GB/T 15166.2-2023 English PDFUS$1679.00 · In stock
Delivery: <= 9 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 15166.2-2023: High-voltage alternating-current fuses - Part 2: Current-limiting fuses Status: Valid GB/T 15166.2: Historical versions
Basic dataStandard ID: GB/T 15166.2-2023 (GB/T15166.2-2023)Description (Translated English): High-voltage alternating-current fuses - Part 2: Current-limiting fuses Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: K43 Classification of International Standard: 29.120.50 Word Count Estimation: 84,866 Date of Issue: 2023-09-07 Date of Implementation: 2024-04-01 Older Standard (superseded by this standard): GB/T 15166.2-2008 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 15166.2-2023: High-voltage alternating-current fuses - Part 2: Current-limiting fuses---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.ICS 29.120.50 CCSK43 National Standards of People's Republic of China Replace GB/T 15166.2-2008 High voltage AC fuses Part 2.Current limiting fuses (IEC 60282-1.2020,High-voltagefuses-Part 1.Current-limitingfuses,MOD) Published on 2023-09-07 2024-04-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee Table of contentsPreface Ⅶ Introduction IX 1 Scope 1 2 Normative reference documents 1 3 Terms and Definitions 1 3.1 Electrical Characteristics 1 3.2 Fuses and their components 4 3.3 Additional terms 6 4 Normal and special conditions of use7 4.1 Normal usage conditions 7 4.2 Other conditions of use 8 4.3 Special conditions of use 8 4.4 Performance in the environment 9 5 Ratings and Characteristics 9 5.1 Overview 9 5.2 Rated voltage (Ur) 9 5.3 Rated insulation level (of fuse base) 10 5.4 Rated frequency 10 5.5 Rated current of fuse base 10 5.6 Rated current of fuse (Ir) 10 5.7 Temperature rise limit 11 5.8 Rated breaking capacity12 5.8.1 Rated maximum breaking current (I1) 12 5.8.2 Rated minimum breaking current and category 12 5.9 Limits of operating voltage12 5.10 Rated transient recovery voltage (TRV) 14 5.10.1 Overview 14 5.10.2 Expression method of rated TRV14 5.10.3 Expression method of rated TRV14 5.11 Time-current characteristics 15 5.12 Cutoff characteristics 16 5.13 I2t characteristics 16 5.14 Mechanical properties of the impactor 16 5.15 Thermal Action Impactor 17 5.16 Special requirements for backup fuses used in load switch-fuse combination appliances complying with GB/T 1692617 5.16.1 General 17 5.16.2 Maximum case temperature under pre-arc conditions17 5.16.3 Maximum arc withstand time 17 6 Design, construction and performance18 6.1 General requirements for fuse operation18 6.1.1 General 18 6.1.2 Standard conditions of use18 6.1.3 Standard performance conditions18 6.2 Identification mark 19 6.3 Size 19 7 Type test 19 7.1 Conditions for conducting the test19 7.2 Type test items 20 7.3 Test requirements common to all type tests20 7.3.1 General 20 7.3.2 Status of the device under test20 7.3.3 Installation of fuses 20 7.4 Insulation test 20 7.4.1 Test requirements 20 7.4.2 Application of test voltage 21 7.4.3 Atmospheric conditions during the test 21 7.4.4 Lightning impulse voltage test 21 7.4.5 Power frequency voltage dry test 21 7.4.6 Power frequency voltage wet test 22 7.5 Temperature rise test and power dissipation measurement 22 7.5.1 Test requirements 22 7.5.2 Measurement of temperature 23 7.5.3 Measurement of power dissipation 23 7.6 Breaking test 24 7.6.1 General 24 7.6.2 Test requirements 24 7.6.3 Test procedure 29 7.6.4 Alternative test methods to test mode 332 7.6.5 Breaking test of fuses of the same family 33 7.6.6 Use interpolation method to identify the same family series of fuses 35 7.6.7 Identification of homogeneous series of fuses with different lengths35 7.7 Time-current characteristic test 35 7.7.1 Test requirements 35 7.7.2 Test procedure 36 7.8 Test of impactor 36 7.8.1 General 36 7.8.2 Impactor tested36 7.8.3 Action test 36 7.8.4 Thermal-actuated impactor test 37 7.8.5 Test performance 37 8 Special tests 38 8.1 General 38 8.2 Special test items 38 8.3 Thermal shock test 38 8.3.1 Test sample 38 8.3.2 Equipment layout 39 8.3.3 Test methods 39 8.4 Power dissipation test of fuses not used in enclosures39 8.5 Waterproof (moisture immersion) test 39 8.5.1 Test conditions 39 8.5.2 Test sample 39 8.5.3 Test methods 39 8.6 Test of backup fuses used in load switch-fuse combination appliances (in compliance with GB/T 16926) 39 8.6.1 Overview 39 8.6.2 Pre-arc temperature rise test 39 8.6.3 Arc continuous withstand test 39 8.7 Insulating fluid - sealing test 40 8.7.1 General 40 8.7.2 Fluid-tightness test of fuses used to protect switchgear 40 8.7.3 Fluid-tightness test of fuses used to protect transformers 41 9 Factory test 44 10 Selection Guidelines 44 10.1 Purpose 44 10.2 General 44 10.3 Application 45 10.3.1 Installation 45 10.3.2 Selection of rated current of fuse 45 10.3.3 Select 46 by type (see 3.3.2) and minimum breaking current 10.3.4 Selection of rated voltage of fuse 47 10.3.5 Selection of rated insulation level 47 10.3.6 Time-current characteristics of high-voltage fuses 47 10.3.7 Parallel connection of fuses 48 10.4 Run 48 10.4.1 Locking the fuse in the position of use 48 10.4.2 Replacement of fuse 48 10.5 Processing 48 Appendix A (informative) Structural changes of this document compared with IEC 60282-1.202049 Appendix B (Normative) Methods for drawing the expected transient recovery voltage envelope of the loop and determining representative parameters 52 B.1 General 52 B.2 Drawing of envelope 52 B.3 Determination of parameters 52 Appendix C (informative) Reasons for selection of transient recovery voltage values for test method 1, test method 2 and test method 3 54 Appendix D (informative) Preferred arrangement for temperature rise test of oil-sealed fuses of switchgear 56 Appendix E (informative) Types and sizes of current-limiting fuses specified in current national standards57 Appendix F (Normative) Requirements for specific types of fuses used when the ambient temperature is higher than 40°C60 F.1 Types of fuses involved in this appendix60 F.1.1 Overview 60 F.1.2 Covered fuses60 F.1.3 Rejected fuse 60 F.2 General Provisions 60 F.3 Preferred MAT rating 60 F.4 Special conditions of use60 F.5 Additional breaking test requirements 61 F.5.1 Test method 61 F.5.2 Test procedure 61 F.5.3 Full range fuses. Test 62 of test mode 3 F.6 Full range fuse. Determination of I3 current 62 Appendix G (Informative) Practical Guide to Reducing Thermal Ratings of Current-Limiting Fuses 63 G.1 Purpose 63 G.2 Overview 63 Appendix H (Informative) Criteria for Determining the Validity of It Tests 71 H.1 Overview 71 H.2 Breaking process 71 Reference 72 Figure 1 Term 5 Figure 2 Allowable operating voltage of fuses with small rated current (Table 7) 13 Figure 3 shows the specified TRV 15 by the two-parameter reference line and the delay line. Figure 4 Stages of the impactor’s stroke16 Figure 5 Example 26 of a TRV two-parameter reference line that meets the type test conditions Figure 6 Breaking test---Equipment layout 28 Figure 7 Breaking test---Typical test circuit diagram of test mode 1 and test mode 2 29 Figure 8 Breaking test---Typical test circuit diagram of test mode 330 Figure 9 Breaking test---oscilloscope explanation of test mode 131 Figure 10 Breaking test---oscilloscope explanation of test mode 2 [calibration test is the same as a) in Figure 9] 32 Figure 11 Breaking test---oscilloscope explanation of test mode 3 32 Figure 12 Test procedure for protective switchgear41 Figure 13 Test procedure for joint testing of fuses used to protect transformers42 Figure 14 Test procedure 43 for testing series a) of fuses used to protect transformers Figure 15 Test procedure 44 for series b) tests on fuses used to protect transformers Figure B.1 Example of the TRV two-parameter reference line with the initial position concave to the left 52 Figure B.2 Example of a two-parameter reference line for exponential TRV53 Figure D.1 Test chamber for temperature rise test of oil-sealed fuse56 Figure D.2 Detailed view of the clamping arrangement of the fuse in the box 56 Figure G.1 Derating curves for certain permissible temperature limits66 Figure G.2 Example. Size 67 Figure G.3 Calculation of air temperature rise inside the enclosure 68 Figure G.4 Application example 69 Table 1 Altitude Correction Factor---Test Voltage and Rated Voltage8 Table 2 Altitude correction factor---rated current and temperature rise limit 8 Table 3 Rated voltage 10 Table 4 Rated insulation level of fuse base10 Table 5 Temperature and temperature rise limits for components and materials11 Table 6 Maximum allowable operating voltage 12 Table 7 Maximum allowable operating voltage of fuses with small rated current (≤3.15A)13 Table 8 Standard values of TRV14 Table 9 Mechanical characteristics of the impactor17 Table 10 Conductor cross-section for temperature rise test 22 Table 11 Breaking test parameters 25 Table 12 TRV 27 for test mode 2 Table 13 Breaking test requirements for fuses of the same family 34 Table A.1 Comparison between this document and IEC 60282-1.2020 structure number 49 Table E.1 Class I fuse dimensions 57 Table E.2 Class II fuse dimensions 58 Table E.3 Class III fuse dimensions 59ForewordThis 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 is Part 2 of GB/T 15166 "High Voltage AC Fuses". GB/T 15166 has released the following parts. ---Part 1.Terminology; ---Part 2.Current-limiting fuses; ---Part 3.Injection fuse; ---Part 4.Fuses for external protection of parallel capacitors; ---Part 5.Guidelines for selecting fuses for high-voltage fuses used in motor circuits; ---Part 6.Guidelines for selecting fuses for high-voltage fuses used in transformer circuits. This document replaces GB/T 15166.2-2008 "High Voltage AC Fuses Part 2.Current-Limiting Fuses" and is the same as GB/T 15166.2- Compared with.2008, in addition to structural adjustments and editorial changes, the main technical changes are as follows. a) Relevant regulations on normal use conditions have been changed (see Chapter 4, Chapter 2 of the.2008 edition); b) The rated insulation level of the base has been changed (see 5.3, 4.3 of the.2008 edition); c) Temperature and temperature limits have been changed (see 5.7, 4.7 of the.2008 edition); d) Added the maximum allowable operating voltage specification for 40.5kV fuses (see 5.9); e) The standard value of TRV has been changed (see 5.10, 4.10 of the.2008 version); f) Added relevant requirements for thermally operated impactors (see 5.14); g) Added verification test items that need to be conducted every 8 years (see 7.2); h) Added the selection points for pre-arc time-current test (see 7.7); i) Added relevant test requirements for thermally operated impactors (see 7.8); j) Change the oil seal test to the insulating fluid-sealing test, and propose separate tests for fuses for protective switches and protective transformers. Requirements (see 8.7, 7.7 of the.2008 version); k) The relevant provisions on factory testing have been deleted and replaced by consultation between the manufacturer and the user (see Chapter 9, Chapter 8 of the.2008 edition). This document is modified to adopt IEC 60282-1.2020 "High-voltage fuses Part 1.Current-limiting fuses". Compared with IEC 60282-1.2020, this document has many structural adjustments. Comparison list of structure number changes between two files See Appendix A for the table. The technical differences between this document and IEC 60282-1.2020 and their reasons are as follows. a) Replaced IEC 62271-105 with normative reference GB/T 16926 (see Chapter 1, 5.16.2, 10.2, 10.3.3.2, F.1.3), to adapt to the actual requirements of our country; b) Delete the five terms “lightning impulse”, “rated lightning impulse withstand voltage”, “category”, “fuse housing packaging” and “barrel” (see 3.1.23, 3.1.24, 3.3.2, 3.3.12, 3.3.13) of IEC 60282-1.2020 to adapt to the actual requirements of our country; c) The correction factor for the temperature rise limit (see 4.1) is added to Table 2 to standardize product type testing; d) Added other usage conditions (see 4.2) to standardize fuses used for ambient temperatures higher than 40°C; e) The normative reference of IEC 60644 (see 5.1, 5.3.2, 8.2 of IEC 60282-1.2020) has been deleted to adapt to my country’s actual situation. international requirements; f) The rated voltage has been changed and voltage values irrelevant to our country have been deleted (see 5.2) to adapt to the actual requirements of our country; g) Deleted the application of all fuses (see 5.2 of IEC 60282-1.2020) and the application of special fuses (see IEC 60282-1. The division method of 5.3) of 2020 is in line with the usage habits of my country's fuse industry; h) The rated insulation level of the base has been changed (see 5.3) to maintain the consistency of the insulation coordination system; i) Delete the permissions of fuses for transformer protection, fuses for motor circuit protection, fuses for capacitor protection, and fuses. Ratings and characteristics of continuous current and maximum case current (see 5.3 of IEC 60282-1.2020), these contents are in There are specifications in other parts of GB/T 15166; j) The normative reference to IEC 60549 (see 5.3.3 and 8.2 of IEC 60282-1.2020) has been deleted to adapt to my country’s actual requirements; k) The 60Hz rated frequency value (see 5.4 of IEC 60282-1.2020) has been deleted to adapt to my country’s actual requirements; l) Temperature and temperature limits (see 5.7) were changed to maintain consistency with high-voltage switchgear regarding temperature and temperature rise; m) Added the maximum allowable operating voltage specification for 40.5kV fuses (see 5.9) to better standardize product production; n) The standard value of TRV has been changed (see 5.10) to maintain parameter consistency with the matching high-voltage switchgear; o) Added verification test items that need to be conducted every 8 years (see 7.2) to better control product production quality; p) Replaced IEC 60060-1.2010 (see 7.4.3~7.4.6) with normatively cited GB/T 16927.1-2011 to suit our needs actual country requirements; q) Replaced IEC 60071-1 (see 7.4.4) with the normatively quoted GB/T 311.1 to adapt to the actual requirements of our country; r) The number of tests for test method 3 has been changed from 2 to 3 (see 7.6.1.1) to adapt to the actual requirements of our country; s) The point selection value and number of tests for the pre-arc time-current test are added (see 7.7) to standardize product type testing; t) The electromagnetic compatibility test (see 7.8 of IEC 60282-1.2020) has been deleted. This test is meaningless for the product; u) Delete the division method that certain types of fuses are applicable and tested only when required by the user (see 8.2), in order to comply with my country's fuse Usage habits of the equipment industry; v) The indicator test is deleted (see 8.3.1 of IEC 60282-1.2020), which is meaningless for the product; w) Added selection guidelines (see Chapter 10) to facilitate product selection; x) Added normative reference to GB/T 3804 (see 10.3.4) to adapt to the actual requirements of our country. The following editorial changes have been made to this document. ---In order to coordinate with the existing standards, the name of the standard is changed to "High Voltage AC Fuses Part 2.Current-Limiting Fuses"; ---Move the term "maximum operating temperature" (see E.3 in IEC 60282-1.2020) to Chapter 3 (see 3.3.11) to comply with GB/T 1.1 requirements; ---Added Appendix A (informative) "Structural changes in this document compared with IEC 60282-1.2020"; ---Added Appendix G (informative) "Practical Guide to Reducing Thermal Ratings of Current-Limiting Fuses". This document is proposed by the China Electrical Equipment Industry Association. This document is under the jurisdiction of the National Fuse Standardization Technical Committee (SAC/TC340). This document was drafted by. Xi'an High Voltage Electrical Apparatus Research Institute Co., Ltd., Risheng Group Co., Ltd., Xi'an Jiaotong University, State Grid Hebei Provincial Electric Power Co., Ltd. Electric Power Research Institute, Cooper Electronic Technology (Shanghai) Co., Ltd., China Electric Power Research Institute Co., Ltd., State Grid Electric Power Research Institute of Liaoning Electric Power Co., Ltd., Electric Power Research Institute of State Grid Zhejiang Electric Power Co., Ltd., State Grid Shaanxi Electric Power Company Electric Power Research Institute, Shanghai Electric Transmission and Distribution Test Center Co., Ltd., Schneider Electric (China) Co., Ltd., Shanghai Dikang Electric Power Equipment Co., Ltd., Shandong Taikai Intelligent Power Distribution Co., Ltd., Suzhou Electrical Apparatus Research Institute Co., Ltd., Zhejiang Bada Electronic Instrument Co., Ltd. Si Shitong Electrical Branch, Ningbo Shunli High Voltage Switch Technology Co., Ltd., Eaton Electric Co., Ltd., Jiangdong Fitting Equipment Co., Ltd., Chint Electric Co., Ltd., Dekai Quality Certification (Shanghai) Co., Ltd., Zhejiang Minyuan High Voltage Electrical Co., Ltd. The main drafters of this document. Tian Enwen, Zhang Zixiao, Shi Weijian, Feng Wujun, Liu Zhiyuan, Xing Na, Pang Xianhai, Sun Mei, Sun Ming, Gu Chaomin, Xie Ruitao, Feng Ying, Fan Guangwei, Wang Feiming, Zhao Qingbin, Xie Cheng, Shi Hongwei, Yang Ren, Kong Xiangjun, Qiu Weifeng, Lei Xiaoqiang, Tan Yan, Ren Xiaodong, Yang Yingjie, Ye Shuxin, Li Xiaodong, Hu Guangfu, Chen Hongfei, Le Sanxiang, Cui Xudong, Chen Wen, Dai Haoze. The previous versions of this document and the documents it replaces are as follows. ---First published as GB/T 15166.2-1994 in.1994, first revised in.2008; ---This is the second revision.IntroductionHigh-voltage AC fuse products are widely used in my country's power transmission and distribution systems with nominal voltages of 3kV and above, as well as factories, mines, enterprises, and residents. In residential areas, it also serves as a protection device for lines and equipment such as motors, transformers, fuses, etc. In this regard, our country has established a system to support high-pressure GB/T 15166 "High Voltage AC Fuse" series of national standard systems for AC fuse products. GB/T 15166 aims to establish the applicable The guidelines for the design, rating, testing and selection of high-voltage AC fuses for special use occasions are planned to consist of 7 parts. ---Part 1.Terminology. The purpose is to provide common terminology for standards within the system. ---Part 2.Current-limiting fuses. The purpose is to provide normative requirements for high-voltage AC current-limiting fuses. ---Part 3.Injection fuse. The purpose is to put forward normative requirements for high-voltage AC jet fuses. ---Part 4.Fuses for external protection of parallel capacitors. The purpose is to provide fuses for external protection of parallel capacitors, a special special additional requirements. ---Part 5.Guidelines for selecting fuses for high-voltage fuses used in motor circuits. The purpose is to protect the motor circuit The special working condition of fuses imposes special additional requirements. ---Part 6.Guidelines for selecting fuses for high-voltage fuses used in transformer circuits. The purpose is to protect the transformer circuit The special working condition of fuses imposes special additional requirements. ---Part 7.High-voltage fuse guidelines and application guidelines. The purpose is to provide guidance for the selection of fuses under different operating conditions. High voltage AC fuses Part 2.Current limiting fuses1 ScopeThis document specifies the normal and special operating conditions, ratings and characteristics, design and structure, type testing, factory testing, etc. of current-limiting fuses. requirements. This document is suitable for indoor or outdoor use designed and installed in AC systems with a nominal voltage of 3kV and above and a frequency of 50H......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 15166.2-2023_English be delivered?Answer: Upon your order, we will start to translate GB/T 15166.2-2023_English as soon as possible, and keep you informed of the progress. The lead time is typically 6 ~ 9 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 15166.2-2023_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 15166.2-2023_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. 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