NDLI: The simulating research on a improved magnetic shielding type of HTSCFCL

Content Provider	IEEE Xplore Digital Library
Author	Zhang Wanying Zhou Youqing Zhao Weiming Zhnag Xuhong Zhu Qing Li Fuhai Li Zhongfa
Copyright Year	2008
Description	Author affiliation: Coll. of Electr. & Inf. Eng., Hunan Univ., Changsha (Zhang Wanying; Zhou Youqing)
Abstract	The magnetic shielding type high temperature superconducting fault current limiter, which mainly consists of a primary copper coil, a high-Tc superconducting cylinder as the secondary winding, an iron core and a sub-cooled nitrogen cryostat with a cryocooler, can reduce both the transient and the steady-state fault current significantly, but, the device will reduce the limiting impedance in the HTSCFCL if the magnetizing flux reached the saturation point in the magnetic path having no air gap. A improved magnetic shielding type high temperature superconducting fault current limiter is developed and analysized in the paper. The limiter mainly consists of a copper coil, a superconducting cylinder, a control copper ring, an air gap and the three-legged magnetic core. The copper coil on a superconducting cylinder for generating an AC magnetic field, the superconducting cylinder for shielding the field, the control copper ring for controlling fault currents and the air gap in the three-legged magnetic core for avoiding magnetic saturation under the higher current. The simulation results show the limiter can make the time for recovery shorter, and effectively avoid the reduction of a limiting impedance in the HTSCFCL if the magnetizing flux reached the saturation point.
Starting Page	1598
Ending Page	1602
File Size	654103
Page Count	5
File Format	PDF
ISBN	9787900714138
DOI	10.1109/DRPT.2008.4523660
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-04-06
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	DRPT
Subject Keyword	Magnetic shielding Superconducting coils High temperature superconductors Copper Magnetic flux Saturation magnetization Superconducting magnets Magnetic cores Fault current limiters Fault currents short-circuit current magnetic shielding type HTSCFCL improved superconducting cylinder magnetic shielding simulation
Content Type	Text
Resource Type	Article

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