CN113982853B

CN113982853B - Wind farm system

Info

Publication number: CN113982853B
Application number: CN202111203904.0A
Authority: CN
Inventors: 程栋; 蒋勇; 周京晖; 康鹏举; 韦永清; 马诚
Original assignee: Shanghai Electric Wind Power Group Co Ltd
Current assignee: Shanghai Electric Wind Power Group Co Ltd
Priority date: 2021-10-15
Filing date: 2021-10-15
Publication date: 2024-02-27
Anticipated expiration: 2041-10-15
Also published as: CN113982853A

Abstract

The embodiment of the invention provides a wind field system. The wind field system comprises a fan end and a field end, wherein the fan end comprises a main controller and an intelligent terminal, the field end comprises an SCADA system, the main controller and the intelligent terminal are in bidirectional communication, the intelligent terminal and the SCADA system are in unidirectional or bidirectional communication, and the SCADA system and the main controller are in unidirectional communication. The wind field system provided by the embodiment of the invention can reduce the pressure and cost of the main controller for storing high-frequency data and improve the data reliability of the full wind field.

Description

Wind farm system

Technical Field

The embodiment of the invention relates to the technical field of wind power generation, in particular to a wind field system.

Background

Along with the gradual exhaustion of energy sources such as coal, petroleum and the like, people pay more attention to the utilization of renewable energy sources. Wind energy is becoming increasingly important worldwide as a clean renewable energy source. The wind power generation device is very suitable for coastal islands, grassland pasture areas, mountain areas and plateau areas which are lack of water, fuel and inconvenient in transportation, and can be widely used according to local conditions. Wind power generation means that kinetic energy of wind is converted into electric energy by a fan.

The control system of the fan is an important component of the fan, and is used for carrying out important tasks such as monitoring, automatic adjustment, maximum wind energy capture, good power grid compatibility assurance and the like of the fan, and mainly comprises a monitoring system, a main control system, a variable pitch control system and a variable frequency system (frequency converter). The main control system of the fan is the control part of the fan at the core, and the performance and safety of the fan are directly related. The main control system can collect various sensor signals and operation data in real time to monitor and protect the fan, ensures stable and safe output of the fan electric energy through power and frequency modulation, and provides complete fan data support. The main control system comprises a main controller which is usually arranged in the cabin of the fan. The existing main controller needs to store a large amount of high-frequency data, and thus, the main controller has a large data storage pressure.

Disclosure of Invention

The embodiment of the invention aims to provide a wind field system which can reduce the pressure and cost of a main controller for storing high-frequency data.

One aspect of an embodiment of the present invention provides a wind farm system. The wind field system comprises a fan end and a field end, the fan end comprises a main controller and an intelligent terminal, the field end comprises a SCADA system, the main controller and the intelligent terminal are in bidirectional communication, the intelligent terminal and the SCADA system are in unidirectional or bidirectional communication, and the SCADA system and the main controller are in unidirectional communication.

According to the wind field system provided by the embodiment of the invention, the intelligent terminal is additionally arranged to share the functions of partial data storage and partial external communication of the main controller, and the SCADA system is in one-way communication with the main controller, so that the pressure and cost of storing high-frequency data by the main controller can be reduced, the data reliability of the whole wind field can be improved, and meanwhile, the control instruction from the SCADA system can be responded in time.

Drawings

FIG. 1 is a schematic diagram of a fan;

FIG. 2 is a schematic block diagram of a wind farm system according to an embodiment of the invention;

FIG. 3 is a schematic block diagram of a wind park system according to another embodiment of the invention;

FIG. 4 is another schematic view of a wind farm system according to an embodiment of the present invention.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with aspects of the invention as detailed in the accompanying claims.

The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Unless defined otherwise, technical or scientific terms used in the embodiments of the present invention should be given the ordinary meaning as understood by one of ordinary skill in the art to which the present invention belongs. The terms first, second and the like in the description and in the claims, are not used for any order, quantity or importance, but are used for distinguishing between different elements. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "plurality" means two or more. Unless otherwise indicated, the terms "front," "rear," "lower," and/or "upper" and the like are merely for convenience of description and are not limited to one location or one spatial orientation. The word "comprising" or "comprises", and the like, means that elements or items appearing before "comprising" or "comprising" are encompassed by the element or item recited after "comprising" or "comprising" and equivalents thereof, and that other elements or items are not excluded. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.

Fig. 1 discloses a perspective view of a fan 100. As shown in FIG. 1, a wind turbine 100 includes a plurality of blades 101, a nacelle 102, a hub 103, and a tower 104. A tower 104 extends upwardly from a foundation (not shown), a nacelle 102 is mounted on top of the tower 104, a hub 103 is mounted on an end of the nacelle 102, and a plurality of blades 101 are mounted on the hub 103.

Fig. 2 discloses a schematic block diagram of a wind park system 1 according to an embodiment of the invention. As shown in fig. 2, the wind farm system 1 according to an embodiment of the present invention includes a wind turbine end 10 and a farm end 20, the wind turbine end 10 includes a main controller 11 and an intelligent terminal 12, and the farm end 20 includes a SCADA (Supervisory Control And Data Acquisition ) system. Wherein, the main controller 11 can perform bidirectional communication with the intelligent terminal 12, the intelligent terminal 12 can perform unidirectional or bidirectional communication with the SCADA system 22, and the SCADA system 22 can perform unidirectional communication with the main controller 11.

According to the wind field system 1 provided by the embodiment of the invention, the intelligent terminal 12 is additionally arranged, the functions of partial data storage and partial external communication of the main controller 11 are shared by the intelligent terminal 12, and the SCADA system 22 and the main controller 11 are in one-way communication, so that the pressure and cost of storing high-frequency data by the main controller 11 can be reduced, the data reliability of the whole wind field can be improved, and meanwhile, the control instruction from the SCADA system 22 can be responded in time.

Main controller 11 may be located in nacelle 102 atop a wind turbine tower 104, and intelligent terminal 12 may be located at the bottom of wind turbine tower 104. The main controller 11 may be communicatively connected to the intelligent terminals 12 through one or more switches (not shown). For example, a tower top switch (not shown) is provided at the top of the fan tower 104, a tower bottom switch (not shown) is provided at the bottom of the fan tower 104, the main controller 11 may be connected to the tower top switch, the intelligent terminal 12 is connected to the tower bottom switch, and the tower top switch and the tower bottom switch are connected to each other in communication, so that the mutual communication connection between the main controller 11 and the intelligent terminal 12 may be achieved.

The main controller 11 can provide the data signals SD of the fan 100 to the intelligent terminal 12, the intelligent terminal 12 can collect and store the data signals SD, so that the fan high frequency data can be stored to the intelligent terminal 12 for more than half a year, and a data basis is provided for edge calculation, data analysis and application. The intelligent terminal 12 of the embodiment of the invention can be used for sharing the data storage function of the main controller 11, and reduces the pressure and cost of storing high-frequency data by the main controller 11. Preferably, the main controller 11 may provide all data signals SD of the blower 100 to the intelligent terminal 12. Thus, the intelligent terminal 12 may function as a backup data, and may store important data, for example, 25 years.

The data signals SD transmitted from the main controller 11 to the intelligent terminal 12 are divided into various types such as a state judgment amount, a hardware channel control amount, an algorithm amount, and a communication amount by taking each system (for example, a main control system, a pitch system, a yaw system, a generator system, a hydraulic system, a gear box system, a main shaft system, a transformer system, and a tower system) as dimensions. These data signals are typically characterized by high frequency data, e.g. in the order of milliseconds. Of course, in other embodiments, the data signal SD may also contain low frequency data, for example on the order of minutes.

When the communication between the smart terminal 12 and the main controller 11 is interrupted, the main controller 11 may retransmit the data signal SD to the smart terminal 12 within a predetermined time after the communication between the smart terminal 12 and the main controller 11 is interrupted, when the communication is resumed.

The intelligent terminal 12 may send the second partial data signal SD2 to the SCADA system 22. The data signal SD collected and stored by the intelligent terminal 12 may comprise the second partial data signal SD2, however, in other embodiments, at least part of the data signal SD2 may be calculated from the data signal SD. The second part of the data signal SD2 comprises statistical data signals, such as statistical analysis of wind speed/power, etc., power curves, ten minutes history data, terminal health status, field control data, group intelligent statistical analysis information, etc., the signal type is an algorithm quantity, and the signal is characterized by a minute-level frequency of minutes or ten minutes, etc. The SCADA system 22 may receive the second partial data signal SD2 from the intelligent terminal 12 and generate the second control signal SC2 to the main controller 11 based on the second partial data signal SD 2. The second control signal SC2 is an instruction type signal, such as a remote reset, a remote start-stop, etc., and the type of the signal is a control amount.

The SCADA system 22 of the embodiment of the present invention performs unidirectional communication with the main controller 11, so that it can be ensured that the main controller 11 can respond to the control command from the SCADA system 22 in time.

The field terminal 20 further comprises a field controller 21. In some embodiments, the master controller 11 is also in bi-directional communication with the field controller 21.

The main controller 11 may transmit the first partial data signal SD1 of the blower fan 100 to the field controller 21. The first part data signal SD1 comprises a statistical type data signal, such as wind speed/power etc., the signal type is an algorithmic quantity, the signal is characterized by a frequency in the order of minutes or ten minutes. The field controller 21 may receive the control command from the power grid end and the first partial data signal SD1 from the main controller 11, and return the first control signal SC1 to the main controller 11 based on the control command from the power grid end and the first partial data signal SD1, where the first control signal SC1 is a command type signal, such as a start-stop command, and the type of the signal is a control amount.

The field controller 21 and the main controller 11 in the embodiment of the invention perform bidirectional communication, so that the main controller 11 can be ensured to perform real-time control, and the main controller 11 can respond to control instructions from the field controller 21 in time.

In one embodiment, the data signal SD collected and stored by the intelligent terminal 12 may include a first portion of the data signal SD1. In another embodiment, at least part of the data signals in the first part of the data signals SD1 may also be calculated from the data signals SD. Of course, in other embodiments, the data signal SD collected and stored by the intelligent terminal 12 may not include the first portion data signal SD1.

In some embodiments, the fan end 10 may further include a sensing and monitoring system 13, the intelligent terminal 12 may be in unidirectional communication with the sensing and monitoring system 13, and the sensing and monitoring system 13 may be in unidirectional communication with the main controller 11. The sensing and monitoring system 13 may include, for example, a CMS (Condition Monitoring System) vibration monitoring system as well as various other monitoring devices. The sensing and monitoring system 13 is located on the nacelle 102 of the wind turbine 100.

As shown in fig. 4, the wind farm system 1 according to the embodiment of the present invention further includes a plurality of fans 100 and a fan ring network 30 formed by ring network switches 31, where the fans 100 are connected to the fan ring network 30 through the ring network switches 31. The main controller 11, the intelligent terminal 12 and the sensor monitoring system 13 of the fan end 10 of the wind farm system 1 can be connected to the fan ring network 30 through a switch (not shown), and the farm controller 21 and the SCADA system 22 of the farm end 20 are also connected to the fan ring network 30. Thereby, a communication connection between the fan end 10 and the field end 20 is achieved.

Referring back to fig. 2, the intelligent terminal 12 may send a third portion data signal SD3 of the blower 100 to the sensor monitoring system 13. The data signal SD collected and stored by the intelligent terminal 12 may comprise a third part of the data signal SD3, and of course, in other embodiments, at least part of the data signal SD3 may be calculated from the data signal SD. The third part data signal SD3 comprises a system-like data signal, for example a signal such as a bearing, the signal type being an algorithmic quantity, the signal being characterized by millisecond-level high-frequency data. The sensing and monitoring system 13 may receive the third partial data signal SD3 from the intelligent terminal 12 and generate the third control signal SC3 to the main controller 11 based on the third partial data signal SD3. The third control signal SC3 is a command type signal, for example, a shutdown protection, and the like, and the signal type is a control amount.

The sensing and monitoring system 13 in the embodiment of the invention communicates with the main controller 11, and returns the third control signal SC3 to the main controller 11, so that the main controller 11 can respond to the control command from the sensing and monitoring system 13 in time.

One or more algorithms APP (application program) may be loaded on the intelligent terminal 12 according to the embodiment of the present invention. The intelligent terminal 12 may perform edge calculation based on at least part of the data signals SD to perform some more complex operations, and after the operations are completed, generate the fourth control signal SC4 and return the fourth control signal SC to the main controller 11. The fourth control signal SC4 is a command signal, for example, a control signal and statistical information, a pitch command, a yaw command, etc., and the signal type is a control amount or an algorithm amount. This embodiment allows the intelligent terminal 12 to perform some more complex operations, and after the operations are completed, return control signals to the main controller 11. Thus, a part of the computation power of the main controller 11 can be shared, and the computation load of the main controller 11 can be effectively reduced.

In some embodiments, the main controller 11 may receive the first control signal SC1 from the field controller 21, the second control signal SC2 from the SCADA system 22, the third control signal SC3 from the sensor monitoring system 13, and the fourth control signal SC4 from the intelligent terminal 12, respectively.

In the wind farm system 1 according to the embodiment of the present invention, the first control signal SC1 of the farm controller 21, the second control signal SC2 of the SCADA system 22, and the third control signal SC3 of the sensor monitoring system 13 are directly returned to the main controller 11, so that the main controller 11 can be ensured to perform real-time control, and the control instructions from the farm controller 21, the SCADA system 22, and the sensor monitoring system 13 can be responded in time.

In the embodiment of the invention, the main controller 11 and the intelligent terminal 12 are used as interfaces for externally issuing data.

In one embodiment of the present invention, at least some of the first, second and third partial data signals SD1, SD2 and SD3 are different, and at least some of the first, second and third partial data signals SD1, SD2 and SD3 may overlap.

According to the wind field system 1 provided by the embodiment of the invention, the intelligent terminal 12 is additionally arranged, so that the functions of data storage and partial external communication of the main controller 11 are shared by the intelligent terminal 12, and the pressure and cost for storing high-frequency data by the main controller 11 can be reduced.

Fig. 3 discloses a schematic block diagram of a wind park system 2 according to another embodiment of the invention. As shown in fig. 3, the wind farm system 2 shown in fig. 3 differs from the wind farm system 1 shown in fig. 2 in that: the main controller 11 in the wind farm system 2 shown in fig. 3 can perform bidirectional communication with the sensing and monitoring system 13, and the intelligent terminal 12 does not communicate with the sensing and monitoring system 13 any more.

The sensor monitoring system 13, such as the CMS vibration monitoring system, in the wind farm system 2 shown in fig. 3 directly communicates with the main controller 11, and no longer communicates with the intelligent terminal 12, so that the hardware requirements of the intelligent terminal 12 can be reduced, and the overall hardware cost of the wind farm system 2 can be reduced. In addition, the sensing and monitoring system 13 directly communicates with the main controller 11, so that the main controller 11 can send data to the sensing and monitoring system 13 in time and respond to control instructions from the sensing and monitoring system 13 in time.

In the wind farm system 2 shown in fig. 3, the main controller 11 may send a third part data signal SD3 of the wind turbines to the sensor monitoring system 13. The sensing and monitoring system 13 may receive the third partial data signal SD3 from the main controller 11 and generate the third control signal SC3 to the main controller 11 based on the third partial data signal SD3.

In the embodiment shown in fig. 3, the data signal SD collected and stored by the intelligent terminal 12 may include a third partial data signal SD3, and of course, at least a part of the data signal in the third partial data signal SD3 may also be calculated from the data signal SD; alternatively, the data signal SD collected and stored by the smart terminal 12 may not include the third partial data signal SD3.

The wind farm system 2 shown in fig. 3 has substantially similar advantageous technical effects as the wind farm system 1 shown in fig. 2, and thus will not be described in detail herein.

The wind field system provided by the embodiment of the invention is described in detail above. Specific examples are set forth herein to illustrate the wind farm system of embodiments of the present invention, and the description of the above embodiments is merely for aiding in understanding the core concept of the present invention and is not intended to limit the present invention. It should be noted that it will be apparent to those skilled in the art that various changes and modifications can be made herein without departing from the spirit and principles of the invention, which should also fall within the scope of the appended claims.

Claims

1. A wind farm system, characterized by: the intelligent control system comprises a fan end and an intelligent terminal, wherein the fan end comprises a main controller and an intelligent terminal, the intelligent terminal comprises an SCADA system, the main controller is in bidirectional communication with the intelligent terminal, the intelligent terminal is in unidirectional or bidirectional communication with the SCADA system, the SCADA system is in unidirectional communication with the main controller, the main controller is used for providing data signals of the fan for the intelligent terminal, the intelligent terminal is used for collecting the data signals and storing the data signals, the intelligent terminal is used for sending second part of data signals to the SCADA system, and the SCADA system is used for generating second control signals for the main controller based on the second part of data signals.

2. The wind farm system of claim 1, wherein: the field terminal also comprises a field controller, and the main controller is also in bidirectional communication with the field controller.

3. The wind farm system of claim 2, wherein: the main controller is used for sending a first part of data signals of the fan to the field controller, and the field controller is used for receiving control instructions from the power grid end and returning first control signals to the main controller based on the first part of data signals.

4. The wind farm system of claim 1, wherein: the fan end further comprises a sensing monitoring system, the intelligent terminal and the sensing monitoring system are in one-way or two-way communication, and the sensing monitoring system and the main controller are in one-way communication.

5. The wind farm system of claim 4, wherein: the intelligent terminal is used for sending a third part of data signals of the fan to the sensing and monitoring system, and the sensing and monitoring system is used for generating a third control signal to the main controller based on the third part of data signals.

6. The wind farm system of claim 1, wherein: the fan end further comprises a sensing monitoring system, and the main controller is in bidirectional communication with the sensing monitoring system.

7. The wind farm system of claim 6, wherein: the main controller is used for sending a third part of data signals of the fan to the sensing and monitoring system, and the sensing and monitoring system is used for generating a third control signal to the main controller based on the third part of data signals.

8. The wind farm system of claim 1, wherein: the intelligent terminal generates a fourth control signal based on at least part of the data signals and returns the fourth control signal to the main controller.

9. The wind farm system of claim 1, wherein: and after the communication between the intelligent terminal and the main controller is interrupted, the main controller is used for retransmitting the data signal to the intelligent terminal within a preset time when the communication is recovered.

10. The wind farm system of claim 1, wherein: the main controller is located in the engine room at the top of the fan tower, and the intelligent terminal is located at the bottom of the fan tower.

11. The wind farm system of claim 10, wherein: the main controller is in communication connection with the intelligent terminal through the switch.

12. A wind park system as claimed in claim 4 or 6, wherein: the intelligent terminal is connected with the sensor monitoring system through the switch, and the field terminal is connected to the fan ring network.

13. A wind park system as claimed in claim 4 or 6, wherein: the sensory monitoring system includes a CMS vibration monitoring system.

14. A wind park system as claimed in claim 4 or 6, wherein: the sensing and monitoring system is located on the cabin of the fan.

15. The wind farm system of claim 1, wherein: and one or more algorithm application programs are carried on the intelligent terminal.