CN113279908A - Movable damper system suitable for offshore wind turbine generator and working method - Google Patents
Movable damper system suitable for offshore wind turbine generator and working method Download PDFInfo
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- CN113279908A CN113279908A CN202110580027.2A CN202110580027A CN113279908A CN 113279908 A CN113279908 A CN 113279908A CN 202110580027 A CN202110580027 A CN 202110580027A CN 113279908 A CN113279908 A CN 113279908A
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- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 54
- 230000000694 effects Effects 0.000 abstract description 6
- 238000013016 damping Methods 0.000 abstract description 4
- 230000009467 reduction Effects 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 3
- 238000010248 power generation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000004044 response Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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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
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/0296—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor to prevent, counteract or reduce noise emissions
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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
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/22—Foundations specially adapted for wind motors
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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
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
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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
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/0204—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor for orientation in relation to wind direction
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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
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/04—Automatic control; Regulation
- F03D7/042—Automatic control; Regulation by means of an electrical or electronic controller
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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
-
- 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
- Y02E10/727—Offshore wind turbines
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- Engineering & Computer Science (AREA)
- 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
A movable damper system suitable for an offshore wind turbine and a working method belong to the technical field of wind resistance and earthquake resistance of ocean engineering structures. In order to control the vibration of the offshore wind turbine generator structure in the downwind direction and the crosswind direction, a passive tuned mass damper is respectively arranged on the jacket base platform in the downwind direction and the crosswind direction. And the electric control system is connected into a yaw system of the fan unit, acquires yaw control signals in real time, and starts the driving mechanism and the electromagnetic brake mechanism to enable the damper to move to a specified position along the double-annular track so as to complete active adjustment of the damper. The system can change the position of the passive tuned mass damper according to the wind direction to realize the best vibration reduction effect. The invention is suitable for a fixed offshore wind turbine generator system with limited space and needing vibration damping control by changing the position of the passive tuned mass damper according to the wind direction; the space of the jacket platform is fully utilized, and the automation degree and the operation safety are improved.
Description
Technical Field
A movable damper system suitable for an offshore wind turbine and a working method belong to the technical field of wind resistance and earthquake resistance of ocean engineering structures.
Background
Offshore wind energy is used as a clean renewable energy source, and has profound significance for improving the structure of an energy system and protecting the ecological environment. At present, the construction trend of offshore wind power plants gradually tends to select wind power generation sets with ultra-large sizes and ultra-high power, which means that the wind power generation sets need to be arranged in deep and open sea areas with more excellent wind field conditions, so that the environmental conditions of the offshore wind power generation sets are more complicated, and higher requirements are provided for the safe design and normal operation of the offshore wind power generation sets. Wind load is used as main external load in the operation period, fatigue damage generated by the wind load is a main influence factor of the safety of the whole structure, and meanwhile, the influence of random loads such as waves, earthquakes and the like cannot be ignored. Therefore, how to ensure the safety of the offshore wind turbine structure under the random load action of wind, waves, earthquakes and the like becomes a key technical problem. At present, the economy of offshore wind power generation sets is greatly reduced by improving the structural safety through singly increasing the structural rigidity, and the technical development of offshore wind power is limited, so that a passive tuned mass damper is required to be introduced to reduce the structural response and improve the economy of offshore wind energy resource development. In consideration of the structural form of the offshore wind turbine, the passive tuned mass damper is arranged in the nacelle of the wind turbine and cannot reduce the motion response of high-order modal control. It is noted that when the wind direction changes, the offshore wind turbine will start the yaw control strategy, so that the main shaft direction changes, and at this time the damping effect of the passive tuned mass damper arranged in a certain direction will be weakened. At the present stage, the passive tuned mass damper arranged along the tower drum of the fan unit cannot be actively adjusted along with the change of the wind direction in the arrangement direction.
Disclosure of Invention
Aiming at the defects of the prior art, the movable passive tuned mass damper system is provided, the optimal vibration damping effect can be realized by changing the position of the passive tuned mass damper according to the wind direction change, and the movable passive tuned mass damper system also has the advantages of simple structural form, easiness in arrangement, strong installation and stability and the like.
The technical scheme adopted by the invention is as follows: a movable damper system suitable for an offshore wind turbine is characterized in that chords are arranged on piles below a mud surface in the offshore wind turbine, mud braces are arranged on the lower portions of adjacent chords at the mud surface, and the middles of other adjacent chords are reinforced through X-shaped inclined braces; the top of the chord is provided with a jacket foundation platform, and railings are arranged around the jacket foundation platform; a main cylinder is fixed on the jacket foundation platform, and an upper inclined strut is arranged between the main cylinder and the jacket foundation platform; a tower drum is arranged on the main cylinder body and supports the upper fan; a yaw system and an electric control system are arranged in the jacket foundation platform;
the jacket foundation platform is provided with a double-annular track, the double-annular track is provided with two passive tuned mass dampers which have the same structure and are arranged at an angle of 90 degrees with each other, the passive tuned mass dampers are positioned in the windward direction and are passive tuned mass downwind dampers, and the other passive tuned mass damper is positioned in the windward direction and is a passive tuned mass crosswind damper;
the passive tuned mass damper is characterized in that a damper main body is arranged above a vehicle frame, a mass block and a mass adjusting disc are arranged on the inner side of the damper main body, an upper cover is arranged at the top of the damper main body, a spring is arranged between the mass block and the damper main body, one end of the spring abuts against the side surface of the mass block, the other end of the spring is limited in a spring pit on the inner side of the damper main body, four sliding columns are arranged at the bottom of the mass block, the upper ends of the sliding columns are connected with the mass block, the lower end ball heads of the sliding columns are in contact with the upper surface of the vehicle frame, and limiting plates are arranged on the peripheries of the lower end ball heads;
a driving wheel set driven by a driving mechanism and a braking wheel set braked by an electromagnetic braking mechanism are arranged below the frame, the electromagnetic braking mechanism is in a braking state when not electrified, a brake pad is loosened after the electrification, and the driving wheel set is driven by the driving mechanism to enable the passive tuned mass damper to move along a double-annular track;
and the electric control system is electrically connected with the driving mechanism, the electromagnetic type brake mechanism and the yaw system.
The working method of the movable damper system suitable for the offshore wind turbine comprises the following steps:
s1, on an xy coordinate system of the double annular rails, a passive tuned mass downwind damper is arranged at the intersection point of the x axis and the double annular rails, and a passive tuned mass crosswind damper is arranged at the intersection point of the y axis and the double annular rails;
s2, when the wind direction changes, the electronic control system measures the incoming wind direction through the yaw system, the xy coordinate system changes into an x1y1 or x2y2 coordinate system, and the incoming wind direction is the x1 or x2 axis direction;
s3, when the rotation angle from the x axis to the x1 axis is anticlockwise, the electric control system enables the electromagnetic type brake mechanism (17), simultaneously starts the driving mechanism to enable the passive tuned mass downwind damper to move to the x1 axis along the double-ring-shaped track in the anticlockwise direction, simultaneously enables the passive tuned mass crosswind damper to move to the y1 axis along the double-ring-shaped track in the anticlockwise direction, and closes the driving mechanism and closes the electromagnetic type brake mechanism to lock the passive tuned mass damper;
and S4, when the rotation angle from the x axis to the x2 axis is clockwise, the electric control system opens the electromagnetic brake mechanism, simultaneously starts the driving mechanism to move the passive tuned mass downwind damper to the x2 axis along the double-ring-shaped track in the clockwise direction, simultaneously moves the passive tuned mass crosswind damper to the y2 axis along the double-ring-shaped track in the clockwise direction, and closes the driving mechanism and closes the electromagnetic brake mechanism to lock the passive tuned mass damper.
The invention is suitable for a fixed foundation ultra-large offshore wind turbine generator in deep and open sea, and the passive tuned mass damper is distributed at the position of a jacket foundation platform of the offshore wind turbine generator through the double annular rails; a double annular track at the jacket platform allows for clockwise or counterclockwise movement of the passive tuned mass damper. In order to control the vibration of the offshore wind turbine generator structure in the downwind direction and the crosswind direction, a passive tuned mass damper is respectively arranged on the jacket base platform in the downwind direction and the crosswind direction. The passive tuned mass damper is arranged on a double-annular track of the jacket foundation platform through a wheel set arranged at the bottom, a driving mechanism for driving a wheel set is arranged at the bottom of the damper, and an electromagnetic type brake mechanism is arranged at the brake wheel set. The electric control system can be connected to a yaw system of the fan unit, obtain yaw control signals in real time, and start the driving mechanism according to the signals so as to enable the passive tuned mass damper to move to a specified position along the double-annular track. And then closing the driving mechanism and the electromagnetic type brake mechanism to finish the active adjustment of the passive tuned mass damper.
The invention has the beneficial effects that: the position of the passive tuned mass damper can be changed according to the wind direction to realize the best vibration reduction effect. The space of the jacket platform is fully utilized, and the automation degree and the operation safety are improved. The invention is suitable for a fixed offshore wind turbine generator system with limited space and needing vibration reduction control by changing the position of the passive tuned mass damper according to the wind direction.
Drawings
FIG. 1 is a schematic view of a jacket based offshore wind power plant.
Fig. 2 is an arrangement of a mobile damper system suitable for use in an offshore wind turbine.
Figure 3 is a front view of the structure of a passively tuned mass damper.
Fig. 4 is a view a-a in fig. 3.
Fig. 5 is a view B-B in fig. 3.
Fig. 6 is a view C-C in fig. 3.
Fig. 7 is a schematic diagram of the operation of the electronic control system.
In the figure: 1. pile 2, mud brace 3, chord member 4, X-shaped diagonal brace 5, jacket foundation platform 6, railing 7, main cylinder 8, upper diagonal brace 9, tower cylinder 10, upper fan 11, double annular track,
12. the damper comprises a passive tuned mass downwind damper body, 12a, a passive tuned mass crosswind damper body, 13, a yaw system, 14, an electric control system, 15, a driving wheel set, 15a, a brake wheel set, 16, a driving mechanism, 17, an electromagnetic brake mechanism, 18, a mass block, 18a, a mass adjusting plate, 19, a spring, 20, a sliding column, 21, a frame, 22, a limiting plate, 23, a damper body, 23a and an upper cover.
Detailed Description
A movable passive tuned mass damper system suitable for a jacket-based offshore wind turbine is further described below with reference to the accompanying drawings.
Fig. 1 and 2 show a mobile damper system suitable for an offshore wind power generation set, in which a chord member 3 is arranged on a pile 1 below a mud surface, a mud brace 2 is arranged at the lower part of an adjacent chord member 3 at the mud surface, and the middle parts of other adjacent chord members 3 are reinforced by an X-shaped inclined brace 4; the top of the chord 3 is provided with a jacket foundation platform 5, and the periphery of the jacket foundation platform is provided with a railing 6; a main cylinder 7 is fixed on the jacket foundation platform 5, and an upper inclined strut 8 is arranged between the main cylinder and the jacket foundation platform; a tower 9 is arranged in the main cylinder body 7, and the tower 9 supports an upper fan 10. A yaw system 13 and an electric control system 14 are arranged in the jacket foundation platform 5. The jacket foundation platform 5 is provided with a double-ring-shaped track 11, the double-ring-shaped track 11 is provided with two passive tuned mass dampers which have the same structure and are arranged at an angle of 90 degrees with each other, the passive tuned mass dampers are positioned in the windward direction and are respectively a passive tuned mass downwind damper 12 and a passive tuned mass crosswind damper 12 a.
Fig. 3, 4, 5, 6, are block diagrams illustrating passive tuned mass dampers. In the figure, a passive tuned mass damper adopts that a damper main body 23 is arranged above a vehicle frame 21, a mass block 18 and mass adjusting disks 18a are arranged on the inner side of the damper main body 23, a plurality of mass adjusting disks 18a can be selected according to the total mass requirement and fixed on the mass block 18 by bolts, and an upper cover 23a is fixed at the top. A spring 19 is arranged between the mass block 18 and the damper main body 23, one end of the spring 19 is propped against the side surface of the mass block 18, the other end of the spring 19 is limited in a spring pit at the inner side of the damper main body 23, four sliding columns 20 are arranged at the bottom of the mass block 18, the upper ends of the sliding columns 20 are in threaded connection with the mass block 18, the lower end ball heads of the sliding columns 20 are in contact with the upper surface of the frame 21, and a limit plate 22 is arranged at the periphery of the lower end ball heads;
a driving wheel set 15 driven by a driving mechanism 16 and a braking wheel set 15a braked by an electromagnetic braking mechanism 17 are arranged below the frame 21, the electromagnetic braking mechanism 17 is in a braking state when not electrified, a brake pad is released after the electrification, and a motor of the driving mechanism 16 drives the wheel set 15 to enable the passive tuned mass damper to move along the double-ring-shaped track 11.
Fig. 7 shows a working principle diagram of the electronic control system. The electronic control system 14 is electrically connected with the driving mechanism 16, the electromagnetic brake mechanism 17 and the yaw system 13.
The working principle of the damper is as follows: when the mass block 18 in the damper is stressed and moves towards the direction of the backward force, the spring on the stressed side is expanded, and the spring on the non-stressed side is compressed, so that the vibration reduction effect is achieved. At the same time, the sliding column 20 disposed on the mass block 18 moves, and the bottom end of the sliding column 20 acts on the upper surface of the frame 21, so as to generate a damping effect due to friction. Meanwhile, the sliding column 20 is limited by the limiting plate 22 and can only move along a fixed direction.
The electric control system 14 is connected to a yaw system 13 of the offshore wind turbine generator set to acquire yaw control signals in real time. According to the real-time yaw control signal, the electric control system 14 starts the driving mechanism 16 to drive the passive tuned mass damper to move clockwise or counterclockwise along the double-annular track 11, and after the passive tuned mass damper 5 moves to a specified position, the electric control system 14 closes the driving mechanism 16 and the electromagnetic type braking mechanism 17 to lock the braking wheel set 15a and fix the passive tuned mass damper. The method specifically comprises the following steps:
s1, setting a coordinate system xy on the double annular track 11, and setting two passive tuned mass dampers; a passive tuned mass downwind damper 12 is arranged at the intersection point of the x axis and the double annular rails 11, and a passive tuned mass crosswind damper 12a is arranged at the intersection point of the y axis and the double annular rails 11;
s2, the electronic control system 14 measures the incoming wind direction through the yaw system 13, and sets a coordinate system x1y1, wherein the incoming wind direction is the x1 axis direction;
s3, if the included angle between the x1 axis and the x axis is positive, the electric control system 14 opens the electromagnetic brake mechanism 17, meanwhile, the driving mechanism 16 is started to move the passive tuned mass downwind damper 12 to the intersection point of the x1 axis and the double circular orbit along the double circular orbit 11 in the anticlockwise direction, the passive tuned mass crosswind damper 12a is moved to the intersection point of the y1 axis and the double circular orbit along the double circular orbit 11 in the anticlockwise direction, and the electric control system 14 closes the driving mechanism 16 and the brake electromagnetic brake mechanism 17 to lock the passive tuned mass damper;
and S4, if the included angle between the x1 axis and the x axis is negative, the electric control system 14 opens the electromagnetic brake mechanism 17, simultaneously starts the driving mechanism 16 to move the passive tuned mass downwind damper 12 to the intersection point of the x1 axis and the double circular orbit along the double circular orbit 11 in the clockwise direction, moves the passive tuned mass crosswind damper 12a to the intersection point of the y1 axis and the double circular orbit along the double circular orbit 11 in the clockwise direction, and closes the driving mechanism 16 and the electromagnetic brake mechanism 17 to lock the passive tuned mass damper by the electric control system 14.
Claims (2)
1. A movable damper system suitable for an offshore wind turbine is characterized in that chords (3) are arranged on piles (1) below a mud surface in the offshore wind turbine, mud braces (2) are arranged on the lower portions of adjacent chords (3) at the mud surface, and the middles of other adjacent chords (3) are reinforced through X-shaped inclined braces (4); the top of the chord (3) is provided with a jacket foundation platform (5), and the periphery of the jacket foundation platform is provided with a railing (6); a main cylinder body (7) is fixed on the jacket foundation platform (5), and an upper inclined strut (8) is arranged between the main cylinder body and the jacket foundation platform; a tower drum (9) is arranged on the main cylinder body (7), and the tower drum (9) supports an upper fan (10); a yaw system (13) and an electric control system (14) are arranged in the jacket foundation platform (5);
the method is characterized in that: a double-ring-shaped track (11) is arranged on the jacket foundation platform (5), two passive tuned mass dampers which are identical in structure and form a 90-degree angle with each other are arranged on the double-ring-shaped track (11), a passive tuned mass downwind damper (12) is arranged in the windward direction of the passive tuned mass dampers, and a passive tuned mass crosswind damper (12 a) is arranged in the other windward direction of the passive tuned mass dampers;
the passive tuned mass damper is characterized in that a damper main body (23) is arranged above a vehicle frame (21), a mass block (18) and a mass adjusting disc (18 a) are arranged on the inner side of the damper main body (23), an upper cover (23 a) is arranged at the top of the damper main body, a spring (19) is arranged between the mass block (18) and the damper main body (23), one end of the spring (19) is propped against the side surface of the mass block (18), the other end of the spring is limited in a spring pit on the inner side of the damper main body (23), four sliding columns (20) are arranged at the bottom of the mass block (18), the upper ends of the sliding columns (20) are connected with the mass block (18), the lower end ball heads of the sliding columns (20) are in contact with the upper surface of the vehicle frame (21), and limiting plates (22) are arranged on the periphery of the lower end ball heads;
a driving wheel set (15) driven by a driving mechanism (16) and a braking wheel set (15 a) braked by an electromagnetic braking mechanism (17) are arranged below the frame (21), the electromagnetic braking mechanism (17) is in a braking state when not electrified, a brake pad is released after the electrification, and the driving wheel set (15) is driven by the driving mechanism (16) to enable the passive tuned mass damper to move along the double-ring-shaped track (11);
the electric control system (14) is electrically connected with the driving mechanism (16), the electromagnetic type brake mechanism (17) and the yaw system (13).
2. The method of operating a mobile damper system for an offshore wind turbine as set forth in claim 1, comprising the steps of:
s1, on an xy coordinate system of the double-annular track (11), a passive tuned mass downwind damper (12) is arranged at the intersection point of the x axis and the double-annular track (11), and a passive tuned mass crosswind damper (12 a) is arranged at the intersection point of the y axis and the double-annular track (11);
s2, when the wind direction changes, the electronic control system (14) measures the incoming wind direction through the yaw system (13), the xy coordinate system is changed into an x1y1 or x2y2 coordinate system, and the incoming wind direction is the x1 or x2 axis direction;
s3, when the rotation angle from the x axis to the x1 axis is anticlockwise, the electric control system (14) opens the electromagnetic brake mechanism (17), meanwhile, the driving mechanism (16) is started to move the passive tuned mass downwind damper (12) to the x1 axis along the anticlockwise direction of the double-ring-shaped track (11), meanwhile, the passive tuned mass crosswind damper (12 a) is moved to the y1 axis along the anticlockwise direction of the double-ring-shaped track (11), and the electric control system (14) closes the driving mechanism (16) and closes the electromagnetic brake mechanism (17) to lock the passive tuned mass damper;
s4, when the rotation angle from the x axis to the x2 axis is clockwise, the electric control system (14) opens the electromagnetic brake mechanism (17), simultaneously starts the driving mechanism (16) to move the passive tuned mass downwind damper (12) to the x2 axis along the double circular track (11) in the clockwise direction, simultaneously moves the passive tuned mass crosswind damper (12 a) to the y2 axis along the double circular track (11) in the clockwise direction, and the electric control system (14) closes the driving mechanism (16) and closes the electromagnetic brake mechanism (17) to lock the passive tuned mass damper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202110580027.2A CN113279908B (en) | 2021-05-26 | 2021-05-26 | Mobile damper system suitable for offshore wind turbine generator and working method |
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| CN202110580027.2A CN113279908B (en) | 2021-05-26 | 2021-05-26 | Mobile damper system suitable for offshore wind turbine generator and working method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117345555A (en) * | 2023-11-09 | 2024-01-05 | 哈尔滨工程大学 | Intelligent damping vibration attenuation system for offshore wind power |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117345555A (en) * | 2023-11-09 | 2024-01-05 | 哈尔滨工程大学 | Intelligent damping vibration attenuation system for offshore wind power |
| CN117345555B (en) * | 2023-11-09 | 2024-03-19 | 哈尔滨工程大学 | Intelligent damping vibration attenuation system for offshore wind power |
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| CN113279908B (en) | 2024-08-16 |
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