CN113982853A - Wind field system - Google Patents

Wind field system Download PDF

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Publication number
CN113982853A
CN113982853A CN202111203904.0A CN202111203904A CN113982853A CN 113982853 A CN113982853 A CN 113982853A CN 202111203904 A CN202111203904 A CN 202111203904A CN 113982853 A CN113982853 A CN 113982853A
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China
Prior art keywords
main controller
intelligent terminal
wind farm
fan
monitoring system
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Granted
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CN202111203904.0A
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CN113982853B (en
Inventor
程栋
蒋勇
周京晖
康鹏举
韦永清
马诚
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Shanghai Electric Wind Power Group Co Ltd
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Shanghai Electric Wind Power Group Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D17/00Monitoring or testing of wind motors, e.g. diagnostics
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D7/00Controlling wind motors 
    • F03D7/02Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/04Automatic control; Regulation
    • F03D7/042Automatic control; Regulation by means of an electrical or electronic controller
    • F03D7/047Automatic control; Regulation by means of an electrical or electronic controller characterised by the controller architecture, e.g. multiple processors or data communications
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction

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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)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Wind Motors (AREA)

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 is in two-way communication with the intelligent terminal, the intelligent terminal is in one-way or two-way communication with the SCADA system, and the SCADA system is in one-way communication with the main controller. 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 field 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
With the gradual depletion of energy sources such as coal and petroleum, human beings increasingly pay more attention to the utilization of renewable energy sources. Wind energy is increasingly gaining attention as a clean renewable energy source in all countries of the world. The wind power generation device is very suitable for and can be used for generating electricity by utilizing wind power according to local conditions in coastal islands, grassland pasturing areas, mountain areas and plateau areas with water shortage, fuel shortage and inconvenient traffic. Wind power generation is to convert the kinetic energy of wind into electric energy by using a fan.
The control system of the fan is an important component of the fan, undertakes important tasks of fan monitoring, automatic adjustment, maximum wind energy capture realization, good power grid compatibility guarantee and the like, and mainly comprises a monitoring system, a master control system, a variable pitch control system and a frequency conversion system (frequency converter). The main control system of the fan is the most core control part of the fan and is directly related to the performance and the safety of the fan. The master control system can collect various sensor signals and operation data in real time to monitor and protect the fan, guarantee stable and safe output of electric energy of the fan through power regulation and frequency regulation, and provide complete fan data support. The master control system includes a master controller, which is typically located in the nacelle of the wind turbine. The existing master controller needs to store a large amount of high-frequency data, so the master controller has 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 includes fan end and field end, the fan end includes main control unit and intelligent terminal, the field end includes the SCADA system, wherein, main control unit with intelligent terminal carries out two-way communication, intelligent terminal with the SCADA system carries out one-way or two-way communication, the SCADA system with main control unit carries out one-way communication.
The wind field system of the embodiment of the invention is additionally provided with the intelligent terminal, the intelligent terminal shares partial data storage and partial external communication functions of the main controller, and the SCADA system and the main controller carry out one-way communication, so that the pressure and the cost of the main controller for storing high-frequency data can be reduced, the data reliability of the full 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 view of a wind turbine;
FIG. 2 is a schematic block diagram of a wind farm system of one embodiment of the present invention;
FIG. 3 is a schematic block diagram of a wind farm system according to another embodiment of the present 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 the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent 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 certain aspects of the invention, as detailed in the appended 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 otherwise defined, technical or scientific terms used in the embodiments of the present invention should have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs. The use of "first," "second," and similar terms in the description and in the claims does not indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of 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 "a number" means two or more. Unless otherwise indicated, "front", "rear", "lower" and/or "upper" and the like are for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted 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 and all possible combinations of one or more of the associated listed items.
Fig. 1 discloses a perspective view of a wind turbine 100. As shown in FIG. 1, 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 at one 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 farm end 10 And a farm end 20, the wind farm end 10 includes a main controller 11 And an intelligent terminal 12, And the farm end 20 includes an SCADA (Supervisory Control And Data Acquisition) system. 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.
The wind field system 1 of the embodiment of the invention is additionally provided with the intelligent terminal 12, the intelligent terminal 12 shares partial data storage and partial external communication functions of the main controller 11, and the SCADA system 22 and the main controller 11 perform one-way communication, so that the pressure and cost of the main controller 11 for storing high-frequency data can be reduced, the data reliability of the full wind field can be improved, and meanwhile, the control instruction from the SCADA system 22 can be responded in time.
The master controller 11 may be located in the nacelle 102 on top of the wind turbine tower 104 and the intelligent terminal 12 may be located at the bottom of the wind turbine tower 104. The main controller 11 may be communicatively coupled to the intelligent terminal 12 via one or more switches (not shown). For example, a tower top switch (not shown) is arranged at the top of the fan tower 104, a tower bottom switch (not shown) is arranged at the bottom of the fan tower 104, the main controller 11 can 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 in communication connection with each other, so that the mutual communication connection between the main controller 11 and the intelligent terminal 12 can be realized.
The main controller 11 can provide the data signals SD of the wind turbine 100 to the intelligent terminal 12, and the intelligent terminal 12 can collect and store the data signals SD, so that the high-frequency data of the wind turbine can be stored in 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 reducing the pressure and cost of the main controller 11 for storing high-frequency data. Preferably, the main controller 11 may provide all data signals SD of the wind turbine 100 to the intelligent terminal 12. Thus, the intelligent terminal 12 can function as a backup data, and can store important data for 25 years, for example.
The data signals SD transmitted from the main controller 11 to the intelligent terminal 12 are divided into various types, such as state judgment amount, hardware channel control amount, algorithm amount, and communication amount, by taking each system (for example, according to a main control, 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 a dimension. These data signals are typically characterized by high frequency data, e.g., on the order of milliseconds. Of course, in other embodiments, the data signal SD may also contain low frequency data, for example, in the order of minutes.
When the communication between the intelligent terminal 12 and the main controller 11 is interrupted, the main controller 11 may retransmit the data signal SD to the intelligent terminal 12 within a predetermined time when the communication between the intelligent terminal 12 and the main controller 11 is interrupted.
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 include the second partial data signal SD2, although in other embodiments, at least part of the second partial data signal SD2 may be calculated from the data signal SD. The second part data signal SD2 includes statistical data signals such as statistical analysis of wind speed/power, power curve, ten-minute history data, terminal health status, field control data, group intelligent statistical analysis information, etc., the signal type is an algorithm amount, and the signal is characterized by minute-level frequency such as minute or ten-minute. The SCADA system 22 may receive the second portion data signal SD2 from the smart terminal 12 and generate a second control signal SC2 to the host controller 11 based on the second portion data signal SD 2. The second control signal SC2 is a command-type signal, such as remote reset, remote start-stop, etc., and the type of signal is a control quantity.
The SCADA system 22 of the embodiment of the invention performs one-way communication with the main controller 11, thereby ensuring that the main controller 11 can respond to the control instruction from the SCADA system 22 in time.
The field terminal 20 further comprises a field controller 21. In some embodiments, the master controller 11 also communicates bi-directionally with the field controllers 21.
Main controller 11 may send a first portion data signal SD1 of fan 100 to field controller 21. The first partial data signal SD1 includes statistical data signals such as wind speed/power, etc., the type of signal is an algorithm quantity, and the signal is characterized by frequencies in the order of minutes or ten minutes. The field controller 21 may receive the control command from the grid terminal and the first partial data signal SD1 from the main controller 11, and based on the control command from the grid terminal and the first partial data signal SD1, returns the first control signal SC1 to the main controller 11, 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 quantity.
The field controller 21 of the embodiment of the present invention performs bidirectional communication with the main controller 11, so that the main controller 11 can be ensured to perform real-time control, and the main controller 11 can respond to the control instruction from the field controller 21 in time.
In one embodiment, the data signal SD collected and stored by the smart terminal 12 may include the first partial data signal SD 1. In another embodiment, at least part of the first partial data signal SD1 may also be calculated from the data signal SD. Of course, in other embodiments, the data signal SD collected and stored by the smart terminal 12 may not include the first partial data signal SD 1.
In some embodiments, the fan end 10 may further include a sensing and monitoring system 13, the intelligent terminal 12 may perform one-way communication with the sensing and monitoring system 13, and the sensing and monitoring system 13 may perform one-way communication with the main controller 11. The sensing and Monitoring system 13 may include a cms (condition Monitoring system) vibration Monitoring system and other various Monitoring devices, for example. The sensory monitoring system 13 is located on the nacelle 102 of the wind turbine 100.
As shown in fig. 4, the wind farm system 1 of the embodiment of the present invention further includes a plurality of fans 100 and a fan ring network 30 formed by a ring network switch 31, wherein the plurality of fans 100 are all connected to the fan ring network 30 through the ring network switch 31. The main controller 11, the intelligent terminal 12 and the sensing monitoring system 13 of the fan end 10 of the wind farm system 1 may 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 wind turbine 100 to the sensor-monitoring system 13. The data signal SD collected and stored by the intelligent terminal 12 may include the third partial data signal SD3, although in other embodiments, at least some of the third partial data signal SD3 may be calculated from the data signal SD. The third partial data signal SD3 includes system-like data signals, such as signals of bearings, etc., the type of the signals is algorithmic quantity, and the signals are characterized by millisecond-level high-frequency data. The sensing monitoring system 13 may receive the third portion data signal SD3 from the smart terminal 12 and generate a third control signal SC3 to the main controller 11 based on the third portion data signal SD 3. The third control signal SC3 is a command type signal, such as shutdown protection, and the like, and the type of the signal is a control quantity.
The sensing monitoring system 13 of the embodiment of the present 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 monitoring system 13 in time.
The intelligent terminal 12 of the embodiment of the present invention may be loaded with one or more algorithms APP (application programs). The intelligent terminal 12 may perform an edge calculation based on at least a portion of the data signals SD to perform some more complicated operations, and after the operations are completed, generate the fourth control signal SC4 and return it to the main controller 11. The fourth control signal SC4 is a command type signal, such as a control signal and statistical information, a pitch command and a yaw command, and the signal type is a control quantity or an algorithm quantity. This embodiment allows the intelligent terminal 12 to perform some more complicated operations, and then returns a control signal to the main controller 11 after the operations are completed. Therefore, a part of the calculation power of the main controller 11 can be shared, and the calculation load of the main controller 11 can be effectively reduced.
In some embodiments, the master controller 11 may receive the first control signal SC1, the second control signal SC2 of the SCADA system 22, the third control signal SC3 of the sensing and monitoring system 13, and the fourth control signal SC4 of the smart terminal 12 from the field controller 21, 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 sensing and 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 grid command from the farm controller 21, and the control commands of the SCADA system 22 and the sensing and monitoring system 13 can be responded to in time.
In the embodiment of the present invention, the main controller 11 and the intelligent terminal 12 are both 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.
The wind field system 1 of the embodiment of the invention is additionally provided with the intelligent terminal 12, and the intelligent terminal 12 shares the functions of data storage and partial external communication of the main controller 11, thereby reducing the pressure and cost of the main controller 11 for storing high-frequency data.
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 and the sensing and monitoring system 13 in the wind field system 2 shown in fig. 3 can perform two-way communication, and the intelligent terminal 12 does not perform communication with the sensing and monitoring system 13 any more.
In the wind farm system 2 shown in fig. 3, the sensing and monitoring system 13, such as the CMS vibration monitoring system, is directly in communication with the main controller 11, and is no longer in communication with the intelligent terminal 12, so that the hardware requirement of the intelligent terminal 12 can be reduced, and the overall hardware cost of the wind farm system 2 can be reduced. Furthermore, the sensing monitoring system 13 directly communicates with the main controller 11, so that the main controller 11 can send data to the sensing monitoring system 13 in time, and can respond to the control command from the sensing monitoring system 13 in time.
In the wind park system 2 shown in fig. 3, the main controller 11 may send a third part data signal SD3 of the wind turbine to the sensing and monitoring system 13. The sensing monitoring system 13 may receive the third portion data signal SD3 from the main controller 11 and generate a third control signal SC3 to the main controller 11 based on the third portion data signal SD 3.
In the embodiment shown in fig. 3, the data signal SD collected and stored by the intelligent terminal 12 may include the third partial data signal SD3, of course, at least part of 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 SD 3.
The wind farm system 2 shown in fig. 3 of the present invention has substantially similar advantageous technical effects to the wind farm system 1 shown in fig. 2, and therefore, the detailed description thereof is omitted.
The wind farm system provided by the embodiment of the invention is described in detail above. The wind farm system of the embodiment of the present invention is illustrated by using specific examples, and the above description of the embodiments is only used to help understanding the core idea of the present invention, and is not intended to limit the present invention. It should be noted that, for those skilled in the art, various improvements and modifications can be made without departing from the spirit and principle of the present invention, and these improvements and modifications should fall within the scope of the appended claims.

Claims (17)

1. A wind farm system, characterized by: it includes fan end and field end, the fan end includes main control unit and intelligent terminal, the field end includes the SCADA system, wherein, main control unit with intelligent terminal carries out two-way communication, intelligent terminal with the SCADA system carries out one-way or two-way communication, the SCADA system with main control unit carries out one-way communication.
2. The wind farm system of claim 1, wherein: the main controller is used for providing data signals of the fan to the intelligent terminal, and the intelligent terminal is used for collecting and storing the data signals.
3. The wind farm system of claim 2, wherein: the intelligent terminal is used for sending a second part of data signals to the SCADA system, and the SCADA system is used for generating second control signals to the main controller based on the second part of data signals.
4. The wind farm system of claim 1, wherein: the field terminal also comprises a field controller, and the main controller is also in two-way communication with the field controller.
5. The wind farm system of claim 4, 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 a power grid end and returning first control signals to the main controller based on the first part of data signals.
6. The wind farm system of claim 1, wherein: the intelligent terminal is communicated with the sensing monitoring system in a one-way or two-way mode, and the sensing monitoring system is communicated with the main controller in a one-way mode.
7. The wind farm system of claim 6, wherein: the intelligent terminal is used for sending a third part of data signals of the fan to the sensing monitoring system, and the sensing monitoring system is used for generating third control signals to the main controller based on the third part of data signals.
8. The wind farm system of claim 1, wherein: the fan end further comprises a sensing monitoring system, and the main controller is in two-way communication with the sensing monitoring system.
9. The wind farm system of claim 8, wherein: the main controller is used for sending a third part of data signals of the fan to the sensing monitoring system, and the sensing monitoring system is used for generating third control signals to the main controller based on the third part of data signals.
10. The wind farm system of claim 2, wherein: and 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.
11. The wind farm system of claim 2, 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 preset time when the communication is recovered.
12. The wind farm system of claim 1, wherein: the main controller is located in an engine room at the top of the fan tower cylinder, and the intelligent terminal is located at the bottom of the fan tower cylinder.
13. The wind farm system of claim 12, wherein: the main controller is in communication connection with the intelligent terminal through the switch.
14. A wind park system according to claim 6 or 8, wherein: the intelligent terminal is connected with the sensing monitoring system through the switch, and the field end is connected to the fan ring network.
15. A wind park system according to claim 6 or 8, wherein: the sensing monitoring system includes a CMS vibration monitoring system.
16. A wind park system according to claim 6 or 8, wherein: the sensing and monitoring system is positioned on a cabin of the fan.
17. The wind farm system of claim 1, wherein: one or more algorithm application programs are loaded on the intelligent terminal.
CN202111203904.0A 2021-10-15 2021-10-15 Wind farm system Active CN113982853B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101246367A (en) * 2008-03-25 2008-08-20 南京科远控制工程有限公司 Wind power generation field monitoring system based on real-time data base
CN102465835A (en) * 2010-11-09 2012-05-23 通用电气公司 Wind turbine farm and method of controlling at least one wind turbine
CN103161669A (en) * 2013-02-26 2013-06-19 上海电机学院 System and method for monitoring operation of wind power plant
CN103901828A (en) * 2012-12-27 2014-07-02 北京万源工业有限公司 Monitoring system for wind power generating plant
CN207470355U (en) * 2017-09-19 2018-06-08 重庆科凯前卫风电设备有限责任公司 A kind of wind power generation farm monitoring system
CN111878309A (en) * 2020-08-21 2020-11-03 上海电气风电集团股份有限公司 Fan centralized control system and wind power plant
CN212774593U (en) * 2020-08-21 2021-03-23 上海电气风电集团股份有限公司 Fan centralized control system and wind power plant

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101246367A (en) * 2008-03-25 2008-08-20 南京科远控制工程有限公司 Wind power generation field monitoring system based on real-time data base
CN102465835A (en) * 2010-11-09 2012-05-23 通用电气公司 Wind turbine farm and method of controlling at least one wind turbine
CN103901828A (en) * 2012-12-27 2014-07-02 北京万源工业有限公司 Monitoring system for wind power generating plant
CN103161669A (en) * 2013-02-26 2013-06-19 上海电机学院 System and method for monitoring operation of wind power plant
CN207470355U (en) * 2017-09-19 2018-06-08 重庆科凯前卫风电设备有限责任公司 A kind of wind power generation farm monitoring system
CN111878309A (en) * 2020-08-21 2020-11-03 上海电气风电集团股份有限公司 Fan centralized control system and wind power plant
CN212774593U (en) * 2020-08-21 2021-03-23 上海电气风电集团股份有限公司 Fan centralized control system and wind power plant

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