IEEE 1124 : 2003
Withdrawn
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GUIDE FOR ANALYSIS AND DEFINITION OF DC SIDE HARMONIC PERFORMANCE OF HVDC TRANSMISSION SYSTEMS
10-17-2023
09-05-2003
1. Overview
1.1 Scope
1.2 Purpose
2. References
3. Explanation of terms
3.1 DC harmonics
3.2 Ideal converter
3.3 Harmonic order
3.4 Characteristic/noncharacteristic harmonics
3.5 Triplen harmonics
3.6 Equivalent disturbing current (I[eq])
3.7 Harmonic performance
3.8 DC harmonic filtering system
3.9 Induced noise/interference
3.10 Inductive coordination
3.11 Ground resistivity
3.12 System imbalances
3.13 Bipolar mode of operation
3.14 Monopolar mode of operation
3.15 Sequence components
3.16 C message weighting
3.17 Circuit noise (noise-metallic)
3.18 Longitudinal noise
3.19 Noise-to-ground
3.20 Power influence (PI)
3.21 Longitudinal balance
4. General methodology
4.1 Pre-specification studies
4.2 Power system studies
4.3 Communication and coordination studies
4.4 Commissioning studies
4.5 In-service studies
5. DC harmonics
5.1 Introduction
5.2 Behavior of an ideal converter
5.3 Modeling of converter for dc harmonic analysis
5.4 Calculation of harmonic driving voltages
5.5 Calculation of harmonic currents
5.6 Harmonic current flow
6. Induced noise analysis
6.1 Basic theory
6.2 Equivalent disturbing current
6.3 Calculation of mutual impedance
6.4 Calculation of frequency dependency (H[n])
6.5 Application of the equivalent disturbing current
method
7. Mitigation
7.1 Introduction
7.2 Mitigation methods
7.3 Mitigation examples
8. DC filter performance specification
8.1 Description of the dc system
8.2 Basic data to be considered for harmonic calculation
8.3 Methods for harmonic calculation
8.4 Performance requirements
8.5 Bid information
8.6 DC-side harmonic field measurement
9. HVDC filter performance measurements
9.1 Test probes
9.2 Direct measurement of current
9.3 Measurement of driving voltages
10. Review of specification and performance of dc filters for
the recent HVDC projects
10.1 Filter performance specification
10.2 Performance values actually agreed
10.3 Performance values actually measured with the system
in operation
10.4 Mitigation methods used to solve interference
problems
Annex A (informative) Bibliography
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