CN112814841A - Remote communication and maintenance system of pitch control system based on power line carrier - Google Patents
Remote communication and maintenance system of pitch control system based on power line carrier Download PDFInfo
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- CN112814841A CN112814841A CN202011629384.5A CN202011629384A CN112814841A CN 112814841 A CN112814841 A CN 112814841A CN 202011629384 A CN202011629384 A CN 202011629384A CN 112814841 A CN112814841 A CN 112814841A
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- power carrier
- module
- switch
- programmable controller
- power
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- 238000004891 communication Methods 0.000 title claims abstract description 34
- 238000012423 maintenance Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 abstract description 7
- 238000010248 power generation Methods 0.000 abstract description 2
- 238000012544 monitoring process Methods 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005058 metal casting Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/04—Automatic control; Regulation
- F03D7/042—Automatic control; Regulation by means of an electrical or electronic controller
- F03D7/047—Automatic control; Regulation by means of an electrical or electronic controller characterised by the controller architecture, e.g. multiple processors or data communications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/022—Adjusting aerodynamic properties of the blades
- F03D7/0224—Adjusting blade pitch
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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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- 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)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Control Of Eletrric Generators (AREA)
- Wind Motors (AREA)
Abstract
The embodiment of the invention provides a pitch system remote communication and maintenance system based on power line carrier, which relates to the technical field of wind power generation and comprises the following components: the system comprises a driver group, a switch, a power carrier slave module, a power carrier master module, an upper computer and a programmable controller; the switch is connected with the driver group and the programmable controller; the driver group is connected with the programmable controller; the power carrier slave module is connected with the switch; the power carrier slave module is connected with the power carrier master module; the power carrier main module is connected with the upper computer, and the method provided by the invention can meet the requirement of the pitch system on communication and improve the anti-interference performance of the communication system.
Description
Technical Field
The invention relates to the technical field of wind power generation, in particular to a power carrier-based pitch system remote communication and maintenance system.
Background
With the development of wind power technology, offshore wind turbines grow explosively. Compared with a land unit, the offshore wind turbine has very high maintenance cost and very high offshore cost. The variable pitch system is arranged in a hub at the top end of the wind generating set, is responsible for the safe operation of the whole wind generating set and is an important component of the fan. Therefore, maintenance and fault handling work needs to be carried out on the pitch PLC and the drivers inside the pitch PLC and the drivers regularly.
In the prior art, each driver is connected with a data centralized control card with a wireless communication module through a CAN or 485 data bus, the data centralized control card is communicated with a wireless communication router installed in a wind driven generator cabin through the wireless communication module of the data centralized control card, and an Ethernet port of the wireless communication router is connected into a wind driven generator network through a network cable and is communicated with a data acquisition and monitoring control system of a wind field.
In the actual use process, the hub is a closed or semi-closed metal casting and has a certain shielding effect on radio waves, so that the wireless communication module is required to have a large enough wall through hole for ensuring that signals can be effectively transmitted to a cabin, and the offshore unit is in the whole design consideration of corrosion resistance and salt mist resistance, most of the offshore unit is closed, and the very high requirement is provided for the effective implementation of a wireless communication scheme.
In the prior art, the communication of the pitch system is easily shielded.
Disclosure of Invention
In view of this, the present invention provides a pitch system remote communication and maintenance system based on power line carrier, so as to meet the requirement of the pitch system on communication and improve the anti-interference performance of the communication system.
In a first aspect, an embodiment of the present invention provides a pitch system remote communication and maintenance system based on a power line carrier, including:
the system comprises a driver group, a switch, a power carrier slave module, a power carrier master module, an upper computer and a programmable controller;
the switch is connected with the driver group and the programmable controller;
the driver group is connected with the programmable controller;
the power carrier slave module is connected with the switch;
the power carrier slave module is connected with the power carrier master module;
the power carrier main module is connected with the upper computer.
Preferably, the number of the driver groups is 3;
the switch is connected with 3 drivers;
and 3 driver groups are connected with a programmable controller.
The embodiment of the invention has the following beneficial effects: the embodiment of the invention provides a pitch system remote communication and maintenance system based on power line carrier waves, which comprises: the system comprises a driver group, a switch, a power carrier slave module, a power carrier master module, an upper computer and a programmable controller; the switch is connected with the driver group and the programmable controller; the driver group is connected with the programmable controller; the power carrier slave module is connected with the switch; the power carrier slave module is connected with the power carrier master module; the power carrier main module is connected with the upper computer, and the method provided by the invention can meet the requirement of the pitch system on communication and improve the anti-interference performance of the communication system.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a block diagram of a pitch system remote communication and maintenance system based on power line carrier according to an embodiment of the present invention;
icon: 100-carrier slave module, 200-switch; 300-a programmable controller; 400-driver 1; 500-driver 2; 600 — driver 3; 700-power carrier master module; 800, a wind turbine generator data acquisition and monitoring control system; 900, and (3) an upper computer.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
At present, each driver is connected with a data centralized control card with a wireless communication module through a CAN or 485 data bus, the data centralized control card is communicated with a wireless communication router arranged in a cabin of a wind driven generator through a wireless communication module of the data centralized control card, an Ethernet port of the wireless communication router is connected into a network of the wind driven generator through a network cable and is communicated with a data acquisition and monitoring control system of a wind field, in the actual use process, as a hub is a closed or semi-closed metal casting and has certain shielding effect on radio waves, the wireless communication module is required to have a wall through hole which is large enough to ensure that signals CAN be effectively transmitted to the closed cabin, and the whole design consideration that a marine unit is in corrosion and salt mist prevention mostly has very high requirements on the effective implementation of a wireless communication scheme, therefore, the pitch system remote communication and maintenance system based on power carrier waves is provided by the embodiment of the invention, the requirement of the variable pitch system on communication can be met, and the anti-interference performance of the communication system is improved.
In order to facilitate understanding of the embodiment, a power carrier-based pitch system remote communication and maintenance system disclosed in the embodiment of the invention is first described in detail.
The first embodiment is as follows:
the embodiment of the invention provides a pitch system remote communication and maintenance system based on power line carrier, which is characterized by comprising the following components:
the system comprises a driver group, a switch, a power carrier slave module, a power carrier master module, an upper computer and a programmable controller;
the switch is connected with the driver group and the programmable controller;
the driver group is connected with the programmable controller;
the power carrier slave module is connected with the switch;
the power carrier slave module is connected with the power carrier master module;
the power carrier main module is connected with the upper computer.
Preferably, the number of the driver groups is 3;
the switch is connected with 3 drivers;
and 3 driver groups are connected with a programmable controller.
In accordance with the system block diagram of fig. 1:
1) the remote communication and monitoring system of the pitch system comprises a power carrier slave module 100, a non-network management type switch 200, a pitch PLC300, a driver 1, a driver 2 and a driver 3 which are respectively 400, 500 and 600, a slip ring 800 for the pitch system, a power carrier master module 700, a wind turbine generator data acquisition and monitoring control system 800 and a central control room computer 900;
the first end of the power carrier slave module 100 is connected with power inlet lines L1, L2, L3 and N of the variable pitch slip ring 800, and the second end RJ45 port is connected with the non-network management type switch module 200. The second end, the third end, the fourth end and the fifth end of the switch module 200 are respectively connected to the PLC module 300, the driver 1400, the driver 2500 and the driver 3600. Slip ring outgoing lines L1, L2, L3 and N for the variable pitch system are connected to the first end of the power carrier main module 700; the second end of the power carrier main module 700 is connected to one end of a wind turbine data acquisition and monitoring control system 800, and the other end of the wind turbine data acquisition and monitoring control system is connected to an upper computer;
in the present invention, the power carrier slave module 100 and the power carrier master module 700 may adopt any power carrier module known in the art. The PLC module 200 may employ any PLC known in the art. The pitch drive may be any drive known in the art. The pitch system slip ring 800 may be any electrical slip ring known in the art.
In the present invention, the Modbus TCP/IP protocol is used between the power carrier slave module 100 and the switch 200, and between the switch 200 and the PLC300 and each driver 400/500/600.
Unless specifically stated otherwise, the relative steps, numerical expressions, and values of the components and steps set forth in these embodiments do not limit the scope of the present invention.
Letters represent similar items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the system and the apparatus described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (2)
1. A remote communication and maintenance system of a pitch system based on power line carrier is characterized by comprising:
the system comprises a driver group, a switch, a power carrier slave module, a power carrier master module, an upper computer and a programmable controller;
the switch is connected with the driver group and the programmable controller;
the driver group is connected with the programmable controller;
the power carrier slave module is connected with the switch;
the power carrier slave module is connected with the power carrier master module;
the power carrier main module is connected with the upper computer.
2. The system of claim 1, wherein the number of driver groups is 3;
the switch is connected with 3 drivers;
and 3 driver groups are connected with a programmable controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011629384.5A CN112814841A (en) | 2020-12-31 | 2020-12-31 | Remote communication and maintenance system of pitch control system based on power line carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011629384.5A CN112814841A (en) | 2020-12-31 | 2020-12-31 | Remote communication and maintenance system of pitch control system based on power line carrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112814841A true CN112814841A (en) | 2021-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011629384.5A Pending CN112814841A (en) | 2020-12-31 | 2020-12-31 | Remote communication and maintenance system of pitch control system based on power line carrier |
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| CN (1) | CN112814841A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040010350A1 (en) * | 2000-05-31 | 2004-01-15 | Per-Anders Lof | Distributed power generation system protection scheme |
| US20070254726A1 (en) * | 2005-10-19 | 2007-11-01 | Seiko Epson Corporation | Wireless communication apparatus |
| CN202431439U (en) * | 2011-12-23 | 2012-09-12 | 华锐风电科技(集团)股份有限公司 | System achieving communication between variable paddle control module and main control module |
| US8275489B1 (en) * | 2009-04-21 | 2012-09-25 | Devine Timothy J | Systems and methods for deployment of wind turbines |
| CN108631291A (en) * | 2018-05-03 | 2018-10-09 | 天津瑞源电气有限公司 | The DC bus-bar voltage equalising control device and its method of pitch-controlled system axis driver |
| CN211860097U (en) * | 2020-04-08 | 2020-11-03 | 明阳智慧能源集团股份公司 | Communication system from hub to engine room of wind generating set |
| CN211969460U (en) * | 2020-04-03 | 2020-11-20 | 哈尔滨市科佳通用机电股份有限公司 | Derailer system for realizing network transmission by means of power line carrier |
-
2020
- 2020-12-31 CN CN202011629384.5A patent/CN112814841A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040010350A1 (en) * | 2000-05-31 | 2004-01-15 | Per-Anders Lof | Distributed power generation system protection scheme |
| US20070254726A1 (en) * | 2005-10-19 | 2007-11-01 | Seiko Epson Corporation | Wireless communication apparatus |
| US8275489B1 (en) * | 2009-04-21 | 2012-09-25 | Devine Timothy J | Systems and methods for deployment of wind turbines |
| CN202431439U (en) * | 2011-12-23 | 2012-09-12 | 华锐风电科技(集团)股份有限公司 | System achieving communication between variable paddle control module and main control module |
| CN108631291A (en) * | 2018-05-03 | 2018-10-09 | 天津瑞源电气有限公司 | The DC bus-bar voltage equalising control device and its method of pitch-controlled system axis driver |
| CN211969460U (en) * | 2020-04-03 | 2020-11-20 | 哈尔滨市科佳通用机电股份有限公司 | Derailer system for realizing network transmission by means of power line carrier |
| CN211860097U (en) * | 2020-04-08 | 2020-11-03 | 明阳智慧能源集团股份公司 | Communication system from hub to engine room of wind generating set |
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Application publication date: 20210518 |
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