NB/T 10331-2019 English PDFUS$689.00 · In stock
Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email. NB/T 10331-2019: Multi-function commutation switch Status: Valid
Basic dataStandard ID: NB/T 10331-2019 (NB/T10331-2019)Description (Translated English): Multi-function commutation switch Sector / Industry: Energy Industry Standard (Recommended) Classification of Chinese Standard: K30 Classification of International Standard: 29.120.50 Word Count Estimation: 30,371 Date of Issue: 1900-01-20 Date of Implementation: 1900-01-20 Issuing agency(ies): National Energy Administration NB/T 10331-2019: Multi-function commutation switch---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.Multi-function commutation switch ICS 29.120.50 K 30 NB Energy Industry Standards of the People's Republic of China Multi-function commutation switch 2019-12-30 released 2020-07-01 implementation Issued by National Energy Administration Table of contentsForeword...III 1 Scope...1 2 Normative references...1 3 Terms and definitions...2 4 Classification...3 4.1 According to short-circuit breaking capacity...3 4.2 According to whether it is suitable for isolation...3 4.3 According to whether it has residual current protection function...3 5 Features...3 5.1 Summary of Features...3 5.2 Ratings and limits of the main circuit...3 5.3 Characteristics of multi-function commutation switch related to residual current function...5 5.4 Control circuit...7 5.5 Auxiliary circuit...7 5.6 Communication...7 6 Product Information...7 6.1 Types of data...7 6.2 Logo...7 6.3 Installation, use and maintenance instructions...8 7 Normal use, installation and transportation conditions...8 7.1 Normal use conditions...8 7.2 Transport and storage conditions...8 7.3 Installation...9 8 Structure and performance requirements...9 8.1 Structural requirements...9 8.2 Performance requirements...9 8.3 Functional requirements...11 8.4 Electromagnetic compatibility...11 9 Test...14 9.1 Test types...14 9.2 Verification structure requirements...15 9.3 Verify performance requirements...15 9.4 Functional compliance verification...18 9.5 Electromagnetic compatibility...19 9.6 Low temperature test...21 9.7 High temperature test...21 9.8 Verification of Humidity Resistance...22 Appendix A (informative appendix) Type test procedure...23 Appendix B (Informative Appendix) Routine Test...25 References...26ForewordThis 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 Low Voltage Electrical Apparatus Standardization Technical Committee (SAC/TC189). Drafting organizations of this standard. Shanghai Electrical Apparatus Research Institute (Group) Co., Ltd., Changshu Switch Manufacturing Co., Ltd. (formerly Changshu Switch Factory), Zhejiang Chint Electric Co., Ltd., Zhejiang Yi'an Power Electronic Technology Co., Ltd., Wenzhou Huajia Electric Co., Ltd., Gaonengge Le Electric Co., Ltd., Shanghai Electrical Apparatus Research Institute. The main drafters of this standard. Zhang Keqiang, Wang Feng, Jiang Huahua, Wang Shigang, Huang Guangfa, Liu Yu, Chen Xueqin. Multi-function commutation switch1 ScopeThis standard applies to the multi-function commutation switch with rated frequency of 50 Hz, rated voltage not exceeding 440 V, and rated current not exceeding 250 A. turn off. This standard specifies the scope, terminology, classification, characteristics, product information, normal use and installation conditions, Structure and performance requirements and test methods.2 Normative referencesThe 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 2423.4 Environmental testing of electrical and electronic products Part 2.Test method Test Db Alternating damp heat (12h + 12h cycle) GB/T 2423.5 Environmental testing of electrical and electronic products Part 2.Test method Test Ea and guideline. Impact GB/T 2423.10 Environmental testing of electric and electronic products Part 2.Test method Test Fc. Vibration (sinusoidal) GB/T 2423.18 Environmental testing of electrical and electronic products Part 2.Test method Test Kb. Salt spray, alternating (sodium chloride solution) GB/T 4208 Shell protection grade (IP code) GB 4824-2013 Industrial, scientific and medical (ISM) radio frequency equipment disturbance characteristic limits and measurement methods GB/T 5169.11 Fire hazard test for electric and electronic products Part 11.Glow wire/hot wire basic test method Flammability test method GB/T 7251.1-2013 Low-voltage switchgear and control equipment Part 1.General GB/T 14048.1-2012 Low-voltage switchgear and control equipment Part 1.General rules GB/T 14048.2-2008 Low Voltage Switchgear and Control Equipment Part 2.Circuit Breaker GB/T 14048.3-2017 Low-voltage switchgear and control equipment Part 3.Switches, isolators, disconnectors and fuse combinations Electrical appliances GB/T 14048.4-2010 Low-voltage switchgear and control equipment Part 4-1.Contactors and motor starters electromechanical contactors And motor starter (including motor protector) GB/T 14048.5-2017 Low-voltage switchgear and control equipment Part 5-1.Electromechanical control of control circuit appliances and switching elements Circuit Appliance GB/T 14048.11-2016 Low-Voltage Switchgear and Control Equipment Part 6-1.Multifunctional Electrical Switching Appliance GB/T 17626.2 Electromagnetic compatibility test and measurement technology Electrostatic discharge immunity test GB/T 17626.3 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 (impact) immunity test GB/T 17626.6 Electromagnetic compatibility test and measurement technology Radio frequency field induced conducted disturbance immunity GB/T 17626.11 Electromagnetic compatibility test and measurement technology Voltage sag, short-term interruption and voltage change immunity test GB/T 32902-2016 Residual current protection circuit breaker (CBAR) with automatic reclosing function DL/T 645-2007 Multifunctional electric energy meter communication protocol3 Terms and definitionsThe following terms and definitions defined in GB/T 14048.1-2012 apply to this standard. 3.1 Three-phase load unbalance automatic regulating equipment Installed in the distribution station area, it can automatically adjust the load phase or automatically compensate the load current to realize the distribution transformer in the distribution station area A device system with the maximum balance of three-phase current (power) at the outlet of each low-voltage circuit on the low-voltage side. 3.2 Commutation switch type three-phase load automatic adjustment device unbalance automatic regulating equipment It consists of a device main unit (control management unit) and several sub-units (multi-function commutation switch), which are controlled by the main unit The system sub-unit performs phase commutation and automatically adjusts the power load phase. The power load of the low-voltage circuit is balancedly distributed on the three phases of A, B, and C. At present, the three-phase current (power) of each low-voltage circuit outlet on the low-voltage side of the distribution transformer in the distribution station area is balanced to the maximum extent. 3.3 Control and management unit The main unit of the commutation switch type three-phase load imbalance automatic adjustment device is used to monitor the power supply status of the three-phase line and control one or more The load of the sub-unit is switched between different phases, which integrates functions such as electricity consumption information collection, equipment operation status monitoring, intelligent control and communication. The secondary equipment. 3.4 Multi-function commutation switch The sub-unit of the commutation switch type three-phase load imbalance automatic adjustment device is used to connect the single-phase electric load to the three-phase power supply (low-voltage circuit) It is an intelligent device that integrates information collection, data communication, phase switching and other functions to realize three-phase load imbalance management. Prepared. 3.5 Working phase The phase of the multi-function commutation switch that is currently connected and carrying load current. 3.6 Free phase The phase with no load current in the multi-function commutation switch. 3.7 Commutation response time Measure the time from the commutation command issued by the main unit to the closing of the main contact of any idle phase of the subunit. 3.8 Commutation switching time Measure the time from the opening of the main contact of the working phase to the closing of the main contact of any idle phase. 3.9 Commutation power-off time Under the condition of the longest arcing time, the measurement from the moment when the arc of the working phase is finally extinguished during the commutation switching process to the idle phase The time until the main contact is closed.4 categories4.1 According to short-circuit breaking capacity --Able to connect and carry, but not used to break short-circuit current; --Able to connect, carry and break short-circuit current. 4.2 According to whether it is suitable for isolation --Suitable for isolation; --Not suitable for isolation. 4.3 According to whether it has residual current protection function --Does not have the function of residual current protection; --AC type residual current protection function; --A type residual current protection function.5 Features5.1 Summary of Features The characteristics of the multi-function commutation switch should specify the following items (if applicable). -The rated value and limit value of the main circuit (5.2); --Characteristics related to residual current function (5.3) --Control circuit (5.4); -Auxiliary circuit (5.5); - Communication (5.6). 5.2 Ratings and limits of the main circuit 5.2.1 Rated voltage 5.2.1.1 Rated working voltage (Ue) The rated working voltage of the multi-function commutation switch is a voltage value that is combined with the rated working current to determine the use of electrical appliances. The corresponding test is relevant. 5.2.1.2 Rated insulation voltage (Ui) The rated insulation voltage is the voltage value specified by the manufacturer, which is related to the dielectric test voltage and creepage distance. Under no circumstances should the maximum rated working voltage exceed the rated insulation voltage. 5.2.1.3 Rated impulse withstand voltage (Uimp) Under specified conditions, electrical appliances can withstand impulse voltage peaks of specified shape and polarity without breakdown. This value and electrical clearance related. 5.2.2 Current 5.2.2.1 Conventional free air heating current (Ith) 4.3.2.1 in GB/T 14048.1-2012 applies. 5.2.2.2 Conventional enclosed thermal current (Ithe) 4.3.2.2 in GB/T 14048.1-2012 applies. 5.2.2.3 Rated working current (Ie) The rated working current of the multi-function commutation switch is the rated uninterrupted current, and 4.3.2.4 of GB/T 14048.1-2012 applies. 5.2.3 Rated frequency The power frequency used in the design of electrical appliances and related to other characteristic values. 5.2.4 Rated making capacity and breaking capacity The rated making capacity and breaking capacity are specified by the manufacturer, that is, under the specified conditions, the multi-function commutation switch can be connected well The current value of on and off. Unless otherwise specified, the rated making capacity and breaking capacity are expressed by steady-state current values. During the switch-on operation, touch The peak current when the head is closed may be higher than the steady-state current amplitude, which depends on the characteristics of the test circuit (load) and the voltage phase at the moment of closing. Bit angle. 5.2.5 Short circuit characteristics 5.2.5.1 Rated short-circuit making capacity The rated short-circuit making capacity is specified by the manufacturer. Under the rated working voltage, rated frequency and specified power factor, multi-function commutation Change the short-circuit making capacity value of the switch. The rated short-circuit making capacity is expressed by the maximum expected peak current. The rated short-circuit making capacity of the multi-function commutation switch should not be less than its rated limit short-circuit breaking capacity multiplied by GB/T The value after the coefficient n in Table 16 in 14048.1-2012.The manufacturer can specify a larger short-circuit making capacity value. The rated short-circuit making capacity means that the multi-function commutation switch can be switched on under an appropriate applied voltage corresponding to the rated operating voltage. The rated capacity of the stream. 5.2.5.2 Rated short-circuit breaking capacity The rated short-circuit breaking capacity is specified by the manufacturer. Under the rated working voltage, rated frequency and specified power factor, the multi-function commutation Change the short-circuit breaking capacity value of the switch. The rated short-circuit breaking capacity requires that the multi-function commutation switch should be able to break under the power frequency recovery voltage corresponding to the specified test voltage Less than or equal to any current value equivalent to the rated capacity, and the power factor is not less than the provisions of Table 16 in GB/T 14048.1-2012. The rated short-circuit breaking capacity is specified as. --- rated ultimate short-circuit breaking capacity, see 4.3.5.2.1 in GB/T 14048.2-2008; --For rated operating short-circuit breaking capacity, see 4.3.5.2.2 in GB/T 14048.2-2008. 5.2.5.3 Rated short-time withstand current The rated short-time withstand current is specified by the manufacturer. Under the test conditions specified in 9.3.9.3, the multi-function commutation switch can carry Short-time withstand current value. The rated short-time withstand current value is expressed by the effective value of the AC component of the current, and the maximum peak current of any phase should not be less than the effective value N times the value, the coefficient n is given in Table 16 of GB/T 14048.1-2012. The minimum short-time withstand current should not be less than 12Ie, unless otherwise specified by the manufacturer, the power-on duration should be 1 s. 5.2.5.4 Rated limit short-circuit current The rated limit short-circuit current is specified by the manufacturer. Under the test conditions specified in 9.3.9.4, it is protected by the designated short-circuit protection device (SCPD). The expected short-circuit current value that the protected multi-function commutation switch can withstand during the action time of the short-circuit protection appliance. The manufacturer shall explain the details of the specified short-circuit protection electrical appliances, including its model, rating, and characteristics. For current-limiting electrical appliances, also Should include the maximum peak current and I2t corresponding to the expected current value. For AC, the rated limited short-circuit current is expressed by the effective value of the AC component of the current. The short-circuit protection electrical appliance can be used as a component of the multi-function commutation switch or a separate electrical appliance. 5.3 The characteristics of the multi-function commutation switch related to the residual current function 5.3.1 Ratings 5.3.1.1 Rated residual operating current (I△n) The manufacturer specifies the multi-function commutation switch with residual current function. The multi-function commutation switch is regulated under this current. The effective value of sinusoidal residual operating current that must be operated under certain conditions. Note. For those with multiple residual operating current setting values, the maximum setting value is usually used to indicate its rated value. 5.3.1.2 Rated residual non-operation current (I△no) According to the manufacturer's requirements for the multi-function commutation switch with residual current function, the multi-function commutation switch is under the specified conditions The effective value of the residual non-operation current of the sine that should not be operated. 5.3.1.3 Rated residual short-circuit making and breaking capacity (I△m) The manufacturer's requirements for the multi-function commutation switch with residual current function, under this value, the multi-function commutation switch is specified The effective value of the AC component of the expected residual short-circuit current that can be connected, carried and broken under the conditions of 5.3.2 Preferred value and limit value 5.3.2.1 Preferred value of rated residual operating current (I△n) The preferred value of the rated residual operating current is. 0.006 A, 0.01 A, 0.03 A, 0.1 A, 0.3 A, 0.5 A, 1 A, 3 A, 10 A, 30 A. Higher values can be requested. I△n can be expressed as a percentage of the rated current. 5.3.2.2 The minimum value of the rated residual non-operation current (I△no) The minimum value of the rated residual non-operation current is 0.5I△n. 5.3.2.3 Action characteristics 5.3.2.3.1 Non-delay type 5.3.2.3.2 Delay type 5.3.2.3.2.1 Limit non-driving time For the delay type, the limit non-driving time is specified by 2I△n and should be announced by the manufacturer. 5.3.2.3.2.2 Action characteristics For the multi-function commutation switch with residual current function whose limit non-driving time is greater than 0.06 s, the manufacturer shall publish in I△n, Maximum off time of 2I△n, 5I△n and 10I△n. For the multi-function commutation switch with residual current function whose limit non-driving time is 0.06 s, the operating characteristics are given in Table 2. 5.3.3 Rated residual short-circuit making and breaking capacity value (I△m) The manufacturer can test the larger value and publish the value. 5.3.4 Action characteristics in the case of ground fault current with or without DC component 5.3.4.1 AC type For the residual sinusoidal AC current without DC component that is suddenly applied or slowly rising, the residual current function with residual current function is guaranteed to be tripped. Multi-function commutation switch. 5.3.4.2 Type A Whether it is applied suddenly or slowly rising residual sinusoidal current and residual pulsating DC (with/without specified superimposed DC component) can be determined Multi-function commutation switch with residual current function to protect tripping. 5.4 Control circuit 4.5 in GB/T 14048.1-2012 applies. 5.5 Auxiliary circuit The characteristics of auxiliary circuits are the number and type of contacts (a contact, b contact, etc.) in each circuit and their rated values. For rated values, see GB/T 14048.5-2017. The characteristics of the auxiliary contact should meet the requirements of GB/T 14048.5-2017. 5.6 Communication The communication mode between the multi-function commutation switch and the main unit can be. --wireless; --Wired (such as power carrier, RS485, etc.).6 Product Information6.1 Types of data 5.1 of GB/T 14048.1-2012 applies. 6.2 Logo Each multi-function commutation switch shall be marked with the following contents in an easily recognizable and durable way. a) The name or trademark of the manufacturer; b) Model or serial number; c) Rated working voltage; d) Rated working current; e) Whether it is suitable for isolation, and if applicable, mark it with a symbol; f) Rated frequency value; g) R......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of NB/T 10331-2019_English be delivered?Answer: Upon your order, we will start to translate NB/T 10331-2019_English as soon as possible, and keep you informed of the progress. 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