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CN-117028155-B - Floating type fan floating body, wind generating set and control method

CN117028155BCN 117028155 BCN117028155 BCN 117028155BCN-117028155-B

Abstract

The invention relates to a floating type fan floating body, a wind generating set and a control method, wherein the floating type fan floating body comprises a main upright post, a first connecting body and auxiliary upright posts, the main upright post is used for supporting a tower, a plurality of first connecting bodies are arranged at intervals in the circumferential direction of the main upright post and are respectively connected with the main upright post, the auxiliary upright posts are distributed at intervals in the circumferential direction, one end of each first connecting body, which is far away from the main upright post, is connected with the auxiliary upright posts, the auxiliary upright posts are provided with a first static cavity and a first dynamic cavity which are independently arranged, a first medium is arranged in the first static cavity in a sealing manner, a first opening communicated with the first dynamic cavity and a first control valve are arranged on the auxiliary upright posts, and the first control valve controls the opening and closing of the first opening so as to adjust the volume of seawater entering the first dynamic cavity. The floating type fan floating body, the wind generating set and the control method provided by the embodiment of the invention have the advantages of high response speed and good stabilizing effect.

Inventors

  • ZHAI ENDI
  • GAO YANG
  • DU XIN
  • SONG BAOHUA

Assignees

  • 金风科技股份有限公司
  • 北京金风科创风电设备有限公司

Dates

Publication Date
20260512
Application Date
20230629

Claims (17)

  1. 1. A floating wind turbine floating body capable of being disposed in sea water and for supporting a tower, the floating wind turbine floating body comprising: A main column for supporting the tower; The first connecting bodies are arranged at intervals in the circumferential direction of the main upright post and are respectively connected with the main upright post; The auxiliary upright posts are arranged in a plurality and are distributed at intervals in the circumferential direction, and one end of each first connecting body, which is away from the main upright post, is connected with the auxiliary upright post; the auxiliary upright post is provided with a first static chamber and a first dynamic chamber which are independently arranged, a first medium is sealed in the first static chamber, a first opening and a first control valve which are communicated with the first dynamic chamber are arranged on the auxiliary upright post, the first control valve controls the opening and closing of the first opening so as to adjust the volume of seawater entering the first dynamic chamber, and one of the first static chamber and the first dynamic chamber surrounds the other and is coaxially arranged with the other.
  2. 2. The floating wind turbine floating body as claimed in claim 1, wherein a plurality of the auxiliary columns are arranged at intervals and uniformly in the circumferential direction, and a second connector is connected between two adjacent auxiliary columns.
  3. 3. The floating blower float of claim 2 wherein one of said first dynamic chamber and said first static chamber is an annular chamber and the other is a cylindrical chamber.
  4. 4. The floating wind turbine floating body of claim 1, wherein the auxiliary column is generally hollow and columnar, and the first dynamic chambers and the first static chambers are alternately arranged in a radial direction of the auxiliary column itself.
  5. 5. The floating wind turbine buoy of claim 4 wherein the number of first dynamic chambers is two or more, each of the two or more first dynamic chambers being disposed about the first static chamber and distributed independently of each other.
  6. 6. The floating wind turbine float of claim 1 wherein said first medium includes at least one of a solid medium and a liquid medium.
  7. 7. The floating wind turbine float of claim 1 further comprising a compressor and a gas pipe connected to the compressor, the first dynamic chamber of the auxiliary column being connected to the gas pipe.
  8. 8. The floating blower float of claim 7 wherein a second control valve is provided between each of said first dynamic chambers and said compressor to regulate the flow of gas into each of said first dynamic chambers.
  9. 9. The floating wind turbine buoy of claim 1, further comprising an inclination sensor disposed on at least one of the main column and the auxiliary column, the inclination sensor configured to obtain an inclination angle of an entirety formed by each of the auxiliary column, the first connector, and the main column with respect to a reference plane.
  10. 10. The floating wind turbine buoy of any one of claims 1 to 9, wherein the main column and the auxiliary column are identical in structure.
  11. 11. A wind turbine generator set, comprising: a floating wind turbine float according to any one of claims 1 to 10; The fan main body is arranged on the main upright post and comprises a tower frame connected with the floating fan floating body, a cabin arranged on the tower frame and an impeller arranged on the cabin.
  12. 12. The wind generating set of claim 11, further comprising a controller configured to obtain current power information of the wind generating set, obtain inclination angle information of the floating fan float if the current power information continuously exceeds a first threshold value for a preset period of time, determine a target auxiliary column to be adjusted according to the inclination angle information, a direction of incoming wind and target posture information to be adjusted to a target posture when the inclination angle information exceeds a preset range, and adjust a volume of seawater in the target auxiliary column until the floating fan float reaches the target posture.
  13. 13. A method of controlling a wind turbine as claimed in claim 11, comprising: acquiring current power information of a wind generating set; If the current power information continuously exceeds a first threshold value in a preset time period, acquiring inclination angle information of the floating fan floating body; When the inclination angle information exceeds a preset range, determining a target auxiliary stand column to be adjusted according to the inclination angle information, the direction of incoming wind and target posture information corresponding to the target posture to be adjusted; and adjusting the volume of seawater in the target auxiliary upright post until the floating type fan floating body reaches the target posture.
  14. 14. The control method according to claim 13, wherein the inclination angle information includes an inclination angle of the floating type fan float with respect to a preset reference surface; When the inclination angle information exceeds a preset range, determining a target auxiliary upright column to be adjusted according to the inclination angle information, the direction of incoming wind and target posture information corresponding to the target posture to be adjusted comprises the following steps: When the inclination angle of the floating fan floating body relative to the preset reference surface is larger than a second threshold value and the value range of the included angle a between the incoming wind and the reference wind direction is 0 degrees < a <360 degrees, determining that at least two auxiliary upright posts in the plurality of auxiliary upright posts are the target auxiliary upright posts to be adjusted; When the inclination angle of the floating fan floating body relative to the preset reference surface is larger than a second threshold value and the included angle a between incoming wind and the reference wind direction is 360 degrees, determining the auxiliary upright post which is parallel to the incoming wind direction in the extending direction of the central connecting line of the main upright post in the auxiliary upright posts as the target auxiliary upright post.
  15. 15. The control method according to claim 14, wherein the floating fan floating body includes three auxiliary columns, and is a first auxiliary column, a second auxiliary column, and a third auxiliary column, respectively, an angle between a central line of the first auxiliary column and the main column and the reference wind direction is 60 °, an angle between a central line of the second auxiliary column and the main column and the reference wind direction is 300 °, and an angle between a central line of the third auxiliary column and the main column and the reference wind direction is 180 °; When the inclination angle of the floating fan floating body relative to the preset reference surface is larger than a second threshold value, and the value range of the included angle a between the incoming wind and the reference wind direction is 0 ° < a <360 °, the step of determining that at least two auxiliary upright posts in the plurality of auxiliary upright posts are target auxiliary upright posts to be adjusted comprises: When the inclination angle of the floating fan floating body relative to the preset reference surface is larger than a second threshold value, and the value range of the included angle a between the incoming wind and the reference wind direction is 0 degrees < a is smaller than or equal to 90 degrees, determining that the first auxiliary stand column and the third auxiliary stand column are the target auxiliary stand columns to be adjusted: When the inclination angle of the floating fan floating body relative to a preset reference surface is larger than a second threshold value and the value range of the included angle between the incoming wind and the reference wind direction is 90 degrees < a > or less than 180 degrees, determining that the first auxiliary upright post and the second auxiliary upright post are the target auxiliary upright posts to be adjusted; When the inclination angle of the floating fan floating body relative to the preset reference surface is larger than a second threshold value and the value range of the included angle between the incoming wind and the reference wind direction is 180 degrees < a <360 degrees, the second auxiliary upright post and the third auxiliary upright post are determined to be the target auxiliary upright posts to be adjusted.
  16. 16. The control method of claim 13, wherein said adjusting the volume of seawater in the target auxiliary column comprises: And pressing the seawater into the target auxiliary upright post through the first opening and discharging the seawater into the sea so as to adjust the integral drainage of the floating fan floating body.
  17. 17. The control method of claim 13, wherein after the step of adjusting the volume of seawater in the target auxiliary column until the floating blower float reaches the target attitude, the control method further comprises: acquiring current power information of a wind generating set; If the current power information is continuously smaller than a first threshold value in a preset time period, adjusting the volume of seawater in the target auxiliary upright post to restore to an initial state; or the main upright post and the auxiliary upright post have the same structure, and the control method further comprises the steps of obtaining the current power information of the wind generating set; and if the current power information is continuously smaller than a first threshold value within a preset time period, adjusting the volume of seawater in the target auxiliary upright post and the volume of seawater in the main upright post so as to enable the floating type fan floating body to recover to an initial state.

Description

Floating type fan floating body, wind generating set and control method Technical Field The invention relates to the technical field, in particular to a floating type fan floating body, a wind generating set and a control method. Background The realization of continuous boosting double-carbon targets in the wind power industry is currently developing towards single-machine capacity maximization, complete machine light weight, intellectualization, ocean and the like. According to statistics, the accumulated installed quantity of the offshore wind power is increased year by year. With the large-scale development of offshore resources, the development and utilization of deep-open sea resources are attracting attention. Under the status of the property, the floating wind generating set is developed gradually and becomes a power-assisted army of the subsequent offshore wind power. The wind turbine floating body is used for supporting parts such as a tower, a cabin and the like of the floating wind generating set, when the wind generating set faces wind load, wave load, ocean current load, ice load and the like, from the aspect of overall dynamics, the wind turbine floating body has all-around six degrees of freedom due to the floating characteristic of the floating wind generating set, and under the interweaving coupling effects such as external load randomness, motion complexity and the like of the wind generating set, the integral branching characteristic of the floating wind generating set is more complicated, and the motion stability of the floating wind generating set is one of the most important indexes for ensuring the continuous, stable, safe and efficient output of the wind generating set and ensuring the generated energy, so that how to ensure the stability of the floating wind generating set is one of the problems to be solved in the wind power field. The fan floating body in the related art mainly adjusts the overall inclination angle of the fan floating body by controlling the mutual circulation of fluid among different floating bodies so as to ensure the stability of the floating type wind generating set where the fan floating body is positioned, however, the design mode ensures that the overall drainage amount of the fan floating body is unchanged, the response speed is low and the stabilizing effect is poor. Disclosure of Invention The embodiment of the invention provides a floating type fan floating body, a wind generating set and a control method, wherein the floating type fan floating body has high response speed and good stabilizing effect. According to the embodiment of the invention, the floating type fan floating body comprises a main upright post, first connecting bodies, auxiliary upright posts and auxiliary upright posts, wherein the main upright post is used for supporting a tower, the first connecting bodies are arranged at intervals in the circumferential direction of the main upright post and are respectively connected with the main upright post, the auxiliary upright posts are arranged at intervals in the circumferential direction, one end of each first connecting body, which is far away from the main upright post, is connected with the auxiliary upright post, the auxiliary upright post is provided with a first static chamber and a first dynamic chamber which are independently arranged, a first medium is arranged in the first static chamber in a sealing mode, a first opening communicated with the first dynamic chamber and a first control valve are arranged on the auxiliary upright post, and the first control valve controls the opening and closing of the first opening so as to adjust the volume of seawater entering the first dynamic chamber. According to one aspect of the embodiment of the invention, a plurality of auxiliary posts are uniformly arranged at intervals in the circumferential direction, and a second connector is connected between two adjacent auxiliary posts. According to one aspect of an embodiment of the present invention, one of the first static chamber and the first dynamic chamber is disposed around the other. According to one aspect of the embodiments of the present invention, one of the first dynamic chamber and the first static chamber is an annular chamber and the other is a columnar chamber, the first dynamic chamber and the first static chamber being disposed coaxially with each other. According to one aspect of the embodiment of the invention, the auxiliary upright is entirely hollow and columnar, and the first dynamic chambers and the first static chambers are alternately arranged in the radial direction of the auxiliary upright itself. According to one aspect of the embodiment of the present invention, the number of the first dynamic chambers is two or more, and the two or more first dynamic chambers are all disposed around the first static chamber and are distributed independently of each other. According to one aspect of an embodiment of the present inve