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GB/T 17467-2020: High-voltage/low-voltage prefabricated substation
Status: Valid GB/T 17467: Evolution and historical versions
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Basic data | Standard ID | GB/T 17467-2020 (GB/T17467-2020) | | Description (Translated English) | High-voltage/low-voltage prefabricated substation | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K43 | | Classification of International Standard | 29.240.10 | | Word Count Estimation | 90,914 | | Date of Issue | 2020-03-31 | | Date of Implementation | 2020-10-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 17467-2020: High-voltage/low-voltage prefabricated substation---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
High-voltage/low-voltage prefabricated substation
ICS 29.240.10
K43
National Standards of People's Republic of China
Replace GB/T 17467-2010
High-voltage/low-voltage prefabricated substation
(IEC 62271-202..2014, High-voltageswitchgearandcontrolgear-
2020-03-31 release
2020-10-01 implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Contents
Foreword Ⅴ
Introduction Ⅷ
1 Scope 1
2 Normative references 1
3 Terms and definitions 2
4 Normal and special conditions of use 4
4.1 Overview 4
4.2 Normal operating conditions 4
4.3 Special conditions of use 5
5 Rating 6
5.1 Overview 6
5.2 Rated voltage 6
5.3 Rated insulation level 6
5.4 Rated frequency (fr) 7
5.5 Rated current and temperature rise 7
5.6 Rated short-time withstand current (Ik, Ike, Icw) 7
5.7 Rated peak withstand current (Ip, Ipe, Ipk) 8
5.8 Rated short-circuit duration (tk, tke) 8
5.9 Rated power supply voltage (Ua) of closing and opening devices and auxiliary and control circuits 8
5.10 Rated power frequency of closing and opening devices and auxiliary and control circuits 8
5.11 Rated pressure of compressed gas source for controllable pressure system 8
5.12 Rated charge level for insulation and/or opening and closing 8
5.101 Rated maximum capacity and enclosure level 9
5.102 The rated value of the internal arc level (IAC) on the high voltage side and the rated value of the protection level in the case of an arc on the low side
6 Design and structure 11
6.1 Overview 11
6.2 Requirements for liquids in switchgear and control equipment 11
6.3 Requirements for gas in switchgear and control equipment 11
6.4 Grounding of prefabricated substations 11
6.5 Auxiliary and control equipment 12
6.6 Power operation 12
6.7 Energy storage operation 12
6.8 Operations that do not rely on human power or power (non-locking operations) 12
6.9 Operation of the release 12
6.10 Low and high pressure blocking and monitoring devices 12
6.11 Nameplate 13
6.12 Interlocking devices 13
6.13 Position indication 13
6.14 Degree of protection provided by the enclosure 13
6.15 Creepage distance 14
6.16 Gas and vacuum seals 14
6.17 Liquid seal 14
6.18 Fire hazard (flammability) 14
6.19 Electromagnetic compatibility (EMC) 14
6.20 X-ray 14
6.21 Corrosion 14
6.101 Protection of mechanical stress from prefabricated substations 14
6.102 Environmental protection due to internal defects 14
6.103 Internal arc fault 15
6.104 Shell 15
6.105 Other provisions 18
6.106 Acoustic emission 18
6.107 Electromagnetic field 18
7 Type test 18
7.1 General 18
7.2 Insulation test 20
7.3 Radio interference voltage (riv) test 22
7.4 Measurement of loop resistance 22
7.5 Temperature rise test 23
7.6 Short-term withstand current and peak withstand current test 28
7.7 Verification of Protection Level 28
7.8 Sealing test 28
7.9 Electromagnetic Compatibility Test (EMC) 28
7.10 Additional tests for auxiliary and control circuits 28
7.11 X-ray test procedure for vacuum interrupter 29
7.101 Tests or calculations to verify the mechanical stress resistance of prefabricated substations 29
7.102 Internal arc fault test 29
7.103 Measurement or calculation of electromagnetic fields 33
7.104 Functional test to verify satisfactory operation 33
8 Factory test 34
8.1 Overview 34
8.101 Insulation test of high-voltage connecting line 34
8.102 Insulation test of low-voltage connecting line 34
8.103 Insulation test of auxiliary and control circuits 34
8.104 Functional test to verify satisfactory operation 34
8.105 Wiring correctness check 34
8.106 Test after on-site assembly 34
8.107 Ground continuity test 35
9 Guidelines for the selection of prefabricated substations 35
9.1 Overview 35
9.101 General 35
9.102 Selection of rating 35
9.103 Shell level selection 35
9.104 Internal arc fault 36
9.105 Summary of technical requirements 38
10 Information provided when inquiring, bidding and ordering 42
10.1 Overview 42
10.2 Information provided when inquiring and ordering 42
10.3 Information provided during bidding 43
11 Transportation, storage, installation, operation and maintenance 44
11.1 Overview 44
11.2 Conditions during transportation, storage and installation 44
11.3 Installation 44
11.4 Operation 45
11.5 Maintenance 45
11.101 Disassembly, recycling and disposal at the end of life 45
12 Security 46
12.1 Overview 46
12.101 Electrical aspects 46
12.102 Mechanical aspects 46
12.103 Thermal aspects 46
12.104 Internal arc aspects 46
13 Environmental impact of products 46
Appendix A (informative appendix) The structural changes of this standard compared with IEC 62271-202..2014 47
Appendix B (informative appendix) General requirements for photovoltaic prefabricated substations 50
Appendix C (informative appendix) The rating of the transformer in the enclosure 55
Appendix D (informative appendix) Examples of ground loops 63
Appendix E (Normative Appendix) Internal Arc Fault-Method of Verifying Internal Arc Rating (IAC) on High Voltage Side 66
Appendix F (informative appendix) Characteristics of enclosure materials 77
Appendix G (Normative Appendix) Verification Test for Sound Level of Prefabricated Substation 79
References 81
Figure 101 Measurement of transformer temperature rise Δt1 outside the enclosure 23
Figure 102 Measurement of transformer temperature rise Δt2 in the enclosure 23
Figure 103 Wiring diagram of the preferred temperature rise test method 25
Figure 104 Wiring diagram of alternative temperature rise test method 26
Figure 105 Wiring diagram of temperature rise test open circuit test 26
Figure B.1 Preferred temperature rise test wiring diagram 52
Figure B.2 Alternative temperature rise test method wiring diagram 52
Figure B.3 Wiring diagram of temperature rise test open circuit test 53
Figure C.1 Load factor of the liquid-immersed transformer in the enclosure 56
Figure C.2 Load factor of the dry-type transformer outside the enclosure 57
Figure C.3 The load factor of the dry-type transformer with insulation class 105 ℃ (A) in the enclosure 57
Figure C.4 The load factor of the dry-type transformer with insulation class 120 ℃ (E) in the enclosure 58
Figure C.5 Load factor of dry-type transformer with insulation class 130 ℃ (B) in the enclosure 58
Figure C.6 Load factor of the dry-type transformer with insulation class 155 ℃ (F) in the enclosure
Figure C.7 Load factor of dry-type transformer with insulation class 180 ℃ (H) in the enclosure 59
Figure C.8 The load factor of a dry-type transformer with an insulation class of.200 ° C (H) in the enclosure 60
Figure C.9 The load factor of a dry-type transformer with insulation class 220 ℃ (H) in the enclosure 60
Figure D.1 Example of ground loop 63
Figure D.2 Example of a ground loop 64
Figure D.3 Example of a ground loop as the main ground conductor in the frame 65
Figure E.1 Mounting frame for vertical indicator 69
Figure E.2 Level indicator 69
Figure E.3 Arrangement of indicators 70
Figure E.4 Selection of IAC-A high-voltage switchgear test 73
Figure E.5 Selection of IAC-B high-voltage switchgear test 74
Figure E.6 Selection of IAC-A high-voltage connection test 75
Figure E.7 Selection of IAC-B level high voltage connection line test 76
Table 101 Properties of synthetic materials 16
Table 102 Locations and causes of internal arcs on the high-voltage side and examples of measures to reduce the probability of internal arcs 36
Table 103 Single relative ground arc fault current depending on the type of system neutral grounding 38
Table 104 Summary of operating conditions for prefabricated substations 39
Table 105 Summary of rated values for prefabricated substations 39
Table 106 Summary of prefabricated substation design and structure 41
Table A.1 Comparison between this standard and the article number of IEC 62271-202..2014 47
Table B.1 Odd harmonic current content rate limit 53
Table B.2 Even harmonic current content rate limit 53
Table B.3 Grid frequency response 54
Table C.1 Maximum load factor of the transformer at different enclosure levels 61
Table F.1 Coating treatment 77
Table F.2 Paint test 77
Table F.3 Concrete tests 78
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GB/T 17467-2010 "High-voltage/low-voltage prefabricated substation". Compared with GB/T 17467-2010, the main technology
The surgical changes are as follows.
--- Modified the main electrical components of the pre-installed substation (see Chapter 1, Chapter 1 of the.2010 edition);
--- Deleted the applicable requirements of non-prefabricated substations not related to this standard (see Chapter 1 of the.2010 edition);
--- Added "high voltage connection" "low voltage connection" "accessible type" "arc fault current" "arc fault duration" "arc
"Personal protection" and "arc ignition protection zone" under the circumstances; delete "IAC-A internal arc level" "IAC-B internal arc
"IAC-AB internal arc level" and other terms (see Chapter 3, Chapter 3 of the.2010 edition);
--- Increase the rating of the internal arc level (IAC) on the high voltage side and the rating of the protection level in the case of an arc on the low side
The manufacturer has regulations (see 5.102);
--- Increased the requirements for internal arc faults on the low voltage side (see 6.103);
--- Increased the requirements for electromagnetic fields (see 6.107);
--- Modified the type test type of EMC test and internal arc fault test, and changed it to "mandatory type test when applicable" (see
7.1.1, version 6.1 in.2010);
--- Increased power frequency withstand voltage test of low voltage connection line (see 7.2.102.3);
--- Modify the test method of the temperature rise test, and give the test procedures according to the two cases of liquid immersed transformer and dry transformer (see
7.5.103,.2010 version 6.5);
--- Added additional tests for auxiliary and control circuits (see 7.10);
--- Added internal arc fault test (see 7.102);
--- Added the requirements for the internal arc fault test on the low voltage side (see 7.102.3);
--- Added the "measure or calculate the electromagnetic field generated by the prefabricated substation" test (see 7.103);
--- Added the test requirement of "Functional test for satisfactory operation" (see 7.104);
--- Added Chapter 13 "Product Impact on the Environment" (see Chapter 13);
--- Modified the height of the product in the layout of the internal arc fault test indicator, which was divided from 2m to 1.9m
(See E.3.2, Appendix A of the.2010 edition).
This standard uses the redrafting method to modify and adopt IEC 62271-202..2014 "High Voltage Switchgear and Control Equipment Part 202.High
High-voltage/low-voltage prefabricated substation ".
Compared with IEC 62271-202..2014, this standard has more structural adjustments. Appendix A lists this standard and IEC 62271-
A list of the article number comparison for 202..2014.
The technical differences between this standard and IEC 62271-202..2014 and the reasons are as follows.
--- With regard to normative quotation documents, this standard has been adjusted with technical differences to adapt to my country's technical conditions and adjustments
The situation is reflected in Chapter 2 "Regulatory Reference Documents", with specific adjustments as follows.
● Replaced IEC 60076-1..2011 with GB/T 1094.1-2013 modified to adopt international standards;
● Replace IEC 60076-2..2011 with GB/T 1094.2-2013 which adopts the international standard.
● Replaced IEC 60076-5..2006 with GB/T 1094.5-2008 modified to adopt international standards;
● Replaced IEC 60076-7..2005 with GB/T 1094.7-2008 modified to adopt international standards;
● Replace IEC 60076-10..2001 with GB/T 1094.10-2003, which adopts international standards modified;
● Replaced IEC 60076-11..2004 with GB/T 1094.11-2007 modified to adopt international standards;
● Replaced IEC 60076-12..2008 with GB/T 1094.12-2013 modified to adopt international standards;
● Replaced IEC 60050-441.1984 with GB/T 2900.20-2016, which adopts international standards.
● Replaced IEC 62271-200..2011 with GB/T 3906-2020, which was modified to adopt international standards;
● Replaced IEC 62271-1..2007 with GB/T 11022-2011, which adopts international standards.
● Replaced IEC 60947-1..2011 with GB/T 14048.1-2012, which adopts international standards.
● Replaced IEC 61180-1..1992 with GB/T 17627.1-1998 equivalent to the international standard;
● Replaced ISO /IEC Guide51..1999 with GB/T 20002.4-2015 modified to adopt international standards;
● Replaced IEC /T S60815-1..2008 with GB/T 26218.1-2010, which adopts international standards modified;
● Replace the IEC /T R62271-208..2009 with the modified GB/T 33977-2017 that adopts international standards;
● Deleted reference documents IEC 62271-201..2006, ISO 1052.1982, ISO 6508-1..2005, ISO 1716..2010;
● Added reference documents GB/T 762-2002, GB/T 1408.1-2016, GB/T 2900.20-2016, GB/T 18859-
2016, ISO 1716..2018;
--- Modify the applicable voltage range and frequency range to meet the actual situation of my country's power grid (see Chapter 1);
--- Removed the applicable requirements of non-prefabricated substations, which are not covered by this standard (see IEC 62271-202.
2014);
--- Added the terms "personal protection in the case of arc" and "arc ignition protection zone" to facilitate the use of this standard (see Chapter 3);
--- Increased the rated value of "rated pressure of compressed air source for controllable pressure system" to improve the rated value of the product (see 5.11);
--- Increased the rated value of "rated insulation level for insulation and/or opening and closing" to improve the rated value of the product (see 5.12);
--- Increased the rating of the protection level in the case of low-voltage side arcs, if the manufacturer has provisions to improve the safety of the pre-installed substation
Sexual requirements (see 5.102.3);
--- Move the external mechanical impact in "Protection of substations to mechanical stress" to "Protection level provided by the enclosure" because
External mechanical impact is part of the enclosure protection level;
--- Added 6.20 X-ray, 6.21 corrosion, consistent with GB/T 11022-2011 structure (see 6.20 and 6.21);
--- Increased the requirements for internal arc faults on the low-voltage side to improve the safety requirements of pre-installed substations (see 6.103 and
7.102.3);
--- Increased the requirements of the type test cycle to meet the specific reality of my country (see 7.1.1);
--- According to the relevant standards of low-voltage switchgear, the power frequency withstand voltage test of the low-voltage connection wire is added to the insulation test to improve the type test
Inspection items (see 7.2.102.3);
--- "Functional test for satisfactory operation" has been added to the type test, and the requirements have been clarified to improve the safety of pre-installed substations
Total requirements, increase operability (7.104);
--- Insulation test and grounding continuity test of low-voltage connection wires were added to the factory test to improve the safety requirements of pre-installed substations
Seeking (see 8.102 and 8.107);
--- D.4 in Appendix D of International Standards has been rewritten to suit the actual operation of our products.
This standard has made the following editorial changes.
--- In order to be consistent with my country's standard system, the name of this standard was changed to "high-voltage/low-voltage prefabricated substation";
--- According to the requirements of GB/T 1.1-2009, modify the table 104 of IEC 62271-202..2014 to the table 104 of this standard ~
Table 106.
Please note that some content of this document may involve patents. The issuer of this document does not assume responsibility for identifying these patents.
This standard was proposed by the China Electrical Equipment Industry Association.
This standard is under the jurisdiction of the National High Voltage Switchgear Standardization Technical Committee (SAC/TC65).
This standard was drafted by. Xi'an High Voltage Apparatus Research Institute Co., Ltd., Shanghai Jinyou Jinhong Intelligent Electric Co., Ltd., Shanghai
Tianling Switch Factory Co., Ltd., ABB (China) Co., Ltd., China Electric Power Research Institute Co., Ltd., Shanghai Electric Power Transmission and Distribution Test
Center Co., Ltd., Schneider Electric (China) Co., Ltd., Beijing ABB High Voltage Switchgear Co., Ltd., Cooper (Ningbo) Electric Co., Ltd.
Division, Jiangsu Huaguan Electric Group Co., Ltd., Changzhou Pacific Power Equipment (Group) Co., Ltd., Qingdao Terad Electric Co., Ltd.,
Beijing Beikai Electric Co., Ltd., Changde Tianma Electric Co., Ltd., Zhejiang Shitong Electric Manufacturing Co., Ltd., Yihe Electric Group
Co., Ltd., Ningbo Aox High-tech Co., Ltd., Shenzhen Qihui Electric Co., Ltd., Chint Electric Co., Ltd., Suzhou Branch
Ludongzi Electric Co., Ltd., Sichuan Huayi Electric Co., Ltd., Gansu Great Wall Electrical Engineering Research Institute Co., Ltd., Henan Senyuan Electric
Co., Ltd., Henan Huasheng Longyuan Electric Co., Ltd., Risheng Group Co., Ltd., Anhui Xinlong Electric Co., Ltd., Shanghai Huayin
Switch Factory Co., Ltd., Henan Pinggao Electric Co., Ltd., Chuankai Electric Co., Ltd., Shandong Taikai Electric Appliance Co., Ltd., Xi'an West
Electric Switch Electric Co., Ltd., Xi'an Xidian High Voltage Switch Co., Ltd., Beijing Career Distribution Automation Co., Ltd., Shandong Taikai
High Voltage Switch Co., Ltd., Schneider (Shaanxi) Bao Photoelectric Co., Ltd., Qingdao Ocean Electric Equipment Testing Co., Ltd., State Grid Sichuan Province Power
Electric Power Research Institute, China Quality Certification Center, Shunte Electric Equipment Co., Ltd.
The main drafters of this standard. Feng Wujun, Xing Na, Tian Enwen, Zhang Zixiao, Jiang Ziyuan, Sun Mei, Chang Yong, Hu Jing, Wang Ting, Xie Ruitao, Tan Yan,
Wang Liang, Wu Chunjiu, Zheng Ronglin, Lei Xiaoqiang, Qi Junchen, Liu Chengxue, Yin Rongming, Yuan Chunping, Qu Dongming, Cao Weizheng, Li Yan, Feng Jiaxiang, Ye Shuxin,
Song Dewen, Tian Xiaoyue, Lu Yian, Li Yuanbo, Wang Pengcheng, Yang Jianfa, Liu Aihua, Wei Kai, Tang Jinping, Deng Aiyue, Li Kaiming, Wu Weiguo,
Li Honglou, Ji Guanghui, Ren Fengfeng, Ye Rui, Wang Zhaojun, Hou Yanjie, Lu Ping, Wang Yan, Yang Chao, Han Haiyang, Wang Liuqing, Wang Jiayi, Gao Jing, Liang Hongtao.
The previous versions of the standard replaced by this standard are as follows.
--- GB/T 17467-1998, GB/T 17467-2010.
Introduction
Prefabricated substations are defined as type-tested and used to transfer electrical energy from high-voltage systems to low-voltage systems or from low-voltage systems to high-voltage
The equipment for power transmission of the system usually includes transformers, low-voltage and high-voltage switchgear, connecting wires and auxiliary equipment installed in the enclosure. This
Substations are installed in publicly accessible locations, and personal safety is guaranteed in accordance with the prescribed conditions of use.
This means that in addition to the specified characteristics, ratings and related test procedures, special attention should be paid to the provisions on personal protection, including operation
People and the general public. This protection is ensured by the use of type-tested components as well as reasonable design and the structure of the housing. Pre-installed
The correct design and performance of the substation are verified by the relevant type tests specified in this standard, including the internal arc fault test.
High-voltage/low-voltage prefabricated substation
1 Scope
This standard specifies the operating conditions, ratings, design and structure, type tests and high-voltage/low-voltage or low-voltage/high-voltage prefabricated substations.
Factory test and other requirements.
This standard applies to high-voltage side AC rated voltage of 3.6kV ~ 40.5kV, including one or more transformers, operating frequency 50Hz
And below, pre-installed substations installed in locations accessible to the public and providing personal protection.
Note 1.The prefabricated substation is connected to the power grid through cables, and can be operated from its internal (entry type) or external (non-entry type). For passing
For prefabricated substations connected by overhead lines to the power grid, this standard can be referred to.
Note 2.For prefabricated substations with a rated voltage higher than 40.5kV, this standard can be referred to.
Note 3.Prefabricated substation for charging pile, prefabricated substation for shore power, photovoltaic prefabricated substation, prefabricated substation for wind power, prefabricated substation for traction
Etc., can refer to this standard. See Appendix B for more detailed requirements of photovoltaic prefabricated substations.
Note 4.For pre-installed substations installed indoors, you can refer to this standard.
Prefabricated substations can be installed on the ground, partially or completely below the ground.
The prefabricated substation consists of an enclosure and at least the following main electrical components.
--- Power Transformer;
--- High and low voltage switchgear and control equipment;
--- High pressure and low pressure internal connection;
--- Auxiliary equipment and circuits.
2 Normative references
The following documents are essential for the application of this document. For dated references, only the dated version applies to this article
Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document.
GB/T 762-2002 standard current level (eqvIEC 60059..1999)
GB/T 1094.1-2013 Power transformer Part 1.General rules (IEC 60076-1..2011, MOD)
GB/T 1094.2-2013 Power transformers Part 2.Temperature rise of liquid immersed transformers (IEC 60076-2..2011, MOD)
GB/T 1094.5-2008 Power transformer Part 5.Ability to withstand short circuit (IEC 60076-5..2006, MOD)
GB/T 1094.7-2008 Power transformers Part 7.Load guidelines for oil-immersed power transformers (IEC 60076-7..2005,
MOD)
GB/T 1094.10-2003 Power transformers Part 10.Sound level determination (IEC 60076-10..2001, MOD)
GB/T 1094.11-2007 Power transformers Part 11.Dry-type transformers (IEC 60076-11..2004, MOD)
GB/T 1094.12-2013 Power transformers Part 12.Dry-type power transformer load guidelines (IEC 60076-12..2008,
MOD)
GB/T 1408.1-2016 Insulation material electrical strength test method Part 1.Test at power frequency (IEC 60243-1..2013,
IDT)
GB/T 2900.10-2013 Electrician terminology cable (IEC 60050-461..2008, IDT)
GB/T 2900.20-2016 Electrical engineering terminology high-voltage switchgear and control equipment (IEC 60050-441.1984, MOD)
GB/T 3906-2020 3.6kV ~ 40.5kV AC metal enclosed switchgear and control equipment (IEC 62271-200..2011,
MOD)
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