1、 IEC TR 61869-102 Edition 1.0 2014-01 TECHNICAL REPORT Instrument transformers Part 102:Ferroresonance oscillations in substations with inductive voltage transformers IEC TR 61869-102:2014-01(EN)colourinsideCopyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on No
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11、ervice Centre:csciec.ch.Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-27-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.IEC TR 61869-102Edition 1.0 2014-01TECHNICAL REPORT Instrument transformers P
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13、 from an authorized distributor.colourinsideCopyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-27-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.2 TR 61869-102 IEC:2014(E)CONTENTS FOREWORD.5 INTRODUCTIO
14、N.7 1 Scope.8 2 Normative references.8 3 Introduction to ferroresonance oscillations.8 3.1 Definition of ferroresonance.8 3.2 Excitation of steady state and non-steady state ferroresonance oscillations.10 4 Single phase and three phase oscillations.12 4.1 Single phase ferroresonance oscillations.12
15、4.2 The simplified circuit for the single phase ferroresonance oscillations.13 4.3 Capacitive voltage transformers.15 4.4 Three-phase ferroresonance oscillations.15 4.4.1 General.15 4.4.2 Configuration.15 4.4.3 Ferroresonance generation.16 4.4.4 Resulting waveform of ferroresonance oscillation.16 4.
16、4.5 Typical oscillogram of three phase ferroresonance.19 5 Examples of ferroresonance configurations.20 5.1 Single-phase ferroresonance power line field in a 245 kV outdoor substation.20 5.2 Single phase ferroresonance oscillations due to line coupling.22 5.3 Three-phase ferroresonance oscillations.25 6 Inductive voltage transformer(key parts).26 7 The circuit of the single-phase ferroresonance configuration.28 7.1 Schematic diagram.28 7.2 Magnetisation characteristic.29 7.3 Circuit losses.30
