CN114114468B - Device for improving wind power prediction accuracy - Google Patents
Device for improving wind power prediction accuracy Download PDFInfo
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- CN114114468B CN114114468B CN202111382800.0A CN202111382800A CN114114468B CN 114114468 B CN114114468 B CN 114114468B CN 202111382800 A CN202111382800 A CN 202111382800A CN 114114468 B CN114114468 B CN 114114468B
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- wind power
- power prediction
- limiting block
- female seat
- outer sleeve
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/10—Devices for predicting weather conditions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
- G01L11/04—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by acoustic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/88—Sonar systems specially adapted for specific applications
- G01S15/885—Meteorological systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
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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
Abstract
The invention discloses a device for improving the accuracy of wind power prediction, which comprises a prediction component, a wind power prediction component and a wind power prediction component, wherein the prediction component comprises an acquisition unit, an information data unit, a data processing unit and an information output unit; and the connecting assembly comprises a male head piece and a female seat piece. The device has the advantages of convenience, practicability, simplicity and firmness in connection of equipment through the arrangement of the prediction assembly and the connection assembly, and can improve the accuracy of wind power output power prediction.
Description
Technical Field
The invention relates to the technical field of power systems, in particular to a device for improving wind power prediction accuracy.
Background
The wind power prediction technology is used for predicting the power output by a wind power place in a future period of time so as to arrange a scheduling plan. This is because wind energy belongs to unstable energy with random fluctuation, and large-scale wind power is incorporated into the system, which inevitably brings new challenges to the stability of the system. The power generation dispatching mechanism needs to know the wind power output power for hours in the future. The method is divided according to the output prediction time scale of the wind power plant, and comprises long-term prediction, medium-term prediction, short-term prediction and ultra-short-term prediction. The wind power prediction accuracy is improved, the rotating reserve capacity of the power system can be reduced, the system operation economy is improved, the peak load regulation capacity of the power system is improved, the new energy grid-connected capacity is increased, the new energy utilization rate is improved, the electric field operation management level is optimized, the maintenance plan is reasonably arranged, and the economic benefit of new energy operation enterprises is improved.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems with the prior art apparatus for improving wind power prediction accuracy.
Therefore, the problems to be solved by the invention are that the output power of the wind power generation of the common wind power prediction device is inaccurate in prediction, poor in maneuverability and complex in connection.
In order to solve the technical problems, the invention provides the following technical scheme: the device for improving the wind power prediction accuracy comprises a prediction component, a wind power prediction component and a wind power prediction component, wherein the prediction component comprises an acquisition unit, an information data unit, a data processing unit and an information output unit; and the connecting assembly comprises a male head piece and a female seat piece.
As a preferable solution of the apparatus for improving wind power prediction accuracy of the present invention, wherein: the collecting unit comprises an environment detector, a wind sound radar and a wind measuring tower, the information data unit comprises a weather forecast platform and a weather data processing server, the data processing unit comprises a data integration component and a power prediction processing server, and the information output unit comprises a man-machine interaction workstation and a dispatching center.
As a preferable solution of the apparatus for improving wind power prediction accuracy of the present invention, wherein: the male head piece comprises an outer sleeve and a switch groove formed in the outer wall of the outer sleeve.
As a preferable solution of the apparatus for improving wind power prediction accuracy of the present invention, wherein: the male head piece further comprises a connecting column arranged inside the outer sleeve and a moving groove arranged between the connecting column and the outer sleeve.
As a preferable solution of the apparatus for improving wind power prediction accuracy of the present invention, wherein: the male part further comprises an inner sleeve arranged in the moving groove, a switch arranged on the outer wall of the outer sleeve and a first spring arranged between the inner sleeve and the outer sleeve.
As a preferable solution of the apparatus for improving wind power prediction accuracy of the present invention, wherein: the female seat piece comprises a connecting seat, a jack arranged in the middle of the connecting seat and a socket arranged at the bottom of the jack.
As a preferable solution of the apparatus for improving wind power prediction accuracy of the present invention, wherein: the female seat piece further comprises mounting grooves formed in two sides of the jack and limiting blocks arranged inside the mounting grooves.
As a preferable solution of the apparatus for improving wind power prediction accuracy of the present invention, wherein: the female seat piece further comprises a second spring and a telescopic block which are arranged inside the limiting block, and a first rotating shaft which is rotatably connected with the limiting block.
As a preferable solution of the apparatus for improving wind power prediction accuracy of the present invention, wherein: female seat spare still including set up in the stopper top with third spring between the mounting groove inner wall, set up in the connecting rod of stopper top another side, and with the second axis of rotation that the connecting rod rotates to be connected.
As a preferable solution of the apparatus for improving wind power prediction accuracy of the present invention, wherein: the female seat piece further comprises a pressing rod arranged at the end part of the connecting rod, a pressing block arranged at the end part of the pressing rod, and a fourth spring arranged between the other end part of the pressing rod and the inner wall of the mounting groove.
The invention has the beneficial effects that: the device has the advantages of convenience, practicability, simplicity and firmness in connection of equipment through the arrangement of the prediction assembly and the connection assembly, and can improve the accuracy of wind power output power prediction.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
FIG. 1 is a diagram of the overall application scenario of the device for improving the wind power prediction accuracy.
Fig. 2 is an overall configuration diagram of a connection module of the device for improving wind power prediction accuracy.
FIG. 3 is a diagram of a male member of the apparatus for improving wind power prediction accuracy.
FIG. 4 is a cross-sectional view of a male member of the apparatus for improving wind power prediction accuracy.
FIG. 5 is a diagram of the internal structure of the female housing of the device for improving the accuracy of wind power prediction.
FIG. 6 is an internal view of the male member mated with the female member of the apparatus for improving wind power prediction accuracy.
Fig. 7 is a structure diagram of a limiting block of the device for improving the accuracy of wind power prediction.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1, a first embodiment of the present invention provides an apparatus for improving accuracy of wind power prediction, which includes a prediction component 100 and a connection component 200, wherein the accuracy of wind power prediction can be improved by the prediction component 100, and signal connection between devices can be made more convenient, simpler and firmer by the connection component 200.
Specifically, the prediction component 100 includes an acquisition unit 101, an information data unit 102, a data processing unit 103, and an information output unit 104. The acquisition unit 101 can acquire data of environmental parameters and wind turbine parameters; the information data unit 102 is mainly used for acquiring real-time and historical weather information; the data processing unit 103 mainly performs data preprocessing on the acquired data; the information output unit 104 will form a data value for feedback.
Preferably, the connection assembly 200 includes a male member 201 and a female member 202. The male member 201 and the female member 202 may be disposed at the ends of a data transmission cable for ease of disassembly and reassembly.
Preferably, the acquisition unit 101 comprises an environment detector 101a, a wind sodar 101b and a wind measuring tower 101c, the information data unit 102 comprises a weather forecast platform 102a and a weather data processing server 102b, the data processing unit 103 comprises a data integration component 103a and a power prediction processing server 103b, and the information output unit 104 comprises a human-computer interaction workstation 104a and a dispatching center 104 b. The weather forecast platform 102a may employ the european mid-term weather forecast center ECMWF, the chinese weather bureau, and the high-precision digital professional electric weather forecast data. Wind power plant data are preprocessed through the integration component 103a and the power prediction processing server 103b, redundant data are removed, empirical mode decomposition, modeling, weight vector calculation and wind power prediction are carried out, and prediction data values are formed and sent to corresponding network servers.
When the wind power generation system is used, firstly, environmental parameters, the total number of running fans, the number of fault fans, the total on-grid electricity quantity, the 24h load size and the average wind speed, the wind speed and the wind direction of each fan 24h, the rotor rotating speed, the active power and the reactive power are measured through the environment detector 101a, the wind sound radar 101b and the wind measuring tower 101c, and are transmitted to the integration part 103a for data processing. Meanwhile, weather forecast data is obtained in real time and processed, the collected environmental data and the weather forecast data are sent to the power prediction processing server 103b through the router, the wind power plant data are preprocessed, redundant data are removed, empirical mode decomposition, modeling, weight vector calculation and wind power prediction are carried out, a prediction data value is formed and sent to the network server, and the prediction data value is sent to the human-computer interaction workstation 104a or the scheduling center 104b so that a worker can know the situation and carry out power grid scheduling.
Example 2
Referring to fig. 2 to 7, a second embodiment of the present invention is based on the above embodiment.
Specifically, the male component 201 includes an outer sleeve 201a, and a switch slot 201a-1 disposed on an outer wall of the outer sleeve 201 a. The end of the outer sleeve 201a is fixedly connected with the signal transmission cable, and the switch slot 201a-1 is used for sliding the switch 201 d-1.
Preferably, the male component 201 further comprises a connection post 201b disposed inside the outer sleeve 201a, and a moving groove 201c disposed between the connection post 201b and the outer sleeve 201 a. The middle lower part of the connecting column 201b is provided with an inverted cone-shaped annular gap, the bottom of the connecting column is provided with a signal connector 201b-1, and the connecting column 201b is fixedly connected with the inside of the outer sleeve 201 a.
Preferably, the male member 201 further includes an inner sleeve 201d disposed inside the moving groove 201c, a switch 201d-1 disposed on an outer wall of the outer sleeve 201a, and a first spring 201e disposed between the inner sleeve 201d and the outer sleeve 201 a. The bottom of the inner sleeve 201d protrudes from the rest and has the same diameter as the outer diameter of the outer sleeve 201 a. The switch 201d-1 is fixedly connected with the inner sleeve 201d and can slide in the switch slot 201 a-1. The first spring 201e is an extension spring, mainly used for resetting the inner sleeve 201d, and is fixedly connected with the inner sleeve 201d and the inner top wall of the outer sleeve 201 a.
Preferably, the female socket member 202 includes a connector holder 202a, a receptacle 202a-1 provided at a middle portion of the connector holder 202a, and a receptacle 202b provided at a bottom portion of the receptacle 202 a-1. The receptacle 202a-1 is shaped to conform to the outer sleeve 201a and the receptacle 202b mates with the signal connector 201 b-1.
Preferably, the female seat member 202 further includes mounting grooves 202c disposed at both sides of the insertion hole 202a-1, and a stopper 202d disposed inside the mounting grooves 202 c. The limiting block 202d can be designed into the shape as shown in the figure, and a part of the structure is normally arranged in the insertion hole 202a-1, and the structural shape of the part is matched with the inverted cone-shaped annular notch at the middle lower part of the connecting column 201b, so that the connecting column 201b can conveniently enter but the connecting column 201b can be prevented from exiting.
Preferably, the female seat member 202 further includes a second spring 202d-1 and a telescopic block 202d-2 disposed inside the limiting block 202d, and a first rotating shaft 202e rotatably connected to the limiting block 202 d. The second spring 202d-1 is a compression spring, and is mainly used for resetting the telescopic block 202d-2, and the telescopic block 202d-2 is slidably connected with the limiting block 202d and can be retracted into the limiting block 202 d. The stopper 202d is pressed to be rotatable about the first rotation axis 202 e.
Preferably, the female seat member 202 further includes a third spring 202f disposed between the top of the limiting block 202d and the inner wall of the mounting groove 202c, a connecting rod 202g disposed at the other side of the top of the limiting block 202d, and a second rotating shaft 202h rotatably connected to the connecting rod 202 g. The third spring 202f is an elastic spring, which can be compressed or extended, and is mainly used for fixing and resetting the position of the limit block 202 d. One end of the connecting rod 202g is in contact fit with the top of the stopper 202d and can rotate around the second rotating shaft 202 h.
Further, the female seat member 202 further includes a pressing rod 202i disposed at an end of the connecting rod 202g, a pressing block 202i-1 disposed at an end of the pressing rod 202i, and a fourth spring 202j disposed between another end of the pressing rod 202i and an inner wall of the mounting groove 202 c. The middle part of the pressure lever 202i is rotatably connected with the connecting rod 202g through a pin shaft. The shape of the pressing block 202i-1 is matched with the shape of the outer wall of the connecting column 201b, so that the pressing block 202i-1 can be conveniently and tightly pressed on the connecting column 201 b. The fourth spring 202j is an extension spring and is mainly used for resetting the pressure lever 202 i.
When the connecting piece is used, in the process of inserting the male head piece 201 into the female seat piece 202, the bottom of the connecting column 201b firstly extrudes the limiting block 202d, so that the limiting block 202d rotates downwards around the first rotating shaft 202e, when the limiting block reaches a notch, the limiting block 202d rebounds under the action of the third spring 202f, the connecting column 201b is clamped, and at the moment, the connecting column 201b cannot be separated. When the connecting column 201b tends to be separated outwards, the limiting block 202d is blocked from rotating upwards, at the moment, the top of the limiting block 202d pushes the connecting rod 202g to rotate around the second rotating shaft 202h, so as to further drive the pressing rod 202i to move towards the connecting column 201b, and at the moment, the pressing block 202i-1 can be tightly pressed on the connecting column 201b to prevent the connecting column 201b from being separated, so that the connection stability is ensured. When the pressing block 202i-1 presses the connecting column 201b, a part of pressure of the position of the limiting block 202d can be shared, damage caused by overlarge stress is prevented, and the service life of the connecting column is prolonged. When the male head piece 201 needs to be detached, the switch 201d-1 is pushed by fingers to drive the inner sleeve 201d to move downwards, the bottom of the inner sleeve 201d can extrude the telescopic block 202d-2 on the limiting block 202d to be retracted into the telescopic block 202d-2, the male head piece 201 can be pulled out smoothly, and the whole process is simple to use, compact in structure and convenient to detach.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (2)
1. An apparatus for improving wind power prediction accuracy, comprising: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the prediction component (100) comprises a collection unit (101), an information data unit (102), a data processing unit (103) and an information output unit (104); and the number of the first and second groups,
a connection assembly (200) comprising a male member (201), a female seat member (202);
the male head piece (201) comprises an outer sleeve (201 a) and a switch groove (201 a-1) arranged on the outer wall of the outer sleeve (201 a);
the male member (201) further comprises a connecting column (201 b) arranged inside the outer sleeve (201 a), and a moving groove (201 c) arranged between the connecting column (201 b) and the outer sleeve (201 a);
the male member (201) further comprises an inner sleeve (201 d) arranged inside the moving groove (201 c), a switch (201 d-1) arranged on the outer wall of the inner sleeve (201 d), and a first spring (201 e) arranged between the inner sleeve (201 d) and the outer sleeve (201 a);
the female seat piece (202) comprises a connecting seat (202 a), a jack (202 a-1) arranged in the middle of the connecting seat (202 a), and a socket (202 b) arranged at the bottom of the jack (202 a-1);
the female seat piece (202) further comprises mounting grooves (202 c) arranged on two sides of the jack (202 a-1) and a limiting block (202 d) arranged in the mounting grooves (202 c);
the female seat piece (202) further comprises a second spring (202 d-1) and a telescopic block (202 d-2) which are arranged inside the limiting block (202 d), and a first rotating shaft (202 e) which is rotatably connected with the limiting block (202 d);
the female seat piece (202) further comprises a third spring (202 f) arranged between the top of the limiting block (202 d) and the inner wall of the mounting groove (202 c), a connecting rod (202 g) arranged on the other side of the top of the limiting block (202 d), and a second rotating shaft (202 h) rotatably connected with the connecting rod (202 g);
the female seat piece (202) further comprises a pressing rod (202 i) arranged at the end part of the connecting rod (202 g), a pressing block (202 i-1) arranged at the end part of the pressing rod (202 i), and a fourth spring (202 j) arranged between the other end part of the pressing rod (202 i) and the inner wall of the mounting groove (202 c).
2. The apparatus for improving wind power prediction accuracy of claim 1, wherein: the acquisition unit (101) comprises an environment detector (101 a), a wind sound radar (101 b) and a wind measuring tower (101 c), the information data unit (102) comprises a weather forecast platform (102 a) and a weather data processing server (102 b), the data processing unit (103) comprises a data integration component (103 a) and a power prediction processing server (103 b), and the information output unit (104) comprises a human-computer interaction workstation (104 a) and a dispatching center (104 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111382800.0A CN114114468B (en) | 2021-11-22 | 2021-11-22 | Device for improving wind power prediction accuracy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111382800.0A CN114114468B (en) | 2021-11-22 | 2021-11-22 | Device for improving wind power prediction accuracy |
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| Publication Number | Publication Date |
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| CN114114468A CN114114468A (en) | 2022-03-01 |
| CN114114468B true CN114114468B (en) | 2022-09-02 |
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| CN202111382800.0A Active CN114114468B (en) | 2021-11-22 | 2021-11-22 | Device for improving wind power prediction accuracy |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2605338A1 (en) * | 2011-12-15 | 2013-06-19 | Telegärtner Karl Gärtner Gmbh | Coaxial connector assembly |
| CN212434943U (en) * | 2020-06-16 | 2021-01-29 | 南京友勤电力工程有限公司 | Plug device for electric power |
| CN112329977A (en) * | 2020-09-10 | 2021-02-05 | 国家电网有限公司 | Wind power prediction system for extreme scene |
| CN213366950U (en) * | 2020-10-26 | 2021-06-04 | 西安鑫宇特微波电子科技有限公司 | Anti-drop's coaxial connector |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8840418B2 (en) * | 2012-12-13 | 2014-09-23 | Chao-Chuan Chien | Socket structure capable of preventing plug from detaching |
-
2021
- 2021-11-22 CN CN202111382800.0A patent/CN114114468B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2605338A1 (en) * | 2011-12-15 | 2013-06-19 | Telegärtner Karl Gärtner Gmbh | Coaxial connector assembly |
| CN212434943U (en) * | 2020-06-16 | 2021-01-29 | 南京友勤电力工程有限公司 | Plug device for electric power |
| CN112329977A (en) * | 2020-09-10 | 2021-02-05 | 国家电网有限公司 | Wind power prediction system for extreme scene |
| CN213366950U (en) * | 2020-10-26 | 2021-06-04 | 西安鑫宇特微波电子科技有限公司 | Anti-drop's coaxial connector |
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| CN114114468A (en) | 2022-03-01 |
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