Abstract
In a power system, fault currents are on the rise and are becoming a common problem. Moreover, several methods for the restriction of fault currents can lead to the instability of power system. In the Republic of Korea, the Korea Electrotechnology Research Institute is carrying out the development of a 154 kV class high temperature superconductor (HTS) cable with a fault current limiting function since May 2017. In this project, a novel inductive type fault current limiting (IFCL) HTS power cable is proposed. This paper presents the design of an IFCL-HTS cable for a transmission system, whose principle is based on change in the distribution of magnetic fields around the cable using a quench of HTS shield layer. The results of the design and simulation for performance prediction are discussed in detail.
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