CN107061176A - Distributed hydraulic pressure generating system - Google Patents
Distributed hydraulic pressure generating system Download PDFInfo
- Publication number
- CN107061176A CN107061176A CN201710344628.7A CN201710344628A CN107061176A CN 107061176 A CN107061176 A CN 107061176A CN 201710344628 A CN201710344628 A CN 201710344628A CN 107061176 A CN107061176 A CN 107061176A
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- Prior art keywords
- hydraulic
- energy
- distributed
- electric power
- input devices
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/08—Adaptations for driving, or combinations with, pumps
-
- 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
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
-
- 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
Abstract
The present invention relates to a kind of distributed hydraulic pressure generating system, including some energy input devices, hydraulic transduction device and the electric power output apparatus being sequentially connected, energy input devices, hydraulic transduction device and electric power output apparatus are connected with monitoring system；Wherein, hydraulic transduction device is several hydraulic pumps, and electric power output apparatus includes some groups of connected hydraulic motors and generator, hydraulic pump connection hydraulic motor.The present invention can realize multiple kinds of energy input and one or more electric power output, form distributed hydraulic pressure generating system, not by the grid-connected limitation of power network, the electric energy that load end can be produced preferentially using distributed hydraulic control electricity generation system, the distributed hydraulic control electricity generation system of public electric wire net supplement is because of the energy demand of the not enough load end of input, the flexible input and output of energy can be reached, capacity usage ratio is improved；Pylon only needs to install energy input devices and hydraulic transduction device, mitigates tower weight, improves operation stability.
Description
Technical field
The invention belongs to the power supply technique field that generates electricity, and in particular to a kind of distributed hydraulic pressure generating system.
Background technology
It is increasingly exhausted with the excessive exploitation of non-renewable energy resources.Therefore, wind energy, the regenerative resource such as ocean energy is opened
Send out imperative.Regenerative resource, which has, contains total amount greatly, and concentration degree is low, and energy density is small, the features such as unstable, so its energy
Often there are many technical bottlenecks in amount switch technology.But in order to realize the commercial Application of regenerative resource, its energy is changed
Technology proposes very high industrial requirement.For renewable energy power generation technology and generating quality, country clearly proposes necessary
It is " to meet the regenerative resource of interconnection technology standard." otherwise, the utilization of regenerative resource will be an empty verbiage.
Based on regenerative resource distributed generation system is substantially generated electricity with photovoltaic solar in recent years.Energy source is the sun
Can, the major defect of this electricity generation system is that power fluctuation have impact on generating voltage, very big shadow is generated for grid-connected
Ring, have impact on the promotion and application of this system.Traditional wind generator system, due to its monolithic construction, mechanical energy
Amount transmission, causes it to be difficult to distributed power generation.
Current wind generator system prevalence is variable-speed constant-frequency wind power generation system, there are following shortcomings and deficiencies：
1. variable speed constant frequency generator system reaches the purpose of constant frequency using electronic power convertor by terminal control, because
This generating quality is bad；
2. existing variable speed constant frequency generator system typically all includes booster engine and electronic power convertor, therefore its manufacturing cost
It is high；
3. variable speed constant frequency generator system is generally installed on pylon, and pylon volume is big, weight big, and mounting cost is high；
4. variable speed constant frequency generator system regular maintenance cost is high.
The content of the invention
It is an object of the invention to overcome problems of the prior art there is provided a kind of distributed hydraulic pressure generating system,
Realize that the flexibility of energy is utilized, improve capacity usage ratio.
In order to achieve the above object, the present invention is adopted the following technical scheme that：
Including some energy input devices, hydraulic transduction device and the electric power output apparatus being sequentially connected, energy input
Device, hydraulic transduction device and electric power output apparatus are connected with monitoring system；Wherein, hydraulic transduction device is several hydraulic pressure
Pump, electric power output apparatus includes some groups of connected hydraulic motors and generator, hydraulic pump connection hydraulic motor.
Further, the number of hydraulic transduction device and the number of energy input devices are equal.
Further, hydraulic pump connects hydraulic motor by fluid pressure line.
Further, hydraulic pump is one and hydraulic motor of the hydraulic pump connection no less than two.
Further, hydraulic pump is no less than two and all hydraulic pump connects a hydraulic motor.
Further, energy input devices include wind turbine, the hydraulic turbine or steam turbine.
Further, buncher is set between energy input devices and hydraulic transduction device.
Compared with prior art, the present invention has following beneficial technique effect：
The present invention is by setting some energy input devices being sequentially connected, hydraulic transduction device and electric power output to fill
Put, multiple kinds of energy input and one or more electric power output can be realized, form distributed hydraulic pressure generating system, not by power network simultaneously
Net limitation, the electric energy that load end can be produced preferentially using distributed hydraulic control electricity generation system, public electric wire net supplement is distributed
Hydraulic control electricity generation system can reach the flexible input and output of energy because of the energy demand of the not enough load end of input, improve energy
Utilization rate is measured, electricity cost is saved, reduces electric cost；The part of the present invention connects to form flexible structure, so as to realize
Pylon only needs to install energy input devices and hydraulic transduction device, other capital equipments, such as hydraulic motor, generator and monitoring
System etc. can be installed on ground or suitable position, mitigate tower weight significantly, reduce manufacturing cost, and it is steady to improve operation
It is qualitative.The present invention is energy transmission medium by hydraulic pressure, effectively reduces power fluctuation for grid-connected influence, is conducive to system
Promotion and application；Meanwhile, the present invention is easy to implement modularization, seriation, effectively reduces research and development and production cost, significantly
Facilitate the popularization and application of the present invention.
Further, the present invention drives an electric power output apparatus by designing many energy input devices, realizes a variety of
Energy input and all the way electric power output, meet load end significant power demand, flexible arrangement.
Further, the present invention drives some electric power output apparatus by an energy input devices, realizes Multi-path electricity
Power is exported, and meets load end low power demand.
Further, the present invention can be used for nature stream to generate electricity, such as wind, the stream energy such as water, and use distributed arrangement, be easy to
Product seriation research and development, installation, maintenance.
Further, the present invention sets buncher between energy input devices and hydraulic transduction device, as soft
Property speed increaser, natural energy is better achieved --- the stepless changing of electric energy, transmission motion homogeneous it is steady, it is easy to accomplish quickly open
Dynamic, braking, so as to effectively eliminate influence of the turbine rotation speed change to generation frequency.
Brief description of the drawings
Fig. 1 drags the schematic diagram of N-type system for the present invention one；
Fig. 2 is the schematic diagram that N of the present invention drags a type system.
1- energy input devices；2- hydraulic transduction devices；3- hydraulic motors；4- generators；5- electric power output apparatus；6- liquid
Press pump；7- fluid pressure lines；8- monitoring systems.
Embodiment
The present invention is described in further details below in conjunction with the accompanying drawings.
Referring to Fig. 1 and Fig. 2, energy input devices 1, hydraulic transduction device 2 and the electric power that the present invention includes being sequentially connected are defeated
Go out device 5, energy input devices 1, hydraulic transduction device 2 and electric power output apparatus 5 are connected with monitoring system 8, energy input
Other energy are changed into hydraulic energy by device 1；Hydraulic energy is sent to electric power output apparatus 5, electric power output by hydraulic transduction device 2
Device 5 needs to carry out energy distribution according to load, and monitoring system 8 carries out total system monitoring.
Energy input devices 1 can be an energy input equipment in the present invention；Can also be multiple energy input equipment,
Energy input devices group is formed, mechanical energy, including wind turbine multiple kinds of energy can be converted into, the hydraulic turbine, steam turbine etc., but not
It is confined to natural stream energy of the Continuous Energies such as wind energy, water energy, ocean current energy etc..
Hydraulic transduction device 2 includes some hydraulic pumps 6 and fluid pressure line 7；Between energy input devices 1 and hydraulic pump 6
Buncher is set；Electric power output apparatus 5 includes some groups of connected hydraulic motors 3 and generator 4, a hydraulic motor 3
One group of electric power output apparatus is constituted with a generator 4.Mechanical energy is wherein converted into by hydraulic pump 6 by hydraulic energy, and passed through
Fluid pressure line 7 is delivered to hydraulic energy the hydraulic motor 3 of next stage electric power output apparatus 5, and hydraulic motor 3 is hydraulic energy transfer
Mechanical energy is converted into electric energy and exported by mechanical energy, generator 4.
The number of hydraulic pump 6 is equal with the number of energy input devices 1, and system includes three kinds of forms in the present invention, and one drags N
Type：Hydraulic pump 6 is one and the hydraulic pump 6 passes through no less than two hydraulic motors 3 of the connection of fluid pressure line 7, multiple hydraulic motors 3
Electric power output apparatus group is constituted with generator 4, some liquid formed in a dragging electric power output apparatus 5 of energy input devices 1
The combination of pressure motor 3 and generator 4；N drags a type：Hydraulic pump 6 is no less than two, forms hydraulic transduction device group, and all liquid
Press pump 6 connects a hydraulic motor 3 by fluid pressure line 7, is formed in some dragging of energy input devices 1 electric power output apparatus 5
A hydraulic motor 3 and generator 4 combination.N drags N-type：One drags N and N to drag one can be combined drags N-type as N.
In use, the combining form of a hydraulic motor 3 and generator 4 is dragged for many energy input devices 1, work
Process is：Several energy input devices 1 are operated simultaneously, drive the hydraulic pump 6 of identical quantity to rotate, hydraulic energy is delivered to electricity
Only have a hydraulic motor 3 and a generator 4 in power output device 5, electric power output apparatus 5, meet the high-power need of load end
Ask.
The combining form of some hydraulic motors 3 and generator 4, the course of work are dragged for an energy input equipment
It is：One energy input devices 1 is operated, and drives a hydraulic pump 6 to rotate, hydraulic energy is delivered to electric power output apparatus 5, electric power
Some hydraulic motors 3 and generator 4 are included in output device 5, load end low power demand is met.
Turn the invention provides a kind of distributed hydraulic pressure generating system, including a number of energy input equipment, energy
Exchange device and a number of electric power output equipment, using hydraulic pressure as energy conversion medium, realize multiple kinds of energy input and all the way or
Multiple power is exported, and meets distributed power generation, not by the grid-connected limitation of power network, can be directly connected to generator for load supplying, also may be used
Think that public electric wire net generates electricity, be achieved in that the flexibility of energy is utilized, saved electricity cost, maintenance cost is low, reduces
Electric cost.
Distributed energy of the present invention, with bulk power grid organic unity, indispensable, is realized as the important supplement of energy resource system
In the case of different operating modes, the flexibility of energy output and the seriation of manufacture；It is energy transmission medium by hydraulic pressure, effectively subtracts
Lack power fluctuation for grid-connected influence, be conducive to the promotion and application of system；Meanwhile, compared with conventional electricity generation system, this
Invention is easy to implement modularization, seriation, effectively reduces research and development and manufacturing cost, greatly facilitates pushing away for the system
Wide application, also improves installation and safeguards convenience.
Traditional natural energy generating set is solved generation frequency by electric energy frequency modulation device by terminal control and fluctuated by the present invention,
Reform as process control, unstable natural energy be converted into by the flexible process control of middle hydraulic energy by stable electric energy,
Unordered, uncontrollable natural energy is realized to generate electricity to orderly, controllable electric conversion of energy.
Present invention employs " flexibility " mechanism of variable-ratio." flexibility " is embodied in two aspects：One is that type of attachment is " soft
Property " structure, it is achieved thereby that pylon only needs to install energy input devices and hydraulic transduction device, such as other capital equipments, hydraulic pressure
Motor, generator and monitoring system etc. can be installed on ground or suitable position, mitigated tower weight significantly, reduced and be manufactured into
This, and operation stability can be improved.Two be that " flexibility " speed increaser is employed between energy input devices and hydraulic transduction device
(buncher), can be achieved natural energy --- the stepless changing of electric energy, and transmission motion homogeneous is steady, it is easy to accomplish quickly open
Dynamic, braking, so as to effectively eliminate influence of the turbine rotation speed change to generation frequency.
Distribution hydraulic electricity generation equipment of the invention easily realizes the seriation of product, using flexible distributed arrangement mode.
And a variety of power demands can be met simultaneously.A serial exploitation just can be realized by the research and development to elementary cell, mainly
There is 1 to drag N, N to drag 1, N to drag N isotypes.
Claims (7)
1. a kind of distributed hydraulic pressure generating system, it is characterised in that：Including be sequentially connected some energy input devices (1),
Hydraulic transduction device (2) and electric power output apparatus (5), energy input devices (1), hydraulic transduction device (2) and electric power output dress
(5) are put with monitoring system (8) to be connected；Wherein, hydraulic transduction device (2) is several hydraulic pumps (6), electric power output apparatus
(5) some groups of connected hydraulic motors (3) and generator (4), hydraulic pump (6) connection hydraulic motor (3) are included.
2. a kind of distributed hydraulic pressure generating system according to claim 1, it is characterised in that：Hydraulic transduction device (2)
Number is equal with the number of energy input devices (1).
3. a kind of distributed hydraulic pressure generating system according to claim 1, it is characterised in that：Hydraulic pump (6) passes through hydraulic pressure
Pipeline (7) connection hydraulic motor (3).
4. a kind of distributed hydraulic pressure generating system according to claim 1-3 any one, it is characterised in that：Hydraulic pump
(6) it is one and hydraulic motor (3) of the hydraulic pump (6) connection no less than two.
5. a kind of distributed hydraulic pressure generating system according to claim 1-3 any one, it is characterised in that：Hydraulic pump
(6) two are no less than and all hydraulic pump (6) connects a hydraulic motor (3).
6. a kind of distributed hydraulic pressure generating system according to claim 1, it is characterised in that：Energy input devices (1) are wrapped
Include wind turbine, the hydraulic turbine or steam turbine.
7. a kind of distributed hydraulic pressure generating system according to claim 1, it is characterised in that：Energy input devices (1) and
Hydraulic transduction device sets buncher between (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710344628.7A CN107061176A (en) | 2017-05-16 | 2017-05-16 | Distributed hydraulic pressure generating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710344628.7A CN107061176A (en) | 2017-05-16 | 2017-05-16 | Distributed hydraulic pressure generating system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107061176A true CN107061176A (en) | 2017-08-18 |
Family
ID=59609505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710344628.7A Pending CN107061176A (en) | 2017-05-16 | 2017-05-16 | Distributed hydraulic pressure generating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107061176A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030858A (en) * | 2022-05-16 | 2022-09-09 | 西安交通大学 | Distributed ocean current energy water turbine control power generation system based on cluster intelligent optimization |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195667A (en) * | 2013-04-25 | 2013-07-10 | 国家电网公司 | Distributive-type liquid control frequency-stabilization vertical-axis wind power generating system |
| CN206845392U (en) * | 2017-05-16 | 2018-01-05 | 西安交通大学 | A kind of distributed hydraulic pressure generating system |
-
2017
- 2017-05-16 CN CN201710344628.7A patent/CN107061176A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103195667A (en) * | 2013-04-25 | 2013-07-10 | 国家电网公司 | Distributive-type liquid control frequency-stabilization vertical-axis wind power generating system |
| CN206845392U (en) * | 2017-05-16 | 2018-01-05 | 西安交通大学 | A kind of distributed hydraulic pressure generating system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115030858A (en) * | 2022-05-16 | 2022-09-09 | 西安交通大学 | Distributed ocean current energy water turbine control power generation system based on cluster intelligent optimization |
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