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BSI PD IEC TR 63363-1:2022

BSI PD IEC TR 63363-1:2022

$198.66

Performance of voltage sourced converter (VSC) based high-voltage direct current (HVDC) transmission – Steady-state conditions

Published By Publication Date Number of Pages
BSI 2022 64
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PDF Catalog

PDF Pages PDF Title
2 undefined
4 CONTENTS
8 FOREWORD
10 INTRODUCTION
11 1 Scope
2 Normative references
12 3 Terms, definitions, and abbreviated terms
3.1 Terms and definitions
13 3.2 Abbreviated terms
14 4 Classifications of VSC HVDC systems
4.1 General
4.2 Symmetrical monopolar HVDC system
15 4.3 Asymmetrical monopolar HVDC system
4.3.1 General
4.3.2 ASMP with earth return
4.3.3 ASMP with metallic return
Figures
Figure 1 – Symmetrical monopolar VSC HVDC system
Figure 2 – Asymmetrical monopolar VSC HVDC system with earth return
Figure 3 – Asymmetrical monopolar VSC HVDC system with metallic return
16 4.4 Bipolar HVDC system
4.4.1 General
4.4.2 Bipolar HVDC with earth return
4.4.3 Rigid bipolar configuration
Figure 4 – Bipolar VSC HVDC system with earth return
17 4.4.4 Bipolar HVDC with dedicated metallic return
4.5 Back-to-back HVDC system
4.6 Interface transformer arrangements
Figure 5 – Rigid bipolar VSC HVDC system
Figure 6 – Bipolar HVDC system with dedicated metallic return
18 4.7 Switching and reconfiguration
4.7.1 Converter station and DC yard switching
19 4.7.2 Transition station switching
Figure 7 – DC switching of line conductors
20 4.7.3 Connecting multiple converters
Figure 8 – DC switching – Overhead line to cable
21 Figure 9 – Examples of VSC HVDC system with two converter units per pole
24 4.7.4 DC gas-insulated metal enclosed switchgear (DC GIS)
5 Environmental information
Table 1 – Information supplied for HVDC substation
26 6 Rated power, current and voltage
6.1 Rated power
6.2 Rated DC current
27 6.3 Rated DC voltage
7 Steady-state operation
7.1 General
7.2 PQ diagram
28 7.3 UQ diagram
Figure 10 – Example of PQ diagram of the VSC converter
29 7.4 Reactive power exchange
Figure 11 – Example of UQ diagram of the VSC converter
30 8 Overload and equipment capability
8.1 Overload
8.2 Equipment capability
8.2.1 General
Figure 12 – Reactive power exchanges of the VSC converter station at PCC
31 8.2.2 Converter valve capability
8.2.3 Capability of oil-cooled transformers and dry type reactors
8.2.4 Capability of other converter station equipment
9 Converter station types and operation modes
9.1 Converter station types
32 Figure 13 – AC/DC converter station types in the U/I diagram
33 9.2 Operation modes
9.2.1 Reduced direct voltage operation
9.2.2 Full direct voltage operation
9.2.3 Operating sequences
34 Figure 14 – Operating sequence transitions of the VSC HVDC system
35 10 AC system
10.1 General
36 10.2 AC voltage
10.2.1 Steady-state voltage range
10.2.2 Negative sequence voltage
10.3 Frequency
10.3.1 Rated frequency
10.3.2 Steady-state frequency range
10.3.3 Short-term frequency variation
37 10.3.4 Frequency variation during emergency
10.4 AC voltage and frequency operation ranges
10.5 System impedance
Figure 15 – Example of the AC grid voltage and frequency operation ranges
38 10.6 Positive and zero-sequence surge impedance
10.7 Other sources of harmonics
11 Reactive power
11.1 General
11.2 VSC HVDC systems
39 12 HVDC transmission line, earth electrode line and earth electrode
12.1 General
12.2 Overhead line(s)
12.2.1 General
12.2.2 Electrical parameters
40 12.3 Cable(s)
12.3.1 General
12.3.2 Electrical parameters
41 12.4 Transmission line combined with overhead line and cable section
12.5 Electrode line
12.6 Earth electrode
12.7 Gas insulated line
13 Reliability
14 HVDC control
14.1 General
42 14.2 Control objectives
14.3 Control structure
14.3.1 General
43 14.3.2 HVDC bipole/station control
Figure 16 – Hierarchical structure of an HVDC control system
44 14.3.3 HVDC pole control
45 14.3.4 Converter and valve control
14.4 Measurement
Figure 17 – HVDC pole control
46 15 Telecommunication
15.1 Types of telecommunication links
15.2 Classification of data to be shared
15.3 Fast response telecommunication
47 16 Auxiliary systems
16.1 General
16.2 Electrical auxiliary system
16.2.1 General
16.2.2 Auxiliary power supplies
48 16.2.3 Batteries and uninterruptible power supplies (UPS)
16.2.4 Emergency supply
49 16.3 Mechanical auxiliary system
50 17 Audible noise
17.1 General
17.2 Public nuisance
17.2.1 Valves and valve coolers
17.2.2 Interface transformers
17.2.3 Reactors
51 17.3 Noise in working areas
18 AC side harmonics
18.1 General
52 18.2 Harmonic sources
18.2.1 General
18.2.2 Converter generated harmonics
18.2.3 Pre-existing network harmonics
Figure 18 – Harmonic contribution by the VSC converter
53 18.3 Total harmonic distortion
19 DC side harmonics
19.1 General
Figure 19 – Amplification of the pre-existing network harmonics
54 19.2 Coupling between parallel AC and DC circuits
Figure 20 – Example of separate AC and DC tower configurations
55 20 Power line carrier (PLC) interference
20.1 General
Figure 21 – Example of hybrid AC and DC tower configuration
56 20.2 Performance specification
21 Radio frequency interference
21.1 General
21.2 RFI from HVDC systems
21.2.1 RFI sources
57 21.2.2 RFI propagation
22 Power losses
58 Annex A (informative)Fundamental PQ equations of the VSC converter station
Figure A.1 – Simple configuration of the VSC converter station to AC grid
59 Figure A.2 – Example of power-circle diagrams of the VSC converter
60 Annex B (informative)Reactive power exchange of the VSC converter station
Figure B.1 – Simplified equivalent AC grid at PCC of the VSC converter station
61 Bibliography

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BSI PD IEC TR 63363-1:2022
$198.66