CN210859046U - Wind power generation set and control system thereof - Google Patents
Wind power generation set and control system thereof Download PDFInfo
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- CN210859046U CN210859046U CN201921854272.2U CN201921854272U CN210859046U CN 210859046 U CN210859046 U CN 210859046U CN 201921854272 U CN201921854272 U CN 201921854272U CN 210859046 U CN210859046 U CN 210859046U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses a control system of wind power generation group, include: the controller is arranged in the control cabinet; the distributed IO modules are in communication connection with the controller through a communication bus, and each distributed IO module is connected with corresponding working equipment through a cable for realizing communication between the controller and the corresponding working equipment; and any one distributed IO module is arranged on the working site where the corresponding working equipment is located. Use the utility model provides a scheme is favorable to practicing thrift the cable cost, has also improved system reliability. The utility model also provides a wind power generation group has corresponding technological effect.
Description
Technical Field
The utility model relates to a wind power generation technical field especially relates to a wind power generation group and control system thereof.
Background
A control system of the wind generating set is a control core of each fan, and the quality of the control system architecture is directly related to the working state of the wind generating set, the amount of generated energy and the safety of equipment. The processing system unit of the control system is usually composed of a controller and an I/O station, the controller forms a real-time multitask operating system, and all control logics, control strategies and control algorithms are completed by the controller. The I/O station collects and outputs IO signals and can also communicate with other systems.
The existing wind turbine generator control system is mostly composed of a tower footing control unit and a cabin control unit, and as shown in fig. 1, a controller is placed in a tower footing and a cabin, and an I/O station is also arranged in a tower footing and a cabin control cabinet. In addition, part of the wind turbines are also arranged in a cabin control cabinet in a centralized mode through controllers and IO stations.
The overall structure of the wind turbine generator system is complex, and many devices are involved, such as the generator, the gear box, the hydraulic system, the cooling system, the environmental monitoring system and the like shown in fig. 1, which are connected with the control system through an IO or need the control system to perform IO data acquisition on the control system. It should be noted that each system includes a plurality of IO points, i.e. each identified cable in fig. 1 generally consists of a plurality of cables. Therefore, a large number of signal cables need to be connected to the control system IO, the number of cables required is large, the length is long, the cost is high, the failure rate is high in practical application, and the system reliability is reduced.
In summary, how to effectively save the cable cost and improve the system reliability is a technical problem that needs to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wind power generation group and control system thereof to practice thrift the cable cost effectively, improve system reliability.
In order to solve the technical problem, the utility model provides a following technical scheme:
a control system for a wind power plant, comprising:
the controller is arranged in the control cabinet;
the distributed IO modules are in communication connection with the controller through a communication bus, and each distributed IO module is connected with corresponding working equipment through a cable and used for realizing communication between the controller and the corresponding working equipment; and any one of the distributed IO modules is arranged on a working site where the corresponding working equipment is located.
Preferably, any one of the distributed IO modules is arranged in a junction box of corresponding working equipment or is preset in an IO collection box of a working site.
Preferably, the controller comprises a first controller arranged in the cabin control cabinet and a second controller arranged in the tower footing control cabinet;
the plurality of distributed IO modules communicatively connected to the controller via a communication bus include:
a first type of distributed IO module communicatively connected only to the first controller via a communication bus;
a second type distributed IO module only in communication connection with the second controller through a communication bus;
and the third type distributed IO module is in communication connection with the first controller and the second controller through a communication bus.
Preferably, the first type distributed IO module at least includes: the system comprises a generator distributed IO module, a gear box distributed IO module, a hydraulic station distributed IO module, a cooling system distributed IO module, a lubrication distributed IO module and a meteorological station distributed IO module;
the second type distributed IO module at least includes: the system comprises a transformer distributed IO module, a ring main unit distributed IO module and a dehumidification ventilation equipment distributed IO module;
the third type of distributed IO module at least includes: and the environment monitoring equipment is distributed IO modules.
Preferably, the first controller and the second controller are both PLC controllers.
Preferably, the first controller and the second controller are connected in communication through an optical fiber.
A wind power generation group characterized by comprising a control system of a wind power generation group according to any of the above.
Use the embodiment of the utility model provides a technical scheme, each distributed IO module does not set up in the switch board, and is concrete, arbitrary distributed IO module all sets up the job site that is in at corresponding equipment, and every distributed IO module passes through communication bus and controller communication connection, can realize the communication between controller and the corresponding equipment for the scheme of this application need not to utilize a large amount of cables to be connected to the switch board from the job site that equipment is in, but realizes the purpose of this application through less communication bus. Therefore, the scheme of the application is favorable for saving the cable cost and also improves the system reliability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a control system of a wind power plant according to a conventional solution;
fig. 2 is a schematic structural diagram of a control system of a wind power generation set according to the present invention;
fig. 3 is a schematic structural diagram of a control system of a wind power generation set according to an embodiment of the present invention.
Detailed Description
The core of the utility model is to provide a control system of wind power generation group is favorable to practicing thrift the cable cost, has also improved system reliability.
In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 2, fig. 2 is a schematic structural diagram of a control system of a wind power generation set according to the present invention, the control system of the wind power generation set may include:
a controller 10 disposed in the control cabinet.
The controller 10 may be a computer, a microcontroller, a PLC, or the like, and is responsible for implementing various control functions during the operation of the fan.
The distributed IO modules 20 are in communication connection with the controller 10 through a communication bus, and each distributed IO module 20 is connected with corresponding working equipment through a cable for realizing communication between the controller 10 and the corresponding working equipment; moreover, any one of the distributed IO modules 20 is disposed at a work site where the corresponding work device is located. In the embodiment of fig. 2, only 3 working devices are shown, and in practical applications, there will usually be a greater number of working devices, and the components of different working devices are different in composition, and the distributed IO module 20 may be connected with each component that needs IO communication in the corresponding working device through a cable, for example, in the embodiment of fig. 2, the distributed IO module 20 is connected with two components or three components through cables.
A plurality of bus communication units may be disposed inside the controller 10, so as to communicate with each connected distributed IO module 20 through a communication bus, and each distributed IO module 20 is connected to a corresponding operating device through a cable, so that communication between the corresponding operating device and the controller 10 is achieved. The communication protocol adopted by the communication bus can be set according to actual needs.
Through each distributed IO module 20, the controller 10 may realize the acquisition and transmission of signals. It should be further noted that, in practical applications, for any one of the distributed IO modules 20, the distributed IO module 20 may also be communicatively connected to other systems.
In the scheme of this application, arbitrary distributed IO module 20 all sets up the job site that corresponding operating device is located for required cable length is shorter, the condition that a large amount of cables all are connected to the switch board as in traditional scheme can not appear, but be connected to controller 10 through a small amount of communication bus, the wiring quantity that is connected to controller 10 has been reduced promptly, make the wiring also easier, in addition, also be favorable to reducing the fault rate, and communication bus also has stronger resistance to interference, be favorable to improving signal quality.
For any one distributed IO module 20, the distributed IO module 20 is disposed near the corresponding working device, and the specific position may be set as required. The utility model discloses an in a specific embodiment, arbitrary distributed IO module 20 all sets up in the terminal box of corresponding working equipment or predetermines in the IO collection box of job site.
In this embodiment, some types of working devices are larger and have larger terminal blocks, which may be used to place distributed IO modules 20. While some types of working devices have smaller or no junction boxes, so the present application provides an IO collection box for placing distributed IO modules 20. It will be appreciated that the IO collection boxes may be placed where the associated sensors are more concentrated.
Referring to fig. 3, in an embodiment of the present invention, considering that a general wind turbine generator system is provided with a cabin control cabinet and a tower footing control cabinet, the controller 10 of the present application may include a first controller 11 disposed in the cabin control cabinet and a second controller 12 disposed in the tower footing control cabinet, which are respectively responsible for different functions. Compared with the scheme of using a single controller 10, the scheme of using the first controller 11 in the cabin control cabinet and the second controller 12 in the tower footing control cabinet is beneficial to reducing the implementation cost.
Accordingly, the plurality of distributed IO modules 20 communicatively coupled to the controller 10 via the communication bus may include:
a first type distributed IO module 20 communicatively connected only to the first controller 11 through a communication bus;
a second type distributed IO module 20 communicatively connected only to the second controller 12 via a communication bus;
and a third type of distributed IO module 20 communicatively connected to both the first controller 11 and the second controller 12 via a communication bus.
The specific configurations of the first type of distributed IO module 20, the second type of distributed IO module 20, and the third type of distributed IO module 20 may be set and adjusted according to actual conditions, for example, in a specific embodiment of fig. 3, it is considered that the cabin control cabinet may generally collect switching value signals of a vibration switch, an oil level, a pressure difference, wear, and the like in the cabin; analog quantity signals such as wind wheel rotating speed, generator rotating speed, wind speed and direction, temperature, vibration and the like are collected and processed, and therefore, the first-type distributed IO module 20 may at least include: the system comprises a generator distributed IO module 20, a gearbox distributed IO module 20, a hydraulic station distributed IO module 20, a cooling system distributed IO module 20, a lubrication distributed IO module 20 and a meteorological station distributed IO module 20.
Considering that the tower footing control cabinet is mainly used for completing data acquisition and I/O signal processing, logic function judgment, communication with a central monitoring system and information transmission; and monitoring the transformer, the ring main unit, the environment temperature and the like. Thus, the second type of distributed IO module 20 may include at least: the system comprises a transformer distributed IO module 20, a ring main unit distributed IO module 20 and a dehumidification ventilation equipment distributed IO module 20;
the third type of distributed IO module 20 at least includes: environmental monitoring device distributed IO module 20.
The arrangement of the distributed IO module 20 in this embodiment is beneficial to realizing the overall control and communication of each working device of the wind power generation set.
The specific types of the first controller 11 and the second controller 12 can also be set and adjusted as needed, for example, considering that the PLC controllers have high reliability, strong anti-interference capability, strong applicability, and easy modification, when being implemented specifically, the first controller 11 and the second controller 12 can both be PLC controllers.
A communication connection is required between the first controller 11 and the second controller 12, and the communication connection can be made through an optical fiber, so that a high communication rate is ensured between the two controllers.
Use the embodiment of the utility model provides a technical scheme, each distributed IO module 20 does not set up in the switch board, it is concrete, arbitrary distributed IO module 20 all sets up the job site that corresponding equipment is in, every distributed IO module 20 passes through communication bus and controller 10 communication connection, can realize the communication between controller 10 and the corresponding equipment, make the scheme of this application need not to utilize a large amount of cables to be connected to the switch board from the job site that equipment is in, but realize the purpose of this application through less communication bus. Therefore, the scheme of the application is favorable for saving the cable cost and also improves the system reliability.
Corresponding to the above embodiments of the control system of the wind power generation group, the embodiment of the present invention further provides a wind power generation group, which may include the control system of the wind power generation group in any of the above embodiments, and may be referred to in correspondence with the above, and the description is not repeated here.
It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, article, or apparatus that comprises the element.
The principle and the implementation of the present invention are explained herein by applying specific examples, and the above descriptions of the embodiments are only used to help understand the technical solution and the core idea of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (7)
1. A control system for a wind power generation assembly, comprising:
the controller is arranged in the control cabinet;
the distributed IO modules are in communication connection with the controller through a communication bus, and each distributed IO module is connected with corresponding working equipment through a cable and used for realizing communication between the controller and the corresponding working equipment; and any one of the distributed IO modules is arranged on a working site where the corresponding working equipment is located.
2. The control system of a wind power generation group according to claim 1, wherein any one of the distributed IO modules is provided in a junction box of the corresponding working equipment or an IO collection box preset in a working site.
3. The control system of a wind power plant according to claim 1, wherein the controller comprises a first controller disposed in a nacelle control cabinet and a second controller disposed in a tower base control cabinet;
the plurality of distributed IO modules communicatively connected to the controller via a communication bus include:
a first type of distributed IO module communicatively connected only to the first controller via a communication bus;
a second type distributed IO module only in communication connection with the second controller through a communication bus;
and the third type distributed IO module is in communication connection with the first controller and the second controller through a communication bus.
4. A control system of a wind power plant according to claim 3, characterized in that said first type of distributed IO modules comprises at least: the system comprises a generator distributed IO module, a gear box distributed IO module, a hydraulic station distributed IO module, a cooling system distributed IO module, a lubrication distributed IO module and a meteorological station distributed IO module;
the second type distributed IO module at least includes: the system comprises a transformer distributed IO module, a ring main unit distributed IO module and a dehumidification ventilation equipment distributed IO module;
the third type of distributed IO module at least includes: and the environment monitoring equipment is distributed IO modules.
5. A control system for a wind power plant according to claim 3, wherein said first controller and said second controller are both PLC controllers.
6. A control system for a wind power plant according to claim 3, wherein said first controller and said second controller are communicatively connected by optical fibers.
7. A wind power plant characterized by comprising a control system of a wind power plant according to any of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921854272.2U CN210859046U (en) | 2019-10-30 | 2019-10-30 | Wind power generation set and control system thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921854272.2U CN210859046U (en) | 2019-10-30 | 2019-10-30 | Wind power generation set and control system thereof |
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| CN210859046U true CN210859046U (en) | 2020-06-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594094A (en) * | 2019-10-30 | 2019-12-20 | 中国船舶重工集团海装风电股份有限公司 | Wind power generation set and control system thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594094A (en) * | 2019-10-30 | 2019-12-20 | 中国船舶重工集团海装风电股份有限公司 | Wind power generation set and control system thereof |
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Effective date of registration: 20210823 Address after: 401122 No.30, Jinyu Avenue, jingkaiyuan, northern New District, Yubei District, Chongqing Patentee after: CSIC HAIZHUANG WINDPOWER Co.,Ltd. Patentee after: China Shipbuilding Group Co.,Ltd. Address before: 401122 No.30, Jinyu Avenue, jingkaiyuan, northern New District, Yubei District, Chongqing Patentee before: CSIC HAIZHUANG WINDPOWER Co.,Ltd. |