Abstract
Thirty years after the discovery of High Tc Superconductivity (HTS), the power devices based on HTS tapes are finding their applications in electrical engineering, due to their technical advantages such as negligible losses and compact geometries. Power grid authorities of several countries including India are exploring to integrate these devices in conventional power grids. With the recent advances in fabrication of long (km level) HTS tapes and development of efficient cryo-refrigerators (KW capacity), it is expected to realize these superconducting technologies in power sector, in a cost-effective manner. The present review paper describes the working principles and present status of different High Tc superconducting power devices such as HTS Cables, HTS-SMES, HTS-SFCL, HTS motors/generators and HTS Transformers along with their indigenous development.
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