NDLI: Probabilistic framework for vulnerability analysis of coupling capacitor voltage transformer to ferroresonance phenomenon

Content Provider	IET Digital Library
Author	Tajdinian, Mohsen Allahbakhshi, Mehdi Behdani, Behzad Behi, Donya Goodarzi, Ali
Abstract	The performance of measurement transformers especially in transient phenomena affects the monitoring, control and protective devices. Coupling capacitor voltage transformer (CCVT) is a measurement transformer that may experience ferroresonance phenomenon due to the presence of capacitors and non-linear reactors. This study provides a probabilistic framework for investigation of ferroresonance phenomenon in CCVT. The aim of this investigation is to find out the area of the power system in which a CCVT is highly prone to experience ferroresonance phenomenon. Also through this framework the behaviour of the different types of ferroresonance suppression circuits and possible solutions to avoid or reduce the chance of ferroresonance will be discussed. The effects of several factors such as switching moment, different fault type and the fault inception angle are investigated. The investigation will be conducted considering the effects of single-pole auto-reclosing, three-pole auto-reclosing and capacitor failure in the CCVT. As shown in the simulation results, the presented framework can provide some useful information regarding the exposure level and severity of CCVT ferroresonance in the system.
Starting Page	344
Ending Page	351
Page Count	8
ISSN	17518822
Volume Number	14
e-ISSN	17518830
Issue Number	Issue 3, May (2020)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-smt/14/3
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-smt.2019.0285
Journal	IET Science, Measurement & Technology
Publisher Date	2019-11-11
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Capacitor Capacitor Failure CCVT Ferroresonance Coupling Capacitor Voltage Transformer Ferroresonance Ferroresonance Phenomenon Ferroresonance Suppression Circuit Ferroresonant Circuit Measurement Transformer Other Power Apparatus And Electric Machine Overvoltage Protection Potential Transformer Power Capacitor Power System Protection Power Transformer Power Transmission Fault Power Transmission Line Power Transmission Protection Probabilistic Framework Protective Device Transformer And Reactors
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Electrical and Electronic Engineering

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