CN202250602U - Yaw control system of wind driven generator - Google Patents
Yaw control system of wind driven generator Download PDFInfo
- Publication number
- CN202250602U CN202250602U CN2011202916480U CN201120291648U CN202250602U CN 202250602 U CN202250602 U CN 202250602U CN 2011202916480 U CN2011202916480 U CN 2011202916480U CN 201120291648 U CN201120291648 U CN 201120291648U CN 202250602 U CN202250602 U CN 202250602U
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- yaw
- driftage
- motor
- cabin
- driven generator
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses a yaw control system of a wind driven generator. The system comprises a wind speed anemoscope, an engine room position detection device, a main controller, at least one yaw motor and a yaw frequency converter, wherein the wind speed anemoscope is used for detecting the current wind direction; the engine room position detection device is used for detecting the current position of an engine room; the main controller is used for calculating an engine room yaw expected value according to the acquired engine room yaw expected value information and the current position information and then generating a control instruction; the at least one yaw motor is used for driving the engine room to rotate, and the yaw frequency converter is used for acquiring the control instruction to control the action of the yaw motor; and the yaw frequency converter is respectively connected with the main controller and each yaw motor, and the main controller is respectively connected with the wind speed anemoscope and the engine room position detection device. By using the frequency converter to control the yaw motors, the setting and control on the yaw speed can be realized, so that the fan can be better controlled and the impulse current of the motor can be buffered in the starting and stopping state of yaw actions.
Description
Technical field
The utility model relates to a kind of wind driven generator yaw system, relates in particular to a kind of wind driven generator yaw control system.
Background technique
In Large-scale Wind Turbines; According to the anemoclinograph signal through yaw system realize the cabin to the wind function; It is mobile that one side can be controlled in the wind wheeling rotor zone energy in the wind to greatest extent, can reduce the fatigue load of blower fan on the other hand.
Comparatively popular yaw system all uses motor as final controlling element in large-scale wind driven generator at present; Electronic yaw system generally is directly connected to yaw motor on the three-phase alternating-current supply; Through the adhesive and the direction of breaking off the rotation of control yaw motor of relay, and motor speed is constant all the time and uncontrollable.Yaw motor drives yawing reducer and rotates, and the mechanical rigid engagement through speed reducer small gear and driftage bearing bull gear is rotated the cabin.
Yet along with the continuous development of blower fan control technique, constant all the time yawing velocity can not satisfy blower fan control and require.Yawing velocity was different when for example blower fan was in generating state and treats the wind state, during the typhoon wind regime during with general wind regime yawing velocity also be different.
The model utility content
The utility model provides a kind of wind driven generator yaw control system; In order to solve defective of the prior art; Realize control through the driftage frequency variator to yaw motor; Realization is to the setting of yawing velocity, satisfies under different conditions the flexible adjustment of yawing velocity, makes blower fan can reach better control effect.
The utility model embodiment provides a kind of wind driven generator yaw control system, comprise the anemoclinograph, the cabin position detecting device that is used to detect the cabin current location that are used to detect current wind direction, be used for according to the cabin driftage expected value information of obtaining and current location information calculate cabin driftage expected value and form control command master controller, be used to drive at least one yaw motor that rotates in the cabin and obtain this control command to control the driftage frequency variator of said yaw motor action; Said driftage frequency variator is connected respectively with said cabin position detecting device with said anemoclinograph, said master controller with said each yaw motor, said master controller with said master controller, said driftage frequency variator.
Wherein, said master controller is PLC, and said PLC is provided with communication interface with the driftage frequency variator, connects through Field bus between the said communication interface.Said Field bus is CAN bus or PROFIBUS bus etc.
Further, said anemoclinograph is arranged on said nacelle top.
Further, said yaw motor is an asynchronous motor.
Particularly, every said yaw motor and a yawing reducer are in transmission connection, and the gear of said yawing reducer all meshes with said driftage bearing gear ring.
The wind driven generator yaw control system that the utility model provides; Adopt the Frequency Converter Control yaw motor can realize the setting and the control of yawing velocity; Make blower fan can reach better control effect, and can when yaw maneuver startup and halted state, play buffer function the electromechanical shock electric current.Simultaneously, the driftage frequency variator can also be monitored the running state of yaw motor in real time.
Description of drawings
Fig. 1 is the structured flowchart of the utility model.
Reference character:
The 1-anemoclinograph; 2-cabin position detecting device; The 3-master controller;
The 4-frequency variator of going off course; The 5-yaw motor; The 6-yawing reducer;
7-driftage bearing gear ring; The 8-CAN bus.
Embodiment
For the purpose, technological scheme and the advantage that make the utility model embodiment clearer; To combine the accompanying drawing among the utility model embodiment below; Technological scheme among the utility model embodiment is carried out clear, intactly description; Obviously, described embodiment is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1; The utility model embodiment provides a kind of wind driven generator yaw control system, this system comprises the anemoclinograph 1, the cabin position detecting device 2 that is used to detect the cabin current location that are used to detect current wind direction, be used for according to the cabin driftage expected value information of obtaining and current location information calculate cabin driftage expected value and form control command master controller 3, be used to drive at least one yaw motor 5 that rotates in the cabin and obtain this control command to control the driftage frequency variator 4 of said yaw motor 5 actions; Driftage frequency variator 4 is connected respectively with cabin position detecting device 2 with anemoclinograph 1, master controller 3 with each yaw motor 5, master controller 3 with master controller 3, driftage frequency variator 4.
Anemoclinograph 1 is measured current wind direction; Cabin position detecting device 2 detects the cabin current location; Master controller 3 is gathered these current wind direction information the cabin with the cabin current location information and according to the information calculations of gathering driftage expected value formation control command; Send to driftage frequency variator 4 through communications system or data connecting line then; This driftage frequency variator 4 rotates according to this control command control yaw motor 5, drives yawing reducer 6 through yaw motor 5 then and rotates the purpose that reaches the cabin driftage.This driftage control system can also realize the health information of yaw motor 5 is gathered, and uploads to master controller 3 through communication network then, is convenient to field adjustable and the control when unit operation.
Compared with prior art; The described wind driven generator yaw control system of the utility model; Through driftage frequency variator 4 control yaw motors 5; Improved the dynamic characteristic that yaw motor 5 starts and stops, and can realize the angular velocity control of yaw system, made blower fan can reach better control effect.
The utility model is a large-scale wind driven generator driftage control system; Master controller 3 is responsible for collections, processing data and is sent instruction to driftage frequency variator 4; Driftage frequency variator 4 receives one or more yaw motor 5 of command control and rotates; Yaw system adopts a frequency variator to drag the mode of four yaw motors 5 in the present embodiment, and yaw motor 5 mean allocation are around driftage bearing gear ring 7, and wherein yaw motor 5 adopts asynchronous motor; Every said yaw motor 5 and a yawing reducer 6 are in transmission connection, and the gear of yawing reducer 6 all meshes with driftage bearing gear ring 7.Through the gear of yawing reducer 6 and the mechanical rigid engagement of driftage bearing gear ring the cabin is rotated; And driftage frequency variator 4 feeds back to master controller 3 with the operation conditions of current yaw system, and operation conditions comprises that expectation is given, thermometry, voltage measurement, switching value input, switching value output etc.In this system; Adopt PLC as master controller 3; Frequency variator is as yaw motor 5 drivers; CAN bus 8 (or PROFIBUS bus) is as master controller 3 and the communications system of driftage between the frequency variator 4, and anemoclinograph 1 is installed in the top in cabin, and cabin position detecting device 2 is installed on the driftage bearing gear ring 7 or is installed on yawing reducer 6 and driftage bearing gear ring 7 meshed gears.
Adopt 4 pairs of yaw motors 5 of driftage frequency variator to start and when shutting down, transient time is adjustable, speed is steady and electric current is less, and yaw motor 5 is protected.
Above-mentioned wind generating set yaw control system can realize the control of 3 pairs of yaw systems of master controller through communications system; It can realize going off course control of angle and angular velocity; For realizing that more advanced person's blower fan control strategy is had laid a good foundation, guarantee that blower fan can be in best running state.The wind driven generator yaw control system of the utility model; Through driftage frequency variator 4 control yaw motors 5; Improved the dynamic characteristic that yaw motor 5 starts and stops, and can realize the angular velocity control of yaw system, made blower fan can reach better control effect.
What should explain at last is: above embodiment is only in order to the technological scheme of explanation the utility model, but not to its restriction; Although the utility model has been carried out detailed explanation with reference to previous embodiment; Those of ordinary skill in the art is to be understood that: it still can be made amendment to the technological scheme that aforementioned each embodiment put down in writing, and perhaps part technical characteristics wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of each embodiment's technological scheme of essence disengaging the utility model of relevant art scheme.
Claims (5)
1. wind driven generator yaw control system; It is characterized in that; Comprise the anemoclinograph, the cabin position detecting device that is used to detect the cabin current location that are used to detect current wind direction, be used for according to the cabin driftage expected value information of obtaining and current location information calculate cabin driftage expected value and form control command master controller, be used to drive at least one the yaw motor that rotate in the cabin, and be used to obtain said control command to control the driftage frequency variator of said yaw motor action; Said driftage frequency variator is connected respectively with said cabin position detecting device with said anemoclinograph, said master controller with each yaw motor, said master controller with said master controller, said driftage frequency variator.
2. wind driven generator yaw control system according to claim 1 is characterized in that, said master controller is PLC, and said PLC is provided with communication interface with the driftage frequency variator, connects through Field bus between the said communication interface.
3. wind driven generator yaw control system according to claim 2 is characterized in that said anemoclinograph is arranged on said nacelle top.
4. according to claim 1,2 or 3 described wind driven generator yaw control system, it is characterized in that said yaw motor is an asynchronous motor.
5. wind driven generator yaw control system according to claim 4 is characterized in that, every said yaw motor and a yawing reducer are in transmission connection, and the gear of each yawing reducer all meshes with said driftage bearing gear ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202916480U CN202250602U (en) | 2011-08-11 | 2011-08-11 | Yaw control system of wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202916480U CN202250602U (en) | 2011-08-11 | 2011-08-11 | Yaw control system of wind driven generator |
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| Publication Number | Publication Date |
|---|---|
| CN202250602U true CN202250602U (en) | 2012-05-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202916480U Expired - Lifetime CN202250602U (en) | 2011-08-11 | 2011-08-11 | Yaw control system of wind driven generator |
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| CN (1) | CN202250602U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865191A (en) * | 2012-10-23 | 2013-01-09 | 南车株洲电力机车研究所有限公司 | Novel real-time damping control method of yaw system of wind generating set |
| CN104153949A (en) * | 2014-07-24 | 2014-11-19 | 大唐（赤峰）新能源有限公司 | Condition monitoring device for slidably yaw system of wind generator |
| CN104196680A (en) * | 2014-09-05 | 2014-12-10 | 南京达沙信息科技有限公司 | Draught fan foreseeable yaw control system based on imminent prediction |
| CN104632526A (en) * | 2015-02-06 | 2015-05-20 | 沈阳华创风能有限公司 | Yaw-control system and method based on frequency converter effective damping |
| CN105089930A (en) * | 2015-07-21 | 2015-11-25 | 三一重型能源装备有限公司 | Yaw control method and yaw hydraulic control system of wind driven generator |
| CN104153949B (en) * | 2014-07-24 | 2017-01-04 | 大唐（赤峰）新能源有限公司 | Wind-driven generator slidingtype yaw system state monitoring apparatus |
| CN108223276A (en) * | 2017-12-29 | 2018-06-29 | 华润新能源（临武）风能有限公司 | Yaw control method, yaw control device |
| CN108843497A (en) * | 2018-06-29 | 2018-11-20 | 北京金风科创风电设备有限公司 | Yaw control method and equipment of wind generating set |
| US10215156B2 (en) | 2015-05-04 | 2019-02-26 | General Electric Company | Autonomous yaw control for a wind turbine |
| CN111140433A (en) * | 2020-03-05 | 2020-05-12 | 成都思特电气科技有限公司 | Wind turbine generator system frequency conversion device and driftage system |
-
2011
- 2011-08-11 CN CN2011202916480U patent/CN202250602U/en not_active Expired - Lifetime
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102865191B (en) * | 2012-10-23 | 2014-10-29 | 南车株洲电力机车研究所有限公司 | Novel real-time damping control method of yaw system of wind generating set |
| CN102865191A (en) * | 2012-10-23 | 2013-01-09 | 南车株洲电力机车研究所有限公司 | Novel real-time damping control method of yaw system of wind generating set |
| CN104153949B (en) * | 2014-07-24 | 2017-01-04 | 大唐（赤峰）新能源有限公司 | Wind-driven generator slidingtype yaw system state monitoring apparatus |
| CN104153949A (en) * | 2014-07-24 | 2014-11-19 | 大唐（赤峰）新能源有限公司 | Condition monitoring device for slidably yaw system of wind generator |
| CN104196680A (en) * | 2014-09-05 | 2014-12-10 | 南京达沙信息科技有限公司 | Draught fan foreseeable yaw control system based on imminent prediction |
| CN104632526A (en) * | 2015-02-06 | 2015-05-20 | 沈阳华创风能有限公司 | Yaw-control system and method based on frequency converter effective damping |
| CN104632526B (en) * | 2015-02-06 | 2017-12-15 | 沈阳华创风能有限公司 | Yaw system and driftage method based on frequency converter effective damping |
| US10215156B2 (en) | 2015-05-04 | 2019-02-26 | General Electric Company | Autonomous yaw control for a wind turbine |
| CN105089930A (en) * | 2015-07-21 | 2015-11-25 | 三一重型能源装备有限公司 | Yaw control method and yaw hydraulic control system of wind driven generator |
| CN105089930B (en) * | 2015-07-21 | 2018-06-29 | 三一重型能源装备有限公司 | A kind of Yaw control method of wind-driven generator and yaw hydraulic control system |
| CN108223276A (en) * | 2017-12-29 | 2018-06-29 | 华润新能源（临武）风能有限公司 | Yaw control method, yaw control device |
| CN108843497A (en) * | 2018-06-29 | 2018-11-20 | 北京金风科创风电设备有限公司 | Yaw control method and equipment of wind generating set |
| CN108843497B (en) * | 2018-06-29 | 2019-08-02 | 北京金风科创风电设备有限公司 | Yaw control method and equipment of wind generating set |
| CN111140433A (en) * | 2020-03-05 | 2020-05-12 | 成都思特电气科技有限公司 | Wind turbine generator system frequency conversion device and driftage system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |
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| CX01 | Expiry of patent term |