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GB/T 22389-2023Metal-oxide surge arresters without gaps for HVDC converter stations (English PDF)

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

December 28, 2023

Implementation date

April 1, 2024

Scope

GB/T 22389-2023 (Metal-oxide surge arresters without gaps for HVDC converter stations) is available as an English-translated PDF.

GB/T 22389-2023 — This document stipulates the marking and classification, operating conditions, technical requirements and tests of gapless metal oxide arresters in high-voltage DC converter stations: Methods etc: This document is suitable for limiting overvoltage of two-terminal, multi-terminal and back-to-back high-voltage direct current (HVDC) converter stations of ±1100kV and below: Designed porcelain jacket, composite jacket and GIS (DC bus and DC line/cable) gapless metal oxide surge arresters: This document does not include electrical Lightning arrester for pressure source type converter:

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Document preview — GB/T 22389-2023

National Standard of the People's Republic of China

ICS: 29.080.99
Classification: K 49
Replacing: GB/T 22389-2008

Issued by: State Administration for Market Regulation, China National Standardization Administration

Preface
1 Scope
2 Normative references
3 Terms and Definitions
4 Typical HVDC converter station schematic diagram, arrester type, installation location and operating voltage
5 Logo and classification
5.1 Lightning arrester marking
5.2 Lightning arrester classification
6 Operating conditions
6.1 Normal operating conditions 13
6.2 Abnormal operating conditions
7 Technical requirements
7.1 Insulation resistance
7.2 Reference voltage
7.3 Residual pressure
7.4 Partial discharge 15
7.5 Sealing performance 15
7.6 Current distribution
7.7 Long-term stability 15
7.8 Repeated charge transfer tolerance
7.9 Action load test
7.10 Short circuit performance 15
7.11 Internal voltage equalizing component
7.12 Mechanical load
7.13 Electromagnetic compatibility 16
7.14 End of life 16
7.15 Continuous current
7.16 Leakage current at 0:75 times DC reference voltage
7.17 High current surge withstand 17
7.18 Contamination resistance 17
7.19 Appearance requirements for composite jackets
7.20 Weathering aging test
7.21 GIS arrester housing requirements
7.22 Rated density (rated pressure) and minimum operating density (minimum operating pressure) of GIS arrester insulating gas
7.23 GIS arrester insulating gas requirements
7.24 GIS arrester transportation vibration performance
7.25 Packaging, transportation and storage 18
8 Test requirements
8.1 Measuring equipment and accuracy 18
8.2 Test sample
9 Type test (design test)
9.1 General
9.2 Insulation withstand test
9.3 Short circuit test
9.4 Partial discharge test
9.5 Mechanical load test
9.6 Environmental test
9.7 Weathering aging test
9.8 Sealing test
9.9 Radio interference voltage (RIV) test
9.10 Residual pressure test
9.11 Long-term stability test
9.12 Repeated charge transfer test
9.13 Heat dissipation characteristic test
9.14 Action load test
9.15 Internal component insulation withstand test
9.16 Test of internal voltage equalizing components
9.17 Power frequency reference voltage test
9.18 DC reference voltage test
9.19 Leakage current test at 0:75 times DC reference voltage
9.20 Large current impulse withstand test
9.21 Unified creepage distance inspection
9.22 Current distribution test
9.23 Continuous current test
9.24 Appearance inspection of composite jacket
10 Routine tests, acceptance tests, sampling tests and periodic tests
10.1 Routine testing
10.2 Acceptance test
10.3 Sampling test
10.4 Periodic testing
11 Test requirements for different types of arresters
11.1 General
11.2 Valve arrester (V)
11.3 Bridge arresters and HV and LV converter arresters (B, CH, CL)
11.4 Converter arrester (C)
11.5 Midpoint DC bus arrester, bridge midpoint arrester and inter-converter arrester (M, MH, ML, CM)
11.6 Converter DC bus arrester (CB)
11.7 DC bus and DC line/cable arresters (DB, DL/DC)
11.8 Neutral bus arrester (EB, E1, E)
11.9 DC and AC filter arresters (FA, FD)
11.10 Ground pole and metal return arrester (EL, EM)
11.11 Smoothing reactor and arrester (DR)
11.12 Capacitor arrester (CC)
11.13 Transformer valve side arrester (T)
Appendix A (informative) This document is compared with the regulation number of IEC 60099-9:2014
Appendix B (informative) The main technical differences between this document and IEC 60099-9:2014 and their reasons
Appendix C (Normative) Mechanical Test
Appendix D (informative) Packaging, transportation and storage
Appendix E (Normative) Thermal Equivalence Test
Appendix F (Normative) Thermal stability test starting temperature
Appendix G (informative) Configuration of different loops
Appendix H (informative) Typical arrester parameters for DC projects
Reference
Figure 1 Single-pole schematic diagram of a typical converter station with dual 12-pulse converters
Figure 2 Single-pole schematic diagram of a typical converter station with a single 12-pulse converter
Figure 3 Schematic diagram of a typical capacitor-commutated converter (CCC) with dual 12-pulse converter 10
Figure 4 Typical continuous operating voltages of different types of arresters in the low-frequency model (see Figures 1 to 3 for specific locations, base frequency 50Hz)
Figure 5 Typical continuous operating voltages of different types of arresters in the high-frequency model (see Figures 1 to 3 for specific locations, base frequency 50Hz)
Figure 6 Thermal engine test
Figure 7 Arrangement of thermal engine test and bending load direction
Figure 8 Water immersion test
Figure 9 Accelerated aging test method with voltage polarity reversal a)
Figure 10 Operating voltage waveform of valve arrester (V) (rectified operation), PCOV and CCOV
Figure 11 Waveforms of continuous operating voltage of bridge arrester, DCOV, PCOV and CCOV
Figure 12 Relative duration of voltage exceeding a certain value
Figure C:1 Bending moment test of multi-element arrester
Figure C:2 Definition of mechanical load
Figure C:3 Arrester components
Figure C:4 Dimensions of arrester
Figure C:5 Bending load test procedure flow chart
Figure G:1 Schematic diagram of CSCC converter station with dual 12-pulse converters 76
Figure G:2 Schematic diagram of back-to-back converter station with dual 12-pulse converters 77
Table 1 Partial discharge test voltage value
Table 2 Routine tests
Table 3 Acceptance test
Table 4 Sampling test
Table 5 Periodic test
Table 6 Type test
Table 7 Type test
Table A:1 Comparison between this document and the regulation numbers of IEC 60099-9:2014
Table B:1 Main technical differences between this document and IEC 60099-9:2014 and their reasons
Table H:1 Typical ±1100kV UHV DC engineering arrester parameters 78
Table H:2 Typical ±800kV UHV DC engineering arrester parameters 78
Table H:3 Typical ±500kV high-voltage DC engineering arrester parameters 79

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting:

This document replaces GB/T 22389-2008 "Guidelines for gapless metal oxide arresters in high voltage DC converter stations": This document is related to Compared with GB/T 22389-2008, in addition to structural adjustments and editorial changes, the main technical changes are as follows:

---Changed the scope (see Chapter 1, Chapter 1 of the:2008 edition);

--- Added terms and definitions "gapless metal oxide arrester" "arrester element" "electrical component" "mechanical component" "arrester" Proportional unit (proportional unit)" "Continuous operating voltage DC component" "Continuous operating voltage main frequency" "No significant continuous operating voltage "voltage", "power frequency reference current", "DC reference current", "power frequency reference voltage", "DC reference voltage", "discharge current", "residual voltage", "lightning protection" "Protective characteristics of the arrester", "Rated repetitive charge transfer", "Rated thermal energy", "Thermal collapse of the arrester", "Thermal stability of the arrester", "Sealing (Air/water tightness)" "Type test" "Routine test" "Sampling test" "Periodic test" "Acceptance test" (see 3.1, 3:2, 3:3, 3:4, 3:5, 3:10, 3:11, 3:12, 3:15, 3:16, 3:17, 3:18, 3:19, 3:20, 3:27, 3:28, 3:29, 3:30, 3:31, 3:32, 3:33, 3:34, 3:35, 3:36, 3:37);

---Changed the terms and definitions "rated voltage" and "continuous operating voltage" (see 3.6, 3:7, 3:1, 3:2 of the:2008 edition);

---Deleted symbols and abbreviations (see Chapter 4 of the:2008 edition);

---Deleted the arrester arrangement and the stress it is subjected to (see Chapter 5 of the:2008 edition);

---Added typical HVDC converter station schematic diagram, arrester type, installation location and operating voltage (see Chapter 4);

---Added signs and classifications (see Chapter 5);

---Changed "normal operating conditions" (see 6.1, see:2008 version of 6:1);

---Added repeated charge transfer tolerance, internal voltage equalizing components, GIS arrester housing requirements, and GIS arrester insulating gas ratings Density (rated pressure) and minimum operating density (minimum operating pressure), GIS arrester insulating gas requirements, GIS arrester transportation Vibration performance, packaging, transportation and storage requirements (see 7.8, 7:11, 7:21, 7:22, 7:23, 7:24, 7:25);

---Deleted the requirements for energy tolerance and temporary overvoltage withstand time characteristics of arresters (see 7.10 and 7:13 of the:2008 edition);

---Added lightning arrester proportional unit requirements (see 8.2:2);

---Added environmental tests, repeated charge transfer tests, heat dissipation characteristics tests, internal component insulation endurance tests, internal voltage equalizing component tests test, insulation gas humidity test, transportation test, shell strength test (see 9.6, 9:12, 9:13, 9:15, 9:16, 11:7:4:1);

---Changed the insulation withstand test, short circuit test, mechanical load test, residual voltage test, and action load test (see 9.2, 9:3, 9:5, 9:10, 9:14,:2008 version 9:13, 9:14, 9:16, 9:8, 9:11);

---Deleted the artificial contamination test, thermal engine test and boiling water boiling test (see 9.17 and 9:19 of the:2008 edition);

---Changed the routine test items (see Table 2, Table 1 of the:2008 version);

---Changed the acceptance test items (see Table 3, Table 3 of the:2008 version);

---Added special thermal stability test and appearance inspection (see 10.2:2, 10:2:3);

---Added sampling test (see 10.3);

---Added test requirements for different types of arresters (see Chapter 11);

---Deleted the logo, packaging, transportation, storage and warranty period (see Chapter 11 of the:2008 edition);

---Added normative appendices "Mechanical Test", "Thermal Equivalence Test" and "Thermal Stability Test Starting Temperature" (see Appendix C, Appendix E, Appendix F);

---Deleted the standard appendix "Energy Stress of Arrester" and "Gapless Metal Oxide Arrester Model Compilation for High Voltage DC Converter Stations" Methods" (Appendix A and Appendix B of the:2008 version):

This document is modified to adopt IEC 60099-9:2014 "Surge Arrester Part 9: Gap-free Metal Oxide Arrester for High Voltage DC Converter Stations":

Compared with IEC 60099-9:2014, this document has many structural adjustments: Comparison list of structure number changes between two files See Appendix A for the table:

Compared with IEC 60099-9:2014, this document has many technical differences: A list of these technical differences and their causes is shown in Appendix B:

The following editorial changes have been made to this document:

---In order to be consistent with my country's technical standard system, the standard name is modified to "Gapless Metal Oxide Arrester for High Voltage DC Converter Stations";

---Changed the file list in Chapter 2;

---Informative appendix A, appendix B, appendix D and appendix H have been added:

Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents:

1 Scope

This document stipulates the marking and classification, operating conditions, technical requirements and tests of gapless metal oxide arresters in high-voltage DC converter stations:

Methods etc:

This document is suitable for limiting overvoltage of two-terminal, multi-terminal and back-to-back high-voltage direct current (HVDC) converter stations of ±1100kV and below:

Designed porcelain jacket, composite jacket and GIS (DC bus and DC line/cable) gapless metal oxide surge arresters: This document does not include electrical Lightning arrester for pressure source type converter:

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, the dated quotations for undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document:

GB/T 311.1 Insulation coordination Part 1: Definitions, principles and rules (GB/T 311.1-2012, IEC 60071-1:2006, MOD) GB/T 311.2-2013 Insulation coordination Part 2: Guidelines for use (IEC 60071-2:1996, MOD) GB/T 311.3-2017 Insulation coordination Part 3: Insulation coordination procedures for high-voltage DC converter stations (IEC 60071-5:2014, MOD) GB/T 2423.17-2008 Environmental testing of electrical and electronic products Part 2: Test methods Test Ka: Salt spray (IEC 60068-2-11:1981,IDT) GB/T 2423.22-2012 Environmental testing Part 2: Test method Test N: Temperature change (IEC 60068-2-14:

2009,IDT)

GB/T 2900.12 Electrical terminology Lightning arresters, low-voltage surge protectors and components GB/T 2900.19 Electrical terminology high voltage test technology and insulation coordination GB/T 3505 Product Geometric Specification (GPS) Surface Structure Profile Method Terms, Definitions and Surface Structure Parameters (GB/T 3505-2009, ISO 4287:1997, IDT) GB/T 3906-2020 3:6kV~40:5kV AC metal-enclosed switchgear and control equipment (IEC 62271-200:

2011,MOD)

GB/T 6113.101 Specification for radio disturbance and immunity measurement equipment and measurement methods Part 1-1: Radio disturbance and immunity Measuring equipment measuring equipment (GB/T 6113.101-2021, CISPR16-1-1:2019, IDT) GB/T 7354 High voltage test technology partial discharge measurement (GB/T 7354-2018, IEC 60270:2000, MOD) GB/T 7674-2020 Gas-insulated metal-enclosed switchgear with rated voltage 72:5kV and above (IEC 62271-203:

2011,MOD)

GB/T 8905 Guidelines for gas management and detection in sulfur hexafluoride electrical equipment (GB/T 8905-2012, IEC 60480:2004, MOD) GB/T 11032-2020 AC gapless metal oxide surge arrester (IEC 60099-4:2014, MOD) GB/T 11604 Radio interference test method for high-voltage electrical equipment (GB/T 11604-2015, IEC/T RCISPR18-2:

2010,MOD)

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 80 pages — is available in the English PDF.

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