A low voltage, mains frequency, partial core, high temperature, superconducting transformer (2005)
A high temperature super-conducting transformer (HTST) has been built. It has been designed to operate in liquid nitrogen, an environmentally benign element that represents little fire and personnel safety risk. The transformer is based on the concept of a partial or open core, where the magnetic circuit is incomplete. The partial core was a slug of laminated silicon steel. This concept has been the result of intensive study and the development of analytical models that have allowed a design somewhat different than what has been attempted elsewhere in the world of superconducting transformers. The transformer was designed purely as a device to prove that the concept works, rather than as a unit that would be put into service. The transformer windings were configured to allow different arrangements, namely internal primary, external primary and autotransformer. The nominal ratings are single phase, 50 Hz, 15kVA, 230V:115V.
CitationBodger, P., Enright, W., Ho, V. (2005) A low voltage, mains frequency, partial core, high temperature, superconducting transformer. Hobart, Australia: 2005 Australasian Universities Power Engineering Conference (AUPEC) Conference, 25-28 Sep 2005. 6 pp.
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ANZSRC Fields of Research09 - Engineering::0906 - Electrical and Electronic Engineering::090601 - Circuits and Systems
51 - Physical sciences::5104 - Condensed matter physics::510404 - Electronic and magnetic properties of condensed matter; superconductivity
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Lapthorn, A.; Bodger, P. (University of Canterbury. Electrical and Computer Engineering, 2010)This paper presents a modelling technique for calculating the ac losses for a high temperature superconducting partial core transformer using Bi2223 superconducting tape. The model is a function of the current in the ...
Sham, J.K.; Bodger, P. (University of Canterbury. Electrical and Computer EngineeringUniversity of Canterbury. Electric Power Engineering Centre, 2013)This paper presents a HTS partial core transformer-fault current limiter that was designed and built at the University of Canterbury. The transformer was tested under no load, short circuit and full load conditions, ...
Lapthorn, A.; Chew, I.; Bodger, P.; Enright, W. (University of Canterbury. Electrical and Computer Engineering, 2010)In 2005, the development of a 50Hz, 15kVA, 30V:115V partial core high temperature superconductor (HTS) transformer was completed. The transformer was designed purely as a proof of concept, rather than as a unit that would ...