GB/T 11032-2020Metal-oxide surge arresters without gaps for a. c. systems (English PDF)

Foreword

This standard was drafted in accordance with the rules given in GB/T 1:1-2009:

This standard replaces GB/T 11032-2010 "AC Gapless Metal Oxide Lightning Arrester", compared with GB/T 11032-2010, the main

The main technical changes are as follows:

--- Added normative reference documents GB/T 3505, GB/T 11604-2015, GB/T 12022, GB/T 16422:1-2006,

GB/T 16422:2-2014, GB/T 16422:3-2014, GB/T 16927:4, GB/T 22079, GB/T 26218:1-

2010 and GB/T 26218:2-2010 (see Chapter 2);

--- The normative reference documents GB/T 775:1-2000, GB/T 775:3-2006, GB/T 6553-2003,

GB/T 17467-1998, GB/T 19519-2004, IEC 60068-2-42:2003, IEC 60815:1986, IEC 61166:

1993, CISPR16-1:1999, CISPR18-2:1986 and JB/T 7618-1994 (see Chapter 2 of the:2010 edition);

---Added the terms and definitions "Gap-free line arrester", "Resin casting jacket arrester", "Insulation base", "Mounting bracket", and "Power station category"

"Lightning arrester", "distribution-type arrester", "steep wave impulse current protection level", "lightning impulse protection level", "operational impulse protection level", "amount

Fixed repeated transfer charge", "rated thermal transfer charge", "rated thermal energy", "sine half-wave impulse current", "lightning impulse discharge", "rated short

"Circuit current", "specified long-term load", "specified short-term load" and "tensile load" (see 3:2, 3:13, 3:19, 3:20, 3:27, 3:28,

3:40, 3:42, 3:44, 3:46, 3:47, 3:48, 3:51, 3:52, 3:56, 3:76, 3:77, 3:80) (see Chapter 3);

--- Deleted the terms and definitions "Maximum Allowable Workload", "Maximum Allowable Dynamic Workload" and "Allow Static Workload" (see

Chapter 3 of the:2010 edition);

---Modified the classification of arresters (see Table 1, Table 1 of the:2010 edition);

---Added the requirements for repeated transfer charge tolerance and internal voltage equalization components (see 6:10, 6:15);

--- Deleted the long-duration current impulse tolerance requirements (see 6:8 in the:2010 edition);

---Increase the requirement of arrester proportional unit (see 7:2:2);

---Added repeated transfer charge test, internal component insulation withstand test and internal voltage equalization component test (see 8:5, 8:15, 8:16);

---Modified the action load test, power frequency voltage withstand time characteristic test and bending load test (see 8:7, 8:8, 8:11,:2010

Version 8:5, Appendix D, 8:9);

--- Deleted the long continuous current impulse withstand test (see 8:4 in the:2010 edition);

---Modified the bending load test, weathering test and tensile load test of composite jacket arrester (see 10:8:11, 10:8:24,

10:8:25,:2010 version 10:8:9, 10:8:14, 10:8:15);

--- Deleted the moisture immersion test of the arrester (see 10:8:13 of the:2010 edition);

---The standard appendix "Voltage Distribution Test" "Energy classification based on line discharge level and the amount based on operating load test"

Classification comparison of rated repetitive transfer charge between constant heat energy and repetitive single event energy ""Thermal stability test starting temperature""Action

Load test sample parameter calculation example" and "average temperature of multi-element arrester" (see Appendix K, Appendix M, Appendix N, Appendix O,

Appendix P);

---Modified the thermal equivalence test (see Appendix I, see Appendix B of the:2010 edition);

--- Deleted the standard appendix "Requirements for surge arresters for voltage range 1kV~52kV strong lightning loads" and "Verify the power frequency voltage of arresters

"Withstand time characteristic test procedure" "Guide for the selection of line discharge level" "Typical circuit for high current impulse action load test"

"Typical circuit of a distributed constant generator for long-duration impulse current withstand test" and "artificial pollution test method"

(See Appendix C, Appendix D, Appendix E, Appendix H, Appendix I and Appendix O of the:2010 edition):

This standard uses the redrafting method to modify and adopt IEC 60099-4:2014 ``Lightning Arrester Part 4: AC Gapless Metal Oxide Avoidance

Minecraft:

Compared with IEC 60099-4:2014, this standard has many adjustments in structure: Appendix A lists this standard and IEC 60099-4:

The:2014 chapter number change comparison list:

Compared with IEC 60099-4:2014, there are technical differences between this standard and the corresponding technical differences and their reasons in Appendix B:

List:

This standard has made the following editorial changes:

---In order to be consistent with my country's technical standard system, the standard name was revised to ``AC Gapless Metal Oxide Lightning Arrester'';

---According to the order of the appendix in the main text, the position of the appendix has been adjusted:

Please note that certain contents of this document may involve patents: The issuing agency of this document is not responsible for identifying these patents:

This standard was proposed by China Electrical Equipment Industry Association:

This standard is under the jurisdiction of the National Lightning Arrester Standardization Technical Committee (SAC/TC81):

Drafting organizations of this standard: Xi'an Xidian Lightning Arrester Co:, Ltd:, Xi'an High Voltage Apparatus Research Institute Co:, Ltd:, China Electric Power

Research Institute Co:, Ltd:, National Quality Supervision and Inspection Center for Insulator Arresters, Xi'an Jiaotong University, China Southern Power Grid Research Institute Co:, Ltd:

Ren company, CLP Purui Power Engineering Co:, Ltd:, Gansu Electric Apparatus Research Institute, State Grid Sichuan Electric Power Research Institute, Guangdong

Electric Power Research Institute of Power Grid Co:, Ltd:, State Grid Shaanxi Electric Power Research Institute, Tsinghua University, Yunnan Power Grid Co:, Ltd:

Served as the company's Electric Power Research Institute, China Power Engineering Consulting Group Southwest Electric Power Design Institute Co:, Ltd:, Xi'an Shendian Electric Co:, Ltd:, Fu

Shundian Porcelain Manufacturing Co:, Ltd:, Dalian Fafuan Electric Co:, Ltd:, Pinggao Toshiba (Langfang) Lightning Arrester Co:, Ltd:, Golden Crown Electric Co:, Ltd

Company, Xiamen ABB Arrester Co:, Ltd:, Evergrande Electric Co:, Ltd:, Wenzhou Yikun Electric Co:, Ltd:, Ningbo Zhenhai Guochuang High Voltage

Co:, Ltd:, Nanyang Zhongwei Electric Co:, Ltd:, State Grid Hubei Electric Power Company Electric Power Research Institute, State Grid Liaoning Electric Power Co:, Ltd:

Electric Power Research Institute, Shanghai Electric Porcelain Factory Co:, Ltd:, Zhejiang Yonggu Cable Accessories Co:, Ltd:, Dalian North Lightning Arrester Co:, Ltd:

1 Scope

This standard specifies the marking and classification, standard rating and operation of AC gapless metal oxide arresters (hereinafter referred to as arresters)

Conditions, technical requirements and test methods, etc:

This standard applies to gapless metal oxide arresters designed to limit transient overvoltages in AC power systems:

2 Normative references

The following documents are indispensable for the application of this document: For dated reference documents, only the dated version applies to this article

Pieces: For undated references, 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 2423:17-2008 Environmental testing of electric and electronic products Part 2: Test method Test Ka: Salt spray (IEC 60068-

2-11:1981, IDT)

GB/T 2423:22-2012 Environmental Test Part 2: Test Method Test N: Temperature Change (IEC 60068-2-14:

2009, IDT)

GB/T 2900:12-2008 Electrical terminology lightning arrester, low-voltage surge protector and components

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

GB/T 3505 Product Geometric Technical 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 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 a rated voltage of 72:5kV and above (IEC 62271-203:2011,

MOD)

GB/T 8905 Guidelines for Gas Management and Detection in Electrical Equipment of Sulfur Hexafluoride

GB/T 11023-2018 High-voltage switchgear sulfur hexafluoride gas tightness test method

GB/T 11604-2015 High-voltage electrical equipment radio interference test method (IEC /T RCISPR18-2:2010, MOD)

GB/T 12022 Industrial sulfur hexafluoride

GB/T 16422:1-2006 Plastic Laboratory Light Source Exposure Test Method Part 1: General (ISO 4892-1:1999,

IDT)

GB/T 16422:2-2014 Plastic laboratory light source exposure test method Part 2: Xenon arc lamp (ISO 4892-2:2006,

IDT)

GB/T 16422:3-2014 Plastic laboratory light source exposure test method Part 3: Fluorescent ultraviolet lamp (ISO 4892-3:

2006, IDT)

GB/T 16927:1 High Voltage Test Technology Part 1: General Definition and Test Requirements (GB/T 16927:1-2011,