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NB/T 31043-2019: Technical specification for main control system of offshore wind turbine generator system
Status: Valid NB/T 31043: Evolution and historical versions
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Technical specification for main control system of offshore wind turbine generator system
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| NB/T 31043-2012 | English | 959 |
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Technical specification for main control system of offshore wind turbine generator system
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Basic data | Standard ID | NB/T 31043-2019 (NB/T31043-2019) | | Description (Translated English) | Technical specification for main control system of offshore wind turbine generator system | | Sector / Industry | Energy Industry Standard (Recommended) | | Classification of Chinese Standard | K45 | | Word Count Estimation | 26,246 | | Date of Issue | 2019-06-04 | | Date of Implementation | 2019-10-01 | | Older Standard (superseded by this standard) | NB/T 31043-2012 | | Regulation (derived from) | Natural Resources Department Announcement No. 7 of 2019 | | Issuing agency(ies) | National Energy Administration | NB/T 31043-2019: Technical specification for main control system of offshore wind turbine generator system
---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 specification for main control system of offshore wind turbine generator system
NB
ICS 29.120.01
K 45
Energy Industry Standards of the People's Republic of China
Replace NB/T 31043-2012
Technical conditions of steam turbine control system in thermal power plant
2019-06-04 released
2019-10-01 implementation
Issued by National Energy Administration
Table of contents
Foreword...V
1 Scope...1
2 Normative references...1
3 Terms and definitions...2
4 Technical requirements...3
5 Test method...14
6 Inspection Rules...20
7 Marks, labels and instructions for use...22
8 Packaging, storage and transportation...23
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces NB/T 31043-2012 "Technical Specification for Offshore Wind Power Main Control System", compared with NB/T 31043-2012, except for
The main technical changes besides the editorial modification are as follows.
--Update the following standards in the normative references in Chapter 2.
GB/T 3797-2016 Electrical control equipment
GB/T 17626.3-2016 Electromagnetic compatibility test and measurement technology Radio frequency electromagnetic field radiation immunity test
GB/T 17626.12-2013 Electromagnetic compatibility test and measurement technology Ring wave immunity test
--- Added the following standards in Chapter 2 normative references.
NB/T 31017-2018 Technical Specification for Main Control System of Wind Turbine
NB/T 31103-2016 Direct drive permanent magnet wind turbine main control system software function technical specification
NB/T 31051-2017 Wind Turbine Generator Low Voltage Ride Through Capability Test Regulation
NB/T 31054-2017 Wind turbine grid adaptability test procedure
NB/T 31111-2017 Wind Turbine Generator High Voltage Ride Through Test Regulation
NB/T 31094-2016 Special offshore environmental conditions and technical requirements for wind power equipment
GB/T.19963-2011 Technical Regulations for Connecting Wind Farms to Power Systems
GB/T 2423.101 Environmental testing of electrical and electronic products Part 2.Test method Test. Tilt and swing
--- Delete 4.2.2 environmental conditions of benchmark test;
--Modify 4.3.2.1 The components used in the control cabinet should be as resistant to damp and heat as possible, and its damp and heat resistance should meet the standard GB/T
3783-2008 requirements specified in Article 7.1.1.2.The components that should be resistant to humidity and heat are. control modules (PLC, IPC and other IO modules),
Circuit breakers, contactors, relays, transformers, transformers, buttons, wires and cables;
--Modify 4.4.3.4 The engine room control cabinet should have a debugging interface;
--Delete data read and write in 4.4.2.1 F;
--Add 4.4.5.1.3 requirements for direct drive models in automatic startup;
--Delete the section 4.4.5.1.2 Restart of the unit after a long shutdown "d. The shutdown caused by the power failure of the network should be manually restarted.
The way to start. ";
--Modify 4.4.5.1.4 in manual start "Dual-fed wind turbine and direct drive wind turbine meet NB/T 31017-2011
The relevant requirements of 4.6.5.3";
--- Increase the requirements for direct drive models during shutdown in 4.4.5.2;
-Modify "Table 1 Basic requirements for operating status and transition conditions", the standby action requirement is that the unit blades do not move;
--- Amend 4.4.6 "Automatic untwisting, during the execution of automatic untwisting, all automatic yaw requests shall be shielded";
--Modify the "communication method" in 4.4.6 "Table 2 Requirements for the Control Function of the Main Control System of Wind Turbine". the main control system should be able to improve
---Add "hydraulic system failure protection", "over-humidity protection" and "vibration protection" in 4.4.7;
--Modify 5.20.22 to change the internal clock of the main control system to deviate from the normal time, observe whether the clock value can achieve the standard clock source
Calibration, check whether it meets the requirements of 4.4.2.4;
--- Added table 4 "High Voltage Ride Through Control Test" item
--Add 8 in packaging, storage and transportation, "should refer to NB/T 31094-2016 "Special offshore environmental conditions for wind power equipment
And technical requirements"";
--Add "8.4 Tilt and Sway Test"
This standard was proposed by China Electrical Equipment Industry Association.
This standard is under the jurisdiction of the Wind Power Electrical Equipment Subcommittee (NEA/TC1/SC6) of the Wind Power Standardization Technical Committee of the Energy Industry.
The main drafting units of this standard. Shanghai Electric Wind Power Group Co., Ltd., Beijing Institute of Electrical Technology and Economics of Machinery Industry, Shanghai Electric
Transmission and Distribution Group Co., Ltd., Beijing Goldwind Technology Electrical Equipment Co., Ltd., Mingyang Smart Energy Group Co., Ltd., Chengdu Fute Technology Co., Ltd.
Co., Ltd., China Classification Society Quality Certification Company, Guodian United Power Technology Co., Ltd., Zhejiang Haide New Energy Co., Ltd., Xuchang
Cape Testing Research Institute Co., Ltd., Tianjin Ruineng Electric Co., Ltd., Tianjin Tianchuan Electric Control Equipment Testing Co., Ltd., National Electric Control Equipment
Electrical Equipment Quality Supervision and Inspection Center.
Participated in the drafting of this standard. China Electric Power Research Institute Co., Ltd., Envision Energy (Jiangsu) Co., Ltd., Zhejiang Yunda Wind Power
Co., Ltd., Sinovel Wind Power Technology (Group) Co., Ltd., Beijing Tiancheng Tongchuang Electric Co., Ltd., Jiangsu Goldwind Technology Co., Ltd.
Company, Xuchang Xuji Wind Power Technology Co., Ltd., Suzhou Electrical Apparatus Research Institute Co., Ltd., China Quality Certification Center, Beijing Jianheng
Certification Center Co., Ltd., Shanghai Zhongren Shangke New Energy Technology Co., Ltd., Beijing Jingcheng New Energy Co., Ltd., Kenuo Weiye Wind Energy Equipment
(Beijing) Co., Ltd.
Drafters of this standard. Sun Jialin, Guo Yan, Miao Yong, Deng Gang, Yan Lipeng, Fei Xuhua, Sui Hongxia, Wang Ruiming, Zhang Li, Chu Jingchun,
Wu Hailie, Su Liying, Guo Liang, Li Zongyuan, Du Yuntao, Fu Baoxin, Liu Qi, Pan Feng, Yue Hongxuan, Wang Yanhua, Xin Lifu, Wang Junjun,
Yang Tianshi, Sun Shaohua, Zhuang Jun, Zhou Tao, Chen Lijuan, Zhang Shuyang, Bai Xiaogang, Lu Dianshun, Gu Haitao.
The previous editions of the standard replaced by this standard are as follows.
Technical specification for main control system of offshore wind turbine
1 Scope
This standard specifies the relevant terms and definitions, technical requirements, and technical requirements for the main control system of offshore wind turbines (hereinafter referred to as. main control system)
Test methods, inspection rules, signs, labels, instructions for use, packaging, transportation, storage, etc.
This standard applies to the main control system of offshore wind turbines.
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 191 Packaging, Storage and Transportation Graphic Mark
GB/T 2423.1-2008 Environmental testing of electric and electronic products Part 1.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 4.Test method Test Db. Alternating damp heat (12h 12h cycle
ring)
GB/T 2423.16-2008 Environmental testing of electrical and electronic products Part 16.Test method Test J and guideline. Mold growth
GB/T 2423.18-2012 Environmental testing of electrical and electronic products Part 18.Test method Test Kb. Salt spray, alternating (sodium chloride
Solution)
GB/T 2423.101 "Environmental Testing of Electrical and Electronic Products Part 2.Test Method Test. Tilt and Sway"
GB/T 2900.18 Electrical terminology low-voltage electrical appliances
GB/T 2900.53 Electrical terminology wind turbine
GB/T 3783-2008 Basic requirements for marine low-voltage electrical appliances
GB/T 3797-2016 Electrical control equipment
GB 4208 enclosure protection class (IP code)
GB/T 5169.11-2006 Fire hazard test for electric and electronic products Part 11.Glow wire/hot wire basic test method
Hot wire flammability test method
GB/T 5169.21-2006 Fire hazard test for electric and electronic products Part 21.Abnormal hot bulb pressure test
GB 7251.1-2013 Low-voltage complete switchgear and control equipment Part 1.Type test and partial type test complete equipment
GB/T 9969 General Rules for the Use of Industrial Products
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 (impact) immunity test
GB/T 17626.6-2008 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 19069 Technical conditions of wind turbine controller
GB/T 19070 Test method for wind turbine controller
GB/T.19963-2011 Technical Regulations for Connecting Wind Farms to Power Systems
DL/T 31043-2019
GB/T 21407 Double-fed variable speed constant frequency wind turbine
GB/T 21714.1 Lightning Protection Part 1.General
GB/T 21714.4 Lightning protection. Part 4.Electrical and electronic systems in buildings
NB/T 31017-2018 Technical Specification for Main Control System of Wind Turbine
NB/T 31051-2017 Wind Turbine Generator Low Voltage Ride Through Capability Test Regulation
NB/T 31054-2017 Wind turbine grid adaptability test procedure
NB/T 31094-2016 Special offshore environmental conditions and technical requirements for wind power equipment
NB/T 31103-2016 Direct drive permanent magnet wind turbine main control system software function technical specification
NB/T 31111-2017 Wind Turbine Generator High Voltage Ride Through Test Regulation
GD 01-2006 Type Approval Test Guide for Electrical and Electronic Products
3 Terms and definitions
GB 7251.1-2013, GB/T 2900.18, GB/T 2900.53, GB/T 19069, GB/T 19070, GB/T 21407, NB/T
The following terms and definitions defined in 31017-2011 apply to this standard.
3.1
Twist
The wind turbine always yaws in the same direction under certain external conditions, causing the phenomenon of cable entanglement in the cabin.
3.2
Untwist
Under the condition of twisting the cable, the process of making the nacelle yaw in the reverse direction to untie the twisted cable.
3.3
Variable pitch
The process of adjusting the pitch angle.
4 Technical requirements
4.1 Conditions of use
4.1.1 Environmental conditions
Working environment temperature range. According to the relevant regulations of NB/T 31094.
4.1.2 Power supply
4.1.2.1 AC power
a) Range of power supply frequency. 47.5 Hz～51.5 Hz.
b) Power supply voltage variation range. -10%～10% of the voltage rating.
c) Allowable fluctuation range of the power supply voltage. -15% to 10% of the rated voltage.
d) The unbalance degree of the power supply should meet the provisions of Chapter 4 of GB/T 15543-2008 and work normally within its range.
e) The power supply waveform is sine wave, and the harmonic content is less than 5%.
4.1.2.2 DC power supply
a) The allowable deviation of the power supply voltage is -10%～10%.
b) The power supply voltage ripple coefficient is not more than 5%.
4.1.3 Other conditions of use
When the conditions of use cannot meet the above conditions of use, the user and the supplier are required to reach a written additional agreement, and set up separately according to user requirements.
meter.
4.2 Test conditions
a) Test temperature. 15℃～35℃;
b) Relative humidity. ≤ 90% (below 20 ℃)
c) Atmospheric pressure. 86kPa～106kPa.
4.3 General requirements
4.3.1 Cabinet
4.3.1.1 The cabinet adopts steel anti-corrosion design, and the protection level is not less than IP54.
4.3.1.2 The cabinet is provided with a public grounding point. All parts of the cabinet shall be well electrically connected to the public grounding point, and electric shock prevention measures shall be provided.
The protective grounding is complete.
4.3.1.3 A dehumidification device should be installed inside the cabinet.
4.3.1.4 The cabinet design should meet the installation and maintenance requirements in the tower and engine room, and be easy to install, debug and maintain.
4.3.1.5 The installation process of the buttons, switches, screens, signals and alarm devices of the cabinet, as well as the way of entering and exiting the cabinet shall be consistent with that of the cabinet.
The protection level matches.
4.3.1.6 The structure of the cabinet is firm, and the electrical wiring in the cabinet can be plug-ins, connecting wires, terminal blocks, etc., which can withstand electricity and
The influence of heat, mechanical strength and vibration on equipment.
4.3.1.7 The operating device is installed in a position that is easy for the operator to operate, and the emergency stop button should be placed in the most conspicuous and easy-to-operate position of the cabinet.
The button itself should be equipped with a protective cover.
4.3.1.8 The surface of the cabinet body should be smooth and free of unevenness. The paint layer should be beautiful and the color should be uniform. There should be no blistering, cracks and flow marks.
The cabinet door should be able to open and close flexibly at an angle of not less than 90 ゜, and the top of the cabinet should be equipped with a lifting ring.
4.3.1.9 The structure of the cabinet should be simple and open, easy to reach, and the corrosive surface design should be as smooth as possible. Any necessary reinforcement,
Joints and pipes should be arranged as far as possible in places with low corrosion risk, and hollow parts that are difficult to maintain should be welded firmly. Other exposed
The metal in the gas should be protected by plating, generally it is better to use electroplating;
4.3.2 Components
DL/T 31043-2019
4.3.2.1 The main components used in the control cabinet shall have heat and humidity resistance, and their heat and humidity resistance shall comply with the standard GB/T 3783-2008 No.
Requirements specified in 7.1.1.2.The components that should be resistant to humidity and heat are. control module (PLC (programmable logic controller), IPC (engineering
Industrial control computer) and other IO modules), circuit breakers, contactors, relays, transformers, transformers, buttons, wires and cables, etc.
4.3.2.2 The internal control module of the cabinet should be powered by an isolated power supply.
4.3.2.3 After the welding of printed boards, plug-ins and other components, there is no phenomenon such as desoldering, virtual welding, loose components or loose fasteners.
4.3.2.4 All solid insulating parts except ceramic materials should have heat resistance, that is, after the parts are subjected to heat resistance test, the indentation spans the largest
The size is not more than 2mm.
4.3.2.5 All solid insulating parts except ceramic materials shall have flame resistance, that is, after the parts have undergone the glow wire test (or needle flame test)
No combustion, or even if ignition occurs, the combustion and heat can be completely extinguished within 30s after the glow wire (or needle flame) is removed, and the indication that the silk paper does not
Ignite. At the same time, all plastic parts should also have flame retardancy, that is, after the flame retardance test, the length of the burned or damaged part of these parts is not large
At 60mm.
4.3.2.6 All components should be installed in accordance with the manufacturer's instructions and comply with the requirements of their respective standards.
4.3.3 Electrical connection
4.3.3.1 The grounding of the cabinet shall be treated with corrosion protection.
4.3.3.2 All exposed conductors, connectors, and terminal blocks shall be treated with corresponding anti-corrosion and moisture-proof treatment.
4.3.3.3 All exposed circuit boards and solder joints shall be treated with corresponding anti-corrosion and moisture-proof treatment.
4.3.3.4 The end of the connecting wire is marked with a loop label, which is clear, firm, complete, and non-marking. Symbols are required for different functional plug-ins
To be distinguished, the plug-in should be supported by a guide rail and be able to be fixed firmly, and all the connection points should ensure reliable electrical contact and convenient plugging and unplugging.
4.3.3.5 The wiring inside the cabinet shall meet the requirements specified in Article 6.7 of the standard GB/T 3797-2016.
4.3.3.6 The wiring process and electrical connection in the cabinet should consider the influence of corrosion and condensation on the insulation surface on the creepage distance, and the impact of high humidity on the air
The influence of the air insulation gap.
4.3.3.7 When multi-core cables are used in AC systems, magnetic materials should not be used for shielding.
4.3.3.8 When single-core cables need to be connected in parallel, the type, length, and end technology of the parallel cables should be the same.
4.3.3.9 Permanent anticorrosive non-magnetic clamps and brackets should be used for fixed cables.
4.3.3.10 Shielded cables or cables in metal pipes, shielded nets or metal pipes should be equipotentially connected, and should be equipotentially grounded.
4.3.4 Installation
4.3.4.1 The control cabinet should be installed with a shock-absorbing structure.
4.3.4.2 The inlet and outlet wires of the control cabinet shall be installed in accordance with the design requirements of the cabinet to ensure the corresponding protection level of the cabinet.
4.3.4.3 The incoming and outgoing wires of the control cabinet should be firmly fixed, and the shield end of the shielded wire and the pipe end of the cable sleeve should be reliably grounded.
4.4 Functional requirements
4.4.1 Signal acquisition and processing
The system should provide relevant data information collection and processing functions involved in control and fault monitoring, such as.
a) Environmental parameters. wind speed, wind direction, temperature, humidity;
b) Mechanical parameters. wind wheel speed, generator speed, yaw position, yaw speed, torsion cable angle, pitch angle, pitch speed
Temperature, hydraulic system pressure, oil level, vibration acceleration, temperature (generator stator, bearing, gear box, etc.);
c) Electrical parameters. voltage, current, frequency, power, power factor, power generation, UPS status.
The main control system should have the collection and processing functions of the following parameters.
d) Hydrological parameters. wave height, ocean current speed, freezing, etc.;
e) Other parameters. smoke, insulation, etc.
The system should be able to output physical quantities that accurately reflect the state of the monitored unit according to reasonable safety algorithms, and improve the overall reliability of the system;
The collection method and accuracy should meet the requirements of wind turbine design requirements.
4.4.2 Information (human-computer interaction, fault, monitoring)
4.4.2.1 Data monitoring information
The main control system can collect or generate the following data information, and the main control system should be able to provide a data communication interface to satisfy the central monitoring
The monitoring requirements of the system or other monitoring equipment.
At least the following data should be provided.
a) Wind speed, wind direction, wind wheel speed, generator speed, nacelle position, yaw position, twisted cable angle, pitch angle;
b) The current status of the unit (standby, grid connection, shutdown, etc.);
c) Hydraulic system pressure, engine room vibration, engine room temperature and humidity, generator temperature, gear box oil temperature (optional), etc.;
d) Pitch system status, converter system status, UPS status, other actuators and sensor status;
e) Power grid and generator terminal electrical parameters (three-phase voltage, three-phase current, active power, reactive power, power factor, frequency
Rate, power generation, etc.).
f) Encoder signal, main bearing signal, fuse signal, arrester signal, safety chain signal, control cabinet smoke alarm.
4.4.2.2 Fault record
The main control system shall be able to automatically record the specified recent fault information in the storage area of the local controller, and the retention time shall not be less than 6 months.
The resolution accuracy should be at least 100 ms in order to reproduce and analyze the fault afterwards.
4.4.2.3 Recalling the accident
Record the related quantities of various accidents for a short period of time, and save this record when an accident occurs. Accident recall record
The length and sampling interval of the two periods before and after the accident should be adjustable. Generally, the sampling frequency of recalling and recording accidents is not less than 1 time per second,
The recording time is not less than 120s, including. not less than 60s before the accident and not less than 30s after the accident.
4.4.2.4 Automatic clock correction
The main control system has a time calibration function, which regularly reads the network standard clock source to calibrate the controller time to ensure that all the power generation system
The device clocks are consistent.
4.4.3 Human-computer interaction
4.4.3.1 The main control system should be equipped with a man-machine interface, and the unit control, unit status and parameter information can be browsed according to different user rights.
Operations such as viewing, parameter setting and modification.
4.4.3.2 The controllable functions of the man-machine interface shall include. manual start and stop, yaw control, etc.
4.4.3.3 The status information that can be displayed on the man-machine interface should include. system status, hydraulic status, yaw status, wind status, temperature, humidity,
Variable pitch status, I/O port status, vibration sensor status, speed status, power grid status, lubrication status, activated status code information, etc.
4.4.3.4 The engine room control cabinet should have a debugging interface.
4.4.4 Protection and safety
4.4.4.1 Fault protection
The system should be able to form a number of status codes that can reflect the operation failure of the unit according to the sensor collection and the operation requirements of the wind turbine.
The code should be able to locate fault information accurately, prevent misoperation, and be easy to maintain. When any one of the status codes is activated, the main control system shall be able to
According to the status code attribute, the corresponding alarm or shutdown operation can be accurately made.
4.4.4.2 Communication watchdog
The main control system should be able to monitor the communication status between itself and each subsystem in real time, and form corresponding status codes in time when the communication is abnormal.
According to the shutdown program level corresponding to the status code, the alarm or shutdown process is executed.
4.4.4.3 Monitoring of key equipment
For key equipment such as generator rotor, generator stator, generator bearing, gearbox bearing (optional), anemometer, wind direction
The main control system should monitor its correctness according to its characteristics to ensure that every physical quantity participating in the control can truly reflect the monitored device.
The status of the device.
4.4.4.4 Protection function
The main control system should have at least the following protection functions.
-Overcurrent protection;
-Lack of phase protection;
-Phase sequence error protection;
-Grid voltage unbalance protection;
-Ground fault protection;
-Cooling system failure protection;
-Hydraulic system failure protection;
-Over temperature protection;
-Over humidity protection;
-Generator under, over speed, stall protection;
-Over/under voltage protection;
-Communication failure alarm;
-S...
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