Title :
Modeling of potential transformers in gas insulated substation for the very fast transient simulation
Author :
Zhongyuan, Zbang ; Gui-Shu, Liang ; Xiang, Cui
Author_Institution :
Dept. of EE, North China Electr. Power Univ., Heibei, China
Abstract :
A high frequency (>10 MHz) circuit model for an inductive potential transformer in GIS is set up. First, the transfer function model for the PT is set up by means of vector fitting based on testing data. Second, the order of the transfer function is reduced according to the practical needs. At last, a special method of RLC synthesis for transfer function is used to set up the circuit model of PT. The proposed method for modeling of high frequency PT is simple, effective and general and can be used to the modeling of any kind of instrument transformer as well.
Keywords :
frequency response; gas insulated substations; potential transformers; transfer functions; transients; GIS; RLC synthesis; gas insulated substation; high frequency circuit model; inductive potential transformer; instrument transformer; model order reduction; potential transformers; transfer function model; transient simulation; vector fitting; Circuit simulation; Circuit testing; Frequency; Gas insulation; Geographic Information Systems; Power transformer insulation; RLC circuits; Substations; Transfer functions; Voltage transformers;
Conference_Titel :
Electromagnetic Compatibility, 2003. EMC '03. 2003 IEEE International Symposium on
Print_ISBN :
0-7803-7779-6
DOI :
10.1109/ICSMC2.2003.1428252
