Fast and Perfect Damping of Ferroresonance Oscillations in Coupling Capacitor Voltage Transformers
Publish place: 22nd International Power System Conference
Publish Year: 1386
Type: Conference paper
Language: English
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Document National Code:
PSC22_023
Index date: 5 May 2007
Fast and Perfect Damping of Ferroresonance Oscillations in Coupling Capacitor Voltage Transformers abstract
This paper investigates the effect of two types of the ferroresonance suppression circuits (FSC) on fast suppression of the phenomenon of
ferroresonance in coupling capacitor voltage transformers (CCVT). The magnetizing inductance of step down transformer is precisely modeled for factual simulation of ferroresonance oscillations in CCVT. It will be shown that by means of fine-tuning of suppression circuits using least squares curve fitting method, the transient response of the CCVT during faults and switching incidents can be improved in addition to fast suppression of ferroresonance oscillations. The effect of passive overvoltage protection device on limiting the overvoltages during ferroresonance
oscillations is also investigated.
Fast and Perfect Damping of Ferroresonance Oscillations in Coupling Capacitor Voltage Transformers Keywords:
Fast and Perfect Damping of Ferroresonance Oscillations in Coupling Capacitor Voltage Transformers authors
Badrkhani
Electrical Engineering Department of Tehran University
Sanaye Pasand
Electrical Engineering Department of Tehran University
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