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DL/T 637-2019 English PDF

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DL/T 637-2019: (Fixed valve-regulated lead-acid battery for power)
Status: Valid

DL/T 637: Historical versions

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
DL/T 637-2019679 Add to Cart 5 days (Fixed valve-regulated lead-acid battery for power) Valid
DL/T 637-1997559 Add to Cart 4 days Specification for order of the valve regulated sealed lead-acid batteries Obsolete

Similar standards

GB/T 5008.1   QC/T 744   QC/T 743   DL/T 2226   

Basic data

Standard ID: DL/T 637-2019 (DL/T637-2019)
Description (Translated English): (Fixed valve-regulated lead-acid battery for power)
Sector / Industry: Electricity & Power Industry Standard (Recommended)
Classification of Chinese Standard: K84
Word Count Estimation: 27,250
Date of Issue: 2019-06-04
Date of Implementation: 2019-10-01
Older Standard (superseded by this standard): DL/T 637-1997
Regulation (derived from): Natural Resources Department Announcement No. 7 of 2019
Issuing agency(ies): National Energy Administration

DL/T 637-2019: (Fixed valve-regulated lead-acid battery for power)

---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.
Stationary valve-regulated lead-acid batteries for electric power DL/T 996-2019 ICS 29.220.20 K 84 People's Republic of China Electric Power Industry Standard Replace DL/T 637-1997 Fixed valve-regulated lead-acid battery for electric power 2019-06-04 released 2019-10-01 implementation Issued by National Energy Administration

Table of contents

Foreword...IV 1 Scope...1 2 Normative references...1 3 Terms and definitions...1 4 Symbols...2 5 Model compilation...2 6 Classification, specifications and application ambient temperature...3 6.1 Battery classification...3 6.2 Battery specifications...3 6.3 Ambient temperature for battery application...3 7 Technical requirements...3 7.1 Structural requirements...3 7.2 Safety requirements...4 7.3 Usability requirements...5 7.4 Electrical compliance requirements...6 7.5 Durability requirements...8 8 Test method...9 8.1 Measuring instruments...9 8.2 Preparation before test...9 8.3 Visual inspection...9 8.4 Internal inspection...9 8.5 Weighing...9 8.6 Terminal check...9 8.7 Tightness check...9 8.8 Gas evolution test...9 8.9 High current withstand capability test...10 8.10 Explosion-proof capability test...10 8.11 Anti-acid fog ability test...10 8.12 Safety valve test...10 8.13 Ground short circuit resistance test...10 8.14 Flame retardancy test of materials...12 8.15 Resistance to mechanical damage test...12 8.16 Cold and heat resistance test...12 8.17 Capacity performance test...12 8.18 Charge retention performance test...12 8.19 Recharge performance test...13 8.20 Impulse discharge performance test...13 8.21 Connection performance test between batteries...13 8.22 Terminal voltage equalization test...13 8.23 Internal resistance test...13 8.24 60℃ Floating Charge Durability Test...14 8.25 Overdischarge sensitivity test...14 8.26 Mark and mark durability test...14 8.27 Discharge and impulse discharge characteristic curve test...14 9 Inspection Rules...15 9.1 Inspection classification...15 9.2 Type test...15 9.3 Inspection items and sample quantity...15 9.4 Inspection criteria...16 10 Information to be provided when inquiring, ordering and bidding...17 10.1 Information to be provided when inquiring and ordering...17 10.2 Information to be provided when bidding...17 11 Packaging, marking, transportation and storage...17 11.1 Packaging...17 11.2 Logo...17 11.3 Accompanying documents...18 11.4 Product Warranty Document...18 11.5 Product Manual...18 11.6 Accompanying accessories...18 11.7 Installation accessories...18 11.8 Transportation...19 11.9 Storage...19 Appendix A (informative appendix) Evaluation of internal resistance of batteries and their applications...20 Appendix B (informative appendix) Structural dimensions of battery plates and busbars...21

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is a revision of DL/T 637-1997 "Technical Conditions for Ordering Valve Regulated Sealed Lead-acid Batteries", and is in line with DL/T 637- Compared with.1997, the main differences are as follows. --The name of the standard was changed to "Fixed Valve Regulated Lead Acid Battery for Electric Power"; --Added the adsorption electrolyte valve-regulated lead-acid battery, gel electrolyte valve-regulated lead-acid battery, and the test room to measure the internal resistance of the battery And on-site measurement of battery internal resistance and other terms and definitions; --Added model designation; -Added classification, specifications and application ambient temperature; -Supplemented the structural technical requirements of the external dimensions and weight; -Supplemented the safety technical requirements for the ability to resist acid fog, the ability to withstand grounding short-circuits, the flame-retardant ability of materials, and the ability to resist mechanical damage; --Supplementary technical requirements for charging parameters and recharging performance; -Modified the electrical consistency technical requirements for terminal voltage balance and internal resistance; - Supplement the durability technical requirements for 60℃ float charge durability, overdischarge sensitivity and durability of signs and marks; - Deleted the technical requirements for overcharge resistance and overcharge life that have been deleted in GB/T 19638.1-2014; --Modified the test method and inspection rules; --Added information that should be provided when inquiring, ordering and bidding; -Modified packaging, marking, transportation and storage; -Add Appendix A (informative appendix) "Evaluation of internal resistance of batteries and their applications". -Add Appendix B (informative appendix) "Structural dimensions of battery plates and bus bars". This standard was proposed by the China Electricity Council. This standard is under the jurisdiction of the Power Industry High Voltage Switchgear and DC Power Supply Standardization Technical Committee. The main drafting organizations of this standard. China Electric Power Research Institute Co., Ltd., SPIC Science and Technology Research Institute Co., Ltd., Shanxi Dongshengyang Power Supply Co., Ltd., State Grid Jiangsu Electric Power Research Institute. Participated in the drafting of this standard. Shenzhen Power Supply Bureau Co., Ltd., State Grid Jibei Electric Power Co., Ltd. Zhangjiakou Power Supply Company, State Grid Hebei Province Electric Power Research Institute, State Grid Inner Mongolia Eastern Electric Power Co., Ltd., State Grid Shaanxi Electric Power Company, China Electric Power Engineering Consultants Mission North China Electric Power Design Institute Co., Ltd., State Grid Shandong Electric Power Company, State Grid Hebei Electric Power Company, Shuangdeng Group Co., Ltd., Guangzhou Dongtangqian Battery Co., Ltd., Chaowei Power Supply Co., Ltd., Guangdong Power Grid Co., Ltd. Zhuhai Power Supply Bureau, State Grid Anhui Electric Power Company Electric Power Research Institute, State Grid Liaoning Electric Power Research Institute, State Grid Sichuan Electric Power Research Institute, State Grid Mountain Western Electric Power Company, State Grid Anhui Electric Power Company, State Grid Hubei Electric Power Company, Shenzhen Aotxun Power Equipment Co., Ltd., China Power Saipu Inspection and Certification (Beijing) Co., Ltd., Jiangsu Leoch Battery Co., Ltd., Zhejiang Nandu Power Supply Co., Ltd., Weihai Wenlong Battery Co., Ltd., Sichuan Electric Power Design Consulting Co., Ltd., Harbin Coslight Power Co., Ltd., Fengfan Co., Ltd. Xu Water Industry Battery Branch. The main drafters of this standard. Zhao Mengxin, Zhao Jun, Kong Delong, Yu Weicheng, Huang Zhechen, Yang Zhongliang, Wang Hong, Li Bingyu, Li Wenzhen, Luo Hanwu, Sui Zhe, Sun Ming, Zhang Zhenqian, Gu Nihong, Gan Yinhui, Liu Songju, Miao Junjie, Zhu Fuqin, Shao Shuangxi, Ji Chunhua, Xie Shuang, Wang Zhihua, Yang Wei, Wu Zhiqi, Li Jing, Chen Zhong, Wang Zhongjie, Ke Yanguo, Yang Ming, Wang Fengren, Yuan Hongtao, Lin Xiaodong, Chen Dong, Chen Chang, Hu Defeng, Ge Yulin, Wang Lizhai. After the implementation of this standard, it will replace DL/T 637-1997. The release status of previous versions of this standard. --DL/T 637-1997 The opinions or suggestions during the implementation of this standard are fed back to the Standardization Center of the China Electricity Council (Baiguang Road, Beijing No. 100761). Fixed valve-regulated lead-acid battery for electric power

1 Scope

This standard specifies the classification, specifications and application ambient temperature of fixed valve-regulated lead-acid batteries for electric power (hereinafter referred to as batteries) Technical requirements, test methods, inspection rules, information, packaging, marking, transportation and storage that should be provided when inquiring, ordering and bidding. This standard applies to substations, converter stations, power plants and other power facilities that are integrated with DC power equipment or AC and DC power equipment Combined together or fixed in the battery room, it is mainly used for floating charge operation, used for control, protection, power, operation, accident lighting and uninterrupted Power supply or similar valve-regulated lead-acid batteries and battery packs.

2 Normative references

The following documents are indispensable for the reference of this standard. For dated reference documents, only the dated version applies to this standard. For undated reference documents, the latest version (including all amendments) is applicable to this standard. GB/T 2408-2008 Determination of the combustion properties of plastics by horizontal and vertical methods GB/T 2900.41 Electrician terminology primary batteries and accumulators GB/T 5048 moisture-proof packaging GB/T 8166 Cushion packaging design GB/T 9969 General Rules for the Use of Industrial Products GB/T 13384 General technical conditions for packaging of mechanical and electrical products GB/T 14436 General Rules of Guarantee Documents for Industrial Products GB/T 19638.1-2014 Fixed valve-regulated lead-acid batteries Part 1.Technical conditions GB/T 19638.2-2014 Fixed valve-regulated lead-acid batteries Part 2.Product varieties and specifications DL/T 5044-2014 Technical Specification for Design of DC Power Supply System in Power Engineering

3 Terms and definitions

The following terms and definitions defined in GB/T 2900.41 and GB/T 19638.1-2014 apply to this standard. 3.1 Valve-regulated lead-acid battery Keep air-tight and liquid-tight conditions during normal use. When the internal pressure exceeds a predetermined value, the safety valve will automatically open to release internal gas and internal pressure. After lowering, the safety valve is automatically closed to prevent outside air from entering the lead-acid battery inside. 3.2 Absorbed electrolyte valve-regulated lead-acid battery A valve-regulated lead-acid battery that absorbs liquid electrolyte through the ultra-fine glass fiber separator between closely arranged plates. Adsorption electrolyte valve control Type lead-acid batteries are also known as ultra-fine glass fiber (AGM) adsorption-type lead-acid batteries (hereinafter referred to as AGM batteries). 3.3 Gelled electrolyte valve-regulated lead-acid battery The use of gel electrolyte with fumed silica, silica sol, sodium silicate and other materials and polymer materials such as PVC and phenolic resin are used. Valve-regulated lead-acid battery with hole partition (hereinafter referred to as colloidal battery). According to the difference in the structure of the positive plate, it can be divided into tubular plate gel storage Cells (hereinafter referred to as tubular gel batteries) and paste-plated gel batteries (hereinafter referred to as plate gel batteries). Note. Valve-regulated lead-acid batteries that use gel electrolyte and glass fiber separators do not belong to the colloidal batteries defined in this standard and should not be used for colloidal storage. Battery or ambiguous name. 3.4 Nominal voltage Approximate voltage used to mark or identify the battery. 3.5 Rated capacity The battery capacity value measured under specified conditions and used as product quality assurance. 3.6 Actual capacity The capacity value of the battery output under the conditions of the specified discharge rate, discharge end voltage and temperature. 3.7 Battery cell Composed of plates, electrolytes, containers, extremes, separators and internal connections, it is a basic functional unit that converts chemical energy into electrical energy. 3.8 Battery internal resistance for laboratory measurements The ratio of the voltage change of the battery to the corresponding discharge current change under specified conditions is also known as the apparent internal resistance. Note. The test room uses the method specified in 8.23 to measure the internal resistance of the battery, and the measurement result is related to the reference value of the short-circuit current. 3.9 Battery internal resistance for field measurements Refers to the resistance that the current flows through the battery when the battery is working. It includes ohmic internal resistance and polarization internal resistance, and polarization internal resistance Including electrochemical polarization internal resistance and concentration polarization internal resistance. Note. The measuring instrument for measuring the internal resistance of the battery on site is an internal resistance tester. The measurement results are used to assist in evaluating the health of the battery, also known as evaluating the internal resistance. Refer to Appendix A for the evaluation of internal resistance of the battery and its application. 3.10 Full charge All available active materials of the battery have been transformed into a fully charged state. 3.11 Service life The total time the battery is working effectively.

4 symbols

The following symbols apply to this standard.

5 Model establishment

The battery model should contain a characteristic mark indicating "power use", and the following rules can be adopted. 6 Classification, specifications and application ambient temperature 6.1 Battery classification According to structural differences, the types of batteries can be divided into. a) AGM battery; b) Tubular gel battery; c) Plate type gel battery. 6.2 Battery specifications The varieties and specifications of batteries are shown in Table 1. 6.3 Ambient temperature of battery application The application environment temperature of the battery is shown in Table 2.

7 Technical requirements

7.1 Structural requirements 7.1.1 Appearance The appearance of the battery should be free of deformation, cracks, liquid leakage and stains, and the signs and marks should be clear. The external dimensions of the battery should comply with GB/T 19638.2-2014. 7.1.2 Partition AGM batteries should be made of ultra-fine glass fiber separators, and gel batteries should be made of PVC or phenolic resin and other polymer materials. board. 7.1.3 Plates and busbars AGM battery and plate gel battery should use paste-type positive plate, tubular gel battery should use tubular positive plate; AGM storage battery Batteries, plate gel batteries and tubular gel batteries should use paste-type negative plates. The service life of the battery should not be reduced due to the lack of design dimensions of the plates and bus bars. Note. Refer to Appendix B for the thickness of the positive plate of the battery, the cross-sectional area of the busbar, and the distance between the busbar and the electrode plate. 7.1.4 Weight The weight of the battery should conform to Table A.1 in GB/T 19638.1-2014. The weight of the battery should not exceed ±5% of the average weight of the battery in the same group. 7.1.5 Terminal The contact surface between the terminal and the connecting strip should be flat and smooth, with no unevenness, burrs and glue on the surface. The contact surface of the terminal and the connecting strip should be parallel to the surface of the battery shell, and the axis of the terminal type terminal should be perpendicular to the surface of the battery shell. The thread depth of the internal thread of the terminal type terminal shall not be less than that specified in Table 3. 7.1.6 Tightness Except for the safety valve, the battery must maintain good airtightness and be able to withstand a positive pressure of 50kPa. 7.2 Security requirements 7.2.1 Gas evolution The battery is tested in accordance with 8.8, and the amount of gas Ge and Ge′ released by the single battery per ampere hour and hour shall meet the following requirements under standard conditions. The stated value. a) Ge should not exceed 0.04mL under the condition of 20℃ and the floating charge of single battery voltage Uflo; b) Ge' should not exceed 1.70mL under the floating charge condition of 20℃ and single battery voltage of 2.40V. 7.2.2 Large current capacity The battery is tested according to 8.9.After the test, the open circuit voltage of the battery should not be lower than its nominal voltage, and the terminals, poles and bus bars should not be melted. Or fuse, the groove and cover should not be melted or deformed. 7.2.3 Explosion-proof capability The accumulator is tested according to 8.10, and there should be no internal combustion or explosion when exposed to an open flame. 7.2.4 Anti-acid fog ability The accumulator is tested according to 8.11.1, and the amount of acid mist precipitated per 1Ah of the charging power should not exceed 0.025mg; or according to 8.11.2, litmus paper It should not change color during charging. 7.2.5 Safety valve The battery is tested according to 8.12, the safety valve should be opened reliably within the range of 10kPa～35 kPa, and closed reliably within the range of 3kPa～30 kPa. close. The difference between the highest value and the lowest value of the battery valve opening pressure should not be greater than 10 kPa, and the difference between the highest value and the lowest value of the battery valve closing pressure should Not more than 10 kPa. 7.2.6 Resistance to ground short circuit The battery is tested in accordance with 8.13.The short-circuit current to ground during the test should not be greater than 12mA. After the test, the battery should not be corroded or burnt due to seepage. There should be no carbonized area of the groove or cover. 7.2.7 Flame retardancy of materials The battery is tested in accordance with 8.14, and the battery tank and cover should comply with 8.4.1HB (horizontal level) and 9.4V-0 (vertical level) in GB/T 2408-2008 Requirements. 7.2.8 Resistance to mechanical damage The accumulator shall be tested according to 8.15, and the tank shall be free from damage and leakage. 7.2.9 Cold and heat resistance The battery is tested in accordance with 8.16, and stored in an environment with an ambient temperature of -30℃ and 65℃ for 6 hours. After the test, there is no trace of separation between the tank and the cover. Like, there is no crack, leakage or overflow at the sealing place of the groove cover and the sealing place of the terminal and the cover. 7.3 Usability requirements 7.3.1 Charging parameters The charging parameters of AGM storage batteries are shown in Table 4, and the charging parameters of gel storage batteries are shown in Table 5. 7.3.2 Capacity performance The battery pack is tested in accordance with 8.17.The 10-hour rate capacity should not be lower than 0.95C10 in the first cycle, and should reach 1.0C10 in the third cycle. But it should not exceed 1.2C10. 7.3.3 Charge retention performance The battery is tested in accordance with 8.18, and its charge retention capacity Rrf should not be less than 73% after storage for 180 days. 7.3.4 Recharge performance The battery is tested in accordance with 8.19, the recharging capacity factor Rbf24h should not be less than 85% when charged with Uflo constant voltage for 24h, and the rechargeability factor of constant voltage charging for 168h The power factor Rbf168h should not be less than 100%. 7.3.5 Impulse discharge performance The battery pack is tested according to 8.20, and the terminal voltage of the battery pack should not be lower than 202V during impulse discharge. 7.3.6 Connection performance between batteries The battery pack is tested according to 8.21, and the av......
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