Home Cart Quotation About-Us
www.ChineseStandard.net
SEARCH

GB/T 19212.1-2023 English PDF

GB/T 19212.1: Historical versions

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 19212.1-2023RFQ ASK 3 days Safety of transformers, reactors, power supply units and combinations thereof - Part 1: General requirements and tests Valid
GB/T 19212.1-2016RFQ ASK 13 days Safety of power transformers, power supplies, reactors and similar products -- Part 1: General requirements and tests Obsolete
GB 19212.1-2008RFQ ASK 9 days Safety of power transformers, power supplies, reactors and similar products -- Part 1: General requirements and tests Obsolete
GB 19212.1-2003RFQ ASK 14 days Safety of power transformers, power supply units and similar -- Part 1: General requirements and tests Obsolete

Similar standards

GB/T 19212.5   GB/T 10228   GB/T 8286   GB/T 19212.2   GB/T 19212.9   GB/T 19212.4   

Basic data

Standard ID: GB/T 19212.1-2023 (GB/T19212.1-2023)
Description (Translated English): Safety of transformers, reactors, power supply units and combinations thereof - Part 1: General requirements and tests
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K41
Classification of International Standard: 29.180
Word Count Estimation: 144,169
Date of Issue: 2023-09-07
Date of Implementation: 2024-04-01
Older Standard (superseded by this standard): GB/T 19212.1-2016
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 19212.1-2023: Safety of transformers, reactors, power supply units and combinations thereof - Part 1: General requirements and tests


---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 29.180 CCSK41 National Standards of People's Republic of China Replace GB/T 19212.1-2016 Safety of transformers, reactors, power supply units and combinations thereof Part 1.General requirements and tests (IEC 61558-1.2017, MOD) Published on 2023-09-07 2024-04-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee

Table of contents

Preface V Introduction VIII 1 Scope 1 2 Normative reference documents 3 3 Terms and Definitions 6 4 General Rule 18 5 General matters for testing18 6 Rated 20 7 Category 20 8 Logo and other information21 9 Protection against electric shock 26 10 Change of input voltage setting value 29 11 Load output voltage and output current 29 12 No-load output voltage 30 13 Short circuit voltage 30 14 Fever 30 15 Short circuit and overload protection37 16 Mechanical strength 41 17 Protection against the harmful ingress of dust, solid foreign objects and moisture 43 18 Insulation resistance, dielectric strength and leakage current 47 19 Structure 51 20 components 62 21 Internal wiring 66 22 Power connections and other external flexible cables or cords 66 23 External wire terminal 72 24 Protective earthing device 73 25 Screws and connections 74 26 Creepage distances, clearances and through-insulation distances 76 27 Heat resistance, flame resistance and tracking resistance 89 28 Anti-rust 92 Appendix A (informative) Comparison between this document and IEC 61558-1.2017 structure number 93 Appendix B (informative) Technical differences between this document and IEC 61558-1.2017 and their reasons 98 Appendix C (Normative) Routine test (production test) 100 Appendix D (Normative) Tests for Series Transformers 101 Appendix E (Normative) Electronic Circuits 103 Appendix F (informative) Description of protection level IP code 106 Appendix G (informative) Symbols for thermal circuit breakers 108 Appendix H (informative) Example of test voltage application point in dielectric strength test 109 Appendix I (informative) Example 111 of the guidance on the use of 19.1 Appendix J (normative) Insulated winding wire 114 Appendix K (Normative) Requirements for manual switches as assembly parts of transformers 117 Appendix L (Normative) Dimensions, basic dimensions and coordination of transformer rectangular cross-section connector 119 Appendix M (Normative) Measurement of creepage distances and clearances 121 Appendix N (informative) Examples of creepage distance and clearance measurement points 124 Appendix O (normative) Tracking test 127 Appendix P (informative) Application instructions for 6.1.2.2.1 in GB/T 16935.1-2008 128 Appendix Q (Normative) Glow Wire Test 130 Appendix R (Normative) Coated printed circuit boards 131 Reference 132 Figure 1 Principles for the formulation of GB/T 19212 (all parts) X Figure 2 Embedded transformer installation box 20 Figure 3 Test pin (see GB/T 16842 test tool 13) 27 Figure 4 Standard test finger (see GB/T 16842 test tool B) 28 Figure 5 Example of single-phase mutual loading method 34 Figure 6 Three-phase mutual load method example 35 Figure 7 Random test amplitude spectral density 43 Figure 8 Test voltage 49 Figure 9 Test configuration. single-phase equipment 50 on a star-connected TN or TT system Figure 10 Wear resistance test of insulating coating 57 Figure 11 Flexible testing equipment 70 Figure 12 Test device for testing the mechanical resistance of thin-layer insulating materials 82 Figure 13 Ball pressure test device 89 Figure E.1 Example of an electronic circuit with a small power point 105 Figure G.1 Manual reset 108 Figure G.2 Power off reset 108 Figure G.3 Thermal fuse (see 3.3.5) 108 Figure G.4 Self-resetting thermal circuit breaker 108 Figure H.1 Class I transformer with metal casing109 Figure H.2 Class II structure transformer with metal casing 110 Figure H.3 Class II structural transformer with insulating material casing110 Figure I.1 Example of concentric structure 111 Figure I.2 Parallel structure example 112 Figure I.3 Example of winding without shield 112 Figure I.4 Example of wrapped winding structure 113 Figure I.5 Example of winding with shield 113 Figure M.1 Example 1 121 Figure M.2 Example 2 122 Figure M.3 Example 3 122 Figure M.4 Example 4 122 Figure M.5 Example 5 122 Figure M.6 Example 6 123 Figure M.7 Example 7 123 Figure M.8 Example 8 123 Figure N.1 Transformer of Class I structure 124 Figure N.2 Class I structural transformer with grounded metal shield 125 Figure N.3 Class II structural transformer with metal shell 125 Figure N.4 Class II structural transformer with insulating material casing126 Table 1 Symbols on the device or in the instructions24 Table 2 Maximum temperature value during normal use 32 Table 3 Description of the maximum winding temperatures required in Table 233 Table 4 Test temperature and test time for each cycle 36 Table 5 Maximum temperature under short circuit or overload conditions38 Table 6 T and k values of fuses39 Table 7 Pulling force on pin 42 Table 8 Vibration test conditions (random) 42 Table 9 Amplitude spectral density (ASD) values for accelerated life testing42 Table 10 Frequency values according to sample mass 43 Table 11 Test to prevent solid foreign objects from entering the transformer 45 Table 12 Insulation resistance value 47 Table 13 Dielectric strength test voltage value table 48 Table 14 Current Limit 51 Table 15 Nominal cross-sectional area of external flexible cables or cords 68 Table 16 Tensile forces and moments applied to power cords 71 Table 17 Torques exerted on screws and connections 75 Table 18 Torque test of sealing cover 76 Table 19 Electrical clearance 80 Table 20 Creepage distance 83 Table 21 Through insulation distance 85 Table 22 Creepage distance and clearance between external terminals 86 Table 23 Minimum outer diameter and minimum test voltage of FIW conductors (according to the increase of enameled coating) 87 Table A.1 Comparison between this document and IEC 61558-1.2017 structure number93 Table B.1 Technical differences between this document and IEC 61558-1.2017 and their reasons 98 Table F.1 The first characteristic number represents the protection level against access to hazardous parts 106 Table F.2 Protection level 107 for solid foreign matter entry represented by the first characteristic number Table F.3 Protection level represented by the second characteristic number 107 Table J.1 Round rod diameter 115 Table J.2 Oven temperature 115 Table K.1 Peak surge current for additional loads118 Table L.1 Dimensions of rectangular copper connectors119 Table M.1 Width of trenches based on pollution level121 Table P.1 Impulse test voltage determined according to 6.1.2.2.1 in GB/T 16935.1-2008 128

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 is Part 1 of GB/T 19212 "Safety of transformers, reactors, power supply units and their combinations". GB/T 19212 has been The following sections have been published. test; ---GB/T 19212.2-2012 Safety of power transformers, power supplies, reactors and similar products Part 2.General purpose classification Special requirements and tests for separate transformers and power supplies with built-in isolating transformers; ---GB/T 19212.3-2012 Safety of power transformers, power supplies, reactors and similar products Part 3.Control transformers Special requirements and tests for power supplies with built-in control transformers; ---GB/T 19212.4-2016 Safety of transformers, reactors, power supply units and their combinations Part 4.Gas and oil burning Special requirements and tests for burner ignition transformers; ---GB/T 19212.5-2011 Transformers, reactors, power supply units and similar products with power supply voltage of 1100V and below Safety Part 5.Special requirements and tests for isolating transformers and power supply units incorporating isolating transformers; ---GB/T 19212.6-2013 Safety of transformers, reactors, power supply units and combinations thereof Part 6.Transformers for shavers Special requirements and tests for appliances, power supply units for shavers and power supply units for shavers; ---GB/T 19212.7-2012 Transformers, reactors, power supply units and similar products with power supply voltage of 1100V and below Safety Part 7.Special requirements and tests for safety isolating transformers and power supply units incorporating safety isolating transformers; ---GB/T 19212.8-2012 Safety of power transformers, power supplies, reactors and similar products Part 8.Transformers for toys Special requirements and tests for devices and power supplies; ---GB/T 19212.9-2016 Safety of transformers, reactors, power supply units and their combinations Part 9.Electric bells and bell transformers Special requirements and tests for voltage regulators and power supply units; ---GB/T 19212.10-2014 Safety of transformers, reactors, power supply units and their combinations - Part 10.Class III portable tungsten Special requirements and tests for transformers and power supply units for filament lamps; ---GB/T 19212.11-2020 Safety of transformers, reactors, power supply units and their combinations Part 11.High insulation level Particular requirements and tests for isolating transformers and isolating transformers with output voltages exceeding 1000 V ---GB/T 19212.13-2019 Safety of transformers, reactors, power supply units and combinations thereof Part 13.Constant voltage transformers and special requirements and tests for power supply units; ---GB/T 19212.14-2012 Transformers, reactors, power supply units and similar products with power supply voltage of 1100V and below Safety Part 14.Special requirements and tests for autotransformers and power supply units with built-in autotransformers; ---GB/T 19212.15-2016 Safety of transformers, reactors, power supply units and their combinations - Part 15.Voltage regulators and internal Special requirements and tests for power supply units equipped with voltage regulators; ---GB/T 19212.16-2017 Safety of transformers, reactors, power supply units and their combinations Part 16.Supply for medical places Special requirements and tests for electrical isolating transformers; ---GB/T 19212.17-2019 Transformers, reactors, power supply units and similar products with power supply voltage of 1100V and below Safety Part 17.Special requirements and tests for switching power supply units and transformers for switching power supply units; ---GB/T 19212.20-2008 Safety of power transformers, power supply units and similar products Part 20.Interference attenuation changes Special requirements for pressure regulators; ---GB/T 19212.21-2014 Safety of transformers, reactors, power supply units and combinations thereof Part 21.Small reactors special requirements and tests; ---GB/T 19212.24-2020 Safety of transformers, reactors, power supply units and their combinations Part 24.For use on construction sites Special requirements and tests for transformers and power supply units; ---GB/T 19212.27-2017 Safety of transformers, reactors, power supply units and their combinations Part 27.Energy saving and others Purpose. Special requirements and tests on transformers and power supply units. This document replaces GB/T 19212.1-2016 "Safety of transformers, reactors, power supply units and their combinations - Part 1.General requirements "Summation Test", compared with GB/T 19212.1-2016, in addition to structural adjustments and editorial changes, the main technical changes are as follows. ---Added fully insulated winding (FIW) wire and its parameter table (see Chapter 19 and Table 23); ---Changed the creepage distance, electrical clearance and through-insulation distance (see Table 19, Table 20 and Table 21, Table 13, Table C.1 of the.2016 edition and Table D.1); ---Added different overvoltage category usage symbols, symbols for altitudes higher than.2000m, symbols for damaged plug pins of power supply units and the latest Low temperature symbol (see Table 1, 8.11 of the.2016 edition); ---Added simulated load method and mutual load method as alternative temperature measurement methods (see 14.1.2); ---The simulated load method and the mutual load method have been added to the short circuit and overload protection temperature measurement methods (see 15.1.2); ---The temperature values in Table 2 have been changed according to GB/T 34662-2017 (see Table 2, Table 1 of the.2016 version); --- Added partial discharge test for transformers using FIW structure and reproducing peak voltage greater than 750V (see 18.3); ---Added structural requirements when using annular iron cores (see 19.12.3.1); ---Changed the requirements for enclosure protection level (IP code) (see Chapter 17, Chapter 17 of the.2016 edition); ---Increased the size of the transformer rectangular cross-section connector (see Appendix L); ---Added the requirement that the repeated dielectric strength test voltage value be 80% of the normal value (see Appendix C); ---Added vibration tests for transformers suitable for vehicles and railway equipment (see 16.5); ---Added the use of two Y1 capacitors when the operating voltage exceeds 250V but does not exceed 500V and overvoltage category III Requirements for bridging (see 19.9). This document is modified to adopt IEC 61558-1.2017 "Safety of transformers, reactors, power supply units and their combinations - Part 1.General requirements Summation Test". Compared with IEC 61558-1.2017, this document has many structural adjustments. Comparison list of structure number changes between two files See Appendix A for the table. Compared with IEC 61558-1.2017, there are many technical differences between this document and the clauses involved in the outer margins. Straight single lines (|) are marked. A list of these technical differences and their causes is provided in Appendix B. The following editorial changes have been made to this document. ---The content of the introduction has been adjusted and improved; ---Change IEC original text 3.1.1, 3.1.7, 3.1.9, 3.1.9.1.1, 3.1.9.2, 3.1.19, 3.1.20, 3.1.21, 3.2.1.2, 3.2.2, 3.2.3. 3.2.9, 3.2.12, 3.3.7, 3.3.9, 3.4.8, 3.4.9, 3.5.3.1, 3.5.7, 3.5.8, 3.5.11, 3.5.11.1, 3.5.11.2, 3.5.11.3、 3.5.11.4, 3.7.1, 3.7.1.1, 3.7.2, 3.7.4, 3.7.7, 3.7.8, 3.7.9, 3.7.11, 3.7.12.1, 3.7.12.2, 3.7.18, 3.7.twenty one and "Note 1" in 3.8.2 are adjusted to "Note"; "Note" in 3.4.8 is deleted; ---Deleted 3.1.8, 3.1.17, 3.2.14 and 5.12 whose original IEC content was "blank"; ---Chapter "1, 2, 3" and "Appendix M, Appendix N and Appendix P" mentioned in paragraph 3 of the original IEC text have been deleted in 4.2; ---Added mention of Appendix E in 5.15, 15.6, and 26.4; ---Deleted the clause numbers of the original IEC 7.6.1 and 7.6.2 and changed them to itemized form; ---Modified the voltages in Note 1, Note 2 and Note 3 in 8.1; ---Deleted the note in the "Description or Name" column in the last row of Table 1 of the original IEC text; ---Deleted the clause numbers of IEC original text 9.2.1.3.1 and 9.2.1.3.2, and changed them to itemized form; ---Correct the "simulated load method" in paragraph 2 of 14.1.1 and Note 1 to "simulated load method or mutual load method"; ---Change K1 in equation (4) of 14.1.2.1 to K1; ---Deleted the column item symbol in the original IEC 14.1.3, and moved all the content starting from Table 2 after the column item to 14.1.1, and the standards mentioned in the "Note" at the end of Table 3 have been adjusted; ---Deleted the clause numbers in the original IEC 14.2.1~14.2.3 and changed them to itemized form; ---Adjusted the format of Table 5 in 15.1.1; ---Deleted the clause numbers of IEC original text 15.3.1~15.3.5 and changed them to itemized form; ---Deleted the clause number and note 1 of the original IEC 16.4.1, and adjusted its note 2 to the note of 16.4; ---Adjusted the format of Table 10 in 16.5.1; ---Adjust the "A~L" columns in the original IEC 17.1.2 to clause form, and adjust the format of Table 12; ---Deleted the clause number of IEC original text 18.3.1; ---Deleted the clause numbers of 19.1.4.3.1~19.1.4.3.3 in the original IEC text and changed them to itemized form; ---Replace the two contents of IEC 60384-14.2013 and its 3.4.2 in the original IEC text 19.8 with IEC 60384-14.2023 and its The content of 8.4.2 is replaced; --- Titles have been added to all clauses contained in the original IEC 19.12, and the listing form of 19.12.3.2 has been revised. Adjustment; ---Added article titles to the original IEC text 20.1~20.12, and deleted the article numbers of 20.8.2.1 and 20.8.2.2; ---Replace IEC 60730-1 and IEC 60730-1.2013 in the original IEC text 20.8 with GB/T 14536.1 and The corresponding content of GB/T 14536.1-2022 is replaced; ---Replace IEC 60691.2015 in the original IEC text 20.9.1 with IEC 60691.2023; --- Added titles to the original IEC text 22.1~22.9, deleted the content noted in Table 16 of the original IEC text, and revised Figure 12 perfected; ---Corrected the table serial number mentioned in paragraph 1 of IEC original text 26.1 (added Table 22 corresponding to IEC original text Table 23); ---Adjust "Note 3" in the original IEC 26.1 to "Note 2"; ---Deleted the footnotes and content of the original IEC Table 24; ---The items listed in Appendix B of the original IEC text have been adjusted, and the item serial numbers mentioned in the main text have been corrected; ---Deleted the note in the original K.2.5 (J.2.5 of this document); ---Introductory words have been added to the relevant provisions of Appendix M of the original IEC text, and the "Class I (II)" sub-map in Figure M.3 has been revised. correct; ---Corrected sub-figure b) in the original IEC figure N.1; ---The references have been adjusted and the index of the original IEC text has been deleted. Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents. This document is proposed by the China Electrical Equipment Industry Association. This document is sponsored by the National Technical Committee for Standardization of Small Power Transformers, Reactors, Power Supply Units and Similar Products (SAC/TC418) Return to home. This document was drafted by. China Electronics Technology Standardization Institute, Shenyang Transformer Research Institute Co., Ltd., Beijing Teruit Testing Technology Service Co., Ltd., Tongling Ruibo Electronic Technology Co., Ltd., Dongguan Mingpu Opto-Magnetic Co., Ltd., Zhongshan Baolijin Electronics Co., Ltd. Company, Wenzhou Chint Power Electric Co., Ltd., Tianjin Optoelectronics Huigao Electronics Co., Ltd., Dongguan Dazhong Electronics Co., Ltd., Quzhou Sanyuanhui Neng Electronics Co., Ltd., Guangdong Dianbang New Energy Technology Co., Ltd., and Shenzhen Electrical Equipment Research Institute. The main drafters of this standard. Guo Jianyu, Zhang Xianzhong, Liu Li, Li Xinman, Yang Jianmin, Lin Junrong, Li Yuzhen, Wang Xin, Li Hui, Li Dongbo, Li Zhengzhong, Hu Wenkang, Wang Lishu, Liu Yunzhu, Xiao Minying. The previous versions of this document and the documents it replaces are as follows. ---First published as GB 19212.1-2003 in.2003, revised for the first time in.2008, and revi......
Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 19212.1-2023_English be delivered?

Answer: Upon your order, we will start to translate GB/T 19212.1-2023_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 19212.1-2023_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 19212.1-2023_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. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 19212.1-2023?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 19212.1-2023 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.