CN105221344A - Solar electrical energy generation and wind-power electricity generation combination micro-grid system - Google Patents
Solar electrical energy generation and wind-power electricity generation combination micro-grid system Download PDFInfo
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- CN105221344A CN105221344A CN201510753873.4A CN201510753873A CN105221344A CN 105221344 A CN105221344 A CN 105221344A CN 201510753873 A CN201510753873 A CN 201510753873A CN 105221344 A CN105221344 A CN 105221344A
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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
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/46—Conversion of thermal power into mechanical power, e.g. Rankine, Stirling or solar thermal engines
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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
- 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
A kind of solar electrical energy generation and wind-power electricity generation combination micro-grid system, comprise a solar thermal collector, a wind-force hydraulic press, heat accumulation storage pressing system, a hydraulic generator, a screw expansion generator set, one first working medium pump, micro-net control device and a working medium, the inside of described heat accumulation storage pressing system comprises the first spaced cavity and the second cavity; First cavity of described solar thermal collector, heat accumulation storage pressing system, screw expansion generator set, the first working medium pump form the first power generation circuit; Second cavity, the hydraulic generator of described wind-force hydraulic press, heat accumulation storage pressing system form the second power generation circuit; The electricity that screw expansion generator set, hydraulic generator produce is carried out Control and Schedule and grid-connected by described micro-net control device.Solar electrical energy generation of the present invention and wind-power electricity generation combine micro-grid system environmental protection, structure is simple, efficiency is higher.
Description
Technical field
The present invention relates to field of renewable energy technology, particularly relate to a kind of solar electrical energy generation and wind-power electricity generation combination micro-grid system.
Background technique
Along with the exhaustion gradually of conventional energy resource and day by day increasing the weight of of environmental pollution, the numerous and confused high development renewable energy sources in countries in the world.It take renewable energy sources as the energy micro-grid system of core that Germany plan at forthcoming years construction, breaks away from the support that Europe debt crisis realizes strategic transformation, to the global industry revolution of 21st century of taking the lead in race as country.
The basic principle of Chinese Renewable Energy Development, developing goal and specific targets are illustrated in the Renewable Energy Development planning that China national Bureau of Energy formulates.According to the thinking of " suit measures to local conditions, provide multiple forms of energy to complement each other, flexible configuration, economical and efficient ", enrich at Renewable Energy Resources and possess the area of diversification utilization condition, combined with intelligent electric power network technique, to solve local powerup issue, build new energy micro-capacitance sensor engineering, set up and make full use of the novel for power mode of generation of electricity by new energy.Build new energy micro-capacitance sensor demonstration project.Ecological, environmental protective is selected to require high, that economic condition is relatively better, Renewable Energy Resources is abundant city, take the mode of unified planning, Specification Design, construction in order, being supported in city and all kinds of industrial zone advances the Integrated Demonstration of new energy technology to apply, the energy utilization patterns that alternative fire coal etc. are traditional, form the regional advantages of utilization of new energy resources.
The application of the renewable energy sourcess such as current solar energy, wind energy, biogas, underground heat is main primarily of the single energy.But single renewable energy system mostly is unstable, discontinuous, in time, season, the change such as weather and changing, poor to the system suitability of multi-form energy requirement.Various places lack practice region renewable energy sources energy supplying system being carried out to integrated planning design, assessment and operation management.Can find out that the following energy micro-grid system built based on renewable energy sources will become the core of strategy in China new industry development.
Summary of the invention
Embodiments provide a kind of environmental protection, structure is simple, efficiency is higher solar electrical energy generation and wind-power electricity generation combination micro-grid system.
A kind of solar electrical energy generation and wind-power electricity generation combination micro-grid system, comprise a solar thermal collector, a wind-force hydraulic press, heat accumulation storage pressing system, a hydraulic generator, a screw expansion generator set, one first working medium pump, micro-net control device and a working medium, the inside of described heat accumulation storage pressing system comprises the first spaced cavity and the second cavity; First cavity of described solar thermal collector, heat accumulation storage pressing system, screw expansion generator set, the first working medium pump form the first power generation circuit; Second cavity, the hydraulic generator of described wind-force hydraulic press, heat accumulation storage pressing system form the second power generation circuit; The electricity that screw expansion generator set, hydraulic generator produce is carried out Control and Schedule and grid-connected by described micro-net control device.
Further, described working medium is all conduction oil.
Further, described working medium is all fused salt.
Further, the screw expansion generator set of described first power generation circuit comprises the vaporizer, screw expansion generator, condenser and the second working medium pump that form circulation loop.
A kind of described solar electrical energy generation and wind-power electricity generation combination micro-grid system, comprise a solar thermal collector, a wind-force hydraulic press, heat accumulation storage pressing system, a hydraulic generator, a screw expansion generator set, one first working medium pump and a micro-net control device; Described wind-force hydraulic press, solar thermal collector, heat accumulation storage pressing system, hydraulic generator, screw expansion generator set adopt the mode of series connection to connect successively, form a circulation loop; Described wind-force hydraulic press is provided with the first bypass in parallel, and described first working medium pump is arranged in this first bypass in parallel; The electricity that screw expansion generator set, hydraulic generator produce is carried out Control and Schedule and grid-connected by described micro-net control device.
Further, the two ends tandem hydraulic machine control valve of described wind-force hydraulic press, the front end and back end that the first bypass in parallel is positioned at the first working medium pump is equipped with the first control valve.
Further, the two ends series connection heat collector control valve of described solar thermal collector, solar thermal collector and heat collector control valve are provided with the second bypass in parallel, and this second bypass in parallel is provided with the second control valve.
Further, the two ends series connection liquid collecting Hair Fixer motor control valve of described hydraulic generator, hydraulic generator and hydraulic generator control valve are provided with the 3rd bypass in parallel, and the 3rd bypass in parallel is provided with the 3rd control valve.
Further, the two ends series connection screw expansion generator set control valve of described screw expansion generator set, screw expansion generator set and screw expansion generator set control valve are provided with the 4th bypass in parallel, and the 4th bypass in parallel is provided with the 4th control valve.
Further, described heat accumulation storage pressing system is provided with pressure transducer and temperature transducer to detect force value and the temperature value of inner working medium.
As can be seen from the above technical solutions, the solar light-heat power-generation technology that solar electrical energy generation of the present invention and wind-power electricity generation combination micro-grid system adopt, namely high energy consumption and the environmental pollution problem of smelting polycrystalline silicon is avoided, it also avoid expensive silicon wafer photoelectric conversion technique, greatly can reduce the cost of solar electrical energy generation, be real energy saving environmental protection product.And the wind-force hydraulic press adopted, generator set is arranged on ground, convenient for installation and maintenance, greatly reduces the workload of high-lift operation.Two power generation systems share a set of heat accumulation storage pressing system, and working medium is unified, structure optimization, and system stability is efficient, can be completely achieved scene complementary, complementary round the clock for season.Can continuous and stable generating.What hydraulic generator, screw expansion generator set all adopted is Synchronous generator, and the electric energy sent merges with electrical network enough well.
Accompanying drawing explanation
Fig. 1 is the solar electrical energy generation of first embodiment of the invention and the schematic diagram of wind-power electricity generation combination micro-grid system.
Fig. 2 is the solar electrical energy generation of second embodiment of the invention and the schematic diagram of wind-power electricity generation combination micro-grid system.
Embodiment
In order to make technological scheme of the present invention more clearly show, below in conjunction with accompanying drawing, the invention will be further described.
Please refer to Fig. 1, for solar electrical energy generation and the wind-power electricity generation combination micro-grid system of the first embodiment of the present invention, comprise solar thermal collector 10, wind-force hydraulic press 20, heat accumulation storage pressing system 30, hydraulic generator 25, screw expansion generator set 15,1 first working medium pump 19, micro-net control device 40 and working medium (not shown), the inside of described heat accumulation storage pressing system 30 comprises the first spaced cavity 31 and the second cavity 32; First cavity 31, screw expansion generator set 15, first working medium pump 19 of described solar thermal collector 10, heat accumulation storage pressing system 30 form the first power generation circuit; Second cavity 32, the hydraulic generator 25 of described wind-force hydraulic press 20, heat accumulation storage pressing system 30 form the second power generation circuit; The electricity that screw expansion generator set 15, hydraulic generator 25 produce is carried out Control and Schedule and grid-connected by described micro-net control device 40.
Described solar electrical energy generation and wind-power electricity generation combine the working medium adopted in micro-grid system and are all conduction oil or fused salt, and cheap, safe and reliable, system is easily integrated.
The screw expansion generator set 15 of described first power generation circuit comprises the vaporizer 16, screw expansion generator 17, condenser 165 and the second working medium pump 18 that form circulation loop.What this screw expansion generator set 15 adopted is solar light-heat power-generation, and generating transition point is lower, can be low to moderate 160 DEG C.
The working principle of the solar electrical energy generation of the present embodiment and wind-power electricity generation combination micro-grid system is as follows:
In described first power generation circuit, the first working medium pump 19 is transported to solar thermal collector 10 working medium and conduction oil or fused salt and heats, and carries out heat accumulation in the first cavity 31 that the working medium after being heated flow into heat accumulation storage pressing system 30; When the temperature of working medium reach or higher than predefined value time, the working medium of the first cavity 31 of heat accumulation storage pressing system 30 flows into vaporizer 16, low temperature low pressure steam or vehicle repair major gas during water in heating fumigators 16 or organic working medium become, enter the screw machine demi-inflation acting of screw expansion generator 17, lead-screw machine part rotates, and drives the master section generating of screw expansion generator 17; Finish gas decrease temperature and pressure after merit, become liquid by condenser condenses, then get back to vaporizer 16 by the second working medium pump 18 and enter next circulation; And the working medium heat entering evaporator 16 pass to water in vaporizer 16 or organic working medium after temperature reduce and turn cold, cooled working medium is got back to solar thermal collector 10 through the first working medium pump 19 and is carried out next circulation.
In described second power generation circuit, the blade of wind-force hydraulic press 20 is subject to Wind power propelling and rotates, and drives operation of oil pump, sets up oil pressure, and the second cavity 32 that the working medium after pressurization enters heat accumulation storage pressing system 30 as oil or fused salt carries out storage pressure.When the pressure of the working medium in the second cavity 32 reach or higher than predefined value time, this working medium enters hydraulic generator 25, high pressure oil earth pressure release, promotes hydraulic generator 25 and generates electricity, and the low pressure working fluid finishing merit enters next circulation.
Arrange by above-mentioned first power generation circuit and the second power generation circuit are parallel, by micro-net control device 40 United Dispatching, deliver to user load according to user's request by electric transmission line or be incorporated to energy internet.
As shown in Figure 2, for solar electrical energy generation and the wind-power electricity generation combination micro-grid system of the second embodiment of the present invention, comprise a solar thermal collector 10a, a wind-force hydraulic press 20a, a heat accumulation storage pressing system 30a, a hydraulic generator 25a, a screw expansion generator set 15a, one first working medium pump 19a and micro-net control device 40a.Be with first embodiment's difference, the solar electrical energy generation of the second embodiment adopts the mode of series connection to be connected with wind-force hydraulic press 20a, the solar thermal collector 10a of wind-power electricity generation combination micro-grid system, heat accumulation storage pressing system 30a, hydraulic generator 25a, screw expansion generator set 15a successively, forms a circulation loop.Wherein the electricity that screw expansion generator set 15a, hydraulic generator 25a produce is carried out Control and Schedule and grid-connected by micro-net control device 40a.
In the present embodiment, the working medium of described wind-force hydraulic press 20a, solar thermal collector 10a shares, and namely this working medium absorbs heat through solar thermal collector 10a after wind-force hydraulic press 20a obtains the energy of pressure; And existing pressure has the working medium of heat to enter heat accumulation storage pressing system 30a storage, this heat accumulation storage pressing system 30a is without the need to dividing cavity again.This heat accumulation storage pressing system 30a is provided with pressure transducer and temperature transducer to detect force value and the temperature value of working medium.
The two ends tandem hydraulic machine control valve 21a of described wind-force hydraulic press 20a, the route of this wind-force hydraulic press 20a and tandem hydraulic machine control valve 21a is provided with the first bypass 50 in parallel, described first working medium pump 19a is arranged in this first bypass 50 in parallel, and the front end and back end that the first bypass 50 in parallel is positioned at the first working medium pump 19a is equipped with the first control valve 51.
The two ends series connection heat collector control valve 11a of described solar thermal collector 10a, solar thermal collector 10a and heat collector control valve 11a is provided with the second bypass 60 in parallel, and this second bypass 60 in parallel is provided with the second control valve 61.
The two ends series connection liquid collecting Hair Fixer motor control valve 251a of described hydraulic generator 25a, hydraulic generator 25a and hydraulic generator control valve 251a is provided with the 3rd bypass the 70, three in parallel bypass 70 in parallel and is provided with the 3rd control valve 71.
Described screw expansion generator set 15a comprises and forms the vaporizer 16a of circulation loop, screw expansion generator 17a, condenser 165a and the second working medium pump 18a.The two ends series connection screw expansion generator set control valve 151a of described screw expansion generator set 15a, screw expansion generator set 15a and screw expansion generator set control valve 151a is provided with the 4th bypass the 80, four in parallel bypass 80 in parallel and is provided with the 4th control valve 81.In the present embodiment, described vaporizer 16a is connected with hydraulic generator 25a and wind-force hydraulic press 20a, and screw expansion generator set control valve 151a is connected on the two ends of vaporizer 16a.
When the solar electrical energy generation of the second embodiment of the present invention and wind-power electricity generation combination micro-grid system work, when wind-force hydraulic press 20a works, hydraulic press control valve 21a opens, first working medium pump 19a and the first control valve 51 are all closed, and wind-force hydraulic press 20a provide the working medium with high pressure to solar thermal collector 10a.When wind-force hydraulic press 20a does not work, hydraulic press control valve 21a closes, and the first working medium pump 19a and the first control valve 51 are all opened, and provides the working medium with the pressure maintaining flowing to solar thermal collector 10a;
When solar thermal collector 10a works, heat collector control valve 11a opens, and the first control valve 51 of the first bypass 50 in parallel is closed, and solar thermal collector 10a heats the working medium that hydraulic press control valve 21a or the first working medium pump 19a injects.When solar thermal collector 10a does not work, heat collector control valve 11a closes, and the first control valve 51 of the first bypass 50 in parallel is opened, and working medium flows to heat accumulation storage pressing system 30a.
Understandably, when wind-force hydraulic press 20a and solar thermal collector 10a does not work simultaneously, the first working medium pump 19a does not also work, and closes the first control valve 51.
When heat accumulation storage pressing system 30a detects that the pressure of inner working medium reaches or higher than setting value, opens liquid collecting Hair Fixer motor control valve 251a, close the 3rd control valve 71, the working medium of high pressure promotes hydraulic generator 25a generating; Otherwise closure set hydraulic generator control valve 251a, opens the 3rd control valve 71; When heat accumulation storage pressing system 30a detects that the temperature of inner working medium reaches or higher than setting value, opens screw expansion generator set control valve 151a, and close the 4th control valve 81; Otherwise close screw expansion generator set control valve 151a, open the 4th control valve 81; When heat accumulation storage pressing system 30a detects the pressure of inner working medium and temperature all reaches or higher than setting value, then liquid collecting Hair Fixer motor control valve 251a, screw expansion generator set control valve 151a, the 3rd control valve 71, the 4th control valve 81 Close All.
Understandably, each control valve all can be controlled by micro-net control device 40a, and the working state of solar thermal collector 10a detects judgement by set temperature sensor, hydraulic generator 25a is judged by pressure transducer.
Understandably, an energy job in same time wind-force hydraulic press 20a and solar thermal collector 10a can ensured, or when the idle running of the system of permission, each control valve, the second bypass 60 in parallel, the 3rd bypass 70 in parallel, the 4th bypass 80 in parallel all can be omitted need not.
The solar light-heat power-generation technology that solar electrical energy generation of the present invention and wind-power electricity generation combination micro-grid system adopt, namely high energy consumption and the environmental pollution problem of smelting polycrystalline silicon is avoided, it also avoid expensive silicon wafer photoelectric conversion technique, greatly can reduce the cost of solar electrical energy generation, be real energy saving environmental protection product.And the wind-force hydraulic press adopted, generator set is arranged on ground, convenient for installation and maintenance, greatly reduces the workload of high-lift operation.Two power generation systems share a set of heat accumulation storage pressing system, and working medium is unified, structure optimization, and system stability is efficient, can be completely achieved scene complementary, complementary round the clock for season.Can continuous and stable generating.What hydraulic generator, screw expansion generator set all adopted is Synchronous generator, and the electric energy sent merges with electrical network enough well.
The above, above embodiment only in order to technological scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technological scheme.
Claims (10)
1. a solar electrical energy generation and wind-power electricity generation combination micro-grid system, it is characterized in that: comprise a solar thermal collector, a wind-force hydraulic press, heat accumulation storage pressing system, a hydraulic generator, a screw expansion generator set, one first working medium pump, micro-net control device and a working medium, the inside of described heat accumulation storage pressing system comprises the first spaced cavity and the second cavity; First cavity of described solar thermal collector, heat accumulation storage pressing system, screw expansion generator set, the first working medium pump form the first power generation circuit; Second cavity, the hydraulic generator of described wind-force hydraulic press, heat accumulation storage pressing system form the second power generation circuit; The electricity that screw expansion generator set, hydraulic generator produce is carried out Control and Schedule and grid-connected by described micro-net control device.
2. solar electrical energy generation according to claim 1 and wind-power electricity generation combination micro-grid system, is characterized in that: described working medium is all conduction oil.
3. solar electrical energy generation according to claim 1 and wind-power electricity generation combination micro-grid system, is characterized in that: described working medium is all fused salt.
4. solar electrical energy generation according to claim 1 and wind-power electricity generation combination micro-grid system, is characterized in that: the screw expansion generator set of described first power generation circuit comprises the vaporizer, screw expansion generator, condenser and the second working medium pump that form circulation loop.
5. solar electrical energy generation and a wind-power electricity generation combination micro-grid system, is characterized in that: comprise a solar thermal collector, a wind-force hydraulic press, heat accumulation storage pressing system, a hydraulic generator, a screw expansion generator set, one first working medium pump and a micro-net control device; Described wind-force hydraulic press, solar thermal collector, heat accumulation storage pressing system, hydraulic generator, screw expansion generator set adopt the mode of series connection to connect successively, form a circulation loop; Described wind-force hydraulic press is provided with the first bypass in parallel, and described first working medium pump is arranged in this first bypass in parallel; The electricity that screw expansion generator set, hydraulic generator produce is carried out Control and Schedule and grid-connected by described micro-net control device.
6. solar electrical energy generation according to claim 5 and wind-power electricity generation combination micro-grid system, is characterized in that: the two ends tandem hydraulic machine control valve of described wind-force hydraulic press, the front end and back end that the first bypass in parallel is positioned at the first working medium pump is equipped with the first control valve.
7. solar electrical energy generation according to claim 6 and wind-power electricity generation combination micro-grid system, it is characterized in that: the two ends series connection heat collector control valve of described solar thermal collector, solar thermal collector and heat collector control valve are provided with the second bypass in parallel, and this second bypass in parallel is provided with the second control valve.
8. solar electrical energy generation according to claim 7 and wind-power electricity generation combination micro-grid system, it is characterized in that: the two ends series connection liquid collecting Hair Fixer motor control valve of described hydraulic generator, hydraulic generator and hydraulic generator control valve are provided with the 3rd bypass in parallel, and the 3rd bypass in parallel is provided with the 3rd control valve.
9. solar electrical energy generation according to claim 8 and wind-power electricity generation combination micro-grid system, it is characterized in that: the two ends series connection screw expansion generator set control valve of described screw expansion generator set, screw expansion generator set and screw expansion generator set control valve are provided with the 4th bypass in parallel, and the 4th bypass in parallel is provided with the 4th control valve.
10. the solar electrical energy generation according to any one of claim 5 to 9 and wind-power electricity generation combination micro-grid system, is characterized in that: described heat accumulation storage pressing system is provided with pressure transducer and temperature transducer to detect force value and the temperature value of inner working medium.
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| CN201510753873.4A CN105221344B (en) | 2015-11-04 | 2015-11-04 | Solar power generation and wind-power electricity generation combine micro-grid system |
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| CN201510753873.4A CN105221344B (en) | 2015-11-04 | 2015-11-04 | Solar power generation and wind-power electricity generation combine micro-grid system |
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| CN105221344A true CN105221344A (en) | 2016-01-06 |
| CN105221344B CN105221344B (en) | 2018-11-02 |
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| CN105221344B (en) | 2018-11-02 |
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