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GB/T 7261-2016 English PDF

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GB/T 7261-2016: Basic testing method for relaying protection and security automatic equipment
Status: Valid

GB/T 7261: Historical versions

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 7261-2016718 Add to Cart 1 days Basic testing method for relaying protection and security automatic equipment Valid
GB/T 7261-2008RFQ ASK 11 days Basic testing method for relaying protection and security automatic equipment Obsolete
GB/T 7261-2000RFQ ASK 14 days Basic testing method for relay and equipment Obsolete
GB/T 7261-1987RFQ ASK 3 days Basic testing method of relay and protective equipment Obsolete

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Basic data

Standard ID: GB/T 7261-2016 (GB/T7261-2016)
Description (Translated English): Basic testing method for relaying protection and security automatic equipment
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K45
Classification of International Standard: 29.120.70; 29.240.30
Word Count Estimation: 87,835
Date of Issue: 2016-02-24
Date of Implementation: 2016-05-02
Older Standard (superseded by this standard): GB/T 7261-2008
Regulation (derived from): National Standard Announcement No
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 7261-2016: Basic testing method for relaying protection and security automatic 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.
Basic testing method for relaying protection and security automatic equipment ICS 29.120.70; 29.240.30 K45 National Standards of People's Republic of China Replace GB/T 7261-2008 Basic test method for relay protection and safety automatic devices Published on.2016-02-24 2016-05-02 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Administration issued

Content

Foreword V 1 Scope 1 2 Normative references 1 3 Terms and Definitions 2 4 Test conditions 4 4.1 Environmental conditions of the test 4 4.2 Installation location 5 4.3 Test instruments and meters 5 5 Structure and appearance inspection 5 5.1 Inspection contents and methods 5 5.2 Inspection requirements 5 6 Basic performance test 6 6.1 Contact basic parameters test 6 6.2 Coil basic parameters test 8 6.3 Test of basic parameters of the converter 10 6.4 With or without relay function test 13 6.5 Measuring the accuracy of relays and device characteristics 14 6.6 Time characteristic test 21 6.7 Switching Input and Output Test 22 6.8 Measurement and Control Performance Test 22 6.9 Time Synchronization Performance Test 22 7 Digital interface test based on IEC 61850 23 8 power consumption test 23 8.1 Test method 23 8.2 Power Consumption Test 23 8.3 Requirements 27 9 temperature rise test 27 9.1 Test conditions 27 9.2 Test method 27 10 Climate Environmental Test 28 10.1 Operating Temperature Test 28 10.2 Storage temperature test 30 10.3 Temperature Change Test 31 10.4 Constant Damp Heat Test 33 10.5 Alternating damp heat test 33 10.6 Low air pressure test 37 11 Power Impact Test 38 11.1 Auxiliary excitation voltage change impact test 38 11.2 AC power frequency change impact test 38 12 Mechanical performance test 38 12.1 Vibration test 38 12.2 Impact and crash tests 38 12.3 Earthquake Test 39 13 insulation performance test 44 13.1 Measurement of Insulation Resistance 44 13.2 Medium Strength Test 45 13.3 Shock voltage test 46 14 Electromagnetic compatibility test 47 14.1 Port 47 of the device under test 14.2 Electromagnetic emission test 47 14.3 Immunity test 48 15 overload test 53 15.1 General 53 15.2 Short-term heat resistance limit test 53 15.3 Incentive Stabilization Limit Test 53 15.4 Continuous overload test 53 15.5 Overload test for multiple input excitations 54 16 contact performance and mechanical life test 54 16.1 General 54 16.2 Contact Performance 54 16.3 Mechanical Life Test 54 17 Safety test 55 17.1 Clearance test 55 17.2 Creepage distance measurement 55 17.3 Contact Current Measurement 55 17.4 Enclosure Protection Level Test 55 17.5 Protective joint test 56 17.6 Fire hazard test 56 17.7 Safety Sign Inspection 57 18 Communications and Protocol Test 57 18.1 Optical Port Transmit/Receive Power Test 57 18.2 Communication Protocol Conformance Test 57 18.3 Communication Performance Test 57 18.4 Network Stress Test 58 18.5 Communication Reliability Test 58 19 device function test 59 Appendix A (informative) Time measurement circuit 60 Appendix B (informative) Recommended method for measuring temperature with thermocouples 62 Appendix C (informative) Type test guide 63 Appendix D (informative) Inherent error, operational error and systematic error 66 Appendix E (informative) Digital interface test based on IEC 61850 68 Appendix F (informative) Seismic test selection principle 78

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 7261-2008 "Basic Test Methods for Relay Protection and Safety Automatic Devices". The main changes of this standard compared with GB/T 7261-2008 are as follows. ---Test baseline conditions are modified according to GB/T 14598.2; --- Removed contact pressure, contact gap, contact overtravel in 6.1; --- Removed the inductance parameters of the coil in 6.2; --- Increased the method of slow application of the incentive amount ladder; --- Added auxiliary circuit static power consumption, maximum power consumption, surge and start-up time test and digital input power consumption test; --- Added time synchronization performance test; --- Increase the digital interface test based on IEC 61850; --- Removed the infrared test temperature rise method; ---Environmental test changed to climate environmental test, modified according to standard requirements, increase the recovery process; --- Power supply voltage dip, interruption and ripple classification to electromagnetic compatibility; --- The electromagnetic compatibility test sequence has been adjusted; ---Communication protocol test changed to communication and protocol test, adding relevant content; --- Added Appendix E. This standard was proposed by the China Electrical Equipment Industry Association. This standard is under the jurisdiction of the National Technical Committee for Measuring Relays and Protection Equipment (SAC/TC154). This standard was drafted. Xuchang Kaipu Testing Technology Co., Ltd., Changyuan Shenrui Jibao Automation Co., Ltd., China Electric Power Science Research Institute, Beijing Sifang Jibao Automation Co., Ltd., Hebei Electric Power Dispatching Control Center, Nanjing Nanrui Jibao Electric Co., Ltd., Xuchang Cape Electric Research Institute, Xuji Electric Co., Ltd., Jicheng Electronics Co., Ltd., Guodian Nanjing Automation Co., Ltd., Beijing Ziguang Measurement and Control Co., Ltd., Dongfang Electronics Co., Ltd., Zhuhai Wanlida Electric Automation Co., Ltd., State Grid Electric Power Research Institute, Harbin Electric Group Acheng Relay Co., Ltd., Hebei Beiheng Electric Technology Co., Ltd., Jiangsu Jinzhi Technology Co., Ltd., ABB (China) Co., Ltd., Schneider Electric (China) Co., Ltd., Shanghai Huajian Power Equipment Co., Ltd. The main drafters of this standard. Li Quanxi, He Chun, Liu Hongjun, Liu Huihai, Fan Wei, Sun Liqiang, Ling Gang, Li Zhiyong, Yang Huixia, Liang Jingwan, Yuan Wenguang, Yu Huawu, Hu Jiawei, Yu Yue, Zhao Hongqiang, Zhu Zhiwei, Yu Bo, Chen Zhenzhong, Tian Jianjun, Shen Jun, Li Yan, Yang Lizhen, Wang Qi, Jiang Guanqian, Hu Xiaojing. The previous versions of the standards replaced by this standard are. ---GB/T 7261-1987, GB/T 7261-2000, GB/T 7261-2008. Basic test method for relay protection and safety automatic devices

1 Scope

This standard specifies the basic test methods for relay protection and safety automatic devices. This standard applies to the secondary circuit of the power system with or without relays, measuring relays, protection devices, safety automatic devices (protective equipment Tests on products such as safety devices and devices (hereinafter referred to as devices) and their interface devices.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 2422 Environmental test test method preparation guidelines Terms and definitions GB/T 2423.1-2008 Environmental testing of electric and electronic products - Part 2. Test methods Test A. Low temperature GB/T 2423.2-2008 Environmental testing of electric and electronic products - Part 2. Test methods Test B. High temperature GB/T 2423.3-2006 Environmental testing for electric and electronic products - Part 2. Test method test Cab. constant damp heat test GB/T 2423.4-2008 Environmental testing of electrical and electronic products - Part 2. Test methods Test Db. alternating heat (12h) 12h cycle) GB/T 2423.21-2008 Environmental testing of electric and electronic products - Part 2. Test method Test M. Low pressure GB/T 2423.22-2012 Environmental testing - Part 2. Test methods Test N. Temperature change GB/T 2900.1 Basic terminology of electrical terminology GB/T 2900.17 Electrotechnical terminology measuring relay GB/T 2900.49 Electrotechnical terminology power system protection GB 4208-2008 enclosure protection grade (IP code) GB/T 4365 Electrotechnical terminology electromagnetic compatibility GB 4824 Industrial, Scientific and Medical (ISM) Radio Frequency Equipment Harassment Characteristics Limits and Measurement Methods GB/T 5169.16-2008 Electrical and electronic products - Fire hazard testing - Part 16. Test flames 50W Horizontal and vertical fires Flame test method GB 9254 Radio disturbance limits and methods of measurement for information technology equipment GB/T 11287-2000 Electrical relays - Part 21. Vibrations, shocks, collisions and earthquakes of measuring relays and protection devices Test Part 1. Vibration Test (Sinusoidal) GB/T 12113-2003 Method for measuring contact current and protective conductor current GB/T 13729-2002 Telecontrol terminal equipment GB/T 14537-1993 Impact and collision test of measuring relays and protection devices GB/T 14598.2-2011 Measuring relays and protective devices - Part 1. General requirements GB/T 14598.26-2015 measuring relays and protective devices - Part 26. Electromagnetic compatibility GB 14598.27-2008 Measuring relays and protective devices - Part 27. Product safety requirements GB/T 17626.9-2011 Electromagnetic compatibility test and measurement technology Pulse magnetic field immunity test GB/T 17626.10-1998 Electromagnetic compatibility test and measurement technique - Damping oscillating magnetic field immunity test GB/T 21711.1-2008 Basic electromechanical relays - Part 1. General and safety requirements GB/T 25919.1-2010 Modbus test specification Part 1. Modbus serial link conformance test specification GB/T 25919.2-2010 Modbus test specification Part 2. Modbus serial link interoperability test specification GB/T 26864 Power System Relay Protection Product Dynamic Model Test DL/T 634.56-2010 Telecontrol equipment and systems - Part 5-6. Guidelines for conformance testing of IEC 60870-5 DL/Z860.2-2006 Substation communication networks and systems - Part 2. Terminology DL/T 860.10 Substation communication networks and systems - Part 10. Conformance testing IEC 60255-21-3.1993 Electrical relays - Part 21. Measuring vibrations, shocks, collisions and grounds Seismic test Part 3. Earthquake test (Electricalrelays; part21. vibration, shock, bumpandseismictestson Measuringrelaysandprotectionequipment;section3.seismictests)

3 Terms and definitions

Terms defined in GB/T 2422, GB/T 2900.1, GB/T 2900.17, GB/T 2900.49, GB/T 4365 and DL/Z860.2 And definitions and the following terms and definitions apply to this document. 3.1 Basic test method basictestingmethod A general test method for testing a product under specified test conditions, which does not include special tests or specific tests for certain types of products. The method followed. 3.2 Variation test During the test, a certain impact or influencing factor of the product is at the limit of the nominal range, and the remaining impact or influencing factors are at the base. Tests conducted under quasi-conditions. 3.3 Test conditions allow for deviation permissibledeviationofthetestingcondition If the parameter of the specified test condition is M and the parameter of the actual test condition is N, the allowable deviation of the test condition is given by equation (1). NM M × 100% (1) Note. The allowable deviation of test conditions can also be expressed in absolute values. Allowable deviation refers to the allowable range of variation of this value. 3.4 Test equipment equipmentundertest; EUT Equipment being tested. All accessory equipment should be included unless otherwise stated. 3.5 Cold state coldstate In the case where the amount of excitation is not applied, the difference between the temperature of each portion and the ambient temperature is not more than 3K. 3.6 Hot state (thermal stable state) thermalstate (thermalystablestate) Under the action of the specified amount of excitation, the temperature rise of the product reaches a stable state. In this state, the temperature difference measured every half hour is not exceeded. Over 1K. 3.7 Single-axis sine sweep frequency test singleaxissinesweepseismictest The three orthogonal axes of the device under test were subjected to an equal displacement or equal acceleration swept sinusoidal vibration test in the standard frequency range. 3.8 Biaxial test The horizontal axial and vertical axial directions of the device under test were simultaneously subjected to vibration tests. 3.9 Biaxial multi-frequency random earthquake test biaxialmulti-frequencyrandomseismictest The device under test was subjected to a test of random sequence vibration of the test response spectrum. The test response spectrum can be reproduced by the dual-axis multi-frequency input motion Quasi-response spectrum. 3.10 Standard response spectrum standardresponsespectrum A response spectrum whose waveform conforms to Figure 32, whose main parameters are the damping and zero-cycle acceleration defined by 3.11 and 3.12. 3.11 Damping damping A generic term that characterizes many energy dissipation mechanisms in a system. Note. In practice, damping depends on many parameters such as structure, mode shape, strain, force, speed, material, joint slip, and so on. 3.12 Zero cycle acceleration zeroperiodacceleration The high frequency asymptotic value of the response spectral acceleration (see Figure 32). Note. Zero-cycle acceleration is practical because it represents the maximum peak acceleration in a time history. This zero-cycle acceleration cannot be rang The peak acceleration of the spectrum is confused. 3.13 Random motion sample randommotionsample The sample formed after changing the frequency range and amplitude of the random motion record is used to reproduce the desired response spectrum or standard response spectrum. 3.14 Time history time-history A record of the acceleration or displacement or velocity produced by a given motion as a function of time (see Figure 33). 3.15 Time history strong part strongpartoftime-history From the first time the time history curve reaches the 25% maximum, to the time history part of the last reduction to 25% maximum (See Figure 33). 3.16 Conformance test conformancetest Verify the consistency of data flow on the communication channel with standard conditions, involving access to organization, format, bit sequence, time synchronization, timing, signal grid Equation and level, reaction to errors, etc. Perform a conformance test that is consistent with the standard or standard specific description section. [DL/Z860.2-2006, definition 2.16] 3.17 Universal object-oriented substation event genericobjectorientedsubstaitonevent;GOOSE When any state changes occur, the smart electronic device will multicast a high-speed binary object with a change report---general-oriented The Substation Event (GOOSE) report. The report generally includes. status inputs, start and output components, relays, etc., actual and virtual. Each two-point command state. After the first report, the report is generally resent in the order of 2ms, 4ms, 8ms, and 60000ms (the first retransmission delay is not solid) Fixed, can be long or short). Universal object-oriented substation event reporting allows the transmission of high-speed trip signals with a high probability of successful transmission. [DL/Z860.2-2006, definition 2.44] 3.18 Information model informationmodel About substation functions (devices), with the aid of the DL/T 860 standard, making it visible and accessible. The model is abstract Simplify the description of actual functions or devices. [DL/Z860.2-2006, definition 2.53] 3.19 Merging unit merging unit; MU Interface unit. The unit receives multiple current, voltage transformer analog and binary inputs, generating multiple time synchronization serial one-way multiple Point digital point-to-point output for data communication via logical interfaces 4 and 5. [DL/Z860.2-2006, definition 2.79] 3.20 Negative test negativetest The verification device or system gives a negative response to the following criteria as a test that responds correctly. --- DL/T 860 standard conformance information and services not implemented in the device or system under test; --- Non-DL/T 860 standard conformance information and services sent to the device or system under test. [DL/Z860.2-2006, definition 2.85] 3.21 Sampled value sampledvalue; SV Correlating model objects and services for sampling values in a sampled data set based on a publish/subscribe mechanism, and kimonos of these model objects Work with the mapping between ISO /IEC 8802-3 frames. 3.22 Smart terminal smartterminal A device. It is connected with the primary equipment by cable, and the secondary equipment such as protection, measurement and control is connected by optical fiber to realize the primary equipment. (such as. circuit breakers, knife gates, main transformers, etc.) measurement, control and other functions.

4 test conditions

4.1 Environmental conditions of the test All tests shall be carried out under the conditions specified in Table 1, unless otherwise specified. Table 1 Test baseline conditions Impact quantity baseline condition Working temperature 20 °C ± 5 °C Relative humidity 45%~75% Atmospheric pressure 86kPa~106kPa Auxiliary power supply voltage rated supply voltage ±1% Zero sequence voltage a ≤1.0% External continuous magnetic field magnetic field induction strength is not more than 0.5mT The DC component of the AC voltage and current does not exceed 2% of the peak value The peak ripple coefficient of the AC component in the DC auxiliary excitation amount is 0%~15% of the DC rating. Waveform sine wave, distortion factor does not exceed 5% b Frequency rated frequency (50Hz or 60Hz) ± 0.2% a Vector sum of all relative ground voltages in a three-phase system. b Distortion factor. the ratio of the rms value of the harmonics obtained by subtracting the fundamental wave from the non-sinusoidal period to the rms value of the non-sinusoidal quantity, usually in percentage Said. 4.2 Installation location During the test, it is installed in the normal working position, and the allowable deviation of the mounting position for either direction is 2°. 4.3 Test instruments and instruments 4.3.1 The accuracy of the general instrumentation shall be selected according to Table 2 according to the error level to be measured. Table 2 Meter accuracy level Error < 0.5% ≥0.5%~1.5%>1.5%~5% ≥5% Instrument accuracy 0.1 level 0.2 level 0.5 level 1.0 level Digital meter accuracy 6 and a half 5 and a half 4 4 and a half 4 and a half 4.3.2 The accuracy of the meter for measuring phase should not be lower than 1.0. 4.3.3 The error of the meter used for measuring temperature should not exceed ±1 °C. 4.3.4 Measuring time meter. When the measuring time is greater than 1s, the relative error is not more than 0.1%; when the measuring time is not more than 1s, the error is not More than 1ms, the resolution is not less than 0.1ms. 4.3.5 The accuracy of other test instruments shall meet the requirements stipulated by the corresponding standards.

5 Structure and appearance inspection

5.1 Inspection contents and methods 5.1.1 Visually check the quality of the soldering parts of all parts of the equipment under test, such as pinholes, bubbles, cracks, hanging tin, tipping, bridging and solder joints. Poor ......
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