CN219605464U - Hydraulic variable pitch simulation system of wind turbine generator - Google Patents
Hydraulic variable pitch simulation system of wind turbine generator Download PDFInfo
- Publication number
- CN219605464U CN219605464U CN202320139492.7U CN202320139492U CN219605464U CN 219605464 U CN219605464 U CN 219605464U CN 202320139492 U CN202320139492 U CN 202320139492U CN 219605464 U CN219605464 U CN 219605464U
- Authority
- CN
- China
- Prior art keywords
- data
- wind
- simulation system
- abnormal
- information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
Abstract
The utility model relates to the technical field of wind turbines and discloses a hydraulic pitch-changing simulation system of a wind turbine; the hydraulic pitch simulation system of the wind turbine comprises a central control end, wherein the central control end is used for transmitting and storing all data in the hydraulic pitch simulation system of the wind turbine; according to the utility model, the damping simulation system is carried, the tower is subjected to damping protection in the hydraulic blade pitch process, the damping simulation system reduces the influence of vibration generated by pitch variation on the tower, the damping simulation system divides the wind speed of each directory into 1-10 levels of subdirectories while reducing the influence of vibration on the tower, the data are fed back to the terminal control system through the information feedback system, the terminal control system adjusts the hydraulic pitch variation simulation system to adjust the angle of the blade, the directory and the subdirectories are respectively arranged, the angle of the blade can be controlled more accurately, and the power consumption of the terminal control system is saved while the power consumption of the terminal control system is increased.
Description
Technical Field
The utility model belongs to the technical field of wind turbines, and particularly relates to a hydraulic pitch-changing simulation system of a wind turbine.
Background
Wind power generation refers to converting kinetic energy of wind into electrical energy. Wind energy is clean and pollution-free renewable energy, and a wind power generation power supply consists of a wind generating set, a tower for supporting the generating set, a storage battery charging controller, an inverter, an unloader, a grid-connected controller, a storage battery pack and the like; the wind generating set comprises a wind wheel and a generator; the wind wheel comprises blades, a hub, reinforcing members and the like; it has the functions of wind power rotation to generate power, rotation of generator head, etc. Wind speed selection: the low wind speed wind power generator can effectively improve the wind energy utilization of the wind power generator in a low wind speed area, and in areas without typhoons, low wind speed products are recommended to be selected, and when the wind power generator set generates electricity, the output electricity frequency is ensured to be constant. This is necessary for both fan-grid power generation and wind-solar hybrid power generation. The constant frequency of wind power is ensured, one way is to ensure the constant rotation speed of the generator, namely the constant-speed and constant-frequency operation way, and the rotation speed of the wind turbine is definitely constant because the generator is driven by the wind turbine through a transmission device, so that the conversion efficiency of wind energy can be influenced; the other mode is that the rotation speed of the generator changes along with the wind speed, and the frequency of the output electric energy is ensured to be constant by other means, namely variable speed constant frequency operation.
According to the patent CN113339357A, a hydraulic pitch simulation system of a wind turbine generator is provided, and is characterized by comprising a hydraulic pitch simulation system, a hydraulic load output system, a data acquisition and instruction output module and a computer; the hydraulic pitch simulation system comprises a first hydraulic source, a first proportional valve, a first hydraulic cylinder, an oil tank, a piston position sensor, a first pressure sensor, a second pressure sensor, a first flow sensor and a second flow sensor; the hydraulic load output system comprises a second hydraulic source, a second proportional valve, a second hydraulic cylinder and a force sensor; the hydraulic pitch simulation system of the wind turbine generator is designed to simulate the characteristics of speed change and load change of a transmission system of the wind turbine generator, and is used for comparing the characteristic states of the hydraulic pitch simulation system in normal operation and fault operation, so that a convenient and effective way is provided for searching the common characteristics of the actual operation and fault of the hydraulic pitch simulation system of the wind turbine generator and fault diagnosis.
According to the patent number CN103470448B, an independent hydraulic pitch simulation system suitable for a wind turbine generator is provided, and comprises a wind turbine generator, a blade arranged on the wind turbine generator, a sensor array embedded in the blade, a hydraulic pitch control cabinet, a power cable and a communication cable for power supply and communication, a measuring module for blade load measurement and a data processing module; the blade load is monitored and controlled in real time, so that the purposes of reducing the blade load, improving the generating capacity and prolonging the service life of the whole machine are achieved.
The problems of operation and fault diagnosis of a detection pitch system during hydraulic pitch of the wind turbine generator are solved, so that the problems of a pitch system and blade loads are solved, but in the existing hydraulic pitch simulation system of the wind turbine generator, when the angle of a blade is adjusted by a hydraulic cylinder, the blade can vibrate back and forth to influence the stability of output power; thus, improvements are now needed for the current situation.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides a hydraulic pitch simulation system of a wind turbine, and the problem that the stability of output power is affected due to the fact that the front and back vibration of a frame is caused when a blade adjusts the angle of the blade through a hydraulic cylinder in the existing hydraulic pitch simulation system of the wind turbine.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the hydraulic pitch simulation system of the wind turbine comprises a central control end, wherein the central control end is used for transmitting and storing all data in the hydraulic pitch simulation system of the wind turbine;
wind-force speed measurement induction system: the wind speed measurement induction system is used for inducing wind power and wind direction near the wind turbine generator set and transmitting data of the wind power and the wind direction;
real-time monitoring simulation system: the real-time monitoring simulation system is used for monitoring working data of wind power and wind direction sensed by the wind power speed measuring sensing system, a wind wheel, a generator, a tower, a storage battery charging controller, an inverter, an unloader, a grid-connected controller and a storage battery pack in real time;
data analysis system: the data acquisition system is used for acquiring all real-time monitoring data of the real-time monitoring system, analyzing the data of all the acquired real-time monitoring data, filtering and screening out stable and fixed information, and transmitting changed information data to the data classification system, wherein the changed information comprises: abnormal data and change data of wind power and wind direction;
data classification system: the data classification system is used for classifying the received change information, and after the data classification is finished, the data classification system transmits the classified abnormal data or change data to the data processing system in a recording mode of 'primary catalog database-secondary catalog database-tertiary catalog database-abnormal data/change data';
a data processing system: the data processing system is used for rapidly comparing the real-time data information of the received primary catalog database, the secondary catalog database, the tertiary catalog database, the abnormal data/change data with the established past information database, extracting effective information aiming at the data problem, and transmitting the real-time data information and the effective information to the central control end;
and the data total control system comprises: the data master control system is used for rapidly extracting the real-time data information and the effective information stored by the central control end, and an administrator rapidly makes instructions according to the effective information;
instruction feedback system: the command feedback system receives a command sent by the data master control system and transmits command data to the maintenance system or the hydraulic pitch simulation system according to the command sent by the master control system;
and (3) overhauling a system: the overhaul system is used for processing the instruction of the abnormal data, overhauling the abnormal data through the instruction issued by the administrator, and timely processing to ensure the normal use of the equipment;
hydraulic pitch simulation system: the hydraulic pitch-variable simulation system is used for quickly adjusting the pitch angle of the blade after receiving an instruction issued by an administrator in the cloud, changing the attack angle of air flow on the blade, controlling the rotating speed by controlling the pitch-variable angle when the wind power is large, and rotating the blade to increase the angle and increasing the rotating speed when the wind power is small;
hydraulic load system: the hydraulic load system is used for bearing loading, impedance matching and bearable power, when various resistances of the hydraulic cylinder are overcome, the hydraulic cylinder needs to generate enough thrust, the thrust is generated by the oil pressure in the hydraulic cylinder, and the larger the resistance to be overcome, the higher the oil pressure in the cylinder; conversely, the lower the pressure;
damping simulation system: the damping simulation system is used for damping protection of the tower in the hydraulic variable pitch process of the blade, reduces the influence of vibration on the tower through the damping simulation system, and increases the stability of output power.
Preferably, the sensing mechanism in the wind speed measuring sensing system is specifically one or a combination of several of a cup-type anemometer, a thermal anemometer, ultrasonic sensing and laser doppler sensing, the real-time monitoring simulation system is specifically wind wheel monitoring, generator monitoring, tower monitoring, battery charging controller monitoring, inverter monitoring, unloader monitoring, grid-connected controller monitoring and battery pack monitoring, and the abnormal data includes: the system comprises a wind wheel, a generator, a tower, a storage battery charging controller, an inverter, an unloader, a grid-connected controller and data of a storage battery.
Preferably, the real-time monitoring simulation system specifically adopts a high-definition camera, a gravity sensing sensor, a temperature sensor, an oil gas consumption sensor, a lubricating oil leakage sensor, a circuit sensor, a sound sensor and a vibration sensor, wherein the classification system establishes eight primary catalog databases of east wind, south wind, west wind, north wind, southeast wind, southwest wind, north wind and north-east wind according to wind direction change data of the data classification system, sequentially establishes three secondary catalog databases of breeze, strong wind and super strong wind in the eight primary catalog databases according to wind direction change, establishes six tertiary catalog databases of 0, 1, 2, 3, 4 and 5 in the breeze secondary catalog database, establishes six tertiary catalog databases of 6, 7, 8, 9, 10 and 11 in the strong wind secondary catalog database, and establishes 12, 13, 14, 15, 16, 17 and 17+seven tertiary catalog databases in the super strong wind secondary catalog database; the data classification system establishes an equipment facility abnormal first-stage catalog database according to the abnormal data, and establishes eight secondary catalog databases of a wind wheel, a generator, a tower, a storage battery charging controller, an inverter, an unloader, a grid-connected controller and a storage battery in the equipment facility abnormal first-stage catalog database, wherein the eight secondary catalog databases are sequentially provided with nine tertiary catalog databases of abnormal functions, overheat high temperature, excessive oil and gas consumption, abnormal lubricating oil, electrical effects, abnormal noise, abnormal vibration, running and leakage and special odor.
Preferably, the data analysis system adopts one or a combination of a MapReduce algorithm, an Apache Hadoop algorithm, an HDFS algorithm, a Storm algorithm, a Samza algorithm, an Apache Spark algorithm or a Lambda algorithm, in the data master control system, if the real-time data information is abnormal data, the alarm is given priority, the alarm information is sent to the manager cloud, the manager issues an instruction to the abnormal data through the alarm information, if the real-time data information is changed data, the priority is decreased from super strong wind to weak wind, the super strong wind is transmitted to the manager cloud at the optimal and fastest speed, and the strong wind and the weak wind are transmitted to the manager cloud through general reminding.
Preferably, the data classification system adopts one or a combination of a k-nearest neighbor algorithm, a naive Bayesian algorithm, a decision tree algorithm, an artificial neural network algorithm or a Support Vector Machine algorithm.
Preferably, the data processing system adopts one or a combination of several DPS, hive, cassandra, hana, HBase, dremel, shark, the central control end adopts one or a combination of several modes of wired transmission, wireless transmission, traditional internet or mobile air network, wherein the wired transmission comprises one or a combination of several of electric wires, audio wires, switching value signal wires, RS232 serial ports, RS485 total or USB; the wireless transmission comprises one or a combination of a plurality of Bluetooth, zigBee, Z-ware or LoRa, the traditional Internet comprises one or a combination of a plurality of WIFI or Ethernet, and the mobile air network comprises one or a combination of a plurality of 2G, 3G, 4G or 5G.
Preferably, the administrator cloud is specifically one or a combination of several of an operation desk, a notebook computer, a desktop computer, a tablet computer, a mobile phone, a smart watch or a smart bracelet.
Preferably, when classifying the data, the information classification system sets a basic comparison group for the abnormal data and the change data, and the information classification system uses the basic comparison group as initial data to compare with the abnormal data and the change data and classifies the abnormal data and the change data according to the difference value between the abnormal data and the change data and the initial data.
Compared with the prior art, the utility model has the beneficial effects that: 1. according to the utility model, the damping simulation system is carried, so that the tower is subjected to damping protection in the hydraulic pitch-changing process of the blade, the influence of vibration generated by the pitch-changing on the tower is reduced through the damping simulation system, and the damping simulation system increases the stability of power output while reducing the influence of vibration on the tower, so that the working efficiency of the wind turbine generator is greatly improved.
2. According to the utility model, the wind speed measuring induction system is arranged, the wind direction and the wind speed are monitored through the wind speed measuring induction system, the wind speed can be predicted through the subtle change of the wind speed, the hydraulic pitch simulation system is controlled in advance to perform pitch-changing work, the pitch-changing angle of the blades is adjusted in advance, the wind speed measuring induction system can rapidly provide convenience for the time of pitch-changing in advance, and the situation that the pitch-changing work is performed again to cause time delay when the wind speed change difference is large is effectively reduced.
3. According to the utility model, the information collected by the wind speed measuring induction system is collected through the real-time monitoring simulation system, the data analysis system and the data classification system, the data are analyzed, the wind speed is divided into three large catalogue sets of strong wind, uniform speed and gentle wind according to the analyzed information, the data in each catalogue are analyzed through the single analysis system, the wind speed of each catalogue is divided into 1-10 grades of subdirectories, the data are fed back to the terminal control system through the information feedback system, the terminal control system adjusts the angle of the hydraulic pitch-variable simulation system to the blades, the angle of the blades can be controlled more accurately through the dividing catalogue and the subdirectories, and the self-power consumption is saved and the self-power efficiency is increased.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.
In the drawings:
FIG. 1 is a block diagram of a hydraulic pitch simulation system of a wind turbine;
FIG. 2 is a diagram of the steps involved in constructing a vibration damping simulation system according to the present utility model;
FIG. 3 is a flow chart of the hydraulic pitch simulation system of the wind turbine generator;
FIG. 4 is a step diagram of a data classification system according to the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1, the present utility model provides a technical solution: the hydraulic pitch simulation system of the wind turbine comprises a central control end, wherein the central control end is used for transmitting and storing all data in the hydraulic pitch simulation system of the wind turbine;
wind-force speed measurement induction system: the wind speed measuring induction system is used for inducing wind power and wind direction near the wind turbine generator set and transmitting data of the wind power and the wind direction;
real-time monitoring simulation system: the real-time monitoring simulation system is used for monitoring the wind power and the wind direction sensed by the wind power speed measuring sensing system and the working data of a wind wheel, a generator, a tower, a storage battery charging controller, an inverter, an unloader, a grid-connected controller and a storage battery pack in real time;
data analysis system: the data acquisition system is used for acquiring all real-time monitoring data of the real-time monitoring system, analyzing the data of all the acquired real-time monitoring data, filtering and screening out stable and fixed information, transmitting changed information data to the data classification system, wherein the changed information comprises: abnormal data and change data of wind power and wind direction;
data classification system: the data classification system is used for classifying the received change information, and after the data classification is finished, the data classification system transmits the classified abnormal data or change data to the data processing system in a recording mode of 'primary catalog database-secondary catalog database-tertiary catalog database-abnormal data/change data';
a data processing system: the data processing system is used for rapidly comparing the real-time data information of the received primary catalog database, the secondary catalog database, the tertiary catalog database and the abnormal data/change data with the established past information database, extracting effective information aiming at the data problem, and transmitting the real-time data information and the effective information to the central control end;
and the data total control system comprises: the data master control system is used for rapidly extracting real-time data information and effective information stored by the central control end, and an administrator rapidly makes instructions according to the effective information;
instruction feedback system: the command feedback system receives a command sent by the data master control system and transmits command data to the maintenance system or the hydraulic pitch simulation system according to the command sent by the master control system;
and (3) overhauling a system: the overhaul system is used for processing the instruction of the abnormal data, overhauling the abnormal data through the instruction issued by the administrator, and timely processing to ensure the normal use of the equipment;
hydraulic pitch simulation system: the hydraulic pitch-variable simulation system is used for quickly adjusting the pitch angle of the blade after receiving an instruction issued by the cloud of an administrator, changing the attack angle of air flow on the blade, controlling the rotating speed by controlling the pitch-variable angle when the wind power is large, and rotating the blade to increase the angle and increasing the rotating speed when the wind power is small;
hydraulic load system: the hydraulic load system is used for bearing loading, impedance matching and bearable power, when various resistances of the hydraulic cylinder are overcome, the hydraulic cylinder needs to generate enough thrust, the thrust is generated by the oil pressure in the hydraulic cylinder, and the larger the resistance to be overcome, the higher the oil pressure in the cylinder; conversely, the lower the pressure;
damping simulation system: the damping simulation system is used for damping and protecting the tower in the hydraulic variable pitch process of the blade, the damping simulation system reduces the influence of vibration on the tower, and the stability of output power is improved.
The sensing mechanism in the wind power speed measuring sensing system is specifically one or a combination of a plurality of cup-type anemometer, thermal anemometer, ultrasonic sensing and laser Doppler sensing, the real-time monitoring simulation system is specifically wind wheel monitoring, generator monitoring, tower monitoring, storage battery charging controller monitoring, inverter monitoring, unloader monitoring, grid-connected controller monitoring and storage battery monitoring, and abnormal data comprise: the real-time monitoring simulation system specifically adopts a high-definition camera, a gravity sensor, a temperature sensor, an oil gas consumption sensor, a lubricating oil leakage sensor, a circuit sensor, a sound sensor and a vibration sensor to mix smell sensors, a classification system establishes eight primary catalog databases of east wind, south wind, west wind, north wind, southeast wind, west wind and north wind according to wind direction change data of a data classification system, and sequentially establishes three secondary catalog databases of breeze, strong wind and super strong wind in the eight primary catalog databases according to wind direction change, six tertiary catalog databases of 0, 1, 2, 3, 4 and 5 are established in the breeze secondary catalog databases, six tertiary catalog databases of 6, 7, 8, 9, 10 and 11 are established in the strong wind secondary catalog databases, and three tertiary catalog databases of 12, 13, 14, 15, 17 and 17 are established in the super wind secondary catalog databases; the data classification system establishes an equipment facility abnormal first-level catalog database according to abnormal data, establishes eight second-level catalog databases of wind wheel, generator, tower, storage battery charging controller, inverter, unloader, grid-connected controller and storage battery in the equipment facility abnormal first-level catalog database, wherein the eight second-level catalog databases are sequentially provided with nine three-level catalog databases of abnormal functions, overheat high temperature, excessive oil and gas consumption, abnormal lubricating oil, electrical effect, abnormal sound, abnormal vibration, running and leakage and special odor, the data analysis system adopts one or a combination of a plurality of MapReduce algorithm, apache Hadoop algorithm, HDFS algorithm, storm algorithm, samza algorithm, apache Spark algorithm or Lambda algorithm, and in the data total control system, if the real-time data information is abnormal data, the data is preferentially warned, the method comprises the steps that alarm information is sent to an administrator cloud, if real-time data information is changed data through an alarm information issuing instruction of an administrator on abnormal data, priority is decreased from super strong wind to weak wind, the super strong wind is transmitted to the administrator cloud at the highest optimal speed, the strong wind and the weak wind are transmitted to the administrator cloud through general reminding, a data classification system adopts one or a combination of a plurality of k-nearest neighbor algorithms, naive Bayesian algorithms, decision tree algorithms, artificial neural network algorithms or Support Vector Machine algorithms, a data processing system adopts one or a combination of a plurality of DPS and Hive, cassandra, hana, HBase, dremel, shark, a central control end adopts one or a combination of a plurality of modes in wired transmission, wireless transmission, the traditional Internet or a mobile air network, and wired transmission comprises an electric wire, an audio wire, a switching value signal wire, an RS232 serial port, a data classification system, one or a combination of several of RS485 total and USB; the wireless transmission comprises one or more of Bluetooth, zigBee, Z-ware or LoRa, the traditional Internet comprises one or more of WIFI or Ethernet, the mobile air network comprises one or more of 2G, 3G, 4G or 5G, the cloud end of an administrator is specifically one or more of an operation desk, a notebook computer, a desktop computer, a tablet computer, a mobile phone, a smart watch or a smart bracelet, when the information classification system classifies data, the information classification system sets a basic comparison group for abnormal data and change data, the information classification system uses the basic comparison group as initial data, the abnormal data and the change data are compared, and the information classification system classifies the abnormal data and the difference value between the change data and the initial data.
Example 1
As shown in fig. 2, the shock absorption simulation system is constructed as follows:
s1: vibration induction: when the hydraulic pitch simulation system works, the condition of the tower is monitored in real time, when the state of the tower is relatively stable, an observed state is adopted, and if the tower is affected by vibration factors such as shaking or impact receiving and the like, information is transmitted in time;
s2: damping protection: and (2) collecting the information transmitted in the step (S1), rapidly processing the collected information, adjusting the level of shock absorption protection according to the shock intensity, and stabilizing the shock of the tower caused by the influence of external force factors.
Through the method, when the hydraulic pitching is carried out on the wind turbine, the damping simulation system is carried, the tower is subjected to damping protection in the hydraulic pitching process of the blades, the influence of vibration generated by pitching on the tower is reduced through the damping simulation system, the damping simulation system reduces the influence of vibration on the tower, and meanwhile, the stability of power output is improved, so that the working efficiency of the wind turbine is greatly improved.
Example two
As shown in fig. 3, the application flow of the hydraulic pitch simulation system of the wind turbine is as follows:
(1) the method comprises the following steps The wind speed measuring induction system measures wind power and wind direction in real time and transmits data to the wind power and wind direction;
(2) the method comprises the following steps The real-time monitoring simulation system monitors working data of wind power and wind direction sensed by the wind power speed measuring sensing system, a wind wheel, a generator, a tower, a storage battery charging controller, an inverter, an unloader, a grid-connected controller and a storage battery pack in real time;
(3) the method comprises the following steps The data analysis system collects real-time monitoring data, performs data analysis on all the collected real-time monitoring data, filters and screens out stable and fixed information, and transmits changed information data to the data classification system, wherein the changed information comprises: abnormal data of a wind wheel, a generator, a tower, a storage battery charging controller, an inverter, an unloader, a grid-connected controller and a storage battery pack, and change data of wind power and wind direction;
(4) the method comprises the following steps After the data classification system classifies the data, the classified abnormal data or change data is used for establishing an overall clear file in a recording mode of a primary catalog database, a secondary catalog database, a tertiary catalog database, abnormal data/change data, transmitting the overall clear file to a data processing system and transmitting the data;
(5) the method comprises the following steps The instruction feedback system transmits the instructions to the maintenance system and the hydraulic pitch simulation system according to the instructions issued by the data master control system and the instructions transmitted by the primary catalog database, the secondary catalog database, the tertiary catalog database and the abnormal data/change data;
(6) the method comprises the following steps The hydraulic pitch simulation system performs pitch operation according to the instruction, the hydraulic load system bears loading, impedance matching and bearable power, and the damping simulation system performs damping protection on the tower.
According to the method, when the hydraulic pitch of the wind turbine is carried out, the wind speed measuring induction system is arranged, the wind direction and the wind speed are monitored through the wind speed measuring induction system, the wind speed can be predicted through the small change of the wind speed, the hydraulic pitch-changing simulation system is controlled in advance to carry out pitch-changing work, the adjustment of the pitch-changing angle of the blades is carried out in advance, the wind speed measuring induction system can rapidly provide convenience conditions for the time of advance pitch-changing, and the situation that the pitch-changing time is delayed due to the fact that the pitch-changing work is carried out when the wind speed change difference is large is effectively reduced.
Example III
As shown in fig. 4, the data classification system steps are as follows:
(1) collecting abnormal data/change data;
(2) adding a self reference control group;
(3) respectively establishing a primary catalog database, a secondary catalog database and a tertiary catalog database;
(4) and comparing the reference control group data with the collected abnormal data/change data, and sequentially classifying and storing the abnormal data/change data and the reference control group data in a primary catalog database, a secondary catalog database and a tertiary catalog database according to the difference value.
It is noted that relational terms such as first and second, and the like are 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. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, 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, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A wind turbine generator system hydraulic variable pitch simulation system is characterized in that: the system comprises a central control end, wherein the central control end is used for transmitting and storing all data in a hydraulic pitch-variable simulation system of the wind turbine;
wind-force speed measurement induction system: the wind speed measurement induction system is used for inducing wind power and wind direction near the wind turbine generator set and transmitting data of the wind power and the wind direction;
real-time monitoring simulation system: the real-time monitoring simulation system is used for monitoring working data of wind power and wind direction sensed by the wind power speed measuring sensing system, a wind wheel, a generator, a tower, a storage battery charging controller, an inverter, an unloader, a grid-connected controller and a storage battery pack in real time;
data analysis system: the data acquisition system is used for acquiring all real-time monitoring data of the real-time monitoring system, analyzing the data of all the acquired real-time monitoring data, filtering and screening out stable and fixed information, and transmitting changed information data to the data classification system, wherein the changed information comprises: abnormal data and change data of wind power and wind direction;
data classification system: the data classification system is used for classifying the received change information, and after the data classification is finished, the data classification system transmits the classified abnormal data or change data to the data processing system in a recording mode of 'primary catalog database-secondary catalog database-tertiary catalog database-abnormal data/change data';
a data processing system: the data processing system is used for rapidly comparing the real-time data information of the received primary catalog database, the secondary catalog database, the tertiary catalog database, the abnormal data/change data with the established past information database, extracting effective information aiming at the data problem, and transmitting the real-time data information and the effective information to the central control end;
and the data total control system comprises: the data master control system is used for rapidly extracting the real-time data information and the effective information stored by the central control end, and an administrator rapidly makes instructions according to the effective information;
instruction feedback system: the command feedback system receives a command sent by the data master control system and transmits command data to the maintenance system or the hydraulic pitch simulation system according to the command sent by the master control system;
and (3) overhauling a system: the overhaul system is used for processing the instruction of the abnormal data, overhauling the abnormal data through the instruction issued by the administrator, and timely processing to ensure the normal use of the equipment;
hydraulic pitch simulation system: the hydraulic pitch-variable simulation system is used for quickly adjusting the pitch angle of the blade after receiving an instruction issued by an administrator in the cloud, changing the attack angle of air flow on the blade, controlling the rotating speed by controlling the pitch-variable angle when the wind power is large, and rotating the blade to increase the angle and increasing the rotating speed when the wind power is small;
hydraulic load system: the hydraulic load system is used for bearing loading, impedance matching and bearable power, when various resistances of the hydraulic cylinder are overcome, the hydraulic cylinder needs to generate enough thrust, the thrust is generated by the oil pressure in the hydraulic cylinder, and the larger the resistance to be overcome, the higher the oil pressure in the cylinder; conversely, the lower the pressure;
damping simulation system: the damping simulation system is used for damping protection of the tower in the hydraulic variable pitch process of the blade, reduces the influence of vibration on the tower through the damping simulation system, and increases the stability of output power.
2. The wind turbine hydraulic pitch simulation system according to claim 1, wherein: the induction mechanism in the wind power speed measurement induction system is specifically one or a combination of a plurality of cup-type anemometer, thermal anemometer, ultrasonic induction and laser Doppler induction, the real-time monitoring simulation system is specifically wind wheel monitoring, generator monitoring, tower monitoring, storage battery charging controller monitoring, inverter monitoring, unloader monitoring, grid-connected controller monitoring and storage battery monitoring, and the abnormal data comprises: the system comprises a wind wheel, a generator, a tower, a storage battery charging controller, an inverter, an unloader, a grid-connected controller and data of a storage battery.
3. The wind turbine hydraulic pitch simulation system according to claim 2, wherein: the real-time monitoring simulation system specifically adopts a high-definition camera, a gravity sensing sensor, a temperature sensor, an oil gas consumption sensor, a lubricating oil leakage sensor, a circuit sensor, a sound sensor and a vibration sensor, wherein the classification system establishes eight primary catalog databases of southeast wind, southwest wind, north wind, southwest wind, northwest wind and northeast wind according to wind direction change data according to data of the data classification system, sequentially establishes three secondary catalog databases of breeze, strong wind and super wind in the eight primary catalog databases according to wind direction change, establishes six tertiary catalog databases of 0, 1, 2, 3, 4 and 5 in the breeze secondary catalog database, establishes six tertiary catalog databases of 6, 7, 8, 9, 10 and 11 in the strong wind secondary catalog database, and establishes 12, 13, 14, 15, 16, 17 and 17+seven tertiary catalog databases in the wind super secondary catalog database; the data classification system establishes an equipment facility abnormal first-stage catalog database according to the abnormal data, and establishes eight secondary catalog databases of a wind wheel, a generator, a tower, a storage battery charging controller, an inverter, an unloader, a grid-connected controller and a storage battery in the equipment facility abnormal first-stage catalog database, wherein the eight secondary catalog databases are sequentially provided with nine tertiary catalog databases of abnormal functions, overheat high temperature, excessive oil and gas consumption, abnormal lubricating oil, electrical effects, abnormal noise, abnormal vibration, running and leakage and special odor.
4. The wind turbine hydraulic pitch simulation system according to claim 1, wherein: the data analysis system adopts one or more of MapReduce algorithm, apache Hadoop algorithm, HDFS algorithm, storm algorithm, samza algorithm, apache spark algorithm or Lambda algorithm, in the data total control system, if the real-time data information is abnormal data, the alarm information is preferentially sent to the manager cloud, if the real-time data information is changed data, the manager sends an instruction to the abnormal data through the alarm information, the priority is decreased from super strong wind, strong wind and weak wind, the super strong wind is transmitted to the manager cloud at the optimal and fastest speed, and the strong wind and the weak wind are transmitted to the manager cloud through general reminding.
5. The wind turbine hydraulic pitch simulation system according to claim 1, wherein: the data classification system adopts one or a combination of a plurality of k-NearestNeighbor algorithm, naive Bayesian algorithm, decision tree algorithm, artificial neural network algorithm or supplementarily vector machine algorithm.
6. The wind turbine hydraulic pitch simulation system according to claim 1, wherein: the data processing system adopts one or a combination of a plurality of DPS, hive, cassandra, hana, HBase, dremel, shark, and the central control end adopts one or a combination of a plurality of modes of wired transmission, wireless transmission, traditional internet or mobile air network, wherein the wired transmission comprises one or a combination of a plurality of electric wires, audio wires, switching value signal wires, RS232 serial ports, RS485 total or USB; the wireless transmission comprises one or a combination of a plurality of Bluetooth, zigBee, Z-ware or LoRa, the traditional Internet comprises one or a combination of a plurality of WIFI or Ethernet, and the mobile air network comprises one or a combination of a plurality of 2G, 3G, 4G or 5G.
7. The wind turbine hydraulic pitch simulation system according to claim 1, wherein: the administrator cloud is specifically one or a combination of a plurality of operation desk, notebook computer, desktop computer, tablet personal computer, mobile phone, intelligent watch or intelligent bracelet.
8. The wind turbine hydraulic pitch simulation system according to claim 1, wherein: when classifying data, the information classification system sets a basic comparison group for the abnormal data and the change data, and the information classification system uses the basic comparison group as initial data to compare with the abnormal data and the change data and classifies the abnormal data and the difference value between the change data and the initial data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320139492.7U CN219605464U (en) | 2023-02-07 | 2023-02-07 | Hydraulic variable pitch simulation system of wind turbine generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320139492.7U CN219605464U (en) | 2023-02-07 | 2023-02-07 | Hydraulic variable pitch simulation system of wind turbine generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219605464U true CN219605464U (en) | 2023-08-29 |
Family
ID=87754540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320139492.7U Active CN219605464U (en) | 2023-02-07 | 2023-02-07 | Hydraulic variable pitch simulation system of wind turbine generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219605464U (en) |
-
2023
- 2023-02-07 CN CN202320139492.7U patent/CN219605464U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10530290B2 (en) | System and method for hybrid power generation | |
| CN104620458B (en) | Determine the method and power plant controller of each set point in power plant controller | |
| US8912674B2 (en) | System and method of selecting wind turbine generators in a wind park for change of output power | |
| CA2829677C (en) | System and method of selecting wind turbine generators in a wind park for curtailment of output power to provide a wind reserve | |
| CN102108943B (en) | Wind power generation system | |
| CN110469456B (en) | Wind power plant intelligent control method and system for reducing pitch fatigue | |
| CN103912448A (en) | Method for monitoring power characteristics of units of regional wind farms | |
| CN103779947A (en) | Variable-pitch super capacitor charging system having online monitoring function for wind driven generator | |
| CN115065104A (en) | Micro-grid multi-energy integrated dispatching system | |
| CN112287531A (en) | Offshore wind farm multi-state reliability obtaining method considering typhoon influence | |
| CN113595235A (en) | Energy storage management system based on ubiquitous power Internet of things | |
| CN108988381B (en) | Low voltage ride through control method, device and system for wind generating set | |
| CN219605464U (en) | Hydraulic variable pitch simulation system of wind turbine generator | |
| CN106849138B (en) | A kind of energy storage configuration method based on butterworth filter | |
| CN116292081A (en) | Hydraulic variable pitch simulation system of wind turbine generator | |
| CN106677985A (en) | Wind turbine generator set evaluation system and predictive control service system thereof | |
| CN105649896A (en) | Intelligent monitoring operation control system for wind turbine unit and control method thereof | |
| CN114819362A (en) | Power grid power load balancing method for wind-solar power system | |
| CN209086732U (en) | A kind of building wind energy management system of anti-high wind | |
| CN210090326U (en) | Wind turbine generator system blade surface defect detecting system | |
| CN111997845A (en) | Control system and method for wind turbine generator | |
| CN111439161A (en) | Optimization control system based on new energy automobile battery | |
| CN104022521A (en) | Renewable energy generating output power automatic stabilization control method and apparatus | |
| CN105699894B (en) | A kind of wind-driven generator on-line monitoring method and system | |
| CN109611279A (en) | A kind of off-network type wind generator system and its optimal frequency tracking and controlling method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |