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    Abstract
2014 (Vol. 7, Issue: 9)
Article Information:

Ferroresonance Study on the VT in the Karoon 4 Power Plant 400 kV GIS Substation

Seyed Mohammad Hassan Hosseini and Yasertoghaniholari
Corresponding Author:  Seyed Mohammad Hassan Hosseini 

Key words:  FDSD, ferroresonance, Gas Insulated Substation (GIS), Voltage Transformers (VT), ZD, ,
Vol. 7 , (9): 1721-1728
Submitted Accepted Published
January 02, 2013 February 22, 2013 March 05, 2014
Abstract:

The main subject of the essay is study of ferroresonance in the voltage transformers at 400 kV GIS substation. Ferroresonance has destructive effects such as, undulations of high voltages, warming of transformers, increasing of heat, temperature increasing and damaging voltage transformers, high noise due to evolution due to magnet and bad working of protective instruments. So we have to apply limitations on system parameters to avoid such an undesirable phenomenon like this. In this study ferroresonance phenomenon on VTs of real GIS substation (karon 4 power plant had been studied. With regarding high risk of ferroresonance due to studied substation conditions, damping circuit (FDSD, ZD) had been designed with help of EMTP-RV and the results are presented in two conditions of being without damping and by using of damping in the circuit. The results show damping circuit is successful in obviation of these dangerous oscillations.
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  Cite this Reference:
Seyed Mohammad Hassan Hosseini and Yasertoghaniholari, 2014. Ferroresonance Study on the VT in the Karoon 4 Power Plant 400 kV GIS Substation.  Research Journal of Applied Sciences, Engineering and Technology, 7(9): 1721-1728.
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ISSN (Online):  2040-7467
ISSN (Print):   2040-7459
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