CN210509470U - Three-drive three-motor wind power pitch control device and control system thereof - Google Patents
Three-drive three-motor wind power pitch control device and control system thereof Download PDFInfo
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- CN210509470U CN210509470U CN201822105245.7U CN201822105245U CN210509470U CN 210509470 U CN210509470 U CN 210509470U CN 201822105245 U CN201822105245 U CN 201822105245U CN 210509470 U CN210509470 U CN 210509470U
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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 three motor wind-powered electricity generation of driving become oar device and control system thereof, a three motor wind-powered electricity generation of driving become oar device, including three become oar drive cabinet and become the accuse cabinet in the oar that becomes is connected with three the oar drive cabinet, every becomes oar drive cabinet internally mounted and has three the oar driver that becomes, every becomes oar driver and is connected with one and becomes oar driving motor, a three control system that three motor wind-powered electricity generation become oar devices that drive, including following step: the method comprises the following steps: detecting wind speed and wind direction; step two: controlling a variable-pitch drive cabinet; step three: adjusting power generation; in the three-drive three-motor wind power variable pitch device and the control system thereof, three variable pitch drivers are added, so that the stability and reliability of the operation of a variable pitch system are improved, and the operation and maintenance cost is greatly reduced; in the variable-pitch drive cabinet, all the central control components are connected in a CAN bus communication mode, and the condition of system operation error when the host fails is effectively avoided by independently selecting the host, so that the reliability of the system is improved.
Description
Technical Field
The utility model relates to a wind-powered electricity generation becomes oar technical field, concretely relates to three motors wind-powered electricity generation of driving become oar device and control system thereof.
Background
At present, most of wind turbine generators are wind turbine pitch-controlled cabinets with a driver as a core device, and are mainly used in northern mountainous areas, along rivers and other low-wind-speed areas. With the increase of the wind power capacity, one driver cannot meet the load of normal fan operation, and the power generation quantity suddenly drops due to frequent failure. In order to comply with the development of offshore wind power, a high-power wind power pitch control cabinet is provided with two drivers, but the failure rate of the drivers is high due to the severe humid offshore environment, the maintenance cost of a wind turbine generator is increased, the loss is serious, and how to maintain the operation of a fan in a fan failure mode, a scheme of a three-drive three-motor wind power pitch control device and a control system thereof is conceived.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome foretell not enough, provide a three motor wind-powered electricity generation of driving become oar device and control system thereof.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a three-drive three-motor wind power pitch control device comprises three pitch control driving cabinets and a pitch control center control cabinet connected with the three pitch control driving cabinets, wherein three pitch control drivers are installed inside each pitch control driving cabinet, each pitch control driver is connected with one pitch control driving motor, blades are driven through the corresponding pitch control driving motors, the pitch control center control cabinet is connected with a frequency converter, and the frequency converter is electrically connected with a generator;
the pitch control driving cabinet is internally provided with a central control component, three pitch control drivers corresponding to the central control component are also internally provided with a central control component, the central control components are connected in a CAN bus communication mode, a detection module is arranged between the pitch control drivers and the pitch control driving motor, and the detection module comprises a current transformer and a voltage transformer.
Preferably, the pitch drivers are respectively provided with a backup power module, and the backup power modules comprise storage batteries.
Preferably, the central control unit may be a PLC.
Preferably, the periphery of each of the pitch control center cabinet and the pitch drive cabinet is coated with anticorrosive paint.
Preferably, the three pitch drives in the pitch drive cabinet are arranged side by side at equal intervals.
Compared with a single-drive variable pitch cabinet, the three-drive three-motor wind power variable pitch device mainly comprises two drivers, each driver has the whole work function of the original driver (namely, each driver can work independently), and once a certain driver fails, the new standby driver can be automatically or manually selected to be switched to. The work tasks of the drivers can be evenly distributed, and the shutdown caused by the overload fault of the drivers is avoided. The two added drivers can be used for standby and program test points respectively, and when additional functions are added or related programs are modified, the additional functions can be modified on the program test points or the standby drivers, so that the normal use of the fan is not influenced.
Compared with a double-drive pitch control cabinet structure, the three-drive three-motor wind power pitch control device is additionally provided with a driver, and the newly added driver is used as a backup and has the double-drive all working functions. Once a certain driver fails, the new standby driver can be automatically or manually selected and switched to, so that the stable operation of the fan is guaranteed.
A control system of the three-drive three-motor wind power pitch control device comprises the following steps:
the method comprises the following steps: detecting wind speed and wind direction, detecting the wind speed and the wind direction around the blades through a wind direction and wind speed sensor, and transmitting the wind speed and the wind direction to a pitch control center cabinet;
step two: the method comprises the steps that a variable pitch drive cabinet is controlled, after wind direction and wind speed data are calculated by a variable pitch central control cabinet, the angle of a blade is detected, a command is sent to a variable pitch driver in the variable pitch drive cabinet, the variable pitch driver controls a motor to adjust the angle of the blade, and meanwhile, the blade feeds back the adjusted angle to the variable pitch driver;
step three: power generation regulation: the pitch control center cabinet sends a command to the frequency converter, the frequency converter sets the torque of the generator to generate power, and meanwhile, the generator feeds back the current rotating speed to the frequency converter;
in the second step, all the central control components are connected in a CAN bus communication mode, each central control component is provided with a host, the other central control components are slaves, when the host breaks down, a communication address is pushed backwards, the central control component is used as the host, and the other central control components are used as the slaves.
Preferably, in the second step, a detection module in the pitch drive monitors the working current and the working voltage of the corresponding motor in real time, and meanwhile, the working information of the pitch drive is transmitted to other central control components in a CAN bus communication mode; the current transformer in the detection module is used for detecting the current of the driver, the voltage transformer is used for detecting the voltage, the voltage and current data are transmitted to the DSP data processing module for analyzing the data, and a central control component serving as a host sends a switching instruction to ensure the normal switching of the variable pitch driver.
The utility model has the advantages that: in the three-drive three-motor wind power variable pitch device and the control system thereof, three variable pitch drivers are added, so that the stability and reliability of the operation of a variable pitch system are improved, and the operation and maintenance cost is greatly reduced; in addition, in the variable-pitch drive cabinet, all the central control components are connected in a CAN bus communication mode, and the situation of system operation errors when the host fails is effectively avoided by independently selecting the host, so that the reliability of the system is improved.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of a wind power pitch device of the present invention;
fig. 2 is a system schematic diagram of the wind power pitch control device of the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
Example 1:
as shown in fig. 1 and 2, a three-drive three-motor wind power pitch control device comprises three pitch drive cabinets and a pitch center control cabinet connected with the three pitch drive cabinets, wherein three pitch drivers are installed in each pitch drive cabinet, each pitch driver is connected with one pitch drive motor, and a corresponding pitch drive motor drives a blade, the pitch center control cabinet is connected with a frequency converter, and the frequency converter is electrically connected with a generator;
the pitch control driving cabinet is internally provided with a central control component, three pitch control drivers corresponding to the central control component are also internally provided with a central control component, the central control components are connected in a CAN bus communication mode, a detection module is arranged between the pitch control drivers and the pitch control driving motor, and the detection module comprises a current transformer and a voltage transformer.
In this example: all be equipped with a backup power module in the change oar driver, backup power module includes the battery.
In this example: the central control component may be a PLC.
In this example: the periphery of the pitch control center cabinet and the pitch drive cabinet is coated with anticorrosive paint.
In this example: the three variable-pitch drivers in the variable-pitch driving cabinet are arranged side by side at equal intervals.
A control system of the three-drive three-motor wind power pitch control device comprises the following steps:
the method comprises the following steps: detecting wind speed and wind direction, detecting the wind speed and the wind direction around the blades through a wind direction and wind speed sensor, and transmitting the wind speed and the wind direction to a pitch control center cabinet;
step two: the method comprises the steps that a variable pitch drive cabinet is controlled, after wind direction and wind speed data are calculated by a variable pitch central control cabinet, the angle of a blade is detected, a command is sent to a variable pitch driver in the variable pitch drive cabinet, the variable pitch driver controls a motor to adjust the angle of the blade, and meanwhile, the blade feeds back the adjusted angle to the variable pitch driver;
step three: power generation regulation: the pitch control center cabinet sends a command to the frequency converter, the frequency converter sets the torque of the generator to generate power, and meanwhile, the generator feeds back the current rotating speed to the frequency converter;
in the second step, all the central control components are connected in a CAN bus communication mode, each central control component is provided with a host, the other central control components are slaves, when the host breaks down, a communication address is pushed backwards, the central control component is used as the host, and the other central control components are used as the slaves.
In this example: in the second step, a detection module in the variable pitch driver monitors the working current and the working voltage of the corresponding motor in real time, and meanwhile, the working information of the variable pitch driver is transmitted to other central control components in a CAN bus communication mode.
In light of the above, the present invention is not limited to the above embodiments, and various changes and modifications can be made by the worker without departing from the scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (3)
1. The utility model provides a three drive three motor wind-powered electricity generation become oar device and control system which characterized in that: the variable-pitch control system comprises three variable-pitch drive cabinets and a variable-pitch central control cabinet connected with the three variable-pitch drive cabinets, wherein three variable-pitch drivers are installed in each variable-pitch drive cabinet, each variable-pitch driver is connected with one variable-pitch drive motor and drives blades through the corresponding variable-pitch drive motor, the variable-pitch central control cabinet is connected with a frequency converter, and the frequency converter is electrically connected with a generator;
the pitch control driving cabinet is internally provided with a central control component, the three corresponding pitch control drivers are also internally provided with a central control component, the central control components are connected in a CAN bus communication mode, a detection module is arranged between each pitch control driver and the pitch control driving motor, and the detection module comprises a current transformer and a voltage transformer;
the variable-pitch drivers are respectively provided with a backup power module, and the backup power modules comprise storage batteries; the central control component may be a PLC.
2. The three-drive three-motor wind power pitch control device and the control system thereof according to claim 1, wherein: the periphery of the pitch control center cabinet and the pitch drive cabinet is coated with anticorrosive paint.
3. The three-drive three-motor wind power pitch control device and the control system thereof according to claim 1, wherein: the three variable-pitch drivers in the variable-pitch driving cabinet are arranged side by side at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822105245.7U CN210509470U (en) | 2018-12-14 | 2018-12-14 | Three-drive three-motor wind power pitch control device and control system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822105245.7U CN210509470U (en) | 2018-12-14 | 2018-12-14 | Three-drive three-motor wind power pitch control device and control system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210509470U true CN210509470U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822105245.7U Active CN210509470U (en) | 2018-12-14 | 2018-12-14 | Three-drive three-motor wind power pitch control device and control system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210509470U (en) |
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- 2018-12-14 CN CN201822105245.7U patent/CN210509470U/en active Active
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Address after: 214000 Building A, Standard Workshop Phase II, Runzhou Road, Industrial Transformation Cluster, Huishan District, Wuxi City, Jiangsu Province Patentee after: Jiangsu Naquan Hongyuan New Energy Technology Co.,Ltd. Address before: 214400 No.95 Yueshan Road, Yuecheng Town, Jiangyin City, Wuxi City, Jiangsu Province Patentee before: JIANGYIN HONGYUAN NEW ENERGY TECHNOLOGY CO.,LTD. |