DocumentCode
473204
Title
CT Saturation Correction Based on the Estimated CT Saturation Time Constant
Author
Rebizant, W. ; Wiszniewski, A. ; Schiel, Ludwig
Author_Institution
Wroclaw Univ. of Technol., Warsaw
fYear
2008
fDate
17-20 March 2008
Firstpage
174
Lastpage
179
Abstract
A new method for CT saturation correction is presented that is based on an on-line estimation of the CT magnetizing inductance. The approach adopted is based on numerical solution of the differential equation, which describes the saturated current transformer. The correction procedure proposed has been tested with EMTP-ATP signals proving to be an effective tool for primary current reconstruction.
Keywords
current transformers; differential equations; inductance; CT saturation time constant; EMTP-ATP signal; current transformer saturation correction; differential equation; inductance magnetization; on-line estimation; Circuit faults; Current transformers; Fault currents; Inductance; Magnetic cores; Magnetic flux; Saturation magnetization;
fLanguage
English
Publisher
iet
Conference_Titel
Developments in Power System Protection, 2008. DPSP 2008. IET 9th International Conference on
Conference_Location
Glasgow
ISSN
0537-9989
Print_ISBN
978-0-86341-902-7
Type
conf
Filename
4496980
Link To Document