CN105909467A - Urgent yaw control device of wind-powered generating set - Google Patents
Urgent yaw control device of wind-powered generating set Download PDFInfo
- Publication number
- CN105909467A CN105909467A CN201610334493.1A CN201610334493A CN105909467A CN 105909467 A CN105909467 A CN 105909467A CN 201610334493 A CN201610334493 A CN 201610334493A CN 105909467 A CN105909467 A CN 105909467A
- Authority
- CN
- China
- Prior art keywords
- yaw
- urgent
- control device
- generating set
- relay
- 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
- 239000003054 catalyst Substances 0.000 claims description 19
- 230000005611 electricity Effects 0.000 claims description 9
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/0204—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor for orientation in relation to wind direction
- F03D7/0208—Orientating out of wind
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/0256—Stall control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
- F03D7/04—Automatic control; Regulation
- F03D7/042—Automatic control; Regulation by means of an electrical or electronic controller
- F03D7/047—Automatic control; Regulation by means of an electrical or electronic controller characterised by the controller architecture, e.g. multiple processors or data communications
-
- 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
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Eletrric Generators (AREA)
- Wind Motors (AREA)
Abstract
The invention provides an urgent yaw control device of a wind-powered generating set. The urgent yaw control device comprises a power supply system and a yaw system which is electrically connected with the power supply system, wherein the power supply system comprises a power grid power supply; the yaw system comprises a frequency converter, a yaw motor which is electrically connected with the frequency converter; the urgent yaw control device comprises a power accessing system and an excessive speed control system which is used for controlling the yaw system to act when a generator is at an over-speed condition. When a fan is at an urgent condition, for instance, the generator is in an over-speed state for a long time to cause inversion of the generator or serious equipment accidents and the like, the yaw control device can be started to regulate the direction of the fan, or a backup power supply can be used for supplying power to the urgent yaw control device when the power grid power supply suddenly stops supplying power, so yaw action can be performed, the fan is in a safe state, and great economic losses are avoided.
Description
Technical field
The present invention relates to control technology on wind electricity generation unit field, be specifically related to a kind of urgent yaw control device of wind power generating set.
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.
Summary of the invention
The invention provides a kind of urgent yaw control device of wind power generating set, when blower fan is in an emergency, time the longest
Between hypervelocity cause 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 is in a safe condition.
The present invention provide the urgent yaw control device of wind power generating set, including power-supply system electrically connect with power-supply system inclined
Boat system, described power-supply system includes that electric network source, described yaw system include the driftage electricity that converter electrically connects with converter
Machine.
On the basis of existing technology, the present invention also makes following improvement: described yaw control device also includes accessing power-supply system,
The overspeed control system of yaw system action is controlled 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.
Beneficial effects of the present invention:
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 embodiment of the present invention 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 the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, to this
Bright it is further elaborated.Should be appreciated that specific embodiment described herein is used only for explaining the present invention, it is impossible to reason
Solve the restriction for protection domain concrete to the present invention.
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 |
|---|---|---|---|
| CN201610334493.1A CN105909467A (en) | 2016-05-19 | 2016-05-19 | Urgent yaw control device of wind-powered generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610334493.1A CN105909467A (en) | 2016-05-19 | 2016-05-19 | Urgent yaw control device of wind-powered generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105909467A true CN105909467A (en) | 2016-08-31 |
Family
ID=56749302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610334493.1A Pending CN105909467A (en) | 2016-05-19 | 2016-05-19 | Urgent yaw control device of wind-powered generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105909467A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086662A (en) * | 2017-06-07 | 2017-08-22 | 明阳智慧能源集团股份公司 | A kind of control method of wind power plant distribution driftage backup power system |
| US20200244209A1 (en) * | 2016-12-12 | 2020-07-30 | Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd. | Drive control apparatus and method for yaw motor of wind turbine |
| CN112145350A (en) * | 2020-10-28 | 2020-12-29 | 华能新能源股份有限公司河北分公司 | Automatic emergency yaw control system and method for preventing runaway of wind generating set |
| CN112392655A (en) * | 2019-08-14 | 2021-02-23 | 湖南世优电气股份有限公司 | Automatic emergency yawing device, method and equipment for wind driven generator |
| 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 |
-
2016
- 2016-05-19 CN CN201610334493.1A patent/CN105909467A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20200244209A1 (en) * | 2016-12-12 | 2020-07-30 | Beijing Goldwind Science & Creation Windpower Equipment Co., Ltd. | Drive control apparatus and method for yaw motor of wind turbine |
| 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 |
| CN107086662A (en) * | 2017-06-07 | 2017-08-22 | 明阳智慧能源集团股份公司 | A kind of control method of wind power plant distribution driftage backup power system |
| CN112392655A (en) * | 2019-08-14 | 2021-02-23 | 湖南世优电气股份有限公司 | Automatic emergency yawing device, method and equipment for wind driven generator |
| CN112145350A (en) * | 2020-10-28 | 2020-12-29 | 华能新能源股份有限公司河北分公司 | Automatic emergency yaw control system and method for preventing runaway of wind generating set |
| CN112145350B (en) * | 2020-10-28 | 2024-04-12 | 华能新能源股份有限公司河北分公司 | Automatic emergency yaw control method for preventing galloping of 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 |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160831 |
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| RJ01 | Rejection of invention patent application after publication |