CN113193641A - Multi-energy emergency power supply system based on wind-light oil hydrogen - Google Patents
Multi-energy emergency power supply system based on wind-light oil hydrogen Download PDFInfo
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- CN113193641A CN113193641A CN202110441255.1A CN202110441255A CN113193641A CN 113193641 A CN113193641 A CN 113193641A CN 202110441255 A CN202110441255 A CN 202110441255A CN 113193641 A CN113193641 A CN 113193641A
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- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 48
- 239000001257 hydrogen Substances 0.000 title claims abstract description 48
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims description 35
- 238000010248 power generation Methods 0.000 claims abstract description 24
- 238000012544 monitoring process Methods 0.000 claims abstract description 9
- 238000004146 energy storage Methods 0.000 claims abstract description 6
- 238000003860 storage Methods 0.000 claims description 12
- 239000000446 fuel Substances 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000005457 optimization Methods 0.000 claims description 3
- 238000002407 reforming Methods 0.000 claims description 3
- 238000013433 optimization analysis Methods 0.000 abstract description 2
- 238000011161 development Methods 0.000 description 4
- 238000011217 control strategy Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
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Classifications
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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
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
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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
- H02J15/00—Systems for storing electric energy
- H02J15/008—Systems for storing electric energy using hydrogen as energy vector
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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
-
- 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
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
-
- 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
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/10—The dispersed energy generation being of fossil origin, e.g. diesel generators
-
- 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
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/22—The renewable source being solar energy
- H02J2300/24—The renewable source being solar energy of photovoltaic origin
-
- 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
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/28—The renewable source being wind energy
-
- 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
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/30—The power source being a fuel cell
-
- 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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
-
- 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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Wind Motors (AREA)
- Fuel Cell (AREA)
Abstract
The invention belongs to the technical field of emergency power supplies, and particularly relates to a wind-light-oil-hydrogen-based multi-energy emergency power supply system, which comprises: the system comprises a bottom layer basic individual unit, a middle layer single-energy control system and a top layer centralized unified coordination control center, wherein the bottom layer basic individual unit is controlled by the middle layer single-energy control system, so that the maximum power and the optimal electric energy are realized, the energy collection of the basic units is completed, the top layer centralized unified coordination control center is an operation control core of the multi-energy emergency power supply system, the middle layer single-energy control system is subjected to optimization analysis under the condition that the multi-energy emergency power supply system is ensured to operate stably, and a unified coordination control decision instruction is given, so that the electric energy supply and demand balance of the whole system is achieved. The multi-energy emergency power supply system hardware comprises: the system comprises a power generation system, an energy storage system, a power supply system (3), a monitoring system (4) and a structural system.
Description
Technical Field
The invention belongs to the technical field of emergency power supplies, and particularly relates to a wind-light-oil-hydrogen-based multi-energy emergency power supply system.
Background
The research of public safety risk prevention and control and emergency technical equipment aiming at special environments such as high altitude, high and low temperature, high humidity and high salinity is key special work, wherein an emergency power supply system is an important guarantee of emergency work. At present, most of emergency power supply systems are diesel generating sets and storage battery pack inverter power supplies. The firewood has the advantages of large generating capacity, parallel operation, long continuous power supply time and the like, but has the defects of large volume, large noise, low efficiency, environmental pollution, fire hazard and the like; and the storage battery pack in the inverter power supply has limited capacity and can not supply power continuously. A hybrid multi-energy emergency power supply system based on wind, light and diesel storage is popularized, but the system is still greatly influenced by wind and light natural conditions, and the power generation is unstable. For a novel hydrogen fuel cell power supply system, the novel hydrogen fuel cell power supply system has a series of advantages of high efficiency (about 50%), cleanness, silence, strong environmental adaptability and the like, and in some technically-developed countries, the developed hydrogen-electricity emergency power supply is in application verification. However, the chain is imperfect in the links of hydrogen preparation, transportation, storage and the like. If the problem of hydrogen production on the oil site can be solved, the application of hydrogen power generation is greatly promoted, and the high-reliability hybrid multi-energy emergency power supply system of 'wind, light and oil storage' is really realized.
Therefore, the system is urgently needed to relate to a wind-light-oil-hydrogen-based multi-energy emergency power supply system, and provides energy guarantee for development of public safety risk prevention and control and emergency technical equipment.
Disclosure of Invention
The invention provides a wind-light-oil-hydrogen-based multi-energy emergency power supply system, which fully utilizes clean energy such as wind energy, light energy, hydrogen energy and the like to generate electricity with an oil engine for standby and combined use, thereby realizing continuous and stable power supply; according to the system structure and the energy management characteristics, a centralized hierarchical control structure is adopted to effectively control the operation of each component, and a high-efficiency small emergency power supply system based on the mixing of multiple energy sources of wind, light, oil and hydrogen is formed.
In order to achieve the purpose, the invention adopts the technical scheme that:
a multi-energy emergency power supply system based on wind, light, oil and hydrogen comprises:
the system comprises a bottom layer basic individual unit, a middle layer single-energy control system and a top layer centralized unified coordination control center, wherein the bottom layer basic individual unit is formed by a plurality of physical components, the bottom layer basic individual unit is controlled by the middle layer single-energy control system, so that the maximum power and the optimal electric energy are realized, the energy collection of the basic unit is completed, the top layer centralized unified coordination control center is an operation control core of the multi-energy emergency power supply system, the middle layer single-energy control system is optimized and analyzed under the condition that the multi-energy emergency power supply system is guaranteed to run stably, and a unified coordination control decision instruction is given, so that the electric energy supply and demand balance of the whole system is achieved.
Preferably, the underlying basic individual units include a fan assembly, a photovoltaic array, a hydrogen fuel cell, a diesel generator, and a load.
Preferably, the middle-layer single-energy control system comprises a wind energy control system, a photovoltaic control system, a hydrogen energy control system, an oil engine control system and a power control system.
Preferably, the top-level centralized unified coordination control center is an energy management controller, the energy management controller is an energy management core controller which stably and friendly works on an emergency power supply in a special environment with high cold, high temperature, high altitude, high humidity and high salinity, the energy management controller adopts a discrete-continuous hybrid control method to realize coordination decision of top-level energy state conversion and continuous control of each unit at the bottom level, and the energy management controller organically combines energy stable distribution and dynamic output based on a multi-objective optimization control theory to form a combined mode coordination mechanism.
Preferably, the wind-light oil-hydrogen-based multi-energy emergency power supply system comprises: the system comprises a power generation system, an energy storage system, a power supply system (3), a monitoring system (4) and a structural system.
Preferably, the power generation system includes: the system comprises a photovoltaic power generation subsystem (11), a wind power generation subsystem (12), a diesel reforming/hydrogen fuel cell power generation subsystem (13) and a diesel generator set power generation subsystem (14).
Preferably, the energy storage system includes: a residual electricity hydrogen production/storage and release subsystem (21) and a storage battery charging and discharging subsystem (22).
Preferably, the power supply system (3) comprises: the system comprises a direct current bus subsystem, an inverter device and a thermal switching device.
Preferably, the monitoring system (4) comprises: each subsystem monitoring unit, a distributed bus unit and an integrated network unit.
Preferably, the structural system comprises: the photovoltaic power generation system comprises an electric cabinet (51), a power cabin, a photovoltaic supporting mechanism, a fan supporting mechanism and an oil tank (52).
Compared with the prior art, the invention has the following beneficial effects:
clean energy such as wind energy, light energy, hydrogen energy and the like are fully utilized to be combined with the oil engine for standby power generation, so that continuous and stable power supply is realized; according to the system structure and the energy management characteristics, a centralized hierarchical control structure is adopted to effectively control the operation of each component, and a high-efficiency small emergency power supply system based on the mixing of multiple energy sources of wind, light, oil and hydrogen is formed.
Drawings
FIG. 1 is a diagram of the overall control architecture of a multi-energy emergency power system according to a preferred embodiment of the present invention;
FIG. 2 is a diagram of the internal layout of a single-cabin multi-energy emergency power system according to a preferred embodiment of the present invention;
fig. 3 is a development view of a single-cabin multi-energy emergency power supply system according to a preferred embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a multi-energy emergency power supply system based on wind, light, oil and hydrogen comprises:
the system comprises a bottom layer basic individual unit, a middle layer single-energy control system and a top layer centralized unified coordination control center, wherein the bottom layer basic individual unit is controlled by the middle layer single-energy control system, so that the maximum power and the optimal electric energy are realized, the energy collection of the basic units is completed, the top layer centralized unified coordination control center is an operation control core of the multi-energy emergency power supply system, the optimization analysis is carried out on the middle layer single-energy control system under the condition that the multi-energy emergency power supply system is guaranteed to run stably, and a unified coordination control decision instruction is given, so that the electric energy supply and demand balance of the whole system is achieved.
The base individual units of the base layer in this embodiment include a fan assembly, a photovoltaic array, a hydrogen fuel cell, a diesel generator, and a load. Of course, one skilled in the art may select one or more basic individual units depending on local climate characteristics, constraints of use, and engineering needs.
In this embodiment, the middle-layer single-energy control system includes a wind energy control system, a photovoltaic control system, a hydrogen energy control system, an oil engine control system, and a power control system.
In this embodiment, the top-level centralized unified coordination control center is an energy management controller.
As shown in fig. 2, the wind-light-oil-hydrogen-based multi-energy emergency power supply system includes:
a power generation system: the system comprises a photovoltaic power generation subsystem 11, a wind power generation subsystem 12, a diesel reforming/hydrogen fuel cell power generation subsystem 13 and a diesel generator set power generation subsystem 14;
an energy storage system: comprises a residual electricity hydrogen production/storage and release subsystem 21 and a storage battery charging and discharging subsystem 22;
the power supply system 3: the system comprises a direct current bus subsystem, an inverter device and a hot switching device;
the monitoring system 4: the system comprises subsystem monitoring units, distributed bus units and integrated network units; and
the structure system is as follows: comprises an electrical cabinet 51, a power cabin, a photovoltaic support mechanism, a fan support mechanism and an oil tank 52.
Fig. 3 is a development view of the single-cabin multi-energy emergency power supply system.
The wind-light-oil-hydrogen-based multi-energy emergency power supply system designs a modal coordination mechanism organically combining stable energy distribution and dynamic output based on a multi-objective optimization control theory, realizes a wind-light-oil-hydrogen multi-energy emergency power supply system operation modal coordination strategy and a control technology, and adopts a discrete-continuous hybrid control method to realize coordination decision of top-layer energy state conversion and continuous control of bottom-layer units, thereby completing development of an energy management core controller for stable and friendly emergency power supply work in a special environment of 'four high'.
Preferred embodiment 1: under the extremely cold environment, the diesel engine is started or the storage battery is heated and preheated preferentially;
preferred embodiment 2: under the high-temperature environment, wind and light energy sources are preferentially used, hydrogen energy is secondarily used, an oil engine is secondarily used, when the overtemperature work of each subsystem and the converter or the environment temperature reaches 45 ℃ is monitored, a capacity reduction output control strategy is adopted, and the capacity reduction ratio is not higher than 5%.
Preferred embodiment 3: under the high-altitude environment, wind and light energy sources are preferentially used, hydrogen energy is secondarily used, an oil engine is secondarily used, the altitude is more than 3000 m, a capacity reduction output control strategy is adopted, and the capacity reduction proportion is not higher than 5%.
The preferred embodiment fully utilizes clean energy such as wind energy, light energy, hydrogen energy and the like to be combined with the oil engine for standby power generation, thereby realizing continuous and stable power supply; according to the system structure and the energy management characteristics, a centralized hierarchical control structure is adopted to effectively control the operation of each component, and a high-efficiency small emergency power supply system based on the mixing of multiple energy sources of wind, light, oil and hydrogen is formed.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. A multi-energy emergency power supply system based on wind, light, oil and hydrogen is characterized in that the structure of the system comprises:
the system comprises a bottom layer basic individual unit, a middle layer single-energy control system and a top layer centralized unified coordination control center, wherein the bottom layer basic individual unit is formed by a plurality of physical components, the bottom layer basic individual unit is controlled by the middle layer single-energy control system, so that the maximum power and the optimal electric energy are realized, the energy collection of the basic unit is completed, the top layer centralized unified coordination control center is an operation control core of the multi-energy emergency power supply system, the middle layer single-energy control system is optimized and analyzed under the condition that the multi-energy emergency power supply system is guaranteed to run stably, and a unified coordination control decision instruction is given, so that the electric energy supply and demand balance of the whole system is achieved.
2. The wind-light-oil-hydrogen-based multi-energy emergency power supply system according to claim 1, characterized in that: the bottom layer basic individual unit comprises a fan assembly, a photovoltaic array, a hydrogen fuel cell, a diesel generator and a load.
3. The wind-light-oil-hydrogen-based multi-energy emergency power supply system according to claim 1, characterized in that: the middle-layer single-energy control system comprises a wind energy control system, a photovoltaic control system, a hydrogen energy control system, an oil engine control system and a power control system.
4. The wind-light-oil-hydrogen-based multi-energy emergency power supply system according to claim 1, characterized in that: the energy management controller is an energy management core controller which is used for stably and friendly working of an emergency power supply in a special environment with high cold, high temperature, high altitude, high humidity and high salinity, realizes coordination decision of energy state conversion of the top layer and continuous control of each unit of the bottom layer by adopting a discrete-continuous hybrid control method, and organically combines stable energy distribution and dynamic output based on a multi-objective optimization control theory to form a combined mode coordination mechanism.
5. The wind-solar-oil-hydrogen-based multi-energy emergency power supply system according to claim 1, wherein the wind-solar-oil-hydrogen-based multi-energy emergency power supply system comprises: the system comprises a power generation system, an energy storage system, a power supply system (3), a monitoring system (4) and a structural system.
6. The wind, light, oil and hydrogen based multi-energy emergency power system of claim 5, wherein the power generation system comprises: the system comprises a photovoltaic power generation subsystem (11), a wind power generation subsystem (12), a diesel reforming/hydrogen fuel cell power generation subsystem (13) and a diesel generator set power generation subsystem (14).
7. The wind, light, oil and hydrogen based multi-energy emergency power supply system according to claim 5, wherein the energy storage system comprises: a residual electricity hydrogen production/storage and release subsystem (21) and a storage battery charging and discharging subsystem (22).
8. A wind, light, oil and hydrogen based multi-energy emergency power supply system according to claim 5, characterized in that said power supply system (3) comprises: the system comprises a direct current bus subsystem, an inverter device and a thermal switching device.
9. A wind, light, oil and hydrogen based multi-energy emergency power supply system according to claim 5, characterized in that the monitoring system (4) comprises: each subsystem monitoring unit, a distributed bus unit and an integrated network unit.
10. The wind, light, oil and hydrogen based multi-energy emergency power system according to claim 5, wherein the structural system comprises: the photovoltaic power generation system comprises an electric cabinet (51), a power cabin, a photovoltaic supporting mechanism, a fan supporting mechanism and an oil tank (52).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110441255.1A CN113193641A (en) | 2021-04-23 | 2021-04-23 | Multi-energy emergency power supply system based on wind-light oil hydrogen |
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| CN202110441255.1A CN113193641A (en) | 2021-04-23 | 2021-04-23 | Multi-energy emergency power supply system based on wind-light oil hydrogen |
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2021
- 2021-04-23 CN CN202110441255.1A patent/CN113193641A/en active Pending
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| US20130249298A1 (en) * | 2010-10-29 | 2013-09-26 | Shanghai Ghrepower Green Energy Co. Ltd | Hybrid integrated wind-solar-diesel-city power supply system |
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| CN207896674U (en) * | 2017-12-28 | 2018-09-21 | 平高集团有限公司 | It is a kind of scene the energy storage of electric energy hydrogen and petrochemical complex produce power generation peak adjusting system |
| CN208638039U (en) * | 2018-07-02 | 2019-03-22 | 赫普科技发展（北京）有限公司 | A kind of scene gas complementary coupled electricity generation system |
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Application publication date: 20210730 |