NDLI: Controlling ferroresonance oscillations in potential transformer: Part II

Content Provider	IEEE Xplore Digital Library
Author	Radmanesh, Hamid Fathi, Seyed Hamid Rostami, Mehrdad Kamali, Rozbeh
Copyright Year	2011
Description	Author affiliation: Electrical Engineering Department, Amirkabir University of Technology, Tehran, Iran (Radmanesh, Hamid; Fathi, Seyed Hamid) \|\| Electrical Engineering Department, Shahed University, Tehran-1417953836, Iran (Rostami, Mehrdad) \|\| Electrical Engineering Department, Aeronautical University of Science& Technology, Tehran, Iran (Kamali, Rozbeh)
Abstract	In this work at first ferroresonance phenomenon is introduced and then various type of ferroresonance in a potential transformer (PT) in the case of applying Metal Oxide Surge Arrester (MOSA) in parallel with PT is simulated. Finally effect of neutral earth resistance on the controlling and stabilizing these oscillations is studied. The proposed approach was implemented using MATLAB, and results are presented. It is expected that this resistance generally can cause ferroresonance ‘dropout’. For confirmation this aspect, Simulation is done on a one phase potential transformer rated 100VA, 275kV. The magnetization characteristic of the transformer is modeled by a single-value two-term polynomial with q=7. The simulation results reveal that considering the neutral earth resistance on the system configuration, exhibits a great controlling effect on ferroresonance over voltages. Significant effect on the onset of chaos, the range of parameter values that may lead to chaos along with ferroresonance over voltages has been obtained and presented.
Starting Page	1
Ending Page	5
File Size	1142597
Page Count	5
File Format	PDF
ISBN	9781457707308
e-ISBN	9789644634284
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-05-17
Publisher Place	Iran
Access Restriction	Subscribed
Rights Holder	AmirKabir Univ of Tech
Subject Keyword	Chaos Ferroresonance oscillation Neutral earth resistance Stabilizing Voltage control Chaos control Resistance Earth Potential transformer Voltage transformers MOSA Ferroresonance Mathematical model
Content Type	Text
Resource Type	Article

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