CN107620670A - A kind of anti-hypervelocity Yaw control method of Wind turbines - Google Patents
A kind of anti-hypervelocity Yaw control method of Wind turbines Download PDFInfo
- Publication number
- CN107620670A CN107620670A CN201610551186.9A CN201610551186A CN107620670A CN 107620670 A CN107620670 A CN 107620670A CN 201610551186 A CN201610551186 A CN 201610551186A CN 107620670 A CN107620670 A CN 107620670A
- Authority
- CN
- China
- Prior art keywords
- yaw
- control
- driftage
- forced
- degree
- 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.)
- Pending
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
Landscapes
- Wind Motors (AREA)
Abstract
The invention discloses a kind of anti-hypervelocity Yaw control method of Wind turbines, addition forces driftage button and its opened point is accessed into digital data acquisition module 103,DI4 8 in Wind turbines switch board, long distance forced driftage control and long-range release automatic forced driftage control are added in Central Control Room monitoring software, the coil drive for the control contactor 336K4 that goes off course is terminated into digital output module 403,DO4 4, invention is by optimizing program, driftage logic control program is forced in increase, so that unit is after theft-resistant link chain disconnection, still can be gone off course, and automatic 90 degree of prevailing wind direction of deviation.After paddle change system of wind turbines emergency feathering disabler, this Yaw control method can be used for emergency processing, reduce wheel speed, protect wind turbine transmission chain, add the security of system, reduce the possibility of unit driving.
Description
Technical field
The present invention relates to the anti-hypervelocity driftage control technology field of Wind turbines, more particularly to a kind of anti-hypervelocity of Wind turbines are inclined
Boat control method.
Background technology
As wind-power electricity generation constantly develops, the safe and stable operation of unit equipment receives extensive concern.Wherein wind-force
Generating set when failure triggers, unit can safely and conveniently shut down it is particularly important to the safety of Wind turbines, if wind turbine
Group failure can not put away the oars in time, and impeller will constantly absorb wind energy with maximum windward side, then due to inertia, wheel speed will
It is lasting to rise, or even exceed unit rated speed under high wind conditions, unit is in the running status being in extreme danger, or even can lead
Cause Wind turbines driving, leaf destruction, collapse accident.
Wind turbines prevent unit hypervelocity from relying primarily on pitch control to carry out at present, when wheel speed is more than specified turn
When fast, pitch-controlled system control blade is put away the oars to be absorbed so as to reduce unit wind energy, reduces wheel speed.When wheel speed reaches unit
Exceed the speed limit definite value, and control system theft-resistant link chain will disconnect, and unit enters emergency shutdown pattern, and pitch-controlled system can promptly withdraw vane angle
To 92 degree of homes, now unit wind energy absorbability is minimum.I.e. Wind turbines prevent the key of hypervelocity from depending entirely on change
The reliability of oar system.
In the current design of unit, yaw control system is constrained by theft-resistant link chain, i.e., after theft-resistant link chain disconnects, control system is prohibited
Only yaw maneuver.And pitch-controlled system emergency feathering function can cause unit safety chain to disconnect once failing.
The content of the invention
To solve technical problem present in background technology, the present invention proposes that one kind can be commented on any webpage,
Yaw maneuver is opened by yaw motor electric brake on the premise of theft-resistant link chain closes, goes off course and soft open enabled, hydraulic station and partly let out
The a series of actions such as pressure, complete driftage.
Therefore, the invention provides a kind of anti-hypervelocity Yaw control method of Wind turbines, add in Wind turbines switch board
Strengthen system driftage button and its opened point is accessed into digital data acquisition module 103DI4-8, added in Central Control Room monitoring software remote
Journey forces driftage control and long-range release automatic forced driftage control, and the coil drive for the control contactor 336K4 that goes off course is terminated
To digital output module 403DO4-4.
Preferably, when manually pressed in air blower control cabinet force driftage button or control room long distance forced yaw-control signal hair
Go out or wheel speed>During 20rpm, unit, which enters, forces driftage state, forces the triggering of yaw maneuver signal, it is contemplated that unit exists
Prevent artificial maloperation from causing to force yaw maneuver to cause personnel to injure during maintenance state, therefore unit must be under non-maintenance state
It could trigger and force yaw maneuver signal
Preferably, after forcing the triggering of yaw maneuver signal, digital output module 403DO4-4 output 24V control driftage controls connect
Tentaculum 336K4 adhesives.
Preferably, yaw position reflects the degreeof tortuosity of unit power cable, so action that must be to forcing to go off course
Direction is judged.
Preferably, yaw maneuver signal is forced to trigger, yaw position is more than 0 degree, left drift action, when 2s mean wind directions
More than 270 degree, that is, when deviateing 90 degree of prevailing wind direction, stop left drift.
Preferably, yaw maneuver signal is forced to trigger, yaw position is less than 0 degree, right yaw maneuver, when 2s mean wind directions
Less than 90 degree, that is, when deviateing 90 degree of prevailing wind direction, stop right avertence boat.
Preferably, for unit in normal operation, wind direction is 180 degree, when driftage to wind direction is 90 degree or 270 degree, is
Deviate 90 degree of prevailing wind direction.
Preferably, exit and force the method for yaw mode as follows：
（1）If driftage button triggering is forced, only driftage button signal need to will be forced to restPose；
（2）Trigger if long distance forced yaw-control signal, long distance forced yaw-control signal need to only be restPosed；
（3）Unit triggers automatically when being more than 20rpm if wheel speed, need to only click on long-range release automatic forced off-course signal control
Part.
The present invention forces driftage logic control program by optimizing program, increase so that unit is after theft-resistant link chain disconnection, still
It can so be gone off course, and automatic 90 degree of prevailing wind direction of deviation.After paddle change system of wind turbines emergency feathering disabler, this driftage
Control method can be used for emergency processing, reduce wheel speed, protects wind turbine transmission chain, adds the security of system, subtract
The small possibility of unit driving.Meanwhile for forcing the trigger signal of yaw maneuver signal to be defined as 3 kinds in this invention（Machine
Driftage button, long distance forced yaw-control signal are forced in group, unit automatic forced is gone off course wheel speed detection）, so
Artificial three kinds of control, remote control, unit autonomous control security control patterns on the spot are considered simultaneously, and safety coefficient is high, can grasp
The property made is strong, while the hardware class that present invention needs add is few, and cost is low, increases economic efficiency.
Brief description of the drawings
Fig. 1 is specific embodiment of the invention yaw maneuver flow chart.
Fig. 2 is specific embodiment of the invention Yaw control method flow chart.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment：
In the current design of unit, yaw control system is constrained by theft-resistant link chain, i.e., after theft-resistant link chain disconnects, control system is forbidden partially
Boat acts, and pitch-controlled system emergency feathering function can cause unit safety chain to disconnect once failing.So in current design
In, yaw maneuver is opened by yaw motor electric brake on the premise of theft-resistant link chain closes, goes off course and soft open enabled, hydraulic station
The a series of actions such as half pressure release power, complete inclined.
Reference picture 1, the present invention propose a kind of anti-hypervelocity Yaw control method of Wind turbines, i.e. in case of emergency unit
It when theft-resistant link chain disconnects, can also be gone off course, and go off course and deviate 90 degree of prevailing wind direction, the addition pressure driftage in Wind turbines switch board
Its opened point is simultaneously accessed digital data acquisition module 103DI4-8 by button, and long distance forced driftage is added in Central Control Room monitoring software
Control and long-range release automatic forced driftage control, it is defeated to terminate to digital quantity by the coil drive for the control contactor 336K4 that goes off course
Go out module 403DO4-4.
When manually pressed in air blower control cabinet force driftage button either control room long distance forced yaw-control signal send or
Wheel speed>During 20rpm, unit, which enters, forces driftage state, forces the triggering of yaw maneuver signal, it is contemplated that unit is safeguarding shape
Prevent artificial maloperation from causing to force yaw maneuver to cause personnel to injure during state, therefore unit must could touch under non-maintenance state
Hair forces yaw maneuver signal
After forcing the triggering of yaw maneuver signal, digital output module 403DO4-4 output 24V control driftage control contactors
336K4 adhesives.
Yaw position reflects the degreeof tortuosity of unit power cable, so must be carried out to the direction of action for forcing driftage
Judge.
" forcing left drift action "：Yaw maneuver signal is forced to trigger, yaw position is more than 0 degree, and left drift acts, when
2s mean wind directions are more than 270 degree, that is, when deviateing 90 degree of prevailing wind direction, stopping left drift.
" forcing right yaw maneuver "：Yaw maneuver signal is forced to trigger, yaw position is less than 0 degree, right yaw maneuver, when
2s mean wind directions are less than 90 degree, that is, when deviateing 90 degree of prevailing wind direction, stop right avertence and navigate.
For unit in normal operation, wind direction is 180 degree, when driftage to wind direction is 90 degree or 270 degree, as deviates main wind
To 90 degree.
Exit and force the method for yaw mode as follows：
（1）If driftage button triggering is forced, only driftage button signal need to will be forced to restPose；
（2）Trigger if long distance forced yaw-control signal, long distance forced yaw-control signal need to only be restPosed；
（3）Unit triggers automatically when being more than 20rpm if wheel speed, need to only click on long-range release automatic forced off-course signal control
Part.
The present invention forces driftage logic control program by optimizing program, increase so that unit is after theft-resistant link chain disconnection, still
It can so be gone off course, and automatic 90 degree of prevailing wind direction of deviation.After paddle change system of wind turbines emergency feathering disabler, this driftage
Control method can be used for emergency processing, reduce wheel speed, protects wind turbine transmission chain, adds the security of system, subtract
The small possibility of unit driving.Meanwhile for forcing the trigger signal of yaw maneuver signal to be defined as 3 kinds in this invention（Machine
Driftage button, long distance forced yaw-control signal are forced in group, unit automatic forced is gone off course wheel speed detection）, so
Artificial three kinds of control, remote control, unit autonomous control security control patterns on the spot are considered simultaneously, and safety coefficient is high, can grasp
The property made is strong, while the hardware class that present invention needs add is few, and cost is low, increases economic efficiency.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (8)
1. a kind of anti-hypervelocity Yaw control method of Wind turbines, it is characterised in that addition is forced inclined in Wind turbines switch board
Its opened point is simultaneously accessed digital data acquisition module 103DI4-8 by boat button, and it is inclined that long distance forced is added in Central Control Room monitoring software
Navigated control and long-range release automatic forced driftage control, and the coil drive for the control contactor 336K4 that goes off course is terminated into digital quantity
Output module 403DO4-4.
2. a kind of anti-hypervelocity Yaw control method of Wind turbines as claimed in claim 1, it is characterised in that work as air blower control cabinet
It is interior artificial to press pressure driftage button either control room long distance forced yaw-control signal is sent or wheel speed>During 20rpm,
Unit, which enters, forces driftage state, forces the triggering of yaw maneuver signal, it is contemplated that unit prevents from artificially grasping by mistake in the state of maintenance
Work causes to force yaw maneuver to cause personnel to injure, therefore unit must could trigger under non-maintenance state and force yaw maneuver letter
Number.
3. a kind of anti-hypervelocity Yaw control method of Wind turbines as claimed in claim 1, it is characterised in that force yaw maneuver
After signal triggering, digital output module 403DO4-4 output 24V control driftage control contactor 336K4 adhesives.
4. a kind of anti-hypervelocity Yaw control method of Wind turbines as claimed in claim 1, it is characterised in that yaw position reflects
The degreeof tortuosity of unit power cable, so must judge the direction of action for forcing driftage.
5. a kind of anti-hypervelocity Yaw control method of Wind turbines as claimed in claim 1, it is characterised in that force yaw maneuver
Signal has triggered, yaw position be more than 0 degree, left drift action, when 2s mean wind directions be more than 270 degree, i.e., deviation 90 degree of prevailing wind direction
When, stop left drift.
6. a kind of anti-hypervelocity Yaw control method of Wind turbines as claimed in claim 1, it is characterised in that force yaw maneuver
Signal has triggered, yaw position be less than 0 degree, right yaw maneuver, when 2s mean wind directions be less than 90 degree, i.e., deviation 90 degree of prevailing wind direction
When, stop right avertence boat.
7. a kind of anti-hypervelocity Yaw control method of Wind turbines as claimed in claim 1, it is characterised in that unit is normally being transported
During row, wind direction is 180 degree, when driftage to wind direction is 90 degree or 270 degree, as deviates 90 degree of prevailing wind direction.
8. a kind of anti-hypervelocity Yaw control method of Wind turbines as claimed in claim 1, it is characterised in that exit pressure driftage
The method of pattern is as follows：
（1）If driftage button triggering is forced, only driftage button signal need to will be forced to restPose；
（2）Trigger if long distance forced yaw-control signal, long distance forced yaw-control signal need to only be restPosed；
（3）Unit triggers automatically when being more than 20rpm if wheel speed, need to only click on long-range release automatic forced off-course signal control
Part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610551186.9A CN107620670A (en) | 2016-07-13 | 2016-07-13 | A kind of anti-hypervelocity Yaw control method of Wind turbines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610551186.9A CN107620670A (en) | 2016-07-13 | 2016-07-13 | A kind of anti-hypervelocity Yaw control method of Wind turbines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107620670A true CN107620670A (en) | 2018-01-23 |
Family
ID=61087025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610551186.9A Pending CN107620670A (en) | 2016-07-13 | 2016-07-13 | A kind of anti-hypervelocity Yaw control method of Wind turbines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107620670A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488037A (en) * | 2018-03-01 | 2018-09-04 | 北京金风科创风电设备有限公司 | Anti-runaway control method and device and wind generating set |
| CN112922777A (en) * | 2021-02-22 | 2021-06-08 | 华电电力科学研究院有限公司 | Wind turbine generator overspeed manual/automatic emergency yawing method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008104275A (en) * | 2006-10-18 | 2008-05-01 | Matsushita Electric Works Ltd | Constant current controlled dc-dc converter circuit with function for interrupting no-load oscillation |
| CN202157902U (en) * | 2011-06-27 | 2012-03-07 | 国电联合动力技术(连云港)有限公司 | Safety system of direct-drive wind generator |
| CN102828909A (en) * | 2012-09-12 | 2012-12-19 | 国电联合动力技术有限公司 | Method, device and system for safety protection used in failure of putting away oar of blade of wind turbine generator |
| CN104314754A (en) * | 2014-08-20 | 2015-01-28 | 国家电网公司 | Yaw control method and yaw control system |
| CN105041568A (en) * | 2015-08-28 | 2015-11-11 | 沈阳华创风能有限公司 | Control method for preventing fan galloping |
-
2016
- 2016-07-13 CN CN201610551186.9A patent/CN107620670A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008104275A (en) * | 2006-10-18 | 2008-05-01 | Matsushita Electric Works Ltd | Constant current controlled dc-dc converter circuit with function for interrupting no-load oscillation |
| CN202157902U (en) * | 2011-06-27 | 2012-03-07 | 国电联合动力技术(连云港)有限公司 | Safety system of direct-drive wind generator |
| CN102828909A (en) * | 2012-09-12 | 2012-12-19 | 国电联合动力技术有限公司 | Method, device and system for safety protection used in failure of putting away oar of blade of wind turbine generator |
| CN104314754A (en) * | 2014-08-20 | 2015-01-28 | 国家电网公司 | Yaw control method and yaw control system |
| CN105041568A (en) * | 2015-08-28 | 2015-11-11 | 沈阳华创风能有限公司 | Control method for preventing fan galloping |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488037A (en) * | 2018-03-01 | 2018-09-04 | 北京金风科创风电设备有限公司 | Anti-runaway control method and device and wind generating set |
| CN108488037B (en) * | 2018-03-01 | 2019-07-19 | 北京金风科创风电设备有限公司 | Anti-runaway control method and device and wind generating set |
| US11365716B2 (en) | 2018-03-01 | 2022-06-21 | Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd. | Control method and device for avoiding run-away and wind turbine |
| CN112922777A (en) * | 2021-02-22 | 2021-06-08 | 华电电力科学研究院有限公司 | Wind turbine generator overspeed manual/automatic emergency yawing method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103089541B (en) | Wind generating set safety chain control system | |
| CN102828909B (en) | Method, device and system for safety protection used in failure of putting away oar of blade of wind turbine generator | |
| CN105484937B (en) | Control method and device for variable pitch system of wind generating set | |
| CN101893855B (en) | Control method for guaranteeing safe operation of wind turbine | |
| CN102418662B (en) | Safety operation control system of wind driven generator | |
| CN102278278B (en) | Safety control system and safety control method of wind generating set | |
| CN107781106B (en) | A kind of wind generating set pitch control of no independent control is away from system failure guard method | |
| CN102011699B (en) | Method and system for controlling variable pitch of wind power generator | |
| CN103225586B (en) | Anti-runaway safety control method for wind generating set | |
| US9172321B2 (en) | Electrical yaw drive for a wind turbine, wind turbine and method for operating a wind turbine | |
| CN104179636B (en) | Method for preventing wind generating set from runaway | |
| CN106224161A (en) | Independent pitch system and change oar method with controller strategy | |
| CN101571104B (en) | Safety chain control system | |
| CN111963375B (en) | Paddle control method and wind turbine generator system thereof | |
| CN109854446A (en) | A kind of control system guaranteeing aerogenerator unit safe | |
| CN104405582A (en) | Wheel hub safety chain of megawatt wind generating set and control method thereof | |
| CN207178107U (en) | A kind of wind-driven generator feathering shutdown system | |
| CN107620670A (en) | A kind of anti-hypervelocity Yaw control method of Wind turbines | |
| CN205977543U (en) | Wind turbine generator system prevent exceeding speed limit controlling means , driftage system and wind turbine generator system | |
| CN203835620U (en) | Over rotation speed protection device of large wind generating set | |
| CN203098147U (en) | Wind generating set safety chain control system | |
| CN107701372A (en) | A kind of wind power generating set self-protection control method become under oar Actuators Failures | |
| CN208918746U (en) | A kind of megawatt-level wind unit prevents hypervelocity driving, falls the yawer of tower | |
| CN208416790U (en) | A kind of wind power generating set hypervelocity variable pitch protection structure | |
| CN102797630A (en) | Shutdown control method and shutdown control device of wind turbine generator set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180123 |
|
| WD01 | Invention patent application deemed withdrawn after publication |