity, 19, (3), 1652-1655. (doi:10.1109/TASC.2009.2017832).

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Description/Abstract

A systematic test program is in progress to fully characterize a 100 kW HTS synchronous generator which was successfully constructed in 2004. The machine was one of the first HTS synchronous generator/motors to operate at liquid nitrogen temperatures while achieving a power rating relevant to practical application. It has a conventional 3-phase stator and a cold rotor with a magnetic core and a superconducting winding consisting of 10 HTS Bi2223 pancake coils separated by magnetic flux diverters. The test program includes a series of tests at various speeds, field currents and temperatures (65 K-77 K) with the machine in open circuit to determine the critical currents of the HTS rotor, the waveform and harmonic characteristics of generated voltage at different levels of iron saturation. Stationary measurements of the rotor critical current are carried out using dc current in the stator windings to quantify the influence of stator field on the performance of the superconducting winding. The voltages and temperatures of the rotor are measured using a radio frequency telemetry system

Item Type: Article
ISSNs: 1051-8223 (print)
1558-2515 (electronic)
Keywords: bscco coils, hts motor, high temperature superconducting coils, rotating superconducting machines, superconducting generators and motors, superconducting power machines
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: University Structure - Pre August 2011 > School of Electronics and Computer Science
University Structure - Pre August 2011 > School of Engineering Sciences > Thermofluids and Superconductivity
ePrint ID: 79784
Date Deposited: 19 Mar 2010
Last Modified: 27 Mar 2014 19:02
URI: http://eprints.soton.ac.uk/id/eprint/79784

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