GB/T 1001.1-2021 English PDFUS$1089.00 · In stock
Delivery: <= 7 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 1001.1-2021: Insulators for overhead lines with a nominal voltage above 1 000V - Part 1: Ceramic or glass insulator units for a. c. systems - Definitions, test methods and acceptance criteria Status: Valid GB/T 1001.1: Historical versions
Basic dataStandard ID: GB/T 1001.1-2021 (GB/T1001.1-2021)Description (Translated English): Insulators for overhead lines with a nominal voltage above 1 000V - Part 1: Ceramic or glass insulator units for a. c. systems - Definitions, test methods and acceptance criteria Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: K48 Word Count Estimation: 57,560 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 1001.1-2021: Insulators for overhead lines with a nominal voltage above 1 000V - Part 1: Ceramic or glass insulator units for a. c. systems - Definitions, test methods and acceptance criteria---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. Insulators for overhead lines with a nominal voltage above 1 000V -- Part 1: Ceramic or glass insulator units for acsystems -- Definitions, test methods and acceptance criteria ICS 29:080:10 CCSK48 National Standards of People's Republic of China Replacing GB/T 1001:1-2003 Overhead line insulators with nominal voltage higher than 1000V Part 1: Porcelain or glass insulator elements for AC systems Definitions, Test Methods and Judgment Criteria (IEC 60383-1:1993, MOD) 2021-12-31 Released 2022-07-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface VII Introduction X 1 Scope 1 2 Normative references 1 3 Terms and Definitions 2 4 Classification, types, characteristics and insulating materials of insulators 3 4:1 Classification of insulators 3 4:2 Type 4 of insulators 4:3 Insulation material 4 4:4 Specified Characteristics 4 5 Identification of insulators 4 6 Test classification 4 6:1 Type test 4 6:2 Sampling test 5 6:3 Test-by-test 5 6:4 Type test 5 7 Procedures for type and sampling tests 5 7:1 Extraction of type test insulators 5 7:2 Sampling Rules and Procedures for Sampling Tests 5 7:3 Repeated test procedure for sampling test 6 8 General requirements for high voltage tests 6 9 Standard atmospheric conditions and correction factors for electrical tests 7 9:1 Standard reference atmospheric conditions 7 9:2 Correction factor for atmospheric conditions7 10 Artificial Rain Parameters for Wet Test 7 11 Installation arrangement for electrical tests 7 12 Lightning impulse voltage test (type test) 7 12:1 General 7 12:2 Test procedure 7 12:3 Criterion 7 13 Wet power frequency voltage test (type test) 8 13:1 Test procedure 8 13:2 Criterion 8 14 Breakdown withstand test (type test and sampling test, only for type B insulators) 8 14:1 General provisions for breakdown withstand test 8 14:2 Power frequency breakdown withstand test 8 14:3 Impact breakdown test in air 9 15 Voltage-by-voltage test (for type B porcelain insulators only) 9 16 Radio interference test (type test and sampling test) 9 16:1 Atmospheric Conditions 9 16:2 Test procedure 10 16:3 Decision criteria 10 17 Visible corona voltage test (type test) 10 17:1 Atmospheric conditions 10 17:2 Test procedure 10 17:3 Decision criteria 10 18 Dimensional inspection (type test and sampling test) 11 18:1 General requirements 11 18:2 Creepage distance deviation 11 18:3 Judgment Criteria 11 19 Residual mechanical strength test (type test and sampling test) 11 19:1 Pre-test 11 19:2 Preparation of test samples 11 19:3 Test procedure 11 19:4 Test results 12 19:5 Criteria for type testing 12 19:6 Judgment Criteria for Sampling Tests 12 19:7 Comparison of Type Test and Sampling Test Results 12 20 Electromechanical failure load test (type test and sampling test) 13 20:1 Test procedure 13 20:2 Judgment Criteria 13 21 Mechanical failure load test (type test and sampling test) 13 21:1 Test procedure for pin insulators and line post insulators 13 21:2 Test procedure for insulator string elements 13 21:3 Criteria for determining pin insulators 13 21:4 Criteria for determining string elements and line post insulators 13 22 Thermomechanical performance test (type test) 14 22:1 Test procedure 14 22:2 Decision criteria 15 23 Inspection of Axial, Radial and Angular Offset (Sampling Test) 15 23:1 Test procedure 15 23:2 Criteria for determining disc suspension insulators 16 23:3 Judgment Criteria for Long Rod Insulators 17 24 Inspection of locking device (sampling test) 17 24:1 General 17 24:2 Conformity of locking devices 17 24:3 Checking the locked state 17 24:4 Position of the locking device 17 24:5 Procedure for operating tests 17 24:6 Criteria for operating tests 18 25 Temperature cycle test (pre-test of residual strength test in sampling test and type test) 18 25:1 Test Procedures for String Elements, Pin Insulators, and Line Post Insulators 18 25:2 Special test procedures for thick section or oversized insulators 18 25:3 Additional provisions 19 25:4 Judgment Criteria 19 26 Thermal shock test (sampling test) 19 26:1 Test procedure 19 26:2 Judgment Criteria 19 27 Porosity test (sampling test) 19 27:1 Test procedure 19 27:2 Judgment Criteria 20 28 Zinc coating test (sampling test) 20 28:1 General rules for testing galvanized coatings 20 28:2 Test procedure 20 28:3 Judgment Criteria 20 29 Visual inspection one by one 21 29:1 Insulators 21 29:2 Porcelain insulators 21 29:3 Glass insulators 22 30 Mechanical tests one by one 22 30:1 One-by-one mechanical test of line post insulators 22 30:2 Mechanical testing of insulator string elements one by one 22 31 Pin insulator test items refer to Table 22 32 Installation arrangement for pin insulator test 24 32:1 Standard installation arrangements for electrical testing 24 32:2 Installation arrangements for electrical tests to simulate conditions of use 24 32:3 Installation arrangement for mechanical failure load test 24 33 Test items for line post insulators refer to Table 24 34 Statistical analysis constants for line post insulator test results 26 34:1 Constants for type testing 26 34:2 Constants for sampling tests 26 35 Installation arrangement for line post insulator test 26 35:1 Standard installation arrangements for electrical testing 26 35:2 Electrical tests and installation arrangements to simulate service conditions 26 35:3 Mounting arrangement for mechanical failure load test 27 36 Refer to Table 27 for test items of insulator string components 37 Regulations for the type test of insulator strings 29 37:1 Electrical type test of insulator strings 29 37:2 Mechanical type test 29 38 Statistical analysis constants for test results of insulator string elements 30 38:1 Constants for type testing 30 38:2 Constant 30 for sampling test of disc suspension insulators with SFL ≥ 160kN 38:3 Sampling test constants for long rod insulators and disc suspension insulators with SFL < 160kN 30 39 Installation arrangement for electrical test of insulator string components 31 40 Test of insulators for overhead electric traction lines 31 41 Installation Arrangement for Electrical Test of Insulators for Overhead Electric Traction Lines 31 41:1 Standard installation arrangements 31 41:2 Installation arrangements to simulate conditions of use 31 Appendix A (informative) This document and IEC 60383-1:1993 chapter number comparison table 32 Appendix B (informative) Technical differences between this document and IEC 60383-1:1993 and their reasons34 Appendix C (Informative) Methods of Comparison of Electromechanical or Mechanical Type Test and Sampling Test Results 36 Appendix D (normative) Specified parameters of radio interference test 37 D:1 Disk type suspension insulator string element 37 D:2 Other line insulators or insulator components 37 Appendix E (Informative) Diagram of the Determination Procedure for Mechanical and Electromechanical Tests of Insulator String Elements and Line Post Insulators 38 E:1 Program block diagram 38 E:2 Acceptance and Rejection Calculation Examples 39 Appendix F (Informative) Impact Test of Disk Suspension Porcelain or Glass Insulator String Elements 42 F:1 Information on Strike Testing 42 F:2 Test procedure 42 F:3 Judgment Criteria 42 F:4 Test device 42 Figure 1 Diagram of thermomechanical performance test 15 Figure 2 Measurement of Axial and Radial Offset 16 Figure 3 Angular offset measurement 16 Figure 4 Maximum thickness of insulators 19 Figure E:1 Block diagram of determination procedure for mechanical or electromechanical type test 38 Figure E:2 Block diagram of determination procedure for mechanical or electromechanical sampling test 38 Figure E:3 Flow chart for comparison of type test and sampling test results 39 Figure F:1 Front view of impact test device 43 Figure F:2 Side View of the Impact Test Device 44 Figure F:3 Top view of impact test device 44 Figure F:4 Dial detail Figure 45 Figure F:5 Hammer detail Figure 45 Figure F:6 Copper nose detail Figure 46 Table 1 Sampling test sample size of insulator type test5 Table 2 Number of samples for sampling test of insulators6 Table 3 Range of three operating load values for the locking pin operating test 18 Table 4 Refer to Table 23 for the test items of pin insulators Table 5 Refer to Table 25 for the test items of line post insulators Table 6 Constants for sampling test of line post insulators 26 Table 7 Refer to Table 27 for test items of insulator string components Table 8 Constant 30 for sampling test of disc suspension insulators with SFL≥160kN Table 9 Constants for sampling test of long rod insulators and disc suspension insulators with SFL < 160kN 30 Table A:1 This document and IEC 60383-1:1993 chapter number comparison table 32 Table B:1 Technical differences between this document and IEC 60383-1:1993 and their reasons 34 Table C:1 Limiting constants 36 for the absence of repeated tests Table C:2 Limiting constants for the case of repeated tests 36 Table D:1 Radio interference voltage test parameters of other line insulators or insulator components Table 37 Table E:1 Example of mechanical or electromechanical sampling test 40 Table E:2 Blank table for calculation of mechanical or electromechanical sampling test 41 forewordThis document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents" drafted: This document is part 1 of GB/T 1001 "Overhead Line Insulators with a Nominal Voltage Above 1000V": GB/T 1001 has been issued The following parts are distributed: --- Part 1: Definition, test methods and criteria for determination of porcelain or glass insulator components for AC systems; --- Part 2: Definition, test methods and acceptance criteria for insulator strings and insulator strings for AC systems: This document replaces GB/T 1001:1-2003 "Overhead line insulators with nominal voltage higher than 1000V - Part 1: AC system Porcelain or glass insulator components - Definitions, test methods and criteria for determination", compared with GB/T 1001:1-2003, except for structural adjustment and In addition to editorial changes, the main technical changes are as follows: --- Added the term "specified failure load" (see 3:12); --- Delete the term "characteristics specified in 3:16" and adjust its content to "characteristics specified in 4:4" in Chapter 4 (see 4:4); --- Added "Type Test" in Chapter 6 (see 6:4); --- Deleted the chapter "Quality Assurance" (see Chapter 7 of the:2003 edition); --- Added column E3 of sample size in Table 2 of "Sampling Rules and Procedures for Sampling Tests" (see 7:2); --- Modified the content of the chapter "Breakdown Resistance Test", (see Chapter 14, see Chapter 15 of the:2003 edition); --- Added "16 Radio Interference Test" chapter (see Chapter 16); --- Added "17 Visible corona voltage test" chapter (see Chapter 17); --- In "18:1 General Requirements" of "18 Dimensional Inspection", the requirements for the height deviation of the disc suspension insulator structure are added (see 18:1); --- Modified the content of chapter "19 Residual Mechanical Strength Test", and improved the quality index of the residual mechanical strength test judgment criteria and requirements (see Chapter 19), and are listed as mechanically equivalent design items (see 6:1, see Chapter 18 of the:2003 edition); --- Revised "Criteria for the determination of pin insulators" (see 21:3, see 20:3 of the:2003 edition); --- Modified the "Test Procedure" of "Thermal Mechanical Properties Test", and modified the minimum temperature in the cooling and heating cycle from "-30 °C ± 5 °C" to "-40℃±5℃", the minimum temperature difference is synchronously modified to 80K (see 22:1, see 21:1 of the:2003 edition); --- Modified the diagram of thermomechanical performance test (see Figure 1, Figure 1 of the:2003 edition); --- Modified the "Criteria for Operation Test" in the chapter "Checking of the Locking Device", that is, operating the locking pins of the connection marks 28 and 32 The test value has been changed from the note to the formal selection parameter, and the relevant parameters of the connection marks 36 and 40 have been added (see 24:6 and Table 3, see 23:5 of the:2003 edition); --- Modified the content of the chapter "Temperature Cycling Test": The article titled "Porcelain Insulator String Elements, Pin Insulators and Line Post Insulators" "Test procedures for insulators" is rewritten as "Test procedures for insulator string elements, pin insulators and line post insulators": The content of the subsection has also been revised accordingly (see 25:1, see 24:1 of the:2003 edition); --- Deleted "Test procedures for annealed glass insulator string elements, pin insulators and line post insulators" (see the:2003 edition of 24:2); and revised the judgment criteria (see 25:4, see 24:5 of the:2003 edition); --- Modified the description of "Test Procedure" in the "Porosity Test" chapter (see 27:1, see 26:1 of the:2003 edition); --- Revised the "Reference Table of Pin Insulator Test Items" and added the item "Radio Interference Test" (see Table 4); --- Revised the "Line Post Insulator Test Item Reference Table" and added the "Radio Interference Test" item (see Table 5); ---Modified the "Insulator String Component Test Item Reference Table", and added "Radio Interference Test" and "Visible Corona Electricity Test" in the type test: "Pressure Test" and "Breakdown Tolerance Test" items; "Radio Interference Test" and "Residual Mechanical Strength Test" are added to the sampling test Item, the item "Breakdown Resistance Test" was revised (see Table 7); --- Modified the "Constants for Type Tests" (see 38:1) in the chapter "Statistical Analysis Constants for Test Results of Insulator String Elements", and therefore in In 6:1, the description of "Appendix C is not applicable to disc suspension insulator string elements with SFL≥160kN" is added (see 6:1); --- Added "Sampling test constants for disc suspension insulators with SFL ≥ 160kN" (see 38:2); --- Modify the title of "Sampling Test Constant" to "Sampling Test for Long Rod Insulators and Disk Suspension Insulators with SFL < 160kN constants" (see 38:3); --- Modified the description of "Test of Insulators for Overhead Electric Traction Lines" (see Chapter 40); --- Added Appendix D (normative) "Radio Interference Test Specified Parameters" as the basis for the determination of the new test (see Appendix D): This document uses the redrafted method to modify the use of IEC 60383-1:1993 "Overhead Line Insulators with a Nominal Voltage Above 1000V" Part 1: Definitions, test methods and criteria for determination of porcelain and glass insulator components for AC systems: Compared with IEC 60383-1:1993, this document has many structural adjustments: Appendix A lists this document and IEC 60383-1: 1993 chapter numbering comparison list: Compared with IEC 60383-1:1993, there are technical differences between this document and the clauses involved in these differences have been specified in the outer margin of the document: The vertical single line (|) at the white position is marked: A list of these technical differences and their reasons is given in Appendix B: Please note that some content of this document may be patented: The issuing agency of this document assumes no responsibility for identifying patents: This document is proposed by China Electrical Equipment Industry Association: This document is under the jurisdiction of the National Standardization Technical Committee of Insulators (SAC/TC80): This document is drafted by: Xi'an High Voltage Electric Apparatus Research Institute Co:, Ltd:, China Electric Power Research Institute Co:, Ltd:, Suzhou Electric Power Research Institute Porcelain Factory Co:, Ltd:, Dalian Electric Porcelain Group Power Transmission and Transformation Materials Co:, Ltd:, Sichuan Global Insulator Co:, Ltd:, China Southern Power Grid Scientific Research Institute Co:, Ltd:, General Electric Power Planning and Design Institute, Nanjing Electrical Insulator Co:, Ltd:, National Insulator Arrester Quality Supervision and Inspection Center, Inner Mongolia Jingcheng High Voltage Insulator Co:, Ltd:, Chongqing University, Sediwell Glass Insulator (Shanghai) Co:, Ltd:, State Grid Zhejiang Provincial Electric Power Co:, Ltd: Power Co:, Ltd: Electric Power Research Institute, Guangdong Power Grid Co:, Ltd: Electric Power Research Institute, China Railway Research Institute Group Co:, Ltd: Driver Vehicle Research Institute, State Grid Jibei Electric Power Co:, Ltd: Intelligent Distribution Network Center, China Electric Power Engineering Consulting Group East China Electric Power Design Institute, Sinoma Jiangxi Electric Porcelain Electric Co:, Ltd:, Jiangxi Baixin Electric Porcelain Electric Co:, Ltd:, Pingxiang Huawei Electric Porcelain Technology Co:, Ltd:, China Qualified Assessment National Accreditation Center, China Railway Guocai Insulation Materials Co:, Ltd:, Pingxiang Best Electric Porcelain Co:, Ltd:, Chongqing Pigeon Electric Porcelain Co:, Ltd:, Zibo Electric Porcelain Factory Co:, Ltd:, Zhejiang Tailun Insulator Co:, Ltd:, Pingxiang Hiklaas Electric Porcelain Co:, Ltd:, State Grid Tibet Electric Power Co:, Ltd: Co:, Ltd: Electric Power Research Institute, Pingxiang Huatong Electric Porcelain Manufacturing Co:, Ltd:, Hunan Yangdong Electric Porcelain Electric Co:, Ltd:, Pingxiang City, Jiangxi Province East China Export Electric Porcelain Co:, Ltd:, Nankeng High Voltage Electric Porcelain Factory, Pingxiang City, Jiangxi Province, Liling Huaxin Electric Porcelain Technology Co:, Ltd:, Zigong Hongxing High Voltage Piezoelectric Porcelain Co:, Ltd:, Shandong Ruitai Glass Insulator Co:, Ltd:, Sanrui Technology (Jiangxi) Co:, Ltd:, State Grid Liaoning Electric Power Co:, Ltd:, Luxi County Electric Porcelain Electric Industry Administration, Pingxiang City, Jiangxi Province Nanxi Electric Porcelain Electric Manufacturing Co:, Ltd:, Pingxiang City, Jiangxi Province Yuxiang Electric Porcelain Manufacturing Co:, Ltd: Co:, Ltd:, Jiangxi Gaoqiang Electric Porcelain Group Co:, Ltd:, Jiangxi Quanxin Electric Co:, Ltd:, Hunan Hudian Electric Power Equipment Co:, Ltd: The main drafters of this document: Hu Wenqi, Deng Tao, Lu Zhou, Zhang Jijun, Zeng Hong, Li Qingfeng, Luo Bing, Wei Peng, Li Yongshuang, Zhao Hui, Jia Jiangbo, Shi Yubing, Xiang Liang, Wang Yunpeng, Liu Zhiqiang, Wang Zhijun, Jiang Xinliang, Yang Ming, Wang Shaohua, Peng Xiangyang, Guo Chenxi, Liu Yaxin, Huang Weizhong, Zhang Xuchang, He Yuanhua, Zhang Xuejun, Zhang Rui, Shen Ziqiang, Hu Wenhua, Chen Di, Liu Jiasheng, Yao Junrui, Luo Hanying, Wang Xingfang, Wu Yanhong, Yu Xianghua, Xiaobuqiong, Liu Mingzhong, Li Zhiqun, Xie Xiyun, Liu Xiaoxing, Huang Gang, Gu Chuanhua, Wei Xuepeng, Lu Haixia, Shi Yuqi, Liu Zhiping, Chen Gang, Liu Chunlei, Yang Fanglei, Su Huan, Chen Zhaoming, Cai Haiduo, Zhou Wenbing: The previous versions of this document and its superseded documents are as follows: --- First published in 1967 as GB 1001-1967, first revised in 1980, second revised in 1986; ---In the third revision in 1988, the content of GB 1000:1-1988 "Technical Conditions for Pin-Type Porcelain Insulators for High Voltage Lines" was ...... |
