CN110630436A - Over-standard control device for tile vibration transverse vibration acceleration in engine room of wind turbine generator and logic design method - Google Patents
Over-standard control device for tile vibration transverse vibration acceleration in engine room of wind turbine generator and logic design method Download PDFInfo
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- CN110630436A CN110630436A CN201910810792.1A CN201910810792A CN110630436A CN 110630436 A CN110630436 A CN 110630436A CN 201910810792 A CN201910810792 A CN 201910810792A CN 110630436 A CN110630436 A CN 110630436A
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- 230000001133 acceleration Effects 0.000 title claims abstract description 97
- 238000013461 design Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000012360 testing method Methods 0.000 claims abstract description 40
- 238000004891 communication Methods 0.000 claims abstract description 15
- 238000010248 power generation Methods 0.000 claims description 12
- 239000002002 slurry Substances 0.000 claims description 5
- 230000008569 process Effects 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 description 6
- 230000001960 triggered effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/334—Vibration measurements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a device for controlling the over-standard lateral vibration acceleration of tile vibration in a cabin of a wind turbine generator and a logic design method, belonging to the field of logic design of the wind turbine generator, and comprising a measuring point for detecting the lateral vibration acceleration of the tile vibration in the cabin of the wind turbine generator, a tile vibration lateral vibration acceleration prepositive device in the cabin of the wind turbine generator, a tile vibration lateral vibration acceleration judgment part in the cabin of the wind turbine generator, a test device of the device for controlling the lateral vibration acceleration of the tile vibration in the cabin of the wind turbine generator, a communication cable and an alternating current power supply; the measuring point is arranged in front of the tile vibration transverse vibration acceleration prepositioner according to the process, and the tile vibration transverse vibration acceleration judging component is arranged in the fan cabin control cabinet; the testing device is arranged below the tile vibration transverse vibration acceleration judging component, and the measuring point, the tile vibration transverse vibration acceleration prepositioner, the tile vibration transverse vibration acceleration judging component and the testing device are connected with an alternating current power supply through communication cables. The invention has wide applicability and is suitable for the wind power industry.
Description
Technical Field
The invention relates to a device for controlling the over-standard acceleration of tile vibration transverse vibration in a cabin of a wind turbine generator and a logic design method, and belongs to the field of logic design of wind turbines.
Background
In recent years, the annual growth rate of the global renewable energy utilization reaches 25%, the renewable energy utilization is dominated by the power industry, and the power generation proportion of non-hydraulic renewable energy is doubled. Statistically, the consumption of renewable energy in 2030 will exceed 22 hundred million t oil equivalents. Wind power generation is the most mature renewable energy power generation except for hydroelectric power generation, and the installed capacity of the wind power generation accounts for the vast majority of the total installed capacity of the whole renewable energy power generation.
The wind generating set comprises a wind wheel and a generator; the wind wheel comprises blades, a hub, a reinforcing member and the like; it has the functions of wind driven blade rotation to generate electricity, generator head rotation, etc. The wind power generation power supply comprises a wind generating set, a tower frame for supporting the generating set, a storage battery charging controller, an inverter, an unloader, a grid-connected controller, a storage battery pack and the like.
The monitoring of the wind turbine is in the development stage while the wind turbine with complex equipment is rapidly developed.
The wind power control system comprises a field wind generating set control unit, a high-speed annular redundant optical fiber Ethernet, a remote upper computer operator station and the like. The control unit of the on-site wind generating set is the core of each fan control, and the functions of parameter monitoring, automatic power generation control, equipment protection and the like of the set are realized; each wind generating set is provided with an on-site HMI (human machine interface) to realize on-site operation, debugging and maintenance of the set; the high-speed ring-shaped redundant optical fiber Ethernet is a data highway of the system and transmits real-time data of a unit to an interface of an upper computer; the upper computer operator station is the operation monitoring core of the wind power plant, has the functions of complete unit state monitoring, parameter alarming, real-time/historical data recording and displaying and the like, and realizes the operation monitoring and operation of all units of the wind power plant by an operator in a control room.
The field control station of the wind power control system comprises: the system comprises a tower base main controller cabinet, an engine room control station cabinet, a variable pitch system, a converter system, a field touch screen station, an Ethernet switch, a field bus communication network, a UPS power supply, an emergency shutdown backup system and the like.
1. Control station of tower base
A tower control station, namely a main controller cabinet, is the core of wind turbine equipment control and mainly comprises a controller, an I/O module and the like. The controller hardware adopts a 32-bit processor, the system software adopts a strong real-time operating system, and various complex main control logics for operating the unit are communicated with the cabin controller cabinet, the variable pitch system and the converter system in real time through a field bus so as to enable the unit to operate in the optimal state.
The configuration of the controller adopts configuration software with rich functions and friendly interfaces, and adopts configuration modes conforming to IEC61131-3 standards, including configuration modes such as a function diagram (FBD), an instruction List (LD), a sequential function block (SFC), a ladder diagram, a structured text and the like.
2. Cabin control station
The cabin control station collects signals such as temperature, pressure, rotating speed and environmental parameters measured by the unit sensor, the signals are communicated with the main unit control station through a field bus, the main controller controls the machine frame through the cabin to realize functions of yawing, cable releasing and the like of the unit, and in addition, various auxiliary motors, oil pumps and fans in the cabin are controlled to enable the unit to work in the best state.
3. Variable pitch system
The wind turbine generator set above the large MW level usually adopts a hydraulic pitch control system or an electric pitch control system. The pitch system is characterized in that a front-end controller controls a pitch driving device of 3 fan blades, the pitch driving device is an execution unit of a main controller, and CANOPEN is adopted to communicate with the main controller so as to adjust the pitch of the 3 blades to work in the optimal state. The variable pitch system is protected by a backup power system and a safety chain, and emergency shutdown under emergency working conditions is guaranteed.
4. Converter system
At present, a large-scale wind generating set generally adopts a high-power converter to realize conversion of power generation energy, and a converter system is communicated with a main controller through a field bus to realize regulation of the rotating speed, active power and reactive power of the set.
5. On-site touch screen station
The on-site touch screen station is an on-site operation station for unit monitoring, realizes functions of on-site parameter setting, equipment debugging, maintenance and the like of the wind turbine unit, and is an on-site upper computer operator station of a unit control system.
6. Ethernet exchanger (HUB)
The system adopts an industrial Ethernet switch to realize the connection of the controller, the field touch screen and the remote control center network of a single unit. The field cabinet is connected with the upper computer in the remote control room by a common twisted pair cable.
7. On-site communication network
The main controller has various field bus interfaces such as CANOPEN, PROFIBUS, MODBUS, Ethernet and the like, and can be configured according to the actual requirements of projects.
8. UPS power supply
The UPS is used for ensuring that the unit control system, the emergency protection system and the related execution unit supply power under the condition that the external power supply of the system is cut off.
The safety and reliability of the control system of the wind generating set are related to whether the wind generating set can generate power normally or not, and even affect the long-term safe and reliable operation of the wind power plant. The large-scale wind generating set adopts necessary means through the safety design of the control system, improves the reliability of the control system as much as possible, ensures that the system has no fault or few faults as much as possible, and repairs the system at the fastest speed after the fault occurs, so that the system can be recovered to work normally.
The wind turbine generator system is huge in equipment, complex in structure, various in potential safety hazard, and various in potential safety hazard reasons, and accidents such as tower collapse of the wind turbine generator system and the like caused by over-standard tile vibration acceleration in a wind turbine generator system cabin occur for a plurality of times in recent years, so that an over-standard tile vibration acceleration control device and a logic design method for the wind turbine generator system cabin are urgently needed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a reasonably designed control device for the over-standard acceleration of the tile vibration in the cabin of the wind turbine generator and a logic design method.
The technical scheme adopted by the invention for solving the problems is as follows: a control device for the over-standard lateral vibration acceleration of tile vibration in a cabin of a wind turbine generator is characterized by comprising a measuring point for detecting the lateral vibration acceleration of the tile vibration in the cabin of the wind turbine generator, a tile vibration lateral vibration acceleration pre-positioner in the cabin of the wind turbine generator, a tile vibration lateral vibration acceleration judgment component in the cabin of the wind turbine generator, a test device of the control device for the tile vibration lateral vibration acceleration in the cabin of the wind turbine generator, a communication cable and an alternating current power supply; the measuring point is arranged in front of the tile vibration transverse vibration acceleration prepositioner according to the flow, and the tile vibration transverse vibration acceleration judging component is arranged in the fan cabin control cabinet and is arranged in a row with other fan control cabinets; the testing device is arranged below the tile vibration transverse vibration acceleration judging component and used for receiving data input by the measuring point and the tile vibration transverse vibration acceleration prepositioner, and the measuring point, the tile vibration transverse vibration acceleration prepositioner, the tile vibration transverse vibration acceleration judging component and the testing device are connected with an alternating current power supply through communication cables.
Furthermore, the communication cable is in a soft-wired and hard-wired redundant design, so that the protection is more reliable.
Furthermore, the test device is designed in a cabin control cabinet of the wind turbine generator, the control loop is short, and the protection response is rapid.
Further, the invention provides a method for controlling vibration protection in advance by using the velocity as a feedforward.
Furthermore, when the wind turbine generator is abnormal in operation, the wind turbine generator control system cannot control the vibration operation of the wind turbine generator within a normal range, and in order to prevent damage to the wind turbine generator, the tile vibration transverse vibration acceleration standard exceeding control device in the cabin of the wind turbine generator enables the front-mounted slurry straightening protection or tripping of the wind turbine generator (the wind turbine generator quickly straightens slurry).
Furthermore, the function of the over-standard control device for the lateral vibration acceleration of the bearing vibration in the cabin of the wind turbine generator system is to monitor the bearing vibration and the change rate parameters in the cabin of the wind turbine generator system, and when the parameters exceed the operation limit values, the system can provide the following functions:
1) and under a dangerous working state, providing tripping logic for the wind turbine generator.
2) And under a dangerous working state, providing a feathering logic for the wind turbine generator.
3) When the starting condition of the wind turbine generator is determined, the wind turbine generator is manually reset in the centralized control room.
A logic design method of a tile vibration transverse vibration acceleration superstandard control device in a wind turbine generator system cabin is characterized by comprising the following steps:
1. the measuring point detects a signal of the tile vibration transverse vibration acceleration in the engine room and transmits the signal to the tile vibration transverse vibration acceleration prepositioner;
2. the tile vibration transverse vibration acceleration prepositioner transmits a signal to a tile vibration transverse vibration acceleration judging component through a communication cable;
3. the tile vibration transverse vibration acceleration judging component judges the same measuring point in the measuring points to be true through a two-out-of-three judging signal;
4. when the tile vibration transverse vibration acceleration judging component receives a high value 1 of tile vibration transverse vibration acceleration in the engine room, an automatic slurry receiving command is sent out to act on a variable pitch system; when the tile vibration transverse vibration acceleration judging component receives the high 2 value of the tile vibration transverse vibration acceleration in the engine room or the tile vibration transverse vibration acceleration in the engine room reaches the vibration module fixed value of the safety chain, a logic outlet is triggered, and the logic outlet is as follows: a. b, quickly feathering three blades of the wind turbine generator to 90-degree positions, tripping a generator of the wind turbine generator to separate from a power grid, and yawing the wind turbine generator to the wind direction;
5. and when the fault signal in the measuring point is reset, the wind turbine generator can be started again to be connected to the grid for power generation.
The over-standard control device for the tile vibration transverse vibration acceleration in the wind turbine generator cabin tests whether the performance of the over-standard control device for the tile vibration transverse vibration acceleration in the wind turbine generator cabin is in a good standby state through the test device. The test device adopts a double-channel design (when the switch is turned to a test position 1, only a test 1 channel is communicated, when the switch is turned to a test position 2, only a test 2 channel is communicated, when the switch is turned to a normal position, the two channels are communicated, and a logic outlet can be triggered when the two channels are communicated), so that the important signal is allowed to be tested on line. Before testing, the test switch is turned to a test position, fault signals (analog signals) in the measuring points are triggered step by step, and the signal lamps in the tile vibration transverse vibration acceleration judging component are verified to be on. After the test, the fault signals (virtual signals) in all the measuring points are reset, the logic outlet is reset, and the test switch is turned to a normal position.
The test device performs one test every year, and the normal action of the over-standard control device of the tile vibration transverse vibration acceleration in the cabin of the wind turbine generator is ensured.
Compared with the prior art, the invention has the following advantages and effects:
1. the method is high in practicability, suitable for being used in the wind power industry, has operability, and is a good method proved by practice.
2. The method has scientificity, and can meet the requirement of protecting the wind turbine generator in case of danger.
3. Has the advantages of high sensitivity, visual and vivid result and the like.
4. The comparability is strong.
5. Has wide applicability.
Drawings
FIG. 1 is a schematic structural diagram of a device for controlling the overproof lateral vibration acceleration of the tile vibration in the cabin of the wind turbine generator system according to the embodiment of the invention.
In the figure: the device comprises a measuring point 1, a tile vibration transverse vibration acceleration prepositioner 2, a tile vibration transverse vibration acceleration judging component 3, a testing device 4, a communication cable 5 and an alternating current power supply 6.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
Referring to fig. 1, the control device for the overproof lateral vibration acceleration of the tile vibration in the wind turbine generator system cabin in the embodiment comprises a measuring point 1 for detecting the lateral vibration acceleration of the tile vibration in the wind turbine generator system cabin, a tile vibration lateral vibration acceleration pre-positioning device 2 in the wind turbine generator system cabin, a tile vibration lateral vibration acceleration judgment part 3 in the wind turbine generator system cabin, a test device 4 of the control device for the tile vibration lateral vibration acceleration in the wind turbine generator system cabin, a communication cable 5 and an alternating current power supply 6; the measuring point 1 is arranged in front of the tile vibration transverse vibration acceleration prepositioner 2 according to the flow, and the tile vibration transverse vibration acceleration judging component 3 is arranged in the fan cabin control cabinet and is distributed in a row with other fan control cabinets; the testing device 4 is arranged below the tile vibration transverse vibration acceleration judging component 3 and used for receiving data input by the measuring point 1 and the tile vibration transverse vibration acceleration front-mounted device 2, and the measuring point 1, the tile vibration transverse vibration acceleration front-mounted device 2, the tile vibration transverse vibration acceleration judging component 3 and the testing device 4 are connected with an alternating current power supply 6 through a communication cable 5.
The logic design method of the wind turbine generator system cabin inner tile vibration transverse vibration acceleration superstandard control device in the embodiment comprises the following steps:
1. the measuring point 1 detects a signal of the tile vibration transverse vibration acceleration in the engine room and transmits the signal to the tile vibration transverse vibration acceleration prepositioner 2;
2. the pad vibration transverse vibration acceleration pre-processor 2 transmits signals to a pad vibration transverse vibration acceleration judgment component 3 through a communication cable 5;
3. the tile vibration transverse vibration acceleration judging component 3 judges a signal to be true from the same measuring point in the measuring point 1 by taking two out of three;
4. when the tile vibration transverse vibration acceleration judging component 3 receives the high value 1 of the tile vibration transverse vibration acceleration in the engine room, an automatic slurry collecting command is sent out to act on a variable pitch system; when tile shakes transverse vibration acceleration decision unit 3 receives the high 2 value of the lateral vibration acceleration of tile shake in the cabin or the lateral vibration acceleration of tile shake in the cabin reaches the vibration module fixed value of safety chain, trigger the logic export, the logic export is:
a. blades (three) of the wind turbine generator set are quickly feathered to 90-degree positions;
b. meanwhile, the generator of the wind turbine generator trips to be separated from the power grid;
c. meanwhile, the wind turbine generator drifts to the opposite wind direction;
5. and when the fault signal in the measuring point 1 is reset, the wind turbine generator is started again to be connected to the grid for power generation.
In the test process:
(1) whether the performance of the tile vibration transverse vibration acceleration superstandard control device in the cabin of the wind turbine generator is in a good standby state is tested through the test device 4.
(2) The control device for the over-standard lateral vibration acceleration of the tile vibration in the cabin of the wind turbine generator system applies a dual-channel design (when a switch is turned to a test position 1, only a test 1 channel is communicated, when the switch is turned to a test position 2, only a test 2 channel is communicated, when the switch is turned to a normal position, the two channels are communicated, and a logic outlet can be triggered when the two channels are communicated).
(3) The control device for the over-standard acceleration of the tile vibration in the cabin of the wind turbine generator system allows an important signal to be tested on line.
(4) Press the "enter test" function key.
(5) Press the "ok" key and enter the test.
(6) The function key to be tested is pressed.
(7) Pressing either "channel 1" or "channel 2" selects the test channel.
(8) High 1 value 1.5m/s of lateral vibration acceleration of tile vibration in engine room in trigger measuring point 12(analog signal).
(9) And a signal lamp for judging that the impeller overspeed is higher than 1 value in the tile vibration transverse vibration acceleration judging part 3 is on.
(10) After the test, the high 1 value of the transverse vibration acceleration of the vibration of the cabin inner tile in the measuring point 1 is 1.5m/s2The signal (virtual signal) is restored.
(11) The test was completed.
(12) The test switch is turned to the "normal" position.
The test procedure is ended.
Although the present invention has been described with reference to the above embodiments, it should be understood that the scope of the present invention is not limited thereto, and that various changes and modifications can be made by those skilled in the art without departing from the spirit and scope of the present invention.
Claims (2)
1. The overproof control device for the tile vibration transverse vibration acceleration in the cabin of the wind turbine generator is characterized by comprising a measuring point (1) for detecting the tile vibration transverse vibration acceleration in the cabin of the wind turbine generator, a tile vibration transverse vibration acceleration pre-positioner (2) in the cabin of the wind turbine generator, a tile vibration transverse vibration acceleration judgment component (3) in the cabin of the wind turbine generator, a test device (4) of the tile vibration transverse vibration acceleration control device in the cabin of the wind turbine generator, a communication cable (5) and an alternating current power supply (6); the measuring point (1) is arranged in front of the tile vibration transverse vibration acceleration prepositioner (2), and the tile vibration transverse vibration acceleration judging component (3) is arranged in a fan cabin control cabinet; the testing device (4) is arranged below the tile vibration transverse vibration acceleration judging component (3) and used for receiving data input by the measuring point (1) and the tile vibration transverse vibration acceleration prepositioner (2), and the measuring point (1), the tile vibration transverse vibration acceleration prepositioner (2), the tile vibration transverse vibration acceleration judging component (3) and the testing device (4) are connected with an alternating current power supply (6) through a communication cable (5).
2. The logic design method of the over-standard control device for the lateral vibration acceleration of the tile vibration in the cabin of the wind turbine generator set according to claim 1 is characterized by comprising the following steps of:
1. the measuring point (1) detects a signal of the tile vibration transverse vibration acceleration in the engine room and transmits the signal to the tile vibration transverse vibration acceleration prepositioner (2);
2. the tile vibration transverse vibration acceleration pre-positioning device (2) transmits a signal to a tile vibration transverse vibration acceleration judgment component (3) through a communication cable (5);
3. the tile vibration transverse vibration acceleration judging component (3) judges a signal of the same measuring point in the measuring points (1) to be true through taking two out of three;
4. when the tile vibration transverse vibration acceleration judgment part (3) receives the high value 1 of the tile vibration transverse vibration acceleration in the engine room, an automatic slurry collection command is sent out to act on a variable pitch system; when tile shakes transverse vibration acceleration and judges that part (3) receives the high 2 value of the lateral vibration acceleration of tile vibration in the cabin or the lateral vibration acceleration of tile vibration in the cabin reaches the vibration module definite value of safety chain, triggers the logic export, and the logic export is: a. b, quickly feathering the blades of the wind turbine generator to a 90-degree position, tripping a generator of the wind turbine generator to separate from a power grid, and yawing the wind turbine generator to the wind direction;
5. and when the fault signal in the measuring point (1) is reset, the wind turbine generator is started again to be connected to the grid for power generation.
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| CN201910810792.1A CN110630436A (en) | 2019-08-29 | 2019-08-29 | Over-standard control device for tile vibration transverse vibration acceleration in engine room of wind turbine generator and logic design method |
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Cited By (1)
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Application publication date: 20191231 |