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NB/T 10190-2019 English PDF

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NB/T 10190-2019: Technical specifications for arc flash protection test equipment
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Basic data

Standard ID NB/T 10190-2019 (NB/T10190-2019)
Description (Translated English) Technical specifications for arc flash protection test equipment
Sector / Industry Energy Industry Standard (Recommended)
Classification of Chinese Standard K45
Classification of International Standard 29.240.01
Word Count Estimation 16,194
Date of Issue 2019-06-04
Date of Implementation 2019-10-01
Regulation (derived from) Natural Resources Department Announcement No. 7 of 2019
Issuing agency(ies) National Energy Administration

NB/T 10190-2019: Technical specifications for arc flash protection test equipment

---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.
Technical specifications for arc flash protection test equipment ICS 29.240.01 K 45 NB Energy Industry Standards of the People's Republic of China Technical requirements for arc protection test equipment 2019-06-04 released 2019-10 01 implementation Issued by National Energy Administration

Table of contents

Foreword...III 1 Scope...1 2 Normative references...1 3 Terms and definitions...2 4 Technical requirements...2 4.1 Environmental conditions...2 4.2 Rated electrical parameters...2 4.3 Functional requirements...3 4.4 Performance requirements...3 4.5 Safety requirements...4 4.6 Insulation performance...4 4.7 Mechanical properties...4 4.8 Heat and humidity resistance...4 4.9 Electromagnetic compatibility requirements...4 4.10 Enclosure and protection...4 5 Test method...6 5.1 Test conditions...6 5.2 Performance requirements for test equipment...6 5.3 Light source test...6 5.4 Synchronization test of light source and AC current...8 5.5 Time measurement test...8 5.6 Insulation requirement test...9 5.7 Vibration endurance test...9 5.8 Impact durability test...9 5.9 Crash test...9 5.10 Temperature influence test...9 5.11 Humidity and heat resistance test...9 5.12 Impact test of power supply...9 5.13 Electromagnetic compatibility test...9 5.14 Enclosure and protection test...10 6 Inspection rules...10 6.1 Inspection classification...10 6.2 Factory test...10 6.3 Type test...11 7 Packaging, transportation, storage...12 7.1 Packaging...12 7.2 Transport...12 7.3 Storage...12 8 Marks and labels...12 8.1 Nameplate...12 8.2 Other signs and labels...13 9 Complete set of supply...13 9.1 Documents accompanying the product...13 9.2 Accessories supplied with the product...13 10 Quality Assurance...13

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by China Electrical Equipment Industry Association. This standard is under the jurisdiction of the National Standardization Technical Committee for Measuring Relays and Protection Equipment (SAC/TC154). Drafting organizations of this standard. Chengdu Gongbaili Automation Equipment Co., Ltd., Xuchang Cape Testing and Research Institute Co., Ltd., Nanjing Hongyi Electric Automation Co., Ltd., State Grid Anhui Electric Power Co., Ltd. Electric Power Research Institute, Zhengzhou Institute of Light Industry, Guodian Nanjing Automation Stock Co., Ltd., Xu Ji Electric Co., Ltd., Beijing Sifang Relay Automation Co., Ltd., Nanjing Nanrui Relay Electric Co., Ltd., Changyuan Shenrui Relay Automation Co., Ltd., State Grid Henan Electric Power Research Institute, Yunnan Power Grid Co., Ltd. Electric Power Science Research Institute, State Grid Zhejiang Electric Power Co., Ltd., Nanjing Wushijin Sensing Technology Co., Ltd., Femtosecond Optoelectronics Technology (Xi'an) Co., Ltd., Beijing Bodian Xinli Electric Co., Ltd., Hangzhou Ruisheng Electric Co., Ltd., Nanjing Zhongkai Optoelectronics Technology Co., Ltd., Austrian Power Technical Consulting (Shanghai) Co., Ltd., Xinchi Electric Group Co., Ltd., Zhuzhou Sanda Electronic Manufacturing Co., Ltd., State Grid Hunan Electric Power Company Electric Power Research Institute, State Grid Gansu Electric Power Company, State Grid Fujian Electric Power Co., Ltd. Electric Power Research Institute Institute, State Grid Jiangxi Electric Power Research Institute, Yunnan Power Grid Co., Ltd. Honghe Power Supply Bureau, State Grid Electric Power Research Institute Institute Co., Ltd., Xuchang Kaipu Electric Research Institute, Schneider Electric (China) Co., Ltd. Shanghai Branch, Siemens Power Automation Co., Ltd. Company, ABB (China) Co., Ltd. The main drafters of this standard. Liu Yuanwei, Huang Hualin, Li Congfei, Li Yuansong, Dou Zhifeng, Zhang Wei, Shi Yi, Nie Juanhong, Wang Jie, Su Xiao Lei, Liu Lei, Liu Zhukui, Geng Hong, Geng Kaisheng, Xu Liguo, Chen Luofei, Jiang Xingyue, Li Xingbin, Ye Ping, Yi Yongbo, Huang Tingting, Chen Gen Fa, Liang Wenwu, Bai Runqing, Tang Zhijun, Gui Xiaozhi, Xu Jiyong, Wang Yu, Hu Xiaojing, Cai Ningguo, Wang Fei, Hou Panke. Technical requirements for arc protection test equipment

1 Scope

This standard specifies the technical requirements, test methods, inspection rules, packaging, transportation, storage, marking, Labels, complete sets of supply and quality assurance, etc. This standard applies to the design, production, testing and application of arc protection test equipment (hereinafter referred to as test equipment).

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 document. For undated references, the latest version (including all amendments) applies to this document. GB/T 2423.1-2008 Environmental testing of electric 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 2423.4-2008 Environmental testing of electric and electronic products Part 2.Test method Test Db Alternating damp heat (12h＋12h cycle) GB/T 4208-2017 Enclosure protection grade (IP code) GB/T 7261-2016 Basic test methods for relay protection and safety automatic devices GB/T 9254-2008 Information Technology Equipment Radio Disturbance Limits and Measurement Methods GB/T 11287-2000 Electrical Relay Part 21.Vibration, shock, impact and seismic test of measuring relay and protection device Test Part 1.Vibration Test (Sine) GB/T 14537-1993 Impact and collision test for measuring relays and protection devices GB/T 14598.27-2017 Measuring Relays and Protection Devices Part 27.Product Safety Requirements GB/T 14598.302-2016 Technical requirements for arc protection devices GB/T 17626.2-2006 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 17626.4-2008 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 immunity test GB/T 17626.6-2017 Electromagnetic compatibility test and measurement technology Radio frequency field induced conducted disturbance immunity test GB/T 17626.8-2006 Electromagnetic compatibility test and measurement technology Power frequency 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 GB/T 17626.18-2016 Electromagnetic compatibility test and measurement technology Damped oscillation wave immunity test DL/T 624-2010 Technical conditions of relay protection microcomputer-based test device DL/T 1504-2016 General technical conditions for arc protection devices NB/T 42076-2016 Selection Guide for Arc Protection Device

3 Terms and definitions

GB/T 14598.302-2016, DL/T 1504-2016, NB/T 42076-2016 and the following terms and definitions apply to This document. 3.1 Arc flash protection test equipment Equipment used for testing arc protection devices. 3.2 Ambient illumination The physical quantity that reflects the brightness and darkness of the environment.

4 Technical requirements

4.1 Environmental conditions 4.1.1 Normal working atmospheric conditions The requirements for normal working atmosphere are as follows. a) Ambient temperature. -5 ℃～﹢45 ℃. b) Relative humidity. 5% to 95% (there is neither condensation nor freezing inside the device); c) Atmospheric pressure. 80 kPa～106 kPa; d) Environmental illuminance. 0 kLx～0.5 kLx. 4.1.2 Surrounding environment requirements The surrounding environment should meet the following requirements. a) It should be shaded, protected from wind and snow, protected from lightning, sand and dust, and ventilated; b) No electromagnetic interference exceeding 4.9 is allowed; c) The place of use should not have vibrations exceeding the severity level 1 specified in GB/T 11287-2000, and there should be no vibration during transportation and storage. Impacts and collisions that exceed the severity level specified in GB/T 14537-1993 as level 1; d) Non-explosive medium, the surrounding medium should not contain any medium that can corrode metal, destroy insulation, surface plating and coating. Conductive medium, no obvious water vapor, no serious molds; e) Have good grounding facilities. 4.1.3 Special conditions of use When the working conditions specified in 4.1.1 ~ 4.1.2 are exceeded, it is determined by the user and the manufacturer. 4.2 Rated electrical parameters 4.2.1 AC voltage The AC voltage requirements are as follows. a) Rated voltage. 220 V, 50 Hz; b) Allowable deviation. -20%～15%; c) AC power waveform. sine wave, the allowable total harmonic distortion rate is not more than 5%. 4.2.2 DC voltage The DC voltage requirements are as follows. a) Rated voltage. 220 V; b) Allowable deviation. -20%～15%. For battery-powered test equipment, the allowable deviation of the power supply is determined by the user through consultation with the manufacturer. c) Ripple coefficient. not more than 5%. 4.3 Functional requirements 4.3.1 The test equipment should provide an independent simulated arc generation function, and the light intensity of the light source should be independently adjustable within the adjustable range. 4.3.2 For test equipment with AC current output function, the output time interval between light source and current source should be settable. 4.3.3 The interface requirements for switch input are as follows. a) Unless otherwise specified, there should be an electrical isolation binary input; b) The maximum withstand input voltage of each binary input should not be lower than 250 V (DC), and should be able to adapt to live contacts of different amplitudes and polarities Or open input of the empty contact; c) The test equipment can monitor the change of binary input. 4.3.4 The input power of the test equipment and other circuits should be completely electrically isolated. 4.3.5 It shall have the functions of self-check and fault alarm. If an abnormality occurs, the test equipment immediately stops output and alarms. 4.3.6 The manual test function requirements are as follows. the luminous intensity of the light source should be able to be set. Test equipment with AC current output function should be able to Set the amplitude and phase of the current. 4.3.7 The requirements for the progressive test function are as follows. a) Within the setting range of the test equipment, it should be possible to arbitrarily set the increasing or decreasing luminous intensity before the change, and the measurement with AC current output The test equipment should be able to set the current amplitude and phase arbitrarily; b) The light source of the test equipment can automatically output the parameter value of the variable with the set variable, change step and change time, and test the arc protection The action value, return value and action time of the device; c) Test equipment with AC current output function, the current source can automatically output the change according to the set variable, change step and change time. Parameter value of the quantity, test the action value, return value and action time of the arc protection device. 4.3.8 The test function requirements for multiple continuous states are as follows. a) The setting function of multiple state sequences should be provided; b) Various switching methods such as time control, binary input control, and manual triggering shall be provided to switch between states. 4.3.9 The test report requirements are as follows. a) The test report output by the test equipment should have a flexible format and be able to export files in Word, Txt and other formats; b) The user can negotiate with the manufacturer according to the requirements and provide the test report in the format of the work instruction or the protection and debugging program. 4.4 Performance requirements 4.4.1 Light source 4.4.1.1 The wavelength range of the light source should be.200 nm to 700 nm. The manufacturer should specify the optimum wavelength range for the light source. 4.4.1.2 The output range of the light intensity of the light source is 0.5 mW/cm2～25 mW/cm2 or 1 klx～50 klx. 4.4.1.3 Within the output range of the light source intensity, the basic error should not exceed ±10%, and the operating error should not exceed ±15%; the minimum change The step length is not greater than 0.1 klx or 0.05 mW/cm2. 4.4.1.4 The luminous intensity of the light source increased from 10% of the set light intensity to 90% of the set light intensity, and decreased from 90% of the set light intensity to the set light intensity 10% of the time, the time is not more than 500 μs. 4.4.1.5 When the light intensity output of the light source is the set maximum value, the output duration of the light source shall not be less than 5 s. 4.4.2 Synchronization of light source output and AC current output For test equipment with AC current output function, the synchronization should meet the following requirements. in the time interval between light source output and AC current output When set to 0, the light source output and AC current output should be synchronized, and the non-synchronization time should not exceed 500 μs; When the current output time interval is not 0, the difference between the actual time interval between the light source output and the AC current output and the set time interval is not greater than 500 μs. 4.4.3 Time measurement 4.4.3.1 Measuring time range. 1 ms～10 s. 4.4.3.2 Error of measurement time. when the measurement time is greater than 1 s, the relative error is not greater than 0.1%; when the measurement time is not greater than 1 s, The error is not more than 1 ms, and the resolution is not less than 0.1 ms. 4.5 Safety requirements 4.5.1 The test equipment should meet the requirements of GB/T 14598.27-2017 regarding flame retardant and electric shock protection. 4.5.2 The test equipment shall have necessary safety signs and related safety precautions. 4.5.3 The test equipment should have grounding protection such as anti-static. The test equipment should have a grounding terminal, connect the non-charged metal parts as a whole, and connect To the ground terminal. 4.6 Insulation requirements 4.6.1 Insulation resistance When testing the insulation resistance of the test equipment under standard atmospheric conditions, it should meet the following requirements. a) The power input terminal is tested with a 1000 V insulation resistance meter to the ground (grounding terminal), and the insulation resistance should not be less than 300 MΩ; b) The input terminal of the digital hard contact is tested with a 500 V insulation resistance meter to the ground (grounding terminal), and the insulation resistance should not be less than 50MΩ. 4.6.2 Medium strength Under standard atmospheric conditions, the test equipment should conduct dielectric strength test on the following parts, and there should be no breakdown or flashover phenomenon. a) Between the power input end of the test equipment and the ground (grounding terminal), it should be able to withstand an AC power frequency voltage of 1.5 kV (or DC Withstand voltage test of 2.1 kV), test time of 1 min, and leakage current not greater than 5 mA; b) The switch input terminal of the test equipment should be able to withstand an AC power frequency voltage of 500 V (or a DC voltage of 700 V) to the ground. Withstand voltage test with a duration of 1 min and a leakage current not greater than 5 mA. 4.7 Mechanical properties 4.7.1 Vibration durability The product should have the ability to withstand the vibration endurance of the severity level 1 specified in GB/T 11287-2000. 4.7.2 Impact durability The product should have the ability to withstand the impact of the severity level 1 specified in GB/T 14537-1993. 4.7.3 Collision capability The product should have the ability to withstand the severity level 1 specified in GB/T 14537-1993. 4.8 Heat and humidity resistance Under the condition that the maximum temperature of the product is 40 ℃ and the test period is two cycles (48 h), according to the provisions of GB/T 2423.4-2008, The device performs an alternating damp heat test. 4.9 EMC requirements 4.9.1 Immunity 4.9.1.1 Results judgment According to the function and performance requirements of the test equipment and the user's requirements, the judgment classification of the immunity test results is divided into the following three categories. a) During the test, the performance should be normal within the technical specification limits specified by the manufacturer, user or client; b) The main functions and performance are not affected. The performance of auxiliary functions such as display and communication can be temporarily reduced or lost, and it should be able to recover by itself after the test. Return to normal c) When the equipment is powered off, performance and functions are temporarily lost, it should be able to return to normal by itself or human intervention after restarting; The communication with remote control function shall meet the judgment result 4.9.1.1 a). 4.9.1.2 Electrostatic discharge immunity The test equipment should be able to withstand the severity level specified in 4.12.2 of DL/T 624-2010 and the severity specified in GB/T 17626.2-2006. Class 3 electrostatic discharge immunity test, the function of the test equipment during and after the test should meet the requirements of 4.3, performance indicators It should be able to meet the requirements of 4.4, and the judgment result should meet 4.9.1.1 b). 4.9.1.3 Radio frequency electromagnetic field radiation immunity The test equipment should be able to withstand the severity level specified in 4.12.3 of DL/T 624-2010 and the severity specified in GB/T 17626.3-2016. Level 3 radio frequency electromagnetic field radiation immunity test, the test frequency is 80 MHz～1 GHz and 1.4 GHz～6 GHz, during the test And after the test, the function of the test equipment should meet the requirements of 4.3, the performance index should meet the requirements of 4.4, and the judgment result should meet the requirements of 4.9.1.1 a). 4.9.1.4 Electrical fast transient pulse group immunity The test equipment should be able to withstand the severity level specified in 4.12.4 of DL/T 624-2010 and the severity specified in GB/T 17626.4-2008. Level 3 electrical fast transient pulse group test, the test frequency is 5 kHz and 100 kHz, the test equipment is tested during and after the test. The function should meet the requirements of 4.3, the performance index should meet the requirements of 4.4, and the judgment result should meet the requirements of 4.9.1.1 b). 4.9.1.5 Surge immunity The test equipment should be able to withstand the surge immunity test with severity level 3 specified in GB/T 17626.5-2008.During the test, After the test, the function of the test equipment should meet the requirements of 4.3, the performance index should meet the requirements of 4.4, and the judgment result should meet the requirements of 4.9.1.1 b). 4.9.1.6 Conducted disturbance immunity induced by radio frequency field The test equipment should be able to withstand the conducted disturbance immunity test induced by the radio frequency field with a severity level of 3 specified in GB/T 17626.6-2017. During the test and after the test, the function of the test equipment should meet the requirements of 4.3, and the performance indicators should meet the requirements of 4.4. The result should meet 4.9.1.1 a). 4.9.1.7 Power frequency magnetic field immunity The test equipment should be able to withstand the power frequency magnetic field immunity test with severity level 4 specified in GB/T 17626.8-2006.The test process After the neutralization test, the function of the test equipment should meet the requirements of 4.3, the performance index should meet the requirements of 4.4, and the short-term magnetic field judgment result should be To meet B, the continuous magnetic field judgment result should meet 4.9.1.1 a). 4.9.1.8 Voltage sag, short-term interruption and voltage change immunity The test equipment should be able to withstand the voltage sag, short-term interruption and voltage specified in GB/T 17626.11-2008 with a severity level of category 3 equipment Change the immunity test. During and after the test, the function of the test equipment should meet the requirements of 4.3, and the performance index should meet the requirements of 4.4 If the voltage temporarily drops to 0% UT, the judgment result should meet 4.9.1.1 a), and other judgment results should meet 4.9.1.1 c). 4.9.1.9 Damped oscillation wave immunity The test equipment should be able to withstand the severity level specified in 4.12.1 of DL/T 624-2010 and the severity specified in GB/T 17626.18-2016 Level 3 damped oscillation wave immunity test, test frequency is 100 kHz and 1 MHz, test equipment during and after the test The function should meet the requirements of 4.3, the performance index should meet the requirements of 4.4, and the judgment result should meet the requirements of 4.9.1.1 b). 4.9.2 Electromagnetic emission 4.9.2.1 Conducted emission limits The conducted emission test value of the test equipment should be able to meet the disturbance current of the power terminal of the Class A equipment specified in 5.1 Table 1 of GB/T 9254-2008 Pressure limit. 4.9.2.2 Radiation emission limit The radiation emission test value of the test equipment should be able to meet the radiation below 1 GHz of the Class A equipment specified in 6.1 Table 6 of GB/T 9254-2008 Harassment limit. 4.10 Enclosure and protection The enclosure protection level of the test equipment should meet the requirements of IP21 level specified in GB/T 4208-2017.

5 Test method

5.1 Test conditions 5.1.1 Unless otherwise specified, all tests are carried out under the environmental conditions specified in 4.1.1. 5.1.2 The test equipment should be well grounded, and the surrounding electromagnetic environment conditions should meet the requirements of this standard. 5.1.3 When testing the performance of the test equipment, it can be carried out 10 minutes after pre-energizing. 5.1.4 During the test, at least 5 tests should be performed on the specified test points, and the test results shall be the average value. 5.2 Requirements for test equipment According to the requirements of the accuracy of the test parameters, the test instrument used is selected correctly. The accuracy of the test instrument should generally be better than that of the measured equipment. The error requirement is at least an order of magnitude higher. 5.3 Light source test 5.3.1 Wavelength test of light source. a) Test wiring diagram. The test wiring to verify the wavelength of the light source is shown in Figure 1. b) Verify the parameter settings. Set the light source intensity of the test equipment to 10 mW/cm2 or 20 klx. c) Inspection method. Use an instrument with spectral analysis function to read the light source when the light source intensity is 10 mW/cm2 or 20 klx Wavelength data, and save the spectral distribution map. d) Judgment of inspection results. Measure 5 times to determine the wavelength and spectrum of the light source. Arc protection Test Equipment Spectral analysis Class instrument Light intensity Figure 1 Schematic diagram of the wavelength inspection wiring of the light source 5.3.2 The output range test of the light source intensity. a) Test wiring diagram. The test wiring to verify the range of light intensity is shown in Figure 2. b) Verify the parameter settings. Set the light source intensity of the test equipment to the minimum and maximum values. c) Inspection method. Fix distance and angle, measure each setting value. when the test equipment has light intensity, use illuminance meter/irradiation The meter measures the light intensity. d) Judgment of inspection results. Each set value is measured 5 times, the average light intensity is calculated, and the output range of the light intensity of the light source is determined. 5.3.3 The output accuracy test of the light source intensity. a) Test wiring diagram. The test wiring to verify the accuracy of the light intensity is shown in Figure 2. b) Verify the parameter settings. Set the light source intensity within the minimum and maximum range of the l...

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