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GB/T 19212.17-2019: Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V -- Part 17: Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units
Status: Valid GB/T 19212.17: Evolution and historical versions
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| GB/T 19212.17-2019 | English | 839 |
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Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V -- Part 17: Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units
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GB/T 19212.17-2019
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| GB 19212.17-2013 | English | RFQ |
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[GB/T 19212.17-2013] Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100V -- Part 17: Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply
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PDF similar to GB/T 19212.17-2019
Basic data | Standard ID | GB/T 19212.17-2019 (GB/T19212.17-2019) | | Description (Translated English) | Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V -- Part 17: Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K41 | | Classification of International Standard | 29.180 | | Word Count Estimation | 42,465 | | Date of Issue | 2019-10-18 | | Date of Implementation | 2020-05-01 | | Older Standard (superseded by this standard) | GB/T 19212.17-2013 | | Quoted Standard | GB 4793.1; GB 4943.1; GB 9706.1; GB/T 16895.21; GB/T 16935.4-2011; GB/T 16935.5-2008; GB/T 19212.1-2016; GB/T 19212.2; GB/T 19212.5; GB/T 19212.7; GB/T 19212.14; GB/T 23311; IEC 60317-0-7-2012; IEC 60317-56; IEC 60851-3-2009; IEC 60851-5-2008; IEC 61204-7 | | Adopted Standard | IEC 61558-2-16-2013, MOD | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | | Summary | This standard specifies the safety requirements for switch-mode power supply units and transformers for switch-mode power supply units. Transformers with electronic circuits are also included in this standard. | GB/T 19212.17-2019: Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V -- Part 17: Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units
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Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1 100 V--Part 17. Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units
ICS 29.180
K41
National Standards of People's Republic of China
Replace GB/T 19212.17-2013
Transformer with a power supply voltage of 1100V or less,
Safety of reactors, power supplies and similar products
Part 17. Switching power supply units and switch type
Special requirements and tests for transformers for power supply units
Safetyoftransformers, reactors, powersupplyunitsandsimilarproductsfor
supplyvoltagesupto1100V-Part 17.Particularrequirementsand
(IEC 61558-2-16.2013, Safetyoftransformers, reactors, powersupply
1100V-Part 2-16. Particularrequirementsandtestsforswitchmodepower
Supplyunitsandtransformersforswitchmodepowersupplyunits, MOD)
2019-10-18 released 2020-05-01 implementation
State market supervision and administration
China National Standardization Administration issued
Content
Foreword III
Introduction V
1 Scope 1
2 Normative references 2
3 Terms and Definitions 3
4 General requirements 4
5 General description of the test 4
6 rating 4
7 Category 4
8 signs and other information 5
9 electric shock protection 6
10 Input voltage setting change 6
11 load output voltage and output current 6
12 no-load output voltage 6
13 short circuit voltage 7
14 fever 7
15 Short circuit and overload protection 7
16 Mechanical strength 8
17 Protection against dust, solid foreign objects and harmful moisture entering 8
18 Insulation resistance, dielectric strength and leakage current 8
19 structure 9
20 components 16
21 Internal wiring 16
22 Power connections and other external flexible cables or cords 16
23 External wire terminal block 16
24 protective grounding device 16
25 screws and connections 16
26 Creepage distance, clearance and through insulation distance 16
27 Heat, flame and tracking resistance 28
28 rust prevention 28
Appendix K (Normative) Insulated Winding Wire 30
Appendix AA (informative) Partial discharge (PD) test 33
Appendix BB (Normative) Special requirements for transformers for switching power supplies with internal frequencies greater than 500 Hz 34
Reference 36
Figure 101 Test voltage 9
Figure 102 Clearance size determination Figure 17
Figure 103 Creepage distance size determination Figure 18
Figure 104 Determine the allowable electric field strength of the solid insulation size according to equation (2).
Table 101 Output voltage ratio 7
Table 8a Dielectric Strength Test Voltage Value Table 8
Table 102 Maximum outer diameter value and minimum test voltage value of FIW line increased according to enamel cladding
Table 103 Clearance values at frequencies greater than 30 kHz for an approximately uniform electric field condition specified in 4.3 of GB/T 16935.4-2011
Table 104 Clearance values of transient overvoltage or repeated peak voltage generated by the SMPS primary side circuit at frequencies less than 30 kHz
Table 105 Minimum value of clearance in air under non-uniform electric field conditions at frequencies greater than 30 kHz 19
Table 106 Basic insulation or additional insulation - minimum value of creepage distance in different frequency ranges (pollution level 1) 21
Table 107 Basic insulation or additional insulation - minimum value of creepage distance in different frequency ranges (pollution level 2) 22
Table 108 Basic insulation or additional insulation - minimum value of creepage distance in different frequency ranges (pollution level 3) 23
Table 109 Double or reinforced insulation - minimum value of creepage distance in different frequency ranges (pollution level 1) 24
Table 110 Double or reinforced insulation - minimum value of creepage distance in different frequency ranges (pollution level 2) 25
Table 111 Double or reinforced insulation - minimum value of creepage distance in different frequency ranges (pollution level 3) 26
Table K.1 Reel diameter 31
Table K.2 Oven temperature 31
Foreword
GB/T 19212 "Safety of transformers, reactors, power supply units and their combinations" 1) consists of the following parts.
1) In GB/T 19212, some parts are under the heading "Safety of Power Transformers, Power Sources, Reactors and Similar Products", and some parts are in "Power Supply Voltage".
Under the heading "Safety of transformers, reactors, power supply units and similar products of 1100V and below", some parts are in "Transformers, Reactors, Electricity".
Under the heading "Safety of Source Devices and Their Combinations", the title of the future GB/T 19212 may be revised.
--- Part 1. General requirements and tests;
--- Part 2. Particular requirements and tests for power supply for general purpose separation transformers and built-in separation transformers;
--- Part 3. Particular requirements and tests for controlling the power supply of transformers and built-in control transformers;
--- Part 4. Particular requirements and tests for gas and oil burner ignition transformers;
--- Part 5. Particular requirements and tests for power supply units for isolating transformers and built-in isolating transformers;
--- Part 6. Special requirements and tests for razor transformers, power supply units for razors and razor supply units;
--- Part 7. Particular requirements and tests for safety isolating transformers and power supply units with built-in safety isolating transformers;
--- Part 8. Special requirements and tests for transformers and power supplies for toys;
--- Part 9. Special requirements and tests for transformers and power supply units for electric bells and clocks;
--- Part 10. Particular requirements and tests for transformers and power supply units for Class III portable tungsten lamps;
--- Part 13. Special requirements for constant voltage transformers;
--- Part 14. Particular requirements and tests for autotransformers and power supply units with built-in autotransformers;
--- Part 15. Particular requirements and tests for power supply units for voltage regulators and built-in regulators;
--- Part 16. Special requirements and tests for isolation transformers for power supply in medical facilities;
--- Part 17. Particular requirements and tests for transformers for switch-type power supply units and switch-type power supply units;
--- Part 20. Particular requirements for interference attenuation transformers;
--- Part 21. Special requirements and tests for small reactors;
--- Part 24. Particular requirements for transformers for construction sites;
--- Part 27. Particular requirements and tests for transformers and power supply units for energy and other purposes.
This part is the 17th part of GB/T 19212. This part is based on GB/T 19212.1-2016, this part
It must be used in conjunction with GB/T 19212.1-2016. This section supplements and repairs the corresponding chapters and articles of GB/T 19212.1-2016.
Change to convert the contents of GB/T 19212.1-2016 into the content of this section. This section is for GB/T 19212.1-2016
The added content is numbered starting from 101, and the newly added appendix numbers are AA, BB, etc.
This part is drafted in accordance with the rules given in GB/T 1.1-2009.
This part replaces GB/T 19212.17-2013 "Transformers, reactors, power supply units and classes with a supply voltage of 1100V and below"
Safety of products - Part 17. Particular requirements and tests for transformers for switch-type power supply units and switch-type power supply units. versus
Compared with GB/T 19212.17-2013, the main technical changes are as follows.
--- Added "Introduction";
---Modified normative references (see Chapter 2);
--- Added terms and definitions (see Chapter 3);
--- Increased the requirements for voltage coefficient requirements of dielectric strength test for different structural products (see 18.3);
--- Added provisions for partial discharge testing using FIW winding wire products (see 18.102);
--- Revised the structure of the provisions (see Chapter 19);
--- Increased creepage distance, clearance and penetration distance (see Chapter 26);
--- Added Appendix K (see Appendix K).
This section uses the redrafting method to modify the IEC 61558-2-16.2013 "power supply voltage of 1100V and below transformers, electricity
Safety of equipment, power supply units and similar products - Part 2-16. Particulars of transformers for switch-type power supply units and switch-type power supply units
Requirements and Tests.
The technical differences between this part and IEC 61558-2-16.2013 and their reasons are as follows.
---About the normative reference documents, this part has made technical adjustments to adapt to China's technical conditions, adjustments
The situation is reflected in Chapter 2, “Regulatory Citations”, and the specific adjustments are as follows.
● Retained the technical differences between GB/T 19212.1-2016 and IEC 61558-1.2009 in Chapter 2, so that
Used in conjunction with GB/T 19212.1-2016;
● Replace IEC 60950-1 with GB 4943.1 modified to international standards (see Chapter 1);
● Removed IEC 60227 (all parts);
● Added GB/T 19212.1-2016 (see Chapters 14 and 19.1) and GB/T 16935.5-2008 (see Chapter 26) to
Easy to use.
--- Change the three voltage multiples of the international standard 19.1.1.3 to 1.06 to 1.1 in order to meet the actual situation in China.
This section also made the following editorial changes.
--- In order to meet the unified numbering of GB/T 19212 series standard, change the standard name to "change of power supply voltage of 1100V and below"
Safety of compressors, reactors, power supply units and similar products - Part 17. Switching power supply units and switching power supply units
Special requirements and tests for transformers;
--- Adjusted the table and figure number of the international standard;
--- Removed the headings of international standards 26.105 and 26.106 to unify the standard structure;
--- References added IEC 60851-5.1988 and IEC 61558-2-17.1997.
This part was proposed by China Electrical Equipment Industry Association.
This part is composed of the National Standardization Technical Committee for Small Power Transformers, Reactors, Power Supply Units and Similar Products (SAC/TC418).
Return to the mouth.
This section drafted by. Shenyang Transformer Research Institute Co., Ltd., Beijing Tairuite Testing Technology Service Co., Ltd., Shanghai
Municipal Quality Supervision and Inspection Technology Research Institute, Ministry of Industry and Information Technology, Fifth Institute of Electronics, Saibao Quality and Safety Testing Center, Tongling Sanjia Transformer
Technology Co., Ltd., Zhongshan Baolijin Electronics Co., Ltd., Shanghai Entry-Exit Inspection and Quarantine Bureau Electromechanical Product Testing Technology Center, Pearl
Electric Co., Ltd.
The main drafters of this section. Zhang Xianzhong, Zhang Yafang, Yu Yimin, Sun Jianlong, Zhang Hong, Li Xinman, Lin Junrong, Liang Hui, Mao Qiwu.
The previous versions of the standards replaced by this section are.
---GB 19212.18-2006;
---GB/T 19212.17-2013.
Introduction
This section will allow the use of fully insulated winding wires (FIW wires) in a switched-mode power supply unit (SMPS).
Manufacturers should be aware that the FIW line may be damaged during production and transportation.
Transformer with a power supply voltage of 1100V or less,
Safety of reactors, power supplies and similar products
Part 17. Switching power supply units and switch type
Special requirements and tests for transformers for power supply units
1 Scope
This chapter of GB/T 19212.1-2016 is replaced by the following.
This part of GB/T 19212 specifies the safety requirements for transformers for switched-mode power supplies and switch-mode power supplies. With electronics
Line transformers are also included in this section.
Note 1. Safety requirements include electrical, temperature and mechanical aspects.
This section applies to.
a) Built-in safety isolating transformer, providing AC or DC SELV in accordance with GB/T 17045 and GB/T 16895.21,
PELV or FELV output voltage or some combination of output voltages, switches for household and other consumer products
Type power supply unit, except for products included in GB 8898, IEC 61347 series, IEC 61204-7 and GB 4943.1;
b) Switching type for household and other consumer products with a maximum output voltage not exceeding 1000V AC or 1414V without ripple DC
Power supply unit, but the products included in item a), GB 8898, IEC 61347 series, IEC 61204-7 and GB 4943.1 contain
Except for products;
c) This section can be used with transformers used in switch-mode power supplies (see Appendix BB).
The security requirements contained in this section are for.
--- Corresponding to the general purpose separation SMPS of GB/T 19212.2;
--- Corresponding to the general purpose isolation SMPS of GB/T 19212.5;
--- Corresponding to the general purpose safety isolation SMPS of GB/T 19212.7;
--- Corresponding to the general purpose auto-coupled SMPS of GB/T 19212.14.
For SMPS corresponding to other parts of the GB/T 19212 series, the corresponding requirements apply. In addition, the requirements listed in this section
Also applies. When the two standards are inconsistent, the more stringent criteria are preferred.
Note 2. Since the highest rated supply voltage of the internal transformer is 1000V, the highest rated supply voltage of the switched-mode power supply may be due to the rectification method.
Lower.
This section contains stand-up or mobile, single-phase or multi-phase, air-cooled (self-cooling or air-cooled), stand-alone or matching switch-type power supply units.
The rated power supply voltage does not exceed 1100V AC, the rated power supply frequency does not exceed 500Hz, and the rated internal working frequency exceeds 500Hz, but
No more than 100MHz, rated output not exceeding 1kVA or 1kW, built-in dry-type transformer with enclosed winding or non-encapsulated winding.
The rated output of the matching transformer for the switch-type power supply unit included in Appendix BB of this part shall not exceed.
--- For single-phase transformers, 25kVA;
--- For multiphase transformers, 40kVA.
Note 3. Additional requirements are required for higher frequencies, but this section can be used as a guide.
The no-load output voltage or rated output voltage of the switched-mode power supply unit does not exceed.
--- When using a separation transformer or autotransformer, it is AC 1000V or no ripple DC 1415V;
--- When using an isolation transformer, it is AC 500V or no ripple DC 708V;
--- When using a safety isolating transformer, it is AC 50V or no ripple DC 120V.
For independent switched-mode power supplies, when using a split transformer or autotransformer, the no-load output voltage or rated output voltage is not
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