NB/T 10280-2019 English PDF

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NB/T 10280-2019: (Conditions and technical requirements for the humid and hot environment of the state monitoring device for power grid)
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Basic data

Standard ID: NB/T 10280-2019 (NB/T10280-2019)
Description (Translated English): (Conditions and technical requirements for the humid and hot environment of the state monitoring device for power grid)
Sector / Industry: Energy Industry Standard (Recommended)
Classification of Chinese Standard: K40
Classification of International Standard: 29.020
Word Count Estimation: 13,174
Date of Issue: 2019-11-04
Date of Implementation: 2020-05-01
Issuing agency(ies): National Energy Administration

NB/T 10280-2019: (Conditions and technical requirements for the humid and hot environment of the state monitoring device for power grid)

---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.
Warm-damp environmental conditions and technical requirements for power grid state monitoring devices ICS 19.040 K 40 NB Energy Industry Standards of the People's Republic of China Humid and hot environmental conditions and technology of state monitoring devices for power grids Claim 2019-11-04 released 2020-05-01 implementation Issued by National Energy Administration

Table of contents

Foreword...II 1 Scope...1 2 Normative references...1 3 Terms and definitions...2 4 Hot and humid environmental conditions...2 5 Technical requirements and test methods...2 5.1 Test sequence and performance requirements...2 5.2 Test environmental conditions...2 5.3 Low temperature test...3 5.4 High temperature test...3 5.5 Temperature change test...3 5.6 Alternating damp heat test...4 5.7 Constant damp heat test...5 5.8 Salt spray test...6 5.9 Mold test...6 5.10 Vibration test...7 5.11 Impact test...7 5.12 Crash test...7 5.13 Electromagnetic compatibility test...7 5.14 Enclosure protection test...9 5.15 Solar radiation test...9 6 Requirements for marking, packaging and storage...9

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009 "Guidelines for Standardization Work Part 1.Standard Structure and Compilation". This standard was proposed by China Electrical Equipment Industry Association. This standard is under the jurisdiction of the National Standardization Technical Committee for Environmental Conditions and Environmental Testing of Electrical and Electronic Products (SAC/TC 8). Drafting organizations of this standard. Electric Power Test and Research Institute of Guangzhou Power Supply Bureau Co., Ltd., China Electrical Equipment Research Institute Co., Ltd., Tsinghua University Shenzhen Graduate School, Shenzhen Institute of Metrology and Quality Inspection, 704th Research Institute of China Shipbuilding Industry Corporation, Hainan Electric Power School, Hainan Power Grid Co., Ltd. Electric Power Research Institute, Guangzhou Baiyun Electrical Equipment Co., Ltd., Shenzhen Urit Testing Technology Co., Ltd. Company, Global Energy Internet Research Institute Co., Ltd., Guangdong Power Grid Co., Ltd. Electric Power Research Institute, Xiangjiaba Hydropower Plant. The main drafters of this standard. Mo Wenxiong, Jie Ganxin, Liu Yu, Wang Jun, Wang Xilin, Zhan Yang, Yang Yong, Wu Qing, Zhao Hailong, Zeng Binhua, Mei Liguang, Hao Wenkui, Lu Wangyan, Chen Ziran, Fan Weinan, Qin Yu, Chen Chuan, Liu Xin, Xu Xuedong, Nie Ming, Jia Zhidong, Li Zhiyong, Huang Song, Sheng Jian, Deng Yong. Humid and hot environmental conditions and technical requirements for condition monitoring devices for power grids

1 Scope

This standard specifies the environmental parameter group level and severity of the condition monitoring device for power grids when used under humid and hot environmental conditions. Technical requirements, test methods, protective measures and signs, storage and packaging, etc. When this standard does not make provisions and descriptions, the relevant Professional standard requirements. This standard is applicable to the state monitoring of power grids in the two climate types of "damp heat" and "sub-humid heat" specified in GB/T 4797.1-2018 The process of device design, transportation, storage and operation.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article Pieces. For undated references, the latest version (including all amendments) applies to this document. GB/T 2421.1-2008 Overview and Guidelines for Environmental Testing of Electrical and Electronic Products GB/T 2422-2012 Guidelines for the preparation of environmental testing test methods, terms and definitions GB/T 2423.1-2008 Environmental testing of electrical and electronic products Part 2.Test method Test A. Low temperature GB/T 2423.2-2008 Environmental testing of electric and electronic products Part 2.Test method Test B. High temperature GB/T 2423.3-2016 Environmental Test Part 2.Test Method Test Cab. Constant Humidity Test GB/T 2423.4-2008 Environmental testing of electric and electronic products Part 2.Test method Test Db. Alternating damp heat (12h + 12h cycle ring) GB/T 2423.16-2008 Environmental testing of electric and electronic products Part 2.Test method Test J and guideline. Mould GB/T 2423.17-2008 Environmental testing of electric and electronic products Part 2.Test method Test Ka. Salt spray GB/T 2423.18-2012 Environmental test Part 2.Test method Test Kb. Salt spray, alternating (sodium chloride solution) GB/T 2423.22-2012 Environmental Test Part 2.Test Method Test N. Temperature Change GB/T 2423.24-2013 Environmental testing Part 2.Test method Test Sa. Simulate solar radiation on the ground and its test guidelines GB/T 4208-2017 Enclosure protection grade (IP code) GB/T 4797.1-2018 Classification of Environmental Conditions Natural Environmental Conditions Temperature and Humidity GB/T 4798.1-2005 Application Environmental Conditions of Electrical and Electronic Products Part 1.Storage GB/T 4798.2-2008 Environmental conditions for the application of electrical and electronic products Part 2.Transportation GB/T 11287-2000 Electrical Relay Part 21.Vibration, Shock, Impact and Seismic Tests of Measuring Relays and Protection Devices Part 1.Vibration Test (Sine) GB/T 13384-2008 General technical conditions for packaging of mechanical and electrical products GB/T 14537-1993 Impact and collision test for measuring relays and protection devices GB/T 17626.2-2018 Electromagnetic compatibility test and measurement technology Electrostatic discharge immunity test GB/T 17626.3-2016 Electromagnetic compatibility test and measurement technology Radio frequency electromagnetic field radiation immunity test GB/T 17626.4-2018 Electromagnetic compatibility test and measurement technology Electrical fast transient pulse group immunity test GB/T 17626.5-2008 Electromagnetic compatibility test and measurement technology surge (impact) immunity test GB/T 17626.6-2017 Electromagnetic compatibility test and measurement technology Radio frequency field induced conducted disturbance immunity GB/T 17626.8-2006 Electromagnetic compatibility test and measurement technology Power frequency magnetic field immunity test GB/T 17626.9-2011 electromagnetic compatibility test and measurement technology pulse magnetic field immunity test GB/T 17626.10-2017 Electromagnetic compatibility test and measurement technology Damped oscillation magnetic field immunity test GB/T 17626.11-2008 Electromagnetic compatibility test and measurement technology Voltage sag, short-term interruption and voltage change immunity test DL/T 1432.1-2015 Inspection specification for online monitoring device of substation equipment Part 1.General inspection specification DL/T 1498.1-2016 Technical specifications for online monitoring devices of substation equipment Part 1.General rules JB/T 4159-2013 General technical requirements for tropical electrical products

3 Terms and definitions

The following terms and definitions defined in GB/T 2422-2012 apply to this document. 3.1 Power grid state monitoring devices A device installed in the power grid to collect monitoring data on the operation status of various power equipment.

4 Humid and hot environmental conditions

The parameter values close to it listed in "Heat and Heat Environmental Conditions for Power Transmission and Transformation Equipment".

5 Technical requirements and test methods

5.1 Test sequence and performance requirements When two or more environmental test items are required for the same test sample, the product technical conditions generally follow GB/T 2421.1-2008 Chapter 7 and Appendix B.6 requirements to arrange the test sequence. After each test is completed, the test sample should be able to work normally. Use insulation measurement between the live circuits and between the live circuits and the ground in the system The instrument performs insulation resistance measurement, and the measured insulation resistance meets the requirements of Table 1. 5.2 Test environmental conditions It is recommended that the state monitoring device for the power grid be tested under the following atmospheric environmental conditions. a) Temperature. 15℃～35℃; b) Relative humidity. 25%～75%; c) Air pressure. 86kPa～106kPa. Note 1.If the relevant regulations consider that the test is not feasible under these atmospheric conditions, the actual atmospheric conditions during the test should be recorded in the test report. Note 2.If there is no influence on the test result, the relative humidity can be ignored. 5.3 Low temperature test a) Test purpose. to verify the adaptability of test samples under low temperature conditions. b) According to the standard. according to the regulations in GB/T 2423.1-2008, according to test Ad. c) See Table 2 for the test process. 5.4 High temperature test a) Test purpose. to verify the adaptability of the test sample under high temperature conditions. b) According to the standard. According to the regulations in GB/T 2423.2-2008, carry out according to test Bd. c) See Table 3 for the test process. 5.6 Alternating damp heat test a) Test purpose. used to determine the combination of high humidity and temperature cycle changes of the test sample and usually produce condensation on the surface of the test sample Adaptability under conditions. b) According to the standard. According to the provisions of GB/T 2423.4-2008 Test Db Method 2. c) See Table 5 for the test process. 5.7 Constant humidity test a) Test purpose. used to verify the adaptability of test samples to humid environments when they are used in hot and humid areas. b) According to the standard. according to the regulations in GB/T 2423.3-2016. c) See Table 6 for the test process. 5.8 Salt spray test 5.8.1 Ka. Salt spray test a) Test purpose. to verify the corrosion resistance of the metal protective layer of the test sample in service in hot and humid areas. b) According to the standard. the metal protective layer of the test sample exposed to the air shall be carried out according to the regulations of GB/T 2423.17-2008. c) The test process and qualification requirements are shown in Table 7. 5.8.2 Kb. Alternating salt spray test a) Test purpose. to verify the anti-corrosion performance of the test sample in service in hot and humid areas. b) According to the standard. according to the regulations in GB/T 2423.18-2012. c) See Table 8 for the test process. 5.9 Mold test a) Test purpose. To assess the degree and influence of mold growth of test samples under mold growth conditions. b) According to the standard. according to the regulations in GB/T 2423.16-2008. c) See Table 9 for the test process. 5.10 Vibration test a) Test purpose. to assess the adaptability of the test sample to the vibration environment during operation. b) According to the standard. GB/T 11287-2000. c) Test process and performance requirements. Carry out a vibration endurance test of severity level 1 on the monitoring device, and the device should not be tight after the test. Loose firmware, mechanical damage and other phenomena, other performance requirements are the same as 5.1. 5.11 Impact test a) Test purpose. to assess the adaptability of the test sample to the impact environment during operation. b) According to the standard. GB/T 14537-1993. c) Test process and performance requirements. Carry out a severity level 1 impact durability test on the monitoring device, and the device should not be tight after the test. Loose firmware, mechanical damage and other phenomena, other performance requirements are the same as 5.1. 5.12 Crash test a) Test purpose. to assess the adaptability of the test sample to the collision environment during operation. b) According to the standard. GB/T 14537-1993. c) Test process and performance requirements. Carry out a severity level 1 crash test on the monitoring device. After the test, the device should not have any fasteners Looseness, mechanical damage and other phenomena, other performance requirements are the same as 5.1. 5.13 Electromagnetic compatibility test a) Test purpose. to verify the electromagnetic compatibility of the test sample in actual operation. b) According to the standard. according to GB/T 17626 and DL/T 1432.1-2015. c) The test process and performance requirements are shown in Table 10. ......

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