CN207178112U - A kind of hydraulic drive wind power generating set centralized energy storage electricity generation system - Google Patents
A kind of hydraulic drive wind power generating set centralized energy storage electricity generation system Download PDFInfo
- Publication number
- CN207178112U CN207178112U CN201721099676.6U CN201721099676U CN207178112U CN 207178112 U CN207178112 U CN 207178112U CN 201721099676 U CN201721099676 U CN 201721099676U CN 207178112 U CN207178112 U CN 207178112U
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- Prior art keywords
- hydraulic
- energy storage
- wind
- energy
- generator
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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
- Y02E10/20—Hydro energy
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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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- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
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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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
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Abstract
The utility model discloses a kind of hydraulic drive wind power generating set centralized energy storage electricity generation system, belong to technical field of wind power generation.Including some impellers, impeller connects hydraulic pump by rotating shaft, hydraulic pump outlet is provided with hydraulic valve, hydraulic valve is by PLC centralized Control, air velocity transducer and rotation speed of fan sensor are provided with PLC, hydraulic valve connects hydraulic motor and energy storage station respectively by pipeline, and hydraulic motor is connected with generator.When wind speed is too small, multiple blower fan energy can be converged and supply one or part generator operation, reduce the shutdown wind speed of wind power generating set；And when component malfunctions such as hydraulic motor, generators, corresponding blower fan can work on, other electrical power generators are driven by energy storage station, improve wind energy utilization；In addition, the absorbable impact brought due to fluctuations in wind speed of energy storage station, is had buffering effect, makes the work of generator more steady when fluctuations in wind speed is larger.
Description
Technical field
The utility model belongs to technical field of wind power generation, specifically a kind of hydraulic drive wind power generating set centralized energy storage
Electricity generation system.
Background technology
Wind energy is as a kind of pollution-free, reproducible green energy resource, it has also become one of current solution energy crisis is important
Path.Wind power generating set is that wind energy is converted into mechanical energy, then converts mechanical energy into electric energy by generator.Due to nature
The speed of wind and direction change at random, therefore wind energy has the characteristics of unstable, how to make the output of wind power generating set
Power stability, it is an important topic of wind generating technology.
Current wind generator system is to first pass through blade wind energy is converted into mechanical energy, then passes through gear-box transmission
To generator, generator converts mechanical energy into electric energy.In order to ensure that generator has stable input speed, it is necessary to pass through change
Oar and other approach control blade rotational speed, and when blade rotational speed is too low（Generally 3m/s）, due to the input power mistake of blade
It is low, it is not enough to offset the power of wind power generating set autophage, then needs to shut down, cause the wind energy utilization of wind power plant to drop
It is low.In addition, wind power generating set is autonomous system in current system, in unit any part can not normal work when, all need
Shut down, can equally reduce the wind energy utilization of wind power plant.
To sum up, existing wind generator system has the following disadvantages：1. wind speed is too low, wind energy can not be utilized；2. unit is appointed
During meaning parts damages, all need to shut down.This 2 points of utilization rates for all reducing wind energy；3. mechanical positive drive, easily transmit
The impact that blade rotates is to generator.
Utility model content
The purpose of this utility model is to be directed to above-mentioned technical problem, there is provided the liquid that a kind of wind energy utilization is high, transmission is soft
Press driven wind power generator group centralized energy storage electricity generation system.
To reach above-mentioned purpose, the utility model uses following technical scheme：A kind of hydraulic drive wind power generating set collection
Middle energy-storing and power-generating system, including some impellers, impeller connect hydraulic pump by rotating shaft, and hydraulic pump outlet is provided with hydraulic valve, hydraulic pressure
For valve by PLC centralized Control, PLC is interior to pass through pipe provided with air velocity transducer and rotation speed of fan sensor, hydraulic valve
Road connects hydraulic motor and energy storage station respectively, and hydraulic motor is connected with generator.
The technical program is to utilize hydraulic control technology, realizes the flexible control and distribution of blower fan energy.Principle is blower fan
Impeller is driven by wind energy, converts wind energy into the mechanical energy of rotation；Fan shaft connects large-scale hydraulic pump, rotating shaft driving hydraulic pressure
Pump, the hydraulic energy mechanical energy of rotation being converted into hydraulic system.More Fans and hydraulic pump are commonly connected to energy storage station, storage
It can stand and converge and store hydraulic energy.Energy storage station connects multiple hydraulic motors, and distribution hydraulic energy is controlled using hydraulic valve（Flow）.Liquid
Pressure motor is driven by hydraulic energy to be rotated, and is driven the generator being attached thereto to rotate, is realized and generate electricity.Hydraulic pump passes through hydraulic valve simultaneously
Be directly connected to hydraulic motor, when wind speed is stable and enough can direct drive motor without by energy storage station.The keying of hydraulic valve
By PLC centralized Control.
The utility model has the advantages that relative to prior art：
1st, when wind speed is too small, multiple blower fan energy can be converged and supply one or part generator operation, reduce wind-force hair
The shutdown wind speed of group of motors, improves wind energy utilization；
2nd, during the component malfunction such as hydraulic motor, generator, corresponding blower fan can work on, and be driven by energy storage station
Other electrical power generators；
3rd, the absorbable impact brought due to fluctuations in wind speed of energy storage station, is had buffering effect, made when fluctuations in wind speed is larger
The work of generator is more steady；
4th, multiple generator concentrated settings, one group of accumulator is shared, facilitates maintenance management.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model hydraulic drive wind power generating set centralized energy storage electricity generation system；
Reference：1st, impeller；2nd, rotating shaft；3rd, hydraulic pump；4th, hydraulic valve；5th, PLC；6th, hydraulic motor；7th, send out
Motor；8th, energy storage station.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
By taking the electricity generation system that three groups of blower fans and generator are formed as an example, as shown in figure 1, hydraulic drive wind of the present utility model
Power generator group centralized energy storage electricity generation system includes three groups of impellers 1-1,1-2 and 1-3, and impeller 1-1,1-2 and 1-3 are respectively by turning
Axle 2-1,2-2 connect hydraulic pump 3-1,3-2 and 3-3 with 2-3, hydraulic pump 3-1,3-2 and 3-3 outlet be respectively equipped with hydraulic valve 4-1,
4-2 and 4-3, hydraulic valve 4-1,4-2 and 4-3 be provided with by the centralized Control of PLC 5, in PLC 5 air velocity transducer and
Rotation speed of fan sensor, hydraulic valve 4-1,4-2 and 4-3 connect hydraulic motor 6-1,6-2,6-3 and energy storage by pipeline respectively
Stood 8-1,8-2,8-3, and hydraulic motor 6-1,6-2,6-3 are connected with generator 7-1,7-2 and 7-3 respectively.
When wind speed is too low, after PLC 5 obtains air velocity transducer and rotation speed of fan sensor signal, hydraulic pressure is controlled
Valve 4 turns on hydraulic pump 3 to the oil circuit of energy storage station 8, and hydraulic pump 3 to the oil circuit of hydraulic motor 6 is closed.With should be after a certain hydraulic valve 4
Hydraulic motor 6 or generator 7 break down when, PLC 5 control hydraulic valve 4 make high pressure liquid force feed fully enter energy storage
Stand 8, for driving other hydraulic motors 6, while PLC 5 is based on collection wind speed and rotation speed of fan signal carries out hydraulic pressure
Energy（Flow）Assess and calculate, by controlling hydraulic valve 4, select the hydraulic motor 6 of fair amount to work；Work as hydraulic energy（Flow）Only
When can meet that a hydraulic pump 3 works, hydraulic valve 4-1,4-2,4-3 are controlled, leads energy storage station 8 to hydraulic motor 6-1 oil circuit
Logical, hydraulic motor 6-1 and generator 7-1 work, hydraulic pump 3-2,3-3 to the oil circuit of energy storage station 8 are turned on, energy storage station 8 to hydraulic pressure horse
Oil circuit up to 6-2,6-3 is obstructed, hydraulic motor 6-2,6-3 and generator 7-2,7-3 break-off, and all hydraulic oil enters storage
8 can be stood, so that hydraulic motor 6-1 and generator 7-1 works.If wind speed increases, more multiple generator 7 works enough, PLC
The switch of 5 corresponding adjustment hydraulic valves 4, increase more multiple generator 7 work.
When wind speed is stable and enough but not excessive, hydraulic valve 4 closes hydraulic motor 6 under the control of PLC 5
To the oil circuit of energy storage station 8, the oil circuit of conducting hydraulic pump 3 to hydraulic motor 6, hydraulic motor 6 drives the work of generator 7 to generate electricity.This
When all hydraulic motor 6 work simultaneously, three groups of generators 7 generate electricity jointly.
When wind speed is unstable or wind speed is excessive, PLC 5 is adjusted after receiving wind speed and wheel speed signal
Whole, control hydraulic valve 4 to the oil duct of energy storage station 8 selectively unlocks, and absorbs section hydraulic oil and stores, to reduce the unstable of wind energy
The system shock brought, and the hydraulic energy stored can discharge the wind speed for supplementing deficiency in wind speed deficiency.
Claims (1)
- A kind of 1. hydraulic drive wind power generating set centralized energy storage electricity generation system, it is characterised in that：Including some impellers（1）, institute State impeller（1）Pass through rotating shaft（2）Connect hydraulic pump（3）, hydraulic pump（3）Outlet is provided with hydraulic valve（4）, hydraulic valve（4）Controlled by PLC Device processed（5）Centralized Control, PLC（5）It is interior to be provided with air velocity transducer and rotation speed of fan sensor, hydraulic valve（4）Pass through pipe Road connects hydraulic motor respectively（6）And energy storage station（8）, hydraulic motor（6）With generator（7）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721099676.6U CN207178112U (en) | 2017-08-30 | 2017-08-30 | A kind of hydraulic drive wind power generating set centralized energy storage electricity generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721099676.6U CN207178112U (en) | 2017-08-30 | 2017-08-30 | A kind of hydraulic drive wind power generating set centralized energy storage electricity generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207178112U true CN207178112U (en) | 2018-04-03 |
Family
ID=61739595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721099676.6U Expired - Fee Related CN207178112U (en) | 2017-08-30 | 2017-08-30 | A kind of hydraulic drive wind power generating set centralized energy storage electricity generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207178112U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110617177A (en) * | 2018-06-20 | 2019-12-27 | 河南博奇新能源技术开发有限公司 | Wind power hydraulic power generation system and application method thereof |
| CN110805524A (en) * | 2019-11-19 | 2020-02-18 | 华北电力大学 | Offshore solar energy, wind energy and wave energy complementary power generation equipment |
-
2017
- 2017-08-30 CN CN201721099676.6U patent/CN207178112U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110617177A (en) * | 2018-06-20 | 2019-12-27 | 河南博奇新能源技术开发有限公司 | Wind power hydraulic power generation system and application method thereof |
| CN110805524A (en) * | 2019-11-19 | 2020-02-18 | 华北电力大学 | Offshore solar energy, wind energy and wave energy complementary power generation equipment |
| CN110805524B (en) * | 2019-11-19 | 2021-04-27 | 华北电力大学 | Offshore solar energy, wind energy and wave energy complementary power generation equipment |
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| 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: 20180403 |