GB/T 25386.1-2021 English PDFUS$409.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 25386.1-2021: Wind turbines - Control system - Part 1: Technical condition Status: Valid GB/T 25386.1: Historical versions
Basic dataStandard ID: GB/T 25386.1-2021 (GB/T25386.1-2021)Description (Translated English): Wind turbines - Control system - Part 1: Technical condition Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: F11 Word Count Estimation: 22,285 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 25386.1-2021: Wind turbines - Control system - Part 1: Technical condition---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.Wind turbines - Control system - Part 1.Technical condition ICS 27.180 F11 National Standards of People's Republic of China Replace GB/T 25386.1-2010 Wind turbine control system Part 1.Technical conditions Released on 2021-03-09 2021-10-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee Table of contentsForeword Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 2 4 General requirements 3 5 Technical requirements 7 6 Test method 14 7 Inspection rules 15 8 Product information 16 Wind turbine control system Part 1.Technical conditions1 ScopeThis part of GB/T 25386 specifies the general technical requirements and inspection rules for wind turbine control systems. This section applies to the grid-connected horizontal axis variable speed constant frequency wind turbine (hereinafter referred to as the "unit") control system.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 Documents; For undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 191 Packaging, storage and transportation pictorial signs GB/T 2423.1 Environmental testing of electrical and electronic products Part 2.Test methods Test A. Low temperature GB/T 2423.2 Environmental testing of electric and electronic products Part 2.Test method Test B. High temperature GB/T 2423.3 Environmental Test Part 2.Test Method Test Cab. Constant Humidity Test 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 Test Part 2.Test Method Test Ea and Guideline. Impact GB/T 2423.10 Environmental Test Part 2.Test Method Test Fc. Vibration (Sine) GB/T 3797 electrical control equipment GB/T 5226.1 Electrical safety of machinery Electrical equipment of machinery Part 1.General technical conditions GB/T 7094 Vibration (sinusoidal) test method for marine electrical equipment GB/T 7251.1-2013 Low-voltage switchgear and control equipment Part 1.General GB/T 13384 General technical conditions for packaging of mechanical and electrical products GB/T 14598.27-2017 Measuring Relays and Protection Devices Part 27.Product Safety Requirements GB/T 15543-2008 Power quality three-phase voltage unbalance GB/T 15969.1 Programmable Controller Part 1.General Information GB/T 15969.2 Programmable Controller Part 2.Equipment Requirements and Testing 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 17626.5-2019 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 17626.12-2013 Electromagnetic compatibility test and measurement technology Ring wave immunity test GB/T 19608.1 Classification of special environmental conditions Part 1.Dry heat GB/T 19608.2 Classification of special environmental conditions Part 2.Dry hot desert GB/T 19608.3 Classification of special environmental conditions Part 3.Plateau GB/T 19963-2011 Technical Regulations for Connecting Wind Farms to Power Systems GB/T 20626.1-2017 Special environmental conditions Plateau electrical and electronic products Part 1.General technical requirements GB/T 20641 General requirements for empty housings of low-voltage switchgear and control equipment During transportation, it is separated from the control system and stored according to the temperature requirements of the device. 4.2.3 Requirements of the place of use The place where the control system is used should meet the following requirements. a) There should be no gas or conductive medium that corrodes and destroys the insulation, and there should be no medium that causes fire or explosion, and there should be no obvious And more serious molds; b) The grounding resistance of the place of use should not be greater than 4Ω; c) For climatic conditions and use places in accordance with GB/T 19608.1, GB/T 19608.2 and GB/T 19608.3 series standards Claim. 4.3 Power supply conditions 4.3.1 AC power The control system should be able to operate normally under the following AC power environmental conditions. a) Power supply voltage frequency change range. 47.5Hz~51.5Hz; b) Allowable fluctuation range of power supply voltage. -10%~10% of the rated voltage; c) The unbalance of the power supply voltage should meet the provisions of Chapter 4 of GB/T 15543-2008, and work normally within its range; d) The power supply voltage waveform is a sine wave, and the total harmonic distortion rate of the voltage should not be greater than 5%. 4.3.2 DC power supply The control system should be able to operate normally under the following DC power supply environmental conditions. a) Allowable deviation of power supply voltage. -10%~ 10%; b) The ripple factor of the power supply voltage should not be greater than 5%. 4.4 Control cabinet and components 4.4.1 Cabinet design requirements 4.4.1.1 The design and structure of the cabinet shall comply with the relevant regulations of GB/T 20641. 4.4.1.2 The cabinet design should meet the installation and maintenance requirements in the tower and engine room, and when necessary, there should be corresponding vibration reduction measures. 4.4.1.3 The cabinet design should meet the requirements of safety grounding to prevent damage caused by overvoltage induced by lightning. 4.4.2 Component requirements 4.4.2.1 The components used in the control system shall comply with its own relevant standards and relevant regulations of GB/T 5226.1. 4.4.2.2 The programmable controller shall comply with the relevant regulations of GB/T 15969.1 and GB/T 15969.2. 4.4.2.3 The metal parts of the product should undergo anti-corrosion treatment, all parts should be intact, and the appearance of the product should be free of scratches, damage and deformation. 4.4.2.4 The parts and components of the product should be installed correctly and firmly, and achieve reliable mechanical and electrical connections. 4.4.2.5 The operation and adjustment parts such as knobs, control switches, transfer switches, buttons, etc. should be flexible in operation, and there should be no jams, looseness and poor contact, etc. Phenomenon, there should be no loosening or state change phenomenon after vibration. 4.4.3 Electrical connection requirements 4.4.3.1 The correctness of each electrical connection should be ensured. Auxiliary devices such as relays, contactors, miniature circuit breakers, and electronic components should be assembled Before confirming that it is in a qualified state. 4.4.3.2 The laying and connection of cables and wires shall meet the requirements of GB 50171. 4.5 Electromagnetic compatibility 4.5.1 Ringing wave immunity test The control cabinet should be able to withstand the ring wave immunity test with the test level 3 specified in Chapter 5 of GB/T 17626.12-2013. 4.5.2 Electrostatic discharge test The control cabinet shall be able to withstand the electrostatic discharge immunity test with the test level of level 3 specified in Chapter 5 of GB/T 17626.2-2018. 4.5.3 Radiated electromagnetic field immunity test The control cabinet should be able to withstand the radiated electromagnetic field immunity test with the test level of level 3 specified in Chapter 5 of GB/T 17626.3-2016. 4.5.4 Electrical fast transient/pulse group immunity test The control cabinet should be able to withstand the electrical fast transient pulse group immunity of the test level 3 specified in Chapter 5 of GB/T 17626.4-2018 Degree test. 4.5.5 Surge immunity test The control cabinet should be able to withstand the surge group immunity test with the test level of level 3 specified in Chapter 5 of GB/T 17626.5-2019. 4.5.6 Conducted disturbance immunity test induced by radio frequency field The control cabinet should be able to withstand the conducted disturbance induced by the radio frequency field with the test level of level 3 specified in Chapter 5 of GB/T 17626.6-2017 Immunity test. 4.6 Insulation performance 4.6.1 Insulation resistance The charged conductive circuits of the control cabinet are connected to the ground (i.e. the housing or exposed non-charged metal parts), as well as those without electrical connection. Between conductive loops, test the insulation resistance value should not be less than 1MΩ. 4.6.2 Dielectric properties 4.6.2.1 Impact withstand voltage Between the live part of the control cabinet and the exposed conductive part, and between the live parts of different potentials, it should be able to withstand GB/T 7251.1- The impulse withstand voltage specified in 9.1.3 in.2013 has no breakdown or flashover. When the altitude of the product use location is different from the altitude of the test location It should be revised in accordance with the provisions of 5.5.1 in GB/T 20626.1-2017. 4.6.2.2 Power frequency withstand voltage Between the live part of the control cabinet and the exposed conductive part, and between the live parts of different potentials, it should be able to withstand GB/T 7251.1- The power frequency withstand voltage specified in 9.1.2 in.2013, after 1 min of inspection, there is no breakdown or flashover phenomenon. When the product is used at altitude and When the altitude of the test site is different, it should be corrected in accordance with the provisions of 5.5.1 in GB/T 20626.1-2017. 4.7 Mechanical properties 4.7.1 Vibration test (sinusoidal) 4.7.1.1 Vibration response The vibration test level of the control cabinet is in accordance with GB/T 2423.10, with an amplitude of 1mm in the vibration frequency band of 1Hz~13.2Hz, at 13. The 2Hz~100Hz vibration frequency band is swept at an acceleration of 0.7g in 3 mutually perpendicular axes at a rate of one octave per minute. Frequency, detect the resonance frequency of each axis. According to GB/T 7094, measure the Q value of the amplification factor and record the frequency at which the Q value is greater than or equal to 2 Point, and use a simple icon in the test report to indicate the location of the acceleration sensor.If the performance of the sample meets the relevant requirements, the amplification factor Q value is less than or Equal to 5 is acceptable. Any resonance with an amplification factor Q greater than 5 is unacceptable. 4.7.1.2 Vibration durability In the vibration response inspection of the control cabinet, if a dangerous frequency with an amplification factor Q greater than or equal to 2 is found, it should be at each dangerous frequency Point, in accordance with the frequency range and amplitude specified in 4.7.1.1 for vibration resistance test, the test time is at least 30min. Several dangerous frequencies as measured When it is relatively close, the frequency sweep test can be used to replace the discrete frequency test, the duration is 120min, and the frequency sweep range covers the dangerous frequency. 0.8 times to 1.2 times. If there is no dangerous frequency, the vibration resistance test should be carried out at 30Hz, and the test time should be at least 30min. 4.7.2 Impact test According to GB/T 2423.5, the impact test was carried out with a peak acceleration of 15g and a pulse duration of 6ms. 4000 impact tests are carried out on mutually perpendicular axes. The shock repetition rate should be less than the minimum resonance frequency in the vibration response test 1/10. 4.8 Low temperature performance The control cabinet should be tested in accordance with GB/T 2423.1.After the test temperature is the lower limit of the working temperature and is stable, the product is energized and started to run. The continuous running time is 2h. Note. If the user has special requirements, it is determined by the manufacturer and the user through consultation. 4.9 High temperature performance The control cabinet should be tested in accordance with GB/T 2423.2.After the test temperature is the upper limit of the working temperature and is stable, the product is energized and started to run. The continuous running time is 2h. Note. If the user has special requirements, it is determined by the manufacturer and the user through consultation. 4.10 Humidity and heat performance According to the experimental conditions and use environment, choose one of the following two methods. a) Alternating damp heat. The control cabinet is tested according to GB/T 2423.4, the high temperature is 55℃, and the number of cycles is 2 times. Test 4.6.1 after the test The insulation resistance of a certain part should not be less than 0.5MΩ. The dielectric strength should not be lower than the dielectric strength test voltage value specified in 4.6.2 75% of it. b) Constant heat and humidity. The control cabinet is tested in accordance with GB/T 2423.3, the test temperature is 40℃, the humidity is 93%, and the test time is 48h. test After the test, the insulation resistance of the specified part in 4.6.1 shall not be less than 0.5MΩ. The dielectric strength should not be lower than the medium specified in 4.6.2 75% of the strength test voltage value. 4.11 Mildew resistance The mildew resistance of the main control cabinet of offshore wind turbines should meet the requirements of GB/T 33630, and the whole cabinet or samples can be used for testing. 4.12 Salt spray resistance The salt spray resistance of the main control cabinet of offshore wind turbine generators should meet the requirements of GB/T 33630, and the whole cabinet or samples can be used for testing. 4.13 Equipment safety 4.13.1 Protection against electric shock 4.13.1.1 The control cabinet should adopt reliable grounding protection measures, and ensure the continuity of grounding, and the resistance of the circuit should not exceed 0.1Ω, Should meet the requirements of GB/T 3797 to prevent indirect contact with electricity. 4.13.1.2 The control cabinet should take measures, such as baffles, protective doors, effective insulation safety signs, etc., to prevent direct contact with electricity. 4.13.2 Enclosure protection 4.13.2.1 The protection level of the control cabinet body meets IP54, the protection level of the plug-in connector meets IP65, and the surface of the joint shell is powder-painted Yes, it should be corrosion resistant and comply with the specifications for electromagnetic compatibility applications. 4.13.2.2 All external sensors and switches require corrosion resistance, a strong metal shell, and the protection level should meet IP65. 4.13.2.3 The flammability of insulating materials and components in the cabinet shall comply with the provisions of GB/T 14598.27-2017 in 7.6. 4.14 Lightning protection design The lightning protection design of the control cabinet should meet the requirements of GB/T 33629 and GB/T 21714.4.5 Technical requirements5.1 Design principles 5.1.1 The control system should make the unit operate within the range of design parameters under specified external conditions. 5.1.2 The control system should optimize the operating efficiency of the unit through the control of the actuator, and realize the efficient and safe operation of the unit. 5.1.3 The control system should be able to detect the failure of the unit, such as overspeed, over vibration, over power, overheating, etc., and take perfect protective measures. 5.1.4 The control system should have the ability to control at least two sets of independent braking systems. 5.2 Functional requirements 5.2.1 Overview The control system should include operation monitoring functions, such as data acquisition and processing, parameter monitoring and protection, human-computer interaction, event and fault information recording Recording, continuous data recording, etc.; operation control functions, such as start control, shutdown control, grid-connected control, variable speed control, constant power operation control, yaw Control, un-cable control, etc. The control system can also adopt advanced control functions, such as power generation optimization control, load optimization control, and grid adaptive control. System, environmental adaptability control, etc. 5.2.2 Operation monitoring function 5.2.2.1 Data collection and processing functions The control system should have the function of collecting and processing unit operation-related data through communication or direct signal detection, such as. Parameters, environmental parameters, converter control parameters, pitch system control parameters, other unit operating parameters, etc. 5.2.2.2 Basic monitoring functions 5.2.2.2.1 Basic design requirements The unit fault monitoring function shall at least meet the following requirements. a) All failure and early warning limits should meet the design requirements of the complete machine load, the load of each component, and the electrical performance of the equipment (provided by the manufacturer); b) Each fault has an independent fault code, or fault number, and can be accurately located; c) It can provide the time sequence of fault occurrence in the scanning period of the control system; d) Able to give different levels of shutdown commands according to the degree of risk and particularity of the failure, warning; e) If two or more failures are related to each other or have a common cause, they should be handled as one failure; f) When the protection function and the control function conflict, the protection function should have priority; g) When the safety chain is triggered, it should be confirmed by the staff before the fault reset can be carried out; h) The recommended fault parameters should have the following attribute settings. ---Set the trigger condition of the fault; ---Set the reset conditions of the fault; ---Set the fault reset method; ---Set the shutdown mode of the failure. 5.2.2.2.2 Monitoring of the number of self-start (reset) Considering the safety requirements of the whole machine design, after the unit is shut down, the number of allowed self-starting (reset) should be limited to prevent potential risks. occur. a) For different faults, the number of self-starting (reset) that occur within the set time needs to be limited; b) Once the manual reset or start action occurs, the status of the self-start (reset) times protection is cleared. 5.2.2.3 Human-computer interaction The control system should be equipped with a human-machine interface (HMI) or a mobile HMI. On the process monitoring platform, real-time display of unit status, parameter modification, manual operation and other functions. a) Configure different permission levels according to different user objects; b) The main interface should display the current status of the unit (standby, grid connection, shutdown, etc.), as well as wind speed, wind direction, speed, power, pitch angle, etc. information; c) Real-time monitoring of the status of each subsystem; d) Browse information such......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 25386.1-2021_English be delivered?Answer: Upon your order, we will start to translate GB/T 25386.1-2021_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 25386.1-2021_English with my colleagues?Answer: Yes. 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