CN110752620A - Novel wind, light and heat combined power generation system - Google Patents
Novel wind, light and heat combined power generation system Download PDFInfo
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- CN110752620A CN110752620A CN201911188910.6A CN201911188910A CN110752620A CN 110752620 A CN110752620 A CN 110752620A CN 201911188910 A CN201911188910 A CN 201911188910A CN 110752620 A CN110752620 A CN 110752620A
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- 238000010248 power generation Methods 0.000 title claims abstract description 58
- 230000005540 biological transmission Effects 0.000 claims abstract description 29
- 238000001514 detection method Methods 0.000 claims abstract description 29
- 230000033228 biological regulation Effects 0.000 claims abstract description 17
- 230000001105 regulatory effect Effects 0.000 claims abstract description 16
- 230000005622 photoelectricity Effects 0.000 claims abstract description 9
- 230000005619 thermoelectricity Effects 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims description 20
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 102000002067 Protein Subunits Human genes 0.000 claims description 6
- 108010001267 Protein Subunits Proteins 0.000 claims description 6
- 230000009466 transformation Effects 0.000 claims description 6
- 230000001276 controlling effect Effects 0.000 claims description 4
- 230000000087 stabilizing effect Effects 0.000 claims description 4
- 230000005693 optoelectronics Effects 0.000 claims description 3
- 230000006641 stabilisation Effects 0.000 claims description 2
- 238000011105 stabilization Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract 1
- 230000003203 everyday effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
- H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
- H02S10/12—Hybrid wind-PV energy systems
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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
- Y02E10/50—Photovoltaic [PV] 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
- Y02E10/76—Power conversion electric or electronic aspects
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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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- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Wind Motors (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a novel wind, light and heat combined power generation system, which comprises a power regulation and control unit, a power detection unit, a power storage unit and a power generation unit, wherein the power regulation and control unit is used for regulating the power of a wind turbine; the power regulation and control unit is used for regulating the fluctuation and the amplitude of power and regulating the power output of wind power, photoelectricity and thermoelectricity; the power detection unit is used for detecting power output information of wind power, photoelectricity and thermoelectricity, judging the current power transmission state according to the power output information, and evaluating a safety level according to the current power transmission state; the power storage unit is used for storing electric energy; the power generation unit comprises a wind electronic unit, a photoelectronic unit and a photo-thermal subunit. The method solves the problem that uncertainty of multi-day wind and light power prediction needs to be considered in the prior art, and can regulate and control wind, light and heat combined power generation, so that influence of external environment on power generation is avoided.
Description
Technical Field
The invention relates to the technical field of new energy, in particular to a novel wind, light and heat combined power generation system.
Background
When the photo-thermal power station and the wind power form a combined system for power generation, the photo-thermal power station can reduce the uncertainty of the wind power, but the wind and light power conditions have fluctuation in different scheduling days, so that the scheduling capability of the photo-thermal power station required by the combined system is different from the actual scheduling capability of the photo-thermal power station every day.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a novel wind, light and heat combined power generation system, solves the problem that uncertainty of multi-day wind and light power prediction needs to be considered in the prior art, and can regulate and control wind, light and heat combined power generation so as to avoid influence of external environment on power generation.
The purpose of the invention is realized by the following technical scheme:
a novel wind, light and heat combined power generation system comprises a power regulation and control unit, a power detection unit, a power storage unit and a power generation unit; the power regulation and control unit is used for regulating the fluctuation and the amplitude of power and regulating the power output of wind power, photoelectricity and thermoelectricity; the power detection unit is used for detecting power output information of wind power, photoelectricity and thermoelectricity, judging the current power transmission state according to the power output information, and evaluating a safety level according to the current power transmission state; the power storage unit is used for storing electric energy; the power generation unit comprises a wind electronic unit, a photoelectronic unit and a photo-thermal subunit.
Further, the wind power electronic unit comprises a wind power conversion mechanism, a wind power generation mechanism and a power storage device; the optoelectronic unit comprises a photoelectric conversion device and a power control device; the photo-thermal subunit comprises a light-gathering heat-absorbing device, a heat-absorbing storage device and a thermal circulation device;
the wind power conversion mechanism is used for converting wind power into mechanical power and driving the wind power generation mechanism to move through the mechanical power;
the wind power generation mechanism is used for converting mechanical kinetic energy into electric energy and transmitting the electric energy to the electric power storage device;
the power storage device is used for storing and regulating the electric energy of the wind power generation;
the photoelectric conversion device converts mechanical kinetic energy into electric energy and transmits the electric energy to the electric control device;
the power control device is used for regulating and controlling the electric energy of the photoelectric conversion device;
the light-gathering heat absorption device is used for transferring heat energy to the heat absorption storage device through a heat transfer working medium;
the heat absorption storage device is used for entering the thermodynamic cycle device through heat exchange.
Furthermore, the light-gathering and heat-absorbing device comprises a heat-collecting mirror surface and a heat collector, the heat collector is arranged in the center of the heat-collecting mirror surface, and the heat collector is connected with the heat-absorbing storage device through a heat transfer medium and a heat transfer pipeline.
Further, the thermodynamic cycle device comprises a heat exchanger and a power generation device, wherein the heat exchanger is used for converting the absorbed heat energy into a power generation working medium and realizing energy conversion in the power generation device to generate power.
Furthermore, the electric power regulation and control unit comprises a voltage transformation device, a voltage stabilizing device, a power supply distribution device and a remote transmission device; the transformation device and the voltage stabilizing device are respectively arranged on power transmission branches of the wind power electronic unit, the photoelectronic unit and the photothermal sub unit, the power inlet end of the power supply distribution device is respectively connected with the power transmission branches of the wind power electronic unit, the photoelectronic unit and the photothermal sub unit, and the other end of the power supply distribution device is electrically connected with the power transmission main circuit; the power distribution device is also connected with the remote transmission device.
Further, the remote transmission device is connected with the cloud server or the mobile terminal through a network.
Further, the power detection unit includes instantaneous current detection, current overcurrent detection, instantaneous voltage detection, voltage zero-crossing detection, and power loss detection.
The invention has the beneficial effects that:
the invention gives consideration to the operation constraint of a power grid, provides the technology of wind power, photovoltaic and photo-thermal combined power generation, avoids the problem that the traditional power supply allocation capacity is different every day due to the dependence on sunlight or wind power, solves the problem of uncertainty of multi-solar wind and light power prediction, and can regulate and control wind, light and heat combined power generation, thereby avoiding the influence of external environment on power generation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure, the system comprises a power storage unit 10, a power detection unit 11, a power regulation and control unit 12, a wind power conversion mechanism 13, a wind power generation mechanism 14, a power storage device 15, a photoelectric conversion device 16, a power control device 17, a light-gathering and heat-absorbing device 18, a heat-absorbing storage device 19 and a thermal circulation device 20.
Detailed Description
The technical solutions of the present invention are further described in detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following.
Example 1:
the present embodiment provides a novel wind, light and heat combined power generation system, please refer to fig. 1, which includes a power regulation unit 12, a power detection unit 11, a power storage unit 10 and a power generation unit; the power regulating and controlling unit 12 is used for regulating the fluctuation and amplitude of power and for regulating the power output of wind power, photoelectricity and thermoelectricity; the power detection unit 11 is used for detecting power output information of wind power, photoelectricity and thermoelectricity, judging a current power transmission state according to the power output information, and evaluating a safety level according to the current power transmission state; the power storage unit 10 is used for storing electric energy; the power generation unit comprises a wind electronic unit, a photoelectronic unit and a photo-thermal subunit.
The wind power electronic unit comprises a wind power conversion mechanism 13, a wind power generation mechanism 14 and a power storage device 15; the optoelectronic unit comprises a photoelectric conversion device 16 and a power control device 17; the photo-thermal subunit comprises a light-gathering heat-absorbing device 18, a heat-absorbing storage device 19 and a thermal cycle device 20;
the wind power conversion mechanism 13 is used for converting wind power into mechanical power and driving the wind power generation mechanism to move through the mechanical power;
the wind power generation mechanism 14 is used for converting mechanical kinetic energy into electric energy and transmitting the electric energy to the electric power storage device;
the power storage device 15 is used for storing and regulating the electric energy generated by wind power generation;
the photoelectric conversion device 16 converts mechanical kinetic energy into electric energy and transmits the electric energy to the power control device;
the power control device 17 is used for regulating and controlling the electric energy of the photoelectric conversion device;
the light-gathering heat absorption device 18 is used for transferring heat energy to the heat absorption storage device through a heat transfer working medium;
the heat-absorbing storage device 19 is used for entering the thermodynamic cycle device through heat exchange.
The light-gathering and heat-absorbing device 18 comprises a heat-collecting mirror surface and a heat collector, the heat collector is arranged in the center of the heat-collecting mirror surface, and the heat collector is connected with the heat-absorbing storage device through a heat transfer medium and a heat transfer pipeline.
The thermodynamic cycle device 20 includes a heat exchanger for converting the absorbed heat energy into a power generation working medium and a power generation device for generating power by energy conversion in the power generation device.
The power regulation and control unit 12 comprises a voltage transformation device, a voltage stabilization device, a power supply distribution device and a remote transmission device; the transformation device and the voltage stabilizing device are respectively arranged on power transmission branches of the wind power electronic unit, the photoelectronic unit and the photothermal sub unit, the power inlet end of the power supply distribution device is respectively connected with the power transmission branches of the wind power electronic unit, the photoelectronic unit and the photothermal sub unit, and the other end of the power supply distribution device is electrically connected with the power transmission main circuit; the power distribution device is also connected with the remote transmission device.
The remote transmission device is connected with the cloud server or the mobile terminal through a network.
The power detection unit 11 includes instantaneous current detection, current overcurrent detection, instantaneous voltage detection, voltage zero-crossing detection, and power loss detection.
Example 2:
on the basis of embodiment 1, when the illumination intensity is low and the wind power intensity is high, the electric quantity of wind power generation is higher than that of photovoltaic power generation and photo-thermal power generation, and at this time, the power regulation and control unit is only needed to regulate and control the power transmission of the wind power generation branch.
Example 3:
in this embodiment, on the basis of the embodiment 1 and the embodiment 2, the illumination sensor, the wind power detection device and the rainfall detection device can feed back the detected data information in real time, and the power regulation and control unit regulates and controls the power transmission conditions of wind power, photoelectricity and thermoelectricity according to the acquired data information.
Example 4:
in this embodiment, on the basis of embodiments 1 to 3, the remote transmission device is connected to the cloud server or the mobile terminal through the network, the mobile terminal can control the regulation and control state of the power regulation and control unit, and the operation log is uploaded to the cloud server for backup after each operation of the power regulation and control unit.
The invention gives consideration to the operation constraint of a power grid, provides the technology of wind power, photovoltaic and photo-thermal combined power generation, avoids the problem that the traditional power supply allocation capacity is different every day due to the dependence on sunlight or wind power, solves the problem of uncertainty of multi-solar wind and light power prediction, and can regulate and control wind, light and heat combined power generation, thereby avoiding the influence of external environment on power generation.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (7)
1. A novel wind, light and heat combined power generation system is characterized by comprising a power regulation and control unit, a power detection unit, a power storage unit and a power generation unit; the power regulation and control unit is used for regulating the fluctuation and the amplitude of power and regulating the power output of wind power, photoelectricity and thermoelectricity; the power detection unit is used for detecting power output information of wind power, photoelectricity and thermoelectricity, judging the current power transmission state according to the power output information, and evaluating a safety level according to the current power transmission state; the power storage unit is used for storing electric energy; the power generation unit comprises a wind electronic unit, a photoelectronic unit and a photo-thermal subunit.
2. The novel wind, light and heat combined power generation system according to claim 1, wherein the wind power electronic unit comprises a wind power conversion mechanism, a wind power generation mechanism and a power storage device; the optoelectronic unit comprises a photoelectric conversion device and a power control device; the photo-thermal subunit comprises a light-gathering heat-absorbing device, a heat-absorbing storage device and a thermal circulation device;
the wind power conversion mechanism is used for converting wind power into mechanical power and driving the wind power generation mechanism to move through the mechanical power;
the wind power generation mechanism is used for converting mechanical kinetic energy into electric energy and transmitting the electric energy to the electric power storage device;
the power storage device is used for storing and regulating the electric energy of the wind power generation;
the photoelectric conversion device converts mechanical kinetic energy into electric energy and transmits the electric energy to the electric control device;
the power control device is used for regulating and controlling the electric energy of the photoelectric conversion device;
the light-gathering heat absorption device is used for transferring heat energy to the heat absorption storage device through a heat transfer working medium;
the heat absorption storage device is used for entering the thermodynamic cycle device through heat exchange.
3. The combined wind, light and heat power generation system of claim 2, wherein the light-gathering and heat-absorbing device comprises a heat-collecting mirror surface and a heat collector, the heat collector is arranged in the center of the heat-collecting mirror surface, and the heat collector is connected with the heat-absorbing and storing device through a heat transfer medium and a heat transfer pipeline.
4. The system according to claim 2, wherein the thermodynamic cycle device comprises a heat exchanger and a power generation device, the heat exchanger is used for converting the absorbed heat energy into a power generation working medium and realizing energy conversion in the power generation device to generate power.
5. The novel wind, light and heat combined power generation system according to claim 1, wherein the power regulation and control unit comprises a voltage transformation device, a voltage stabilization device, a power supply distribution device and a remote transmission device; the transformation device and the voltage stabilizing device are respectively arranged on power transmission branches of the wind power electronic unit, the photoelectronic unit and the photothermal sub unit, the power inlet end of the power supply distribution device is respectively connected with the power transmission branches of the wind power electronic unit, the photoelectronic unit and the photothermal sub unit, and the other end of the power supply distribution device is electrically connected with the power transmission main circuit; the power distribution device is also connected with the remote transmission device.
6. The novel wind, light and heat combined power generation system according to claim 1 or 5, wherein the remote transmission device is connected with a cloud server or a mobile terminal through a network.
7. The combined wind, light and heat power generation system according to claim 1, wherein the power detection unit comprises instantaneous current detection, current over-current detection, instantaneous voltage detection, voltage zero crossing detection and power loss detection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911188910.6A CN110752620A (en) | 2019-11-28 | 2019-11-28 | Novel wind, light and heat combined power generation system |
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| CN201911188910.6A CN110752620A (en) | 2019-11-28 | 2019-11-28 | Novel wind, light and heat combined power generation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113904371A (en) * | 2021-10-12 | 2022-01-07 | 国家能源费县发电有限公司 | New energy power generation system based on large-scale heat exchange |
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Patent Citations (7)
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113904371A (en) * | 2021-10-12 | 2022-01-07 | 国家能源费县发电有限公司 | New energy power generation system based on large-scale heat exchange |
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Application publication date: 20200204 |