CN215109269U - Wind driven generator electric control system - Google Patents
Wind driven generator electric control system Download PDFInfo
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- CN215109269U CN215109269U CN202121353909.7U CN202121353909U CN215109269U CN 215109269 U CN215109269 U CN 215109269U CN 202121353909 U CN202121353909 U CN 202121353909U CN 215109269 U CN215109269 U CN 215109269U
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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 relates to a aerogenerator electrical system, its technical scheme main points are: the wind driven generator comprises a controller, a rectifying module, a first energy storage module, a second energy storage module and a measuring module, wherein the rectifying module is used for being electrically connected with a wind driven generator; the input end of the first energy storage module is electrically connected with the rectifying module, and the output end of the first energy storage module is electrically connected with the controller; the measuring module and the second energy storage module are electrically connected with the controller; the wind power generation system has the effect of improving the conversion rate of the electric energy under unstable wind power or low wind speed.
Description
Technical Field
The utility model relates to a aerogenerator technical field, more specifically say, it relates to a aerogenerator electrical system.
Background
The wind power generator is an electric power device which converts wind energy into mechanical work, and the mechanical work drives a rotor to rotate so as to finally output alternating current. The wind driven generator comprises a fixed pitch adjusting wind driven generator; the fixed pitch adjustment type wind power generator generally includes: a generator, blades and a hub; the blades are arranged on the hub; the hub is arranged on the generator; the connection between the blades of the fixed pitch adjusting type wind driven generator and the hub is fixed, and when the wind speed changes, the windward angle of the blades cannot change along with the change.
In addition, under the condition that the wind speed is higher than the rated wind speed, airflow can generate vortex on the surface of the blade, the efficiency is reduced, stall is generated, stall regulation of the fixed pitch regulation type wind driven generator is completed by the blade, when the change of the output power caused by the change of the wind speed is only controlled by the passive stall regulation of the blade without any control of an electric control system, and under the condition of unstable wind or low wind speed, the wind driven generator has little chance to operate in the optimal state, so the wind driven generator is often in the condition of low efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a aerogenerator electrical system has the functional advantage that has improved the conversion rate of electric energy under unstable wind-force or the low wind speed.
The above technical purpose of the present invention can be achieved by the following technical solutions:
an electrical control system for a wind turbine, comprising: the wind driven generator comprises a controller, a rectifying module, a first energy storage module, a second energy storage module and a measuring module, wherein the rectifying module is electrically connected with the wind driven generator, the first energy storage module is used for storing electric energy lower than a preset voltage, the second energy storage module is used for storing the electric energy reaching the preset voltage, and the measuring module is used for detecting the rotating speed of the wind driven generator and the surrounding environment of the wind driven generator; the input end of the first energy storage module is electrically connected with the rectifying module, and the output end of the first energy storage module is electrically connected with the controller; and the measuring module and the second energy storage module are electrically connected with the controller.
Optionally, the first energy storage module includes: a capacitor and a charging unit for preventing current from flowing from the capacitor to the wind power generator; the second energy storage module includes: a battery; one end of the capacitor is electrically connected with the rectifying module, and the other end of the capacitor is electrically connected with the input end of the charging unit; the output end of the charging unit and the battery are electrically connected with the controller.
Optionally, the measurement module includes: a temperature sensor, a humidity sensor, a salinity sensor and a rotating speed sensor; and the temperature sensor, the humidity sensor, the salinity sensor and the rotating speed sensor are all electrically connected with the controller.
Optionally, the method further includes: a metering module and a frequency counter; the metering module is electrically connected with the controller; the frequency counter is electrically connected with the metering module.
Optionally, the system further comprises a display screen; the display screen is electrically connected with the controller.
Optionally, the system further comprises a communication module; the communication module is electrically connected with the controller.
Optionally, the method further includes: air switches and relays; the first energy storage module is electrically connected with the controller through an air switch; the relay is electrically connected with the controller.
Optionally, the rectifying module is a bridge rectifier.
To sum up, the utility model discloses following beneficial effect has: the first energy storage module accumulates the voltage generated by breeze, namely the electric energy lower than the preset voltage, and the second energy storage module is charged through the controller after the preset voltage is accumulated, so that the conversion rate of the electric energy under unstable wind power or low wind speed is greatly improved; the controller can detect the rotating speed of the wind driven generator according to the rotating speed sensor, prevent the generator of the wind driven generator from being damaged due to the fact that the rotating speed of the wind driven generator is too large, and play a role in protecting the wind driven generator.
Drawings
Fig. 1 is a circuit block diagram of the present invention.
In the figure: 100. a controller; 200. a rectification module; 300. a first energy storage module; 301. a capacitor; 302. a charging unit; 400. a battery; 500. a measurement module; 501. a rotational speed sensor; 502. a temperature sensor; 503. a salinity sensor; 504. a humidity sensor; 600. a metering module; 700. a frequency counter; 800. a display screen; 900. a communication module; 110. an air switch; 120. a relay.
Detailed Description
In order to make the objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. Several embodiments of the invention are given in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature. The terms "vertical," "horizontal," "left," "right," "up," "down," and the like are used for descriptive purposes only and are not intended to indicate or imply that the referenced device or element must be in a particular orientation, constructed and operated, and therefore should not be construed as limiting the present invention.
The present invention will be described in detail with reference to the accompanying drawings and examples.
The utility model provides a aerogenerator electrical system, as shown in FIG. 1, include: the wind power generation system comprises a controller 100, a rectifying module 200 electrically connected with the wind power generator, a first energy storage module 300 for storing electric energy lower than a preset voltage, a second energy storage module for storing the electric energy reaching the preset voltage, and a measuring module 500 for detecting the rotating speed of the wind power generator and the surrounding environment of the wind power generator; the input end of the first energy storage module 300 is electrically connected with the rectification module 200, and the output end is electrically connected with the controller 100; the measurement module 500 and the second energy storage module are both electrically connected to the controller 100.
In practical application, the input end of the rectifying module 200 is electrically connected with the wind driven generator, and the output end is electrically connected with the input end of the first energy storage module 300; the load is electrically connected with the controller 100 or the second energy storage module; the controller 100 adopts a single chip microcomputer to realize corresponding functions; after the electric energy generated by the wind driven generator is rectified by the rectifying module 200, the first energy storage module 300 is charged, and after the preset voltage is reached, the second energy storage module is charged through the controller 100; after the second energy storage module is fully charged, the controller 100 transmits the electric energy generated by the wind driven generator to a load electrically connected with the controller 100 or a load electrically connected with the second energy storage module to work, so that the electric energy in the second energy storage module is consumed, and the service life of the battery 400 is prolonged; through the setting of first energy storage module 300 and second energy storage module, electromagnetic resistance when having reduced the power consumption, first energy storage module 300 accumulates the voltage of breeze electricity generation that is less than predetermined voltage's electric energy, and rethread controller 100 charges to the second energy storage module after accumulating predetermined voltage, has greatly improved the conversion rate of electric energy under unstable wind-force or the low wind speed.
Further, the first energy storage module 300 includes: a capacitor 301 and a charging unit 302 for preventing current from flowing from said capacitor 301 to the wind turbine; the second energy storage module includes: a battery 400; one end of the capacitor 301 is electrically connected with the rectifying module 200, and the other end of the capacitor is electrically connected with the input end of the charging unit 302; the output of the charging unit 302 and the battery 400 are electrically connected to the controller 100.
In practical application, through the arrangement of the charging unit 302, current can be prevented from flowing from the capacitor 301 to the wind driven generator, and the function of preventing the current from flowing backwards is achieved; specifically, after the electric energy stored in the capacitor 301 reaches a predetermined voltage, the controller 100 controls the electric energy to charge the battery 400, and the load connected to the battery 400 is in an operating state after the battery 400 is fully charged or during the charging of the battery 400.
Further, the measurement module 500 includes: a temperature sensor 502, a humidity sensor 504, a salinity sensor 503 and a rotation speed sensor 501; the temperature sensor 502, the humidity sensor 504, the salinity sensor 503 and the rotation speed sensor 501 are all electrically connected with the controller 100.
In practical application, the temperature sensor 502 can detect the temperature around the wind driven generator, the humidity sensor 504 can detect the humidity in the air around the wind driven generator, and the salinity sensor 503 can detect the salinity in the air around the wind driven generator, so that managers can know the environment around the wind driven generator in real time, and open a fan, a dehumidifier and the like according to the environment around the wind driven generator, so as to prevent the temperature or the humidity from influencing the operation of the system. The wind driven generator is characterized in that a brake pad and a driving assembly for driving the brake pad to move are further arranged on the wind driven generator, the driving assembly is a cylinder, a motor and/or a gear, and the brake pad is fixedly connected with the driving assembly; the driving assembly is electrically connected with the controller 100, and after the rotation speed sensor 501 detects that the rotation speed of the wind driven generator is greater than the preset rotation speed, the controller 100 controls the driving assembly to drive the brake pad to decelerate the wind driven generator, so that damage to the generator of the wind driven generator due to the fact that the rotation speed of the wind driven generator is too large is prevented, and the effect of protecting the wind driven generator is achieved.
Further, still include: metering module 600 and frequency counter 700; the metering module 600 is electrically connected with the controller 100; the frequency counter 700 is electrically connected to the metering module 600. In practical application, the metering module 600 is further electrically connected with a sampling module, the sampling module is used for measuring three-phase current signals and three-phase voltage signals, and the metering module 600 obtains accurate values of parameters such as active power, reactive power and energy according to the three-phase current signals and the three-phase voltage signals by adopting a metering chip.
Further, a display screen 800 is also included; the display screen 800 is electrically connected to the controller 100. Through the setting of display screen 800, after temperature sensor 502, humidity transducer 504, salinity sensor 503 and rotational speed sensor 501 gathered corresponding data, controller 100 can deliver this data for display screen 800, shows through display screen 800, and the parameter that obtains in the measurement module 600 also can show through display screen 800, and the managers of being convenient for is to the control of the running state of this system.
Further, a communication module 900 is also included; the communication module 900 is electrically connected to the controller 100. In practical application, the wind driven generator is usually arranged in a remote mountain area or on the sea, and can communicate with a terminal through the arrangement of the communication module 900, the data detected by the monitoring module and the data monitored by the metering module 600 are transmitted to the terminal, the communication module 900 adopts wireless communication modes such as 3G, 4G, 5G or WiFi, the terminal is a mobile phone, an iPad, a computer and the like, and real-time monitoring of the wind driven generator is facilitated.
Further, still include: an air switch 110 and a relay 120; the charging unit 302 is electrically connected with the controller 100 through the air switch 110; the relay 120 is electrically connected to the controller 100. Through the arrangement of the air switch 110 and the relay 120, under the condition of overlarge voltage, the air switch 110 can disconnect the electric connection between the charging unit 302 and the controller 100, so that the protection of the controller 100 is enhanced, and the relay 120 also has the function of a protection circuit, so that the protection of the system is enhanced.
Further, the rectifier module 200 is a bridge rectifier. The current output by the wind driven generator can be rectified by the arrangement of the bridge rectifier.
The utility model discloses a aerogenerator electrical system, through the setting of first energy storage module 300 and second energy storage module, electromagnetic resistance when having reduced the power consumption, first energy storage module 300 accumulates the voltage of breeze electricity generation that is less than predetermined voltage's electric energy, and rethread controller 100 charges second energy storage module after accumulating predetermined voltage, has greatly improved the conversion rate of electric energy under unstable wind-force or the low wind speed; the controller 100 can detect the rotation speed of the wind turbine based on the rotation speed sensor 501, prevent the generator of the wind turbine from being damaged due to the excessive rotation speed of the wind turbine, and protect the wind turbine.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. An electric control system for a wind turbine, comprising: the wind driven generator comprises a controller, a rectifying module, a first energy storage module, a second energy storage module and a measuring module, wherein the rectifying module is electrically connected with the wind driven generator, the first energy storage module is used for storing electric energy lower than a preset voltage, the second energy storage module is used for storing the electric energy reaching the preset voltage, and the measuring module is used for detecting the rotating speed of the wind driven generator and the surrounding environment of the wind driven generator; the input end of the first energy storage module is electrically connected with the rectifying module, and the output end of the first energy storage module is electrically connected with the controller; and the measuring module and the second energy storage module are electrically connected with the controller.
2. The wind turbine electrical system of claim 1, wherein the first energy storage module comprises: a capacitor and a charging unit for preventing current from flowing from the capacitor to the wind power generator; the second energy storage module includes: a battery; one end of the capacitor is electrically connected with the rectifying module, and the other end of the capacitor is electrically connected with the input end of the charging unit; the output end of the charging unit and the battery are electrically connected with the controller.
3. Wind turbine electrical system according to claim 1, characterized in that said measurement module comprises: a temperature sensor, a humidity sensor, a salinity sensor and a rotating speed sensor; and the temperature sensor, the humidity sensor, the salinity sensor and the rotating speed sensor are all electrically connected with the controller.
4. The wind turbine electrical system according to claim 1, further comprising: a metering module and a frequency counter; the metering module is electrically connected with the controller; the frequency counter is electrically connected with the metering module.
5. The wind turbine electric control system according to any one of claims 1 to 4, further comprising a display screen; the display screen is electrically connected with the controller.
6. The wind turbine electrical system according to any one of claims 1 to 4, further comprising a communication module; the communication module is electrically connected with the controller.
7. The wind turbine electrical system according to any one of claims 1 to 4, further comprising: air switches and relays; the first energy storage module is electrically connected with the controller through an air switch; the relay is electrically connected with the controller.
8. The electrical system for wind turbines according to any of the claims from 1 to 4, characterized in that said rectifying module is a bridge rectifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121353909.7U CN215109269U (en) | 2021-06-17 | 2021-06-17 | Wind driven generator electric control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121353909.7U CN215109269U (en) | 2021-06-17 | 2021-06-17 | Wind driven generator electric control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215109269U true CN215109269U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121353909.7U Active CN215109269U (en) | 2021-06-17 | 2021-06-17 | Wind driven generator electric control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215109269U (en) |
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2021
- 2021-06-17 CN CN202121353909.7U patent/CN215109269U/en active Active
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