CN205779469U - The urgent yaw control device of wind power generating set - Google Patents
The urgent yaw control device of wind power generating set Download PDFInfo
- Publication number
- CN205779469U CN205779469U CN201620458883.5U CN201620458883U CN205779469U CN 205779469 U CN205779469 U CN 205779469U CN 201620458883 U CN201620458883 U CN 201620458883U CN 205779469 U CN205779469 U CN 205779469U
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- CN
- China
- Prior art keywords
- yaw
- urgent
- control device
- overspeed
- generating set
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- 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.)
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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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- Wind Motors (AREA)
Abstract
This utility model provides a kind of urgent yaw control device of wind power generating set, the yaw system electrically connected with power-supply system including power-supply system, described power-supply system includes electric network source, described yaw system includes the yaw motor that converter electrically connects with converter, also include accessing power-supply system, under electromotor overspeed situation, control the overspeed control system of yaw system action.At blower fan, emergency occurs, such as electromotor is in overspeed condition for a long time and causes down machine or substantial equipment accident etc., can start urgent yaw control device adjust blower fan towards, or electric network source burst power-off can rely on stand-by power supply to be that urgent yaw control device is powered, thus carry out yaw maneuver, it is that blower fan is in a safe condition, it is to avoid cause heavy economic losses.
Description
Technical field
This utility model relates to control technology on wind electricity generation unit field, is specifically related to a kind of wind power generating set and promptly goes off course control
Device.
Background technology
Wind direction has randomness, is always constantly changing.During in order to make wind wheel normally work, wind wheel blade faces wind always
Direction, to make full use of the energy of wind, installs adjusted device on the rotary base of cabin, and the adjusted device of wind power generating set claims
For yaw device.Yaw device can adjust axial fan hub towards the angle with wind direction, is divided into active yawing and passive yawing two kinds,
Active yawing refer to apply hydraulic pressure and electronic mode by adjusting axial fan hub towards the angle with wind direction, enable blower fan in time with
The change of track wind direction, captures bigger wind energy.
The most conventional active yawing device can cause down when electromotor exceeds the speed limit for a long time in blower fan system action under normal circumstances
Machine but can not start yaw device active yawing, or when not carrying out partially under wind power generating set electric network source burst powering-off state
Boat action, so cannot rely on when blower fan is in an emergency yaw device to protect blower fan, can cause damage blower fan, also
Heavy economic losses can be suffered.
Utility model content
This utility model provides a kind of urgent yaw control device of wind power generating set, when blower fan is in an emergency, such as
Long-time hypervelocity causes down machine or electric network source burst power-off etc., it is possible to start urgent yaw control device, adjust blower fan towards,
Make blower fan in a safe condition.
The urgent yaw control device of wind power generating set that this utility model provides, electrically connects with power-supply system including power-supply system
Yaw system, it is inclined that described power-supply system includes that electric network source, described yaw system include that converter electrically connects with converter
Avionics machine.
On the basis of existing technology, this utility model also makes following improvement: described yaw control device also includes accessing power supply
System, controls the overspeed control system of yaw system action under electromotor overspeed situation.
Further, described power-supply system also includes connecting with electric network source and keeps the stand-by power supply of floating charging state.
Further, described overspeed control system include Switching Power Supply, speed proximity switch, overspeed relay, catalyst, time
Between relay, described speed proximity switch, overspeed relay, catalyst, the time relay are connected in parallel Switching Power Supply, described
One of them overspeed relay of speed proximity switch and overspeed relay switch is connected, another overspeed relay of described overspeed relay
Switch is connected in series with the time relay, catalyst respectively, and a contactless contactor of described catalyst switchs with the time relay
Being connected with the time relay and catalyst respectively after series connection, described catalyst also has two contactless contactors to be connected with converter.
Further, described speed proximity switch is arranged on generator casing, is used for measuring generator speed.
Further, described overspeed relay is arranged in fan engine room switch board, for detecting the frequency of speed proximity switch
Signal.
Further, described yaw system also includes connecting converter and the switch of yaw motor electricity.
Preferably, described stand-by power supply is super capacitor group, inputs as 400VAC, is output as 450VDC, and capacity is 200F.
Preferably, described yaw motor is the motor of power 3kW, and rated voltage is 400V, band-type brake mode be electric band-type brake, mistake
Electricity is opened.
Preferably, the rated current of described converter is not less than 30A.
The beneficial effects of the utility model:
Emergency occur at blower fan, such as electromotor is in overspeed condition for a long time and causes down machine or substantial equipment accident etc.,
Can start urgent yaw control device adjust blower fan towards, or electric network source burst power-off stand-by power supply can be relied on to be urgent
Yaw control device is powered, thus carries out yaw maneuver, is that blower fan is in a safe condition, it is to avoid cause heavy economic losses.
Accompanying drawing explanation
Fig. 1 is this utility model embodiment electrical schematic diagram.
Accompanying drawing marks:
G1 is electric network source, and G2 is Switching Power Supply, and A is converter, and B is speed proximity switch, and C is stand-by power supply, M1-M3
For yaw motor, K1 is catalyst, and K1.1, K1.2, K1.3 are contactless contactor, and K2 is overspeed relay, K2.1, K2.2
Switching for overspeed relay, T is the time relay, and T1.1 is time relay switch, and Q1-Q3 is switch.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
This utility model is further elaborated.Should be appreciated that specific embodiment described herein is used only for explaining this practicality
Novel, it is impossible to be interpreted as the restriction of protection domain concrete to this utility model.
Embodiment
The urgent yaw control device of wind power generating set of the present embodiment includes power-supply system, for powering to yaw control device, and institute
State power-supply system and include electric network source G1, connect with electric network source G1 and keep the stand-by power supply C of floating charging state, described standby electricity
Source C is super capacitor group, inputs as 400VAC, is output as 450VDC, and capacity is 200F.Described yaw control device is normal
During work, stand-by power supply C is constantly in floating charging state, it is ensured that the capacity of stand-by power supply C is in high state.When electrical network electricity
In the case of the G1 power-off of source, if blower fan fails shutdown of normally putting away the oars, stand-by power supply C starts.
Also including the yaw system electrically connected with power-supply system, described yaw system includes that frequency converter A electrically connects with frequency converter A
Three yaw motors M1, M2, M3, and connect three switch Q1 of frequency converter A and yaw motor M1, M2, M3, Q2,
Q3.Described yaw motor M1, M2, M3 be all power be the motor of 3kW, rated voltage is 400V, band-type brake mode be electric
Band-type brake, dead electricity are opened.The rated current of described frequency converter A is not less than 30A.
Also include accessing power-supply system, under electromotor overspeed situation, control the overspeed control system of yaw system action, described
Overspeed control system includes Switching Power Supply G2, speed proximity switch B, overspeed relay K2, catalyst K1, time relay T,
Described speed proximity switch B, overspeed relay K2, catalyst K1, time relay T are connected in parallel Switching Power Supply G2, described
One of them overspeed relay of speed proximity switch B and overspeed relay K2 switch K2.2 is connected, and described overspeed relay K2 is another
One overspeed relay switch K2.1 is connected in series with time relay T, catalyst K1 respectively, and one of described catalyst K1 connects
Tentaculum switch K1.1 and time relay switch T1.1 is connected with time relay T and catalyst K1 after connecting respectively, described in connect
Tentaculum K1 also has two contactless contactors K1.2, K1.3 to be connected with frequency converter A.Described speed proximity switch B is arranged on generating
On machine shell, it is used for measuring generator speed.Described overspeed relay K2 is arranged in fan engine room switch board, is used for detecting speed
The frequency signal of degree proximity switch B, described overspeed relay K2 sets threshold value, after the frequency detected exceedes this threshold value,
Overspeed relay K2 action.The threshold value of described overspeed relay K2 arranges the protection rotating speed according to electromotor and overspeed relay
The umber of pulse that K2 measures calculates, such as: the protection rotating speed of electromotor is 2500rpm, and the umber of pulse of measurement is 2, then surpass
Speed relay K 2 arranges threshold value and is: 2500*2/60=83.33.
Negotiation speed proximity switch B measures the rotating speed of electromotor, when generator speed is more than 2500rpm, overspeed relay K2
Action, the overspeed relay switch k2.1 adhesive of overspeed relay K2, time relay T and catalyst K1 obtains electric, catalyst
Contactless contactor K1.2, K1.3 adhesive of K1, frequency converter A energising work, the electronic band-type brake of yaw motor M1, M2, M3 and
Water brake is fully open, and frequency converter A controls yaw motor M1, M2, M3 and carries out yaw maneuver, makes blower fan deviate prevailing wind direction,
Within forcing generator speed to drop to safety range.Speed according to driftage is 0.6 °/s, and urgent yaw control device is at least wanted
Run 100s, make wind power generating set towards deviation wind direction at least 60 °, complete yaw maneuver.
Claims (9)
1. the urgent yaw control device of wind power generating set, the yaw system electrically connected with power-supply system including power-supply system,
Described power-supply system includes that electric network source, described yaw system include the yaw motor that converter electrically connects with converter, and it is special
Levy and be: also include accessing power-supply system, under electromotor overspeed situation, control the overspeed control system of yaw system action.
The urgent yaw control device of wind power generating set the most according to claim 1, it is characterised in that: described power-supply system
Also include connecting with electric network source and keep the stand-by power supply of floating charging state.
The urgent yaw control device of wind power generating set the most according to claim 1, it is characterised in that: described hypervelocity controls
System includes Switching Power Supply, speed proximity switch, overspeed relay, catalyst, the time relay, described speed proximity switch,
Overspeed relay, catalyst, the time relay are connected in parallel Switching Power Supply, and described speed proximity switch is with overspeed relay wherein
One overspeed relay switch connects, another overspeed relay of described overspeed relay switch respectively with the time relay, catalyst
Be connected in series, after the switch series connection of a contactless contactor of described catalyst and the time relay respectively with the time relay and contacting
Device connects, and described catalyst also has two contactless contactors to be connected with converter.
The urgent yaw control device of wind power generating set the most according to claim 3, it is characterised in that: described speed is close
Switch is arranged on generator casing, is used for measuring generator speed.
The urgent yaw control device of wind power generating set the most according to claim 3, it is characterised in that: described hypervelocity relay
Device is arranged in fan engine room switch board, for detecting the frequency signal of speed proximity switch.
The urgent yaw control device of wind power generating set the most according to claim 1, it is characterised in that: described yaw system
Also include connecting converter and the switch of yaw motor electricity.
The urgent yaw control device of wind power generating set the most according to claim 2, it is characterised in that: described stand-by power supply
For super capacitor group, inputting as 400VAC, be output as 450VDC, capacity is 200F.
The urgent yaw control device of wind power generating set the most according to claim 2, it is characterised in that: described yaw motor
For the motor of power 3kW, rated voltage is 400V, band-type brake mode be electric band-type brake, dead electricity are opened.
The urgent yaw control device of wind power generating set the most according to claim 1, it is characterised in that: described converter
Rated current is not less than 30A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620458883.5U CN205779469U (en) | 2016-05-19 | 2016-05-19 | The urgent yaw control device of wind power generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620458883.5U CN205779469U (en) | 2016-05-19 | 2016-05-19 | The urgent yaw control device of wind power generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205779469U true CN205779469U (en) | 2016-12-07 |
Family
ID=58118251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620458883.5U Expired - Fee Related CN205779469U (en) | 2016-05-19 | 2016-05-19 | The urgent yaw control device of wind power generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205779469U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787973A (en) * | 2016-12-12 | 2017-05-31 | 北京金风科创风电设备有限公司 | Drive control device and method for yaw motor of wind generating set |
| CN114382645A (en) * | 2021-12-03 | 2022-04-22 | 重庆海装风电工程技术有限公司 | Wind generating set crosswind yaw electrical control system and method and generating set |
-
2016
- 2016-05-19 CN CN201620458883.5U patent/CN205779469U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787973A (en) * | 2016-12-12 | 2017-05-31 | 北京金风科创风电设备有限公司 | Drive control device and method for yaw motor of wind generating set |
| CN106787973B (en) * | 2016-12-12 | 2019-08-23 | 北京金风科创风电设备有限公司 | Drive control device and method for yaw motor of wind generating set |
| US10998845B2 (en) | 2016-12-12 | 2021-05-04 | Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd. | Drive control apparatus and method for yaw motor of wind turbine |
| CN114382645A (en) * | 2021-12-03 | 2022-04-22 | 重庆海装风电工程技术有限公司 | Wind generating set crosswind yaw electrical control system and method and generating set |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20190519 |