1、 IEC TR 62001-3 Edition 1.0 2016-09 TECHNICA L R EPOR T High-voltage direct current(HVDC)systems Guidance to the specification and design evaluation of A C filters Part 3:Modelling IEC T R 62001-3:2016-09(en)c olourinsideInternational Electrotechnical Commission THIS PUBLICATION IS COPYRIGHT PROTECT
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11、voltage direct current(HV DC)systems Guidance to the specification and design evaluation of A C filters Part 3:Modelling INTER NA TIONAL ELECTROTECHNICAL COMMISSION ICS 29.200 ISBN 978-2-8322-3655-0 Registered t rademark of t he Int ernational Electrot echnical Commission W arning!Make sure that you
12、 obtained this publication from an authorized distributor.c olourinsideInternational Electrotechnical Commission 2 IEC TR 62001-3:2016 IEC 2016 CONTENTS FOREWORD.7 INTRODUCTION.9 1 Scope.10 2 Normative ref erences.10 3 Harmonic interaction across converters.10 3.1 General.10 3.2 Practical experience
13、 of problems.11 3.3 Indicators of where harmonic interaction is signif icant.13 3.4 Interaction phenomena.14 3.5 Impact on AC f ilter design.15 3.5.1 General.15 3.5.2 AC side third harmonic.15 3.5.3 Direct current on the AC side.16 3.5.4 Characteristic harmonics.16 3.6 General overview of modelling
14、techniques.16 3.6.1 General.16 3.6.2 Time domain AC-DC-AC interaction model.18 3.6.3 Frequency domain AC-DC-AC interaction model.19 3.6.4 Frequency domain AC-DC interaction model.19 3.6.5 Frequency domain current source model.19 3.7 Interaction modelling.20 3.7.1 General.20 3.7.2 Coupling between ne
15、tworks.20 3.7.3 Driving f orces.21 3.7.4 System harmonic impedances.22 3.8 Study methods.22 3.8.1 Frequency domain.22 3.8.2 Time domain.22 3.9 Composite resonance.23 3.10 Core saturation instability.23 3.11 Particular considerations f or back-to-back converters.23 3.12 Issues to be considered in the
16、 design process.24 3.12.1 General.24 3.12.2 Fundamental f requency and load issues.24 3.12.3 Negative phase sequence.25 3.12.4 Pre-existing harmonic distortion.26 3.12.5 AC network impedance.27 3.12.6 Converter control system.28 3.12.7 Combination with classic harmonic generation.29 3.12.8 Relative magnitude of pairs of low-order harmonics.29 3.12.9 Superposition of contributions.30 3.13 Parallel AC lines and converter transf ormer saturation.30 3.14 Possible countermeasures.32 3.14.1 AC(and/or
