CN208169049U - A kind of wind electricity change paddle drive system - Google Patents
A kind of wind electricity change paddle drive system Download PDFInfo
- Publication number
- CN208169049U CN208169049U CN201820582329.7U CN201820582329U CN208169049U CN 208169049 U CN208169049 U CN 208169049U CN 201820582329 U CN201820582329 U CN 201820582329U CN 208169049 U CN208169049 U CN 208169049U
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- China
- Prior art keywords
- driver
- variable pitch
- pitch
- control unit
- drive system
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- 230000005611 electricity Effects 0.000 title claims abstract description 33
- 230000008859 change Effects 0.000 title claims abstract description 29
- 230000001360 synchronised effect Effects 0.000 claims abstract description 30
- 238000004804 winding Methods 0.000 claims description 18
- 239000013307 optical fiber Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 6
- 238000013024 troubleshooting Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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
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- Wind Motors (AREA)
Abstract
The utility model discloses a kind of wind electricity change paddle drive system, the wind electricity change paddle drive system includes synchronous control unit, pitch motor and the first pitch drive branch and the second pitch drive branch that are parallel-connected to the pitch motor；The first pitch drive branch includes the first power supply and the first variable pitch driver for connecting with first power supply；The second pitch drive branch includes the second power supply and the second variable pitch driver for connecting with second power supply；First variable pitch driver is connected with second variable pitch driver by the synchronous control unit.The utility model controls pitch motor by variable pitch driver in parallel；Avoid single variable pitch driver control pitch motor there are the problem of, improve the reliability and generating dutation of running of wind generating set.
Description
Technical field
The utility model relates to technical field of wind power generation more particularly to a kind of wind electricity change paddle drive systems.
Background technique
Current wind generating set mostly uses electric variable pitch control system, and each blade uses a pitch motor and one
Variable pitch driver carries out pitch control.With the development of the big blade Wind turbines of low wind speed and offshore high-power wind driven generator unit,
The driving power of blade is increasing, the safety and reliability of variable blade control system is required also higher and higher.Current
There are following more distinct issues by the way of single variable pitch driver in single blade：
1) when, single driver breaks down, some blade that will lead to Wind turbines can not normally variable pitch be run in turn
Cause Wind turbines to be shut down, reduces generating dutation；
2) when, catastrophe failure occurs for single driver, will lead to blade can not put away the oars, and then cause Wind turbines that may send out
Raw serious safety accident；
3), the power demand of single driver is excessive, causes the volume of driver and quality very big, for removing for driver
Fortune, installation and maintenance work generate more inconvenient influence；
For such situation, some producers propose that single blade adds the driving design scheme of bi-motor using dual drive,
The safety and reliability of wind power generation unit blade control can be promoted.But the single blade driving circuit of such scheme Wind turbines
Upper includes two independent motors and independent two drivings reduction gear box, substantially increases cost.
Utility model content
The main purpose of the utility model is that proposing a kind of wind electricity change paddle drive system, it is intended to solve existing single leaf
Piece using single variable pitch driver mode there are the problem of.
To achieve the above object, the utility model embodiment provides a kind of wind electricity change paddle drive system, the wind electricity change paddle
Drive system includes synchronous control unit, pitch motor and the first pitch drive branch for being parallel-connected to the pitch motor
Road and the second pitch drive branch；
The first pitch drive branch include the first power supply and connect with first power supply first
Variable pitch driver；The second pitch drive branch includes the second power supply and connect with second power supply
Second variable pitch driver；
First variable pitch driver is connected with second variable pitch driver by the synchronous control unit.
Wind electricity change paddle drive system provided by the embodiment of the utility model controls variable pitch electricity by variable pitch driver in parallel
Machine；Avoid single variable pitch driver control pitch motor there are the problem of, improve the reliability and hair of running of wind generating set
The electric time.
Detailed description of the invention
Fig. 1 is the wind electricity change paddle driving system structure schematic diagram of the utility model embodiment；
Fig. 2-Fig. 4 is the wind electricity change paddle drive system applications structural schematic diagram of the utility model embodiment.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
It should be appreciated that specific embodiment described herein is only used to explain the utility model, it is not used to limit this
Utility model.
The each embodiment of the utility model is realized in description with reference to the drawings.In subsequent description, using being used for
Indicate the suffix of such as " module ", " component " or " unit " of element only for being conducive to the explanation of the utility model, itself
There is no specific meanings.
It will be further appreciated that the term used in the utility model specification and appended book " and/
Or " refer to any combination and all possible combinations of one or more of associated item listed, and including these groups
It closes.
As shown in Figure 1, the utility model embodiment provides a kind of wind electricity change paddle drive system, wind electricity change paddle driving system
System includes synchronous control unit 13, pitch motor 14 and the first pitch drive branch for being parallel-connected to the pitch motor 14
Road 11 and the second pitch drive branch 12.
The first pitch drive branch 11 includes the first power supply 111 and connects with first power supply 111
The first variable pitch driver 112 connect；The second pitch drive branch 12 includes the second power supply 121 and with described the
Second variable pitch driver 122 of two power supplies 121 connection；
First variable pitch driver 112 and second variable pitch driver 122 are connected by the synchronous control unit 13
It connects.
It should be noted that term " first ", " second " are used for description purposes only, it is not understood to indicate or imply pair
The quantity of pitch drive branch is limited.In other embodiments, pitch drive branch can be two or more, corresponding
Ground, power supply, variable pitch driver can be two or more.Wherein, the number of variable pitch driver is by the variable pitch load function that drives
The power of rate and selected variable pitch driver determines.
In the present embodiment, the first power supply 111 and the second power supply 121 be 50Hz 60Hz AC power source,
It or is DC power supply.It should be noted that the first power supply 111 and the second power supply 121 can be identical power supply
Power supply, or different power supplies.
In the present embodiment, pitch motor 14 can be the pitch motor of simplex winding or the pitch motor of Multiple coil, become
Paddle motor includes synchronous motor, asynchronous machine.
In the present embodiment, first variable pitch driver 112 is to exchange (AC)-with second variable pitch driver 122
Direct current (DC)-exchanges (AC) type driver or direct current (DC)-exchanges (AC) type driver.
In order to preferably illustrate above-described embodiment, it is illustrated below in conjunction with Fig. 2-Fig. 4：
It please refers to shown in Fig. 2, in one embodiment, the pitch motor 14 is the simplex winding pitch motor (M in figure
It is shown)；The first pitch drive branch 11 further includes the first output reactance device 113；The second pitch drive branch 12 is also
Including the second output reactance device 123；
First variable pitch driver 112 is connected to the simplex winding variable pitch electricity by the first output reactance device 113
Machine M, second variable pitch driver 122 are connected to the simplex winding pitch motor M by the second output reactance device 123.
In this embodiment, which plays the output of the first variable pitch driver 112 and the second variable pitch driver 122
The inhibiting effect of circulation between output.
The synchronous control unit 13 includes first control unit 131 interconnected and the second control unit 132；
The first control unit 131 is built in first variable pitch driver 112, second control unit 132
It is built in second variable pitch driver 122.
In this embodiment, pass through wired synchronization medium between first control unit 131 and the second control unit 132
(attached drawing is not shown) is communicated, and wired synchronization medium includes cable, optical fiber and cable.After the power-up by self-judge and
Preempt-mode determines one in first control unit 131 and the second control unit 132 as control host, and control host is to this
Variable pitch driver and the driving control signal for sending synchronization to other variable pitch drivers by wired synchronization medium.
Wind electricity change paddle drive system shown in Fig. 2, control process are as follows：
Initialize the first variable pitch driver 112 and the second variable pitch driver 122, and respectively built-in first control unit
131 and second control unit 132；First control unit 131 and the second control unit 132 pass through wired synchronization medium progress information
Interaction, operating status and master slave mode including this driver and other drivers.First control unit 131 and the second control are single
Member 132 determines control host using self-judge and preempt-mode, and the driver where controlling host is host driver, another
A driver is slave driver.
Control host judges whether to receive the variable pitch start command that upper equipment 15 is sent, order when receiving variable pitch starting
After order, control host sends synchronous drive control to other drivers to this variable pitch driver and by wired synchronization medium
Signal, the first variable pitch driver 112 of control hair wave synchronous with the second variable pitch driver 122, driving pitch motor 14 execute variable pitch
Movement.
Troubleshooting is executed when variable pitch driver breaks down, specifically：Control host judges whether there is pitch drive
Device breaks down；When faulty variable pitch driver is host driver, host driver and slave driver automatically switch；
It controls host and the variable pitch driver of failure is executed into driving envelope wave, that is, turn off the inverter power device of variable pitch driver.
After executing troubleshooting, control host judges whether that needing to be implemented safety puts away the oars；If not needing to execute safe receipts
Paddle, control host drive pitch motor by normal variable pitch driver, execute the variable pitch instruction that upper equipment 15 is sent.If needing
It executes safety to put away the oars, control host executes safety by normal variable pitch driver and puts away the oars, until blade returns to home；
After blade returns to home, normal variable pitch driver is executed driving envelope wave by control host.
It please refers to shown in Fig. 3, in one embodiment, the pitch motor 14 is Multiple coil pitch motor M；
The Multiple coil pitch motor M include the first stator winding (not shown) and the second stator winding (in figure not
It shows)；First variable pitch driver 112 is connect with first stator winding, second variable pitch driver 122 with it is described
The connection of second stator winding.
The synchronous control unit 13 includes first control unit 131 interconnected and the second control unit 132；
The first control unit 131 is built in first variable pitch driver 112, second control unit 132
It is built in second variable pitch driver 122.
In this embodiment, pass through wired synchronization medium between first control unit 131 and the second control unit 132
(attached drawing is not shown) is communicated, and wired synchronization medium includes cable, optical fiber and cable.After the power-up by self-judge and
Preempt-mode determines one in first control unit 131 and the second control unit 132 as control host, and control host is to this
Variable pitch driver and the driving control signal for sending synchronization to other variable pitch drivers by wired synchronization medium.
The control process of wind electricity change paddle drive system shown in Fig. 3 is identical as Fig. 2, and therefore not to repeat here.
It refer again to shown in Fig. 4, in another embodiment, the pitch motor 14 is simplex winding pitch motor (figure
In M shown in)；The first pitch drive branch 11 further includes the first output reactance device 113；The second pitch drive branch
12 further include the second output reactance device 123；
First variable pitch driver 112 is connected to the simplex winding variable pitch electricity by the first output reactance device 113
Machine M, second variable pitch driver 122 are connected to the simplex winding pitch motor M by the second output reactance device 123.
In this embodiment, which plays the output of the first variable pitch driver 112 and the second variable pitch driver 122
The inhibiting effect of circulation between output.
In this embodiment, the synchronous control unit 13 is independent synchronous control unit, synchronous control unit 13
It is connected to the first variable pitch driver 112 and the second variable pitch driver 122 by wired synchronization medium, to the first variable pitch driver
112 send synchronous driving control signal with the second variable pitch driver 122；Wired connection medium includes cable, optical fiber and net
Line.
Wind electricity change paddle drive system shown in Fig. 4, control process are as follows：
Initialize the first variable pitch driver 112, the second variable pitch driver 122 and independent synchronous control unit 13；
Synchronous control unit 13 judges whether to receive the variable pitch start command that upper equipment 15 is sent, when receiving variable pitch
After start command, synchronous control unit 13 gives the first variable pitch driver 112 and the second variable pitch driver by wired synchronization medium
122 send synchronous driving control signal, and the first variable pitch driver 112 of control hair wave synchronous with the second variable pitch driver 122 drives
Dynamic pitch motor 14 executes variable pitch movement.
Troubleshooting is executed when variable pitch driver breaks down, specifically：Synchronous control unit 13 judges whether there is change
Pitch driver breaks down；When there is variable pitch driver failure, the variable pitch driver of the failure is executed into driving envelope wave.
After executing troubleshooting, synchronous control unit 13 judges whether that needing to be implemented safety puts away the oars；If not needing to execute
Safety is put away the oars, and synchronous control unit 13 drives pitch motor 14 by normal variable pitch driver, is executed upper equipment 15 and is sent
Variable pitch instruction.If desired safety is executed to put away the oars, synchronous control unit 13 executes safety by normal variable pitch driver and puts away the oars,
Until blade returns to home；After blade returns to home, synchronous control unit 13 holds normal variable pitch driver
Row driving envelope wave.
Wind electricity change paddle drive system provided by the embodiment of the utility model controls variable pitch electricity by variable pitch driver in parallel
Machine；Avoid single variable pitch driver control pitch motor there are the problem of, improve the reliability and hair of running of wind generating set
The electric time.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of wind electricity change paddle drive system, which is characterized in that the wind electricity change paddle drive system includes synchronous control unit, becomes
Paddle motor and the first pitch drive branch and the second pitch drive branch for being parallel-connected to the pitch motor；
The first pitch drive branch includes the first power supply and the first variable pitch for connecting with first power supply
Driver；The second pitch drive branch include the second power supply and connect with second power supply second
Variable pitch driver；
First variable pitch driver is connected with second variable pitch driver by the synchronous control unit.
2. wind electricity change paddle drive system according to claim 1, which is characterized in that the pitch motor is Multiple coil variable pitch
Motor；
The Multiple coil pitch motor includes the first stator winding and the second stator winding；First variable pitch driver with it is described
The connection of first stator winding, second variable pitch driver are connect with second stator winding.
3. wind electricity change paddle drive system according to claim 1, which is characterized in that the pitch motor is simplex winding variable pitch
Motor；The first pitch drive branch further includes the first output reactance device；The second pitch drive branch further includes second
Output reactance device；
First variable pitch driver is connected to the simplex winding pitch motor by the first output reactance device, and described second
Variable pitch driver is connected to the simplex winding pitch motor by the second output reactance device.
4. wind electricity change paddle drive system according to claim 1, which is characterized in that the synchronous control unit includes mutual
The first control unit of connection and the second control unit；
The first control unit is built in first variable pitch driver, and second control unit is built in described second
In variable pitch driver.
5. wind electricity change paddle drive system according to claim 4, which is characterized in that the first control unit and described
Two control units are connected by wired synchronization medium.
6. wind electricity change paddle drive system according to claim 1, which is characterized in that first variable pitch driver and described
Second variable pitch driver is connect by wired synchronization medium with the synchronous control unit.
7. wind electricity change paddle drive system according to claim 5 or 6, which is characterized in that the wired synchronization medium includes
One of cable, optical fiber, cable.
8. wind electricity change paddle drive system according to claim 1, which is characterized in that first variable pitch driver and described
Second variable pitch driver is AC-DC-AC type driver or DC-AC type driver.
9. wind electricity change paddle drive system according to claim 1, which is characterized in that the pitch motor is alternating current asynchronous electricity
Machine or synchronous motor.
10. wind electricity change paddle drive system according to claim 1, which is characterized in that first power supply and described
Second power supply is the AC power source of 50Hz or 60Hz or is DC power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820582329.7U CN208169049U (en) | 2018-04-23 | 2018-04-23 | A kind of wind electricity change paddle drive system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820582329.7U CN208169049U (en) | 2018-04-23 | 2018-04-23 | A kind of wind electricity change paddle drive system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208169049U true CN208169049U (en) | 2018-11-30 |
Family
ID=64371676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820582329.7U Expired - Fee Related CN208169049U (en) | 2018-04-23 | 2018-04-23 | A kind of wind electricity change paddle drive system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208169049U (en) |
-
2018
- 2018-04-23 CN CN201820582329.7U patent/CN208169049U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20181130 |