CN106224163A - A kind of wind-driven generator wheel-box multi-change speed method - Google Patents
A kind of wind-driven generator wheel-box multi-change speed method Download PDFInfo
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- CN106224163A CN106224163A CN201610825490.8A CN201610825490A CN106224163A CN 106224163 A CN106224163 A CN 106224163A CN 201610825490 A CN201610825490 A CN 201610825490A CN 106224163 A CN106224163 A CN 106224163A
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- wind
- wind speed
- speed
- change
- driven generator
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 238000012790 confirmation Methods 0.000 claims description 6
- 230000005611 electricity Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/10—Purpose of the control system
- F05B2270/1016—Purpose of the control system in variable speed operation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/32—Wind speeds
-
- 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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- 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)
- Wind Motors (AREA)
Abstract
The present invention proposes a kind of wind-driven generator wheel-box multi-change speed method, comprises the following steps: to sense wind speed by blower fan wind speed harvester, and air speed data is transferred to control system；When wind speed is less than wind speed marginal value, control system selects transmission ratio gear train to run；When wind speed is higher than wind speed marginal value, control system selects low gear ratio gear train to run.The wind-driven generator wheel-box multi-change speed method that the present invention proposes, on the basis of existing gear train, increases by one group of change-speed gearing becoming smaller, and ventilator selection one of which gear teeth wheels are carried out, and drawing generator generates electricity.And it is combined with fan paddle-changing system, when wind speed meets or exceeds the restriction of current highest wind velocity, it is possible to change gear-box gear ratio (selecting low gear ratio gear train) and make electromotor still can persistently generate electricity.
Description
Technical field
The present invention relates to wind power generation field, and particularly to a kind of wind-driven generator wheel-box multi-change speed method.
Background technology
Wind power propelling fan blade drives generator amature generating after rotating through gear-box speed change, gear-box plays wind
Motor speed controls and the effect of transmission, also referred to as gearbox.The velocity of rotation of fan blade is very slow under normal circumstances, does not reaches and sends out
The demand of electric power generation, so by driving to make generator rotation generate electricity at electromotor after the speedup of gear-box, gear-box
Speed change system is in wind-power electricity generation and an important link.
Existing gear-box speedup is all definite proportion speedup, affects the quality of power supply of integrated wind plant relatively when wind speed is excessive
Greatly, must stop transport and electrical network could not cause tremendous influence and loss in power plant.The stoppage in transit of Wind turbines for wind energy turbine set without
It is suspected to be a huge loss.
Summary of the invention
The present invention proposes a kind of wind-driven generator wheel-box multi-change speed method, on the basis of existing gear train, increases
The change-speed gearing that one group of change is smaller, ventilator selection one of which gear teeth wheels are carried out, and drawing generator generates electricity.And general it with
Fan paddle-changing system combines, when wind speed meets or exceeds the restriction of current highest wind velocity, it is possible to change gear-box gear ratio and (select
Low gear ratio gear train) make electromotor still can persistently generate electricity.
In order to achieve the above object, the present invention proposes a kind of wind-driven generator wheel-box multi-change speed method, including following
Step:
Sense wind speed by blower fan wind speed harvester, and air speed data is transferred to control system；
When wind speed is less than wind speed marginal value, control system selects transmission ratio gear train to run；
When wind speed is higher than wind speed marginal value, control system selects low gear ratio gear train to run.
Further, described transmission ratio gear train is wind-driven generator wheel-box original full-height tooth wheels, described low
Gear ratio gear train is the gear train that no-load voltage ratio is less than standard.
Further, when wind speed reaches wind speed marginal value, whether control system alarm selects to change change-speed gearing
Case, selects to change by manual confirmation.
Further, when unmanned, system continues to remain on, if wind speed did not changed within the setting time or
Persistently strengthening, control system automatically selects and switches to low gear ratio gear train and continue to run with.
Further, when wind speed is reduced to wind speed marginal value, whether control system alarm changes gear teeth wheels,
Select to change by manual confirmation.
Further, when unmanned, system continues to remain on, if wind speed persistently keeps constant, then blower fan continues
Running, if wind speed continues to reduce, then control system automatically selects and switches to transmission ratio gear train and continue to run with.
Further, if wind speed persistently increases to the fan parking value preset, control system controls orderly closedown.
The wind-driven generator wheel-box multi-change speed method that the present invention proposes, has the advantages that
(1), the present invention only employ two sleeve gear groups, the most not only saved operating cost, and simple to operate, easy
Easy.Use too many then gear-box volume to become much larger, precision and life-span all can be had an impact；
(2), the present invention is automatically controlled with system by manual hand manipulation and combines so that it is unmanned control blower fan time still
Energy safe and stable operation, improves the operational reliability of Wind turbines；
(3), by making blower fan can adapt to each wind speed the control of gear-box speed change, it is allowed to and fan paddle-changing system phase
In conjunction with measure, when wind speed meet or exceed existing limit when, it is possible to change gear-box gear ratio, make electromotor still can
Enough persistently generate electricity.
Accompanying drawing explanation
Fig. 1 show the wind-driven generator wheel-box multi-change speed method flow diagram of present pre-ferred embodiments.
Detailed description of the invention
Provide the detailed description of the invention of the present invention below in conjunction with accompanying drawing, but the invention is not restricted to following embodiment.Root
According to following explanation and claims, advantages and features of the invention will be apparent from.It should be noted that, accompanying drawing all uses the simplest
The form changed and all use non-ratio accurately, is only used for conveniently, aids in illustrating lucidly the purpose of the embodiment of the present invention.
Refer to Fig. 1, Fig. 1 and show the wind-driven generator wheel-box multi-change speed method flow of present pre-ferred embodiments
Figure.The present invention proposes a kind of wind-driven generator wheel-box multi-change speed method, comprises the following steps:
Sense wind speed by blower fan wind speed harvester, and air speed data is transferred to control system；
When wind speed is less than wind speed marginal value, control system selects transmission ratio gear train to run；
When wind speed is higher than wind speed marginal value, control system selects low gear ratio gear train to run.
According to present pre-ferred embodiments, described transmission ratio gear train is the original full-height tooth of wind-driven generator wheel-box
Wheels, described low gear ratio gear train is the gear train that no-load voltage ratio is less than standard.The gear case of blower of the present invention uses two set no-load voltage ratios
Different gear trains, to transform nipper wheels as standard, set of gears group continues to use full-height tooth wheels no-load voltage ratio, another set of gear teeth
Wheel then selects the no-load voltage ratio gear train less than standard no-load voltage ratio.If using the gear teeth wheels of more groups, then can seriously increase gear-box
Volume, all can have an impact precision and life-span.Reset the air speed value that blower fan warning is shut down, when blower fan uses speed change smaller
Gear train when running, maximum speed of shutting down shuts down velocity amplitude as reporting to the police.
Using the gear train of standard no-load voltage ratio during normal wind speed, when wind speed reaches wind speed marginal value, control system is reported to the police and is carried
Show and whether select to change change gear box, select to change (such as module " I " in Fig. 1) by manual confirmation.
Further, when unmanned, system continues to remain on, if wind speed did not changed within the setting time or
Persistently strengthening, for ensureing fan safe, control system automatically selects and switches to low gear ratio gear train and continue to run with (in Fig. 1
Module " II ").
(module " III " in such as Fig. 1), control system alarm the most more transformation when wind speed is reduced to wind speed marginal value
Speed gear train, selects to change by manual confirmation.
Further, when unmanned, system continues to remain on, if wind speed persistently keeps constant, then blower fan continues
Running, if wind speed continues to reduce, then control system automatically selects and switches to transmission ratio gear train and continue to run with and (ensure that blower fan is high
Effect is run) (such as module " IV " in Fig. 1).If wind speed persistently increases to the fan parking value preset, control system controls normal
Shut down (such as module " V " in Fig. 1).
Existing gear-box speedup is all definite proportion speedup, affects the quality of power supply of integrated wind plant relatively when wind speed is excessive
Greatly, must stop transport and electrical network could not cause tremendous influence and loss in power plant, the stoppage in transit of Wind turbines is for wind-powered electricity generation simultaneously
Field is also a huge loss.The present invention by the transformation to gear-box, is allowed to want, with fan paddle-changing system, the measure that combines
Can change gear-box gear ratio when wind speed meets or exceeds existing restriction when makes electromotor still can persistently generate electricity.Logical
Crossing the control to gear-box speed change makes blower fan can adapt to various wind speed.
Although the present invention is disclosed above with preferred embodiment, so it is not limited to the present invention.Skill belonging to the present invention
Art field has usually intellectual, without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations.Cause
This, protection scope of the present invention is when being as the criterion depending on those as defined in claim.
Claims (7)
1. a wind-driven generator wheel-box multi-change speed method, it is characterised in that comprise the following steps:
Sense wind speed by blower fan wind speed harvester, and air speed data is transferred to control system；
When wind speed is less than wind speed marginal value, control system selects transmission ratio gear train to run；
When wind speed is higher than wind speed marginal value, control system selects low gear ratio gear train to run.
Wind-driven generator wheel-box multi-change speed method the most according to claim 1, it is characterised in that described transmission ratio
Gear train is wind-driven generator wheel-box original full-height tooth wheels, and described low gear ratio gear train is the tooth that no-load voltage ratio is less than standard
Wheels.
Wind-driven generator wheel-box multi-change speed method the most according to claim 1, it is characterised in that when wind speed reaches wind
During speed marginal value, whether control system alarm selects to change change gear box, selects to change by manual confirmation.
Wind-driven generator wheel-box multi-change speed method the most according to claim 3, it is characterised in that work as unmanned
Time, system continues to remain on, if wind speed does not changes within the setting time or persistently strengthens, control system automatically selects cuts
Shift to low gear ratio gear train continue to run with.
Wind-driven generator wheel-box multi-change speed method the most according to claim 3, it is characterised in that when wind speed is reduced to
During wind speed marginal value, whether control system alarm changes gear teeth wheels, selects to change by manual confirmation.
Wind-driven generator wheel-box multi-change speed method the most according to claim 5, it is characterised in that work as unmanned
Time, system continues to remain on, if wind speed persistently keeps constant, then blower fan continues to run with, if wind speed continue reduce, then control be
System automatically selects and switches to transmission ratio gear train and continue to run with.
Wind-driven generator wheel-box multi-change speed method the most according to claim 1, it is characterised in that if wind speed persistently increases
Time greatly to the fan parking value preset, control system controls orderly closedown.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610825490.8A CN106224163A (en) | 2016-09-14 | 2016-09-14 | A kind of wind-driven generator wheel-box multi-change speed method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610825490.8A CN106224163A (en) | 2016-09-14 | 2016-09-14 | A kind of wind-driven generator wheel-box multi-change speed method |
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| Publication Number | Publication Date |
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| CN106224163A true CN106224163A (en) | 2016-12-14 |
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| CN201610825490.8A Pending CN106224163A (en) | 2016-09-14 | 2016-09-14 | A kind of wind-driven generator wheel-box multi-change speed method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201106525Y (en) * | 2007-08-27 | 2008-08-27 | 上海瑞仁国际贸易有限公司 | Wind generator set with automatic control constant speed step-up gear |
| CN101272084A (en) * | 2008-05-16 | 2008-09-24 | 东南大学 | Electro-mechanical mixed stepless speed-changing wind power generation plant |
| CN101988472A (en) * | 2009-07-31 | 2011-03-23 | 扬州神州风力发电机有限公司 | Wind driven generator |
| CN102269123A (en) * | 2011-06-24 | 2011-12-07 | 中国科学院电工研究所 | Wind power generation device |
| US20120115661A1 (en) * | 2009-07-02 | 2012-05-10 | Gerald Hehenberger | Differential gearing for an energy generation plant and operating method |
-
2016
- 2016-09-14 CN CN201610825490.8A patent/CN106224163A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201106525Y (en) * | 2007-08-27 | 2008-08-27 | 上海瑞仁国际贸易有限公司 | Wind generator set with automatic control constant speed step-up gear |
| CN101272084A (en) * | 2008-05-16 | 2008-09-24 | 东南大学 | Electro-mechanical mixed stepless speed-changing wind power generation plant |
| US20120115661A1 (en) * | 2009-07-02 | 2012-05-10 | Gerald Hehenberger | Differential gearing for an energy generation plant and operating method |
| CN101988472A (en) * | 2009-07-31 | 2011-03-23 | 扬州神州风力发电机有限公司 | Wind driven generator |
| CN102269123A (en) * | 2011-06-24 | 2011-12-07 | 中国科学院电工研究所 | Wind power generation device |
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Application publication date: 20161214 |