Analysis of Electromagnetic Transients in Secondary Circuits due to Disconnector Switching in 400 kV Air-Insulated Substation (CROSBI ID 198502)
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Filipović-Grčić, Božidar ; Uglešić, Ivo ; Milardić, Viktor ; Filipović-Grčić, Dalibor
engleski
Analysis of Electromagnetic Transients in Secondary Circuits due to Disconnector Switching in 400 kV Air-Insulated Substation
This paper describes the electromagnetic transients caused by disconnector switching in 400 kV air-insulated substation. Transient overvoltages in the secondary circuits of capacitor voltage transformer (CVT) have been calculated using the EMTP-ATP software. The transfer of electromagnetic transients through substation’s grounding grid has been analyzed in order to determine the overvoltages at the terminals of protective relays located in the control (relay) room. The overvoltages in secondary circuits have been recorded during on- site test.
disconnector switching ; electromagnetic transients ; secondary circuits ; capacitor voltage transformer ; transferred overvoltages
Journal Impact Factor from JCR Database (2012): 1.694 ; Category Name: Engineering, Electircal & Electronic ; Journal Rank in Category: 70 ; Quartile in Category: Q2 ; S.I. odabrane prezentacije sa skupa The 10th International Conference on Power System Transients (IPST).
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