GB/T 28547-2023Selection and application recommendations of metal oxide surge arresters for a. c. systems (English PDF)

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 28547-2012 "Guidelines for the Selection and Use of AC Metal Oxide Surge Arresters" and is consistent with GB/T 28547-2012

In comparison, in addition to structural adjustments and editorial changes, the main technical changes are as follows:

---Added terms and definitions "gap metal oxide arrester", "DC reference voltage", "DC reference current", "rated repeated rotation"

Transfer charge", "Rated thermal transfer charge", "Rated thermal energy", "Pressure relief device", "Rated short-circuit current", "Tensile load", "Operating impulse"

"striking current" (see 3:12, 3:27:2, 3:28:2, 3:37, 3:38, 3:39, 3:42, 3:43, 3:59, 3:69), deleted "metal with gaps"

"Oxide arrester" (see D:14 of the:2012 edition);

---Changed the expression of "Scope I, Scope II" and changed "system nominal voltage" to "equipment maximum voltage" (see Section 4

Chapter,:2012 edition 1:3);

---Added the introduction of rated repeated transfer charge, rated thermal energy, and rated thermal transfer charge amount, and used these to replace line discharge

and long duration impulse current (see 5:2:2,:2012 edition 2:2:1:2);

---Changed the definitions and test methods of long-term load and short-term load (see 5:2:5:4:3,:2012 edition 2:3:1:6);

---Added EGLA installation location selection, installation method and schematic diagram (see 5:2:5:6:1);

---Deleted the content related to the "Y-type design" of the out-of-band series gap arrester (see 5:2:4:2:1 and 5:2:4:2:3,:2012 edition

2:2:3:2,2:2:3:2:2);

---Added illustrations and descriptions of typical overvoltage and duration under different grounding systems (see 6:2:3:1,:2012 edition 3:2:2);

---Added the introduction of rated repeated transfer charge, rated thermal energy, and rated thermal charge, and replaced the line discharge level with these

Selection and relevant content of lightning energy and energy of arrester under operating overvoltage (see 6:3:2,:2012 edition 3:3:1);

--- Added examples of arrester classification and arrester nominal discharge current selection and calculation (see 6:3:2:3);

---Added the calculation principle of adding a capacitor at the line end or substation entrance to reduce the steepness of the intruding wave (see 6:3:2:7);

---Added the selection principles for the installation location of gapped arresters (see 6:3:3:3:5:2);

---Changed Table 9 "Recommended values for lightning impulse discharge voltage and operating wet withstand voltage performance of gapped arresters" (see 6:3:3:3:4

Table 9,:2012 version 3:3:4:3:9 Table 10);

---Deleted the relevant content on line discharge level and long-duration impulse current tolerance (see:2012 edition 2:2:1:7:6, 2:2:3:2);

--- Added examples and instructions applicable to domestic voltage levels (see 6:3:2:3, Appendix D, Appendix F);

---Changed the contents related to the disconnector (see 6:3:6,:2012 version 3:3:4:3:4);

---Changed the main technical parameter table of UHV surge arrester and UHV insulation coordination content (see 6:3:7,:2012 version 3:3:2);

---Changed the normal and abnormal operating conditions (see 6:4,:2012 edition 3:4), changed the diagnosis of metal oxide arresters in operation

(See Appendix I):

This document is modified to adopt IEC 60099-5:2018 "Surge Arrester Part 5: Guidelines for Selection and Use":

Compared with IEC 60099-5:2018, this document has made the following structural adjustments:

---Added 6:3:3:3:5 application of gap line arresters;

---Appendix A corresponds to IEC 60099-5:2018 Appendix C, Appendix B corresponds to IEC 60099-5:2018 Appendix A, Appendix C corresponds

IEC 60099-5:2018 Appendix E, Appendix E corresponds to IEC 60099-5:2018 Appendix G, Appendix F corresponds to IEC 60099-5:

2018 Appendix I, Appendix I corresponds to IEC 60099-5:2018 Appendix D;

---Deleted IEC 60099-5:2018 Appendix B and Appendix F:

The technical differences and reasons between this document and IEC 60099-5:2018 are as follows:

---In order to adapt to my country's technical conditions, IEC 60099-6:2002 was replaced with normatively cited GB/T 28182, which was replaced by normatively quoted GB/T 28182:

GB/T 11032-2020 replaces IEC 60099-4:2014 (see Chapter 1);

---In order to adapt to my country's technical conditions, IEC 60071-1:2006 has been replaced with the normatively cited GB/T 311:1-2012, and the normative

The sexually quoted GB/T 11032-2020 replaces IEC 60099-4:2014, and the normatively quoted GB/T 28182

IEC 60099-6:2002, replaced IEC 60099-8:2011 with normative reference GB/T 32520, added normative references

Use GB/T 2900:12-2008, GB/T 2900:19 (see Chapter 3);

---Adapting to the current status of domestic product manufacturing and application, the terms and definitions "gapless metal oxide arrester" and "power frequency reference circuit" are added:

"voltage", "DC reference voltage", "power frequency reference current", "DC reference current", "pressure relief device", "rated short circuit current", "stretch negative

load" and "operating impulse current" (see 3:9, 3:27:1, 3:27:2, 3:28:1, 3:28:2, 3:42, 3:43, 3:59, 3:69), the "series connection" has been modified

And (see 3:22);

---In order to be applicable to domestic power systems, the voltage of the division range I and range II is modified to 252kV (see Chapter 4, 6:2:1);

---In order to adapt to my country's technical conditions, IEC 60071-1:2006 has been replaced with the normatively cited GB/T 311:1-2012, and the normative

The sexually quoted GB/T 311:2-2013 replaced IEC 60071-2:1996, and the normatively quoted GB/T 3906

IEC 62271-200, replaced IEC 62271-203 with normative reference GB/T 7674, with normative reference

GB/T 11032-2020 replaces IEC 60099-4:2014 and replaces the normatively cited GB/T 26218:1

IEC /T S60815-1:2008, replaced IEC /T S60815-1:2008 with normative reference GB/T 26218:1

The cited GB/T 32520 replaces IEC 60099-8:2011, and adds normative reference documents GB/T 11022, GB/T 13540,

GB/T 26218:2, GB/T 26218:3, DL/T 815-2021 (see 5:2);

---For ease of use, the introduction of gapless metal oxide arresters is added (see 5:2:1);

---Added lightning arrester protection level and insulation withstand voltage calculation examples applicable to domestic voltage levels (see 5:2:2:2);

---For ease of use, the appearance drawings and introduction of separate arresters and elbow arresters are added (see 5:2:2:5);

---Based on the current status of domestic product manufacturing and application, the nominal discharge current is divided into 5 levels, with an additional 1:5kA level (see

5:2:2:7:4);

---In order to ensure the operability of the test and be consistent with the requirements of the GB/T 11032-2020 standard, the rated repeated transfer current has been changed

The impact interval time for load tolerance is 50s~60s (5:2:2:7:6);

---Based on the current status of domestic product manufacturing and application, the typical appearance diagram of EGLA has been changed (see 5:2:4:1);

---Since only the "X" type design is used in China, the content related to the "Y" type design of the out-band series gap arrester has been deleted (see

5:2:4:2:3);

---Based on the current status of domestic product manufacturing and application, the typical layout diagram of arresters has been changed to the layout of my country's 500kV level arresters:

Figure (see 5:2:5:3:1);

---Based on the current status of domestic product manufacturing and application, the appearance drawing and installation diagram of the monitor or counter are added, and the relevant content is added:

Content introduction (see 5:2:5:4:1);

---Based on the current status of domestic product manufacturing and application, a table of maximum operating horizontal tension values of arresters applicable to the country has been added (see

Table 1) of 5:2:5:4:3;

---Based on the current status of domestic product manufacturing and application, the applicability and installation of separate arresters and uncharged housing arresters have been added:

Introduction to differences (see 5:2:5:5:6);

---According to the current status of domestic product manufacturing and application, the introduction and schematic diagram of EGLA installation location selection and installation methods have been added:

(See 5:2:5:6:1);

---In order to adapt to my country's technical conditions, IEC 60071-1:2006 has been replaced with the normatively cited GB/T 311:1-2012, and the normative

The sexually quoted GB/T 311:2-2013 replaced IEC 60071-2:1996 and the normatively quoted GB/T 311:4

IEC TR60071-4, replaced IEC 60099-4:2014 with normative reference GB/T 11032-2020, with normative reference

Replaced IEC /T S60815-1:2008 with GB/T 26218:1, and replaced GB/T 32520 with normative reference

IEC 60099-8:2011, add normative reference documents GB/T 24842-2018, GB/T 24845-2018,

DL/T 815-2021 (see Chapter 6);

---Based on the current status of domestic product manufacturing and application, the per unit value calculation formulas for resonant overvoltage and operating overvoltage have been added (see

6:2:3:1);

---Based on the current status of domestic product manufacturing and application, the continuous operating power supply suitable for different neutral point grounding modes of domestic systems has been added:

Voltage introduction and the selection principles of arrester reference voltage and rated voltage, and the parameters of arresters suitable for typical domestic power stations are added:

Table (see 6:3:2:2);

--- Added an example of calculation of the nominal discharge current of the arrester applicable to the domestic nominal voltage 500kV system (see 6:3:2:3);

---Examples of open substation protection areas in Table 4 of IEC section 6:3:2:7:1 have been deleted because they are not applicable to the current domestic application situation;

---Based on the current status of domestic product manufacturing and application, the electrical parameter table of the typical gapped arrester body has been added (see 6:3:3:3:2

Table 6);

---Based on the current status of domestic product manufacturing and application, Table 7 has been added: Typical current impulse withstand test of the arrester body of the line with gap

value (see 6:3:3:3:3:1);

---Based on the current status of domestic product manufacturing and application, Table 9 is added: lightning impulse discharge voltage and operating wet withstand voltage of gap arresters

Recommended value of pressure performance (see 6:3:3:3:4);

---Based on the current status of domestic product manufacturing and application, the selection principles for the installation location of gapped arresters are added (see 6:3:3:3:5);

---Based on the current status of domestic product manufacturing and application, a table of main technical parameters of UHV arresters applicable to domestic requirements has been added (see

6:3:7:1) Cooperate with UHV insulation (see 6:3:7:2);

---Based on the current status of domestic product manufacturing and application, "under normal operating conditions" have been added "areas with seismic intensity VII and below" and "thick ice coating":

"The thickness is not greater than 20mm" (see 6:4:1), and "ice thickness exceeds 20mm and high bending load" is added to "abnormal operating conditions"

(See 6:4:2:16);

---In order to adapt to my country's technical conditions, IEC 60507 has been replaced with the normatively cited GB/T 4585, and the normatively cited

GB/T 26218:1 replaces IEC /T S60815-1:2008 (see 6:4:2:5);

---In order to adapt to my country's technical conditions, IEC 60099-4:2014 has been replaced with the normatively quoted GB/T 11032-2020 (see Section 7

chapter);

---In order to adapt to the current situation of domestic applications, the nominal discharge current value of the neutral point arrester has been changed to 1:5kA (see 7:1:1);

---Based on the current status of domestic product manufacturing and application, the four-star connection diagram of the arrester has been added (see 7:2:3);

---In order to adapt to my country's technical conditions, IEC 60099-4:2014 has been replaced with normatively cited GB/T 11032-2020, and the normative

The sexually quoted GB/T 26218:1 replaced IEC /T S60815-1:2008, and the normatively quoted GB/T 32520

IEC 60099-8:2011 (see Chapter 8):

The following editorial changes have been made to this document:

--- Add appendix D (informative) typical installation method of arrester protection;

---The typical parameters required for arrester selection in Appendix C (informative) have been changed, and the typical selection required for gap arresters have been added

parameter;

---Changed the accumulated charge and energy of the arrester during line operation in Appendix F (informative), and added calculation examples applicable to China;

---The typical arrester parameters in Appendix G (informative) have been changed, and the typical arrester parameters applicable to China have been listed;

---Changed Appendix I (informative) diagnosis of metal oxide arresters in operation:

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 provides recommendations for the selection and application of surge arresters for AC systems with nominal voltages greater than 1kV:

This document applies to AC gapless metal oxide surge arresters defined in GB/T 11032-2020, and AC gap-free metal oxide surge arresters defined in GB/T 28182

Arrester with series gap for rated voltage 52kV and below, and for overhead transmission as defined in GB/T 32520, DL/T 815-2021

Metal oxide surge arresters for electrical and distribution lines:

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 311:1-2012 Insulation coordination Part 1: Definitions, principles and rules (IEC 60071-1:2006, MOD)

GB/T 311:2-2013 Insulation coordination Part 2: Guidelines for use (IEC 60071-2:1996, MOD)

GB/T 311:4 Insulation coordination Part 4: Calculation guidelines for power grid insulation coordination and its simulation (GB/T 311:4-2010,

IEC 60071-4:2004, MOD)

GB/T 2900:12-2008 Electrical terminology Lightning arresters, low-voltage surge protectors and components

GB/T 2900:19-1994 Electrical terminology high voltage test technology and insulation coordination

GB/T 3906 3:6kV~40:5kV AC metal-enclosed switchgear and control equipment (GB/T 3906-2020,

IEC 62271-200:2011, MOD)

GB/T 4585 Artificial contamination test for high-voltage insulators used in AC systems (GB/T 4585-2004, IEC 60507:1991, IDT)

GB/T 7674 Gas-insulated metal-enclosed switchgear with rated voltage 72:5kV and above (GB/T 7674-2020,

IEC 62271-203:2011, MOD)

GB/T 11022 Common technical requirements for high-voltage AC switchgear and control equipment standards (GB/T 11022-2020,

IEC 62271-1:2017, MOD)

GB/T 11032-2020 AC gapless metal oxide surge arrester (IEC 60099-4:2014, MOD)

GB/T 13540 Seismic requirements for high-voltage switchgear and control equipment (GB/T 13540-2009, IEC 62271-2:2003,

MOD)

GB/T 24842-2018 Overvoltage and insulation coordination for 1000kV ultra-high voltage AC transmission projects

GB/T 24845-2018 Technical specifications for gapless metal oxide surge arresters for 1000kV AC systems

GB/T 26218:1 Selection and sizing of high voltage insulators for use in polluted conditions Part 1: Definitions, information and general

Principles (GB/T 26218:1-2010, IEC /T S60815-1:2008, MOD)

GB/T 26218:2 Selection and sizing of high-voltage insulators for use in polluted conditions Part 2: Porcelain and glass for AC systems

Glass insulator (GB/T 26218:2-2010, IEC /T S60815-2:2008, MOD)

GB/T 26218:3 Selection and sizing of high-voltage insulators for use in polluted conditions Part 3: Composite insulators for AC systems

Yuanzi (GB/T 26218:3-2011, IEC /T S60815-3:2008, MOD)

GB/T 28182 Surge arrester with series gap for rated voltage 52kV and below (GB/T 28182-2011, IEC 60099-6:

2002,MOD)