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http://dx.doi.org/10.9714/psac.2020.22.3.001

Performance analysis of a 746 W HTS generator equipped with 70 A class contactless superconducting field exciter  

Chae, Yoon Seok (Department of Electrical Engineering, Jeju National University)
Kim, Ho Min (Department of Electrical Engineering, Jeju National University)
Publication Information
Progress in Superconductivity and Cryogenics / v.22, no.3, 2020 , pp. 1-6 More about this Journal
Abstract
This paper presents the analysis results on the electrical output performance characteristics of a 746 W high temperature superconducting generator (HTSG). The HTS field winding is charged by non-contact excitation method, i.e., contactless superconducting field exciter (CSFE) which is originated by rotary flux pump based on permanent magnet. In this paper, the preliminary current charging test was carried out using a 70 A CSFE to evaluate the performance of field exciter and analyze its non-contact excitation characteristics for the full-scale HTS field winding of the 746 W HTSG. First, the various contactless current-charging tests were conducted using assembly with HTS field winding and CSFE. Then, in order to estimate the output power performance characteristics of the 746 W HTSG, finite element analysis was conducted based on field excitation information which is experimentally measured under various operating conditions. Finally, the electrical output characteristics in no-load and load models were simulated by two-dimensional transient solver in ANSYS electromagnetics 19.0 release.
Keywords
contactless superconducting field exciter; finite element analysis; high temperature superconducting generator; high temperature superconducting field winding;
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Times Cited By KSCI : 3  (Citation Analysis)
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