CN102983604A - Photovoltaic and fuel cell combined generating system - Google Patents
Photovoltaic and fuel cell combined generating system Download PDFInfo
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- CN102983604A CN102983604A CN2012104808456A CN201210480845A CN102983604A CN 102983604 A CN102983604 A CN 102983604A CN 2012104808456 A CN2012104808456 A CN 2012104808456A CN 201210480845 A CN201210480845 A CN 201210480845A CN 102983604 A CN102983604 A CN 102983604A
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- fuel cell
- photovoltaic
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- power generation
- super capacitor
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- 239000000446 fuel Substances 0.000 title claims abstract description 43
- 239000003990 capacitor Substances 0.000 claims abstract description 24
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000001257 hydrogen Substances 0.000 claims abstract description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 12
- 238000010248 power generation Methods 0.000 claims description 27
- 238000005868 electrolysis reaction Methods 0.000 claims description 25
- 238000009415 formwork Methods 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 9
- 238000003860 storage Methods 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000007600 charging Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000013083 solar photovoltaic technology Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Fuel Cell (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The invention relates to an independent generating system and belongs to the field of clean energy generation. The system comprises a photovoltaic generating array, a fuel cell stack and a controller, the system is provided with a super-capacitor communicated with the output of the photovoltaic generating array, an electrolytic power supply of an electrolytic tank is communicated with the photovoltaic generating array, and a hydrogen storage device is arranged behind the electrolytic tank and supplies hydrogen to the fuel cell stack; an output circuit from the photovoltaic generating array to an load, an output circuit from the fuel cell stack to the load and a computer control system are provided, the photovoltaic generating array is used for generating power, surplus power is stored through the super-capacitor in an electrolytic hydrogen mode, system control is achieved by utilizing the sliding mode control technology, the system efficiency is high, the operation is stable, and the system can be applied to occasions needing independent generation conveniently.
Description
Technical field
The present invention relates to a kind of stand alone generating system, particularly a kind of photovoltaic and fuel cell combined generating system belong to the clean energy resource power field.
Background technology
In the last few years, the development and application of China's solar photovoltaic technology has obtained very great development, the technical merit of solar energy power generating and degree of being practical have had and have significantly improved, its range of application and scale constantly enlarge, photovoltaic generation is playing important function aspect solution outlying district people's lives electricity consumption and some productive power, good economic benefit and significant social benefit have been obtained, along with improving constantly of expanding economy and living standards of the people, to power supply quality, the fraction of power supply has also proposed Secretary, the existing solar photovoltaic generation system of China is the independent mode operation basically, system power supply is subjected to the impact of season and meteorological condition that its stable effectively lasting supply of electric power is affected and limits, in order to reach this purpose, adjust the generating of photovoltaic generating system and the time difference between the power supply by batteries to store energy at present, to ensure stable Main Means, photovoltaic generating system design principle according to independent operating, the user is to power supply quality, power supply fraction requirement is higher, system is also larger to the requirement of storage battery, for a long time, dependence on storage battery (mainly being lead-acid battery) is the major reason that affects the photovoltaic generating system large-scale popularization application of independent operating, the batteries to store energy investment is high, life-span is short, depreciation cost is high, the system cost of electricity-generating of making improves greatly, lead acid accumulator operation maintenance workload is large, cause easily contaminated environment, China outlying mountain area is many, the characteristics that the island is many, the photovoltaic generating system of independent operating still has very large demand, high density, low-cost, long-life, free of contamination energy-storage system, has higher system's self-stability, improve the stability of photovoltaic generating system power supply, deeply to popularize photovoltaic power generation technology, the bottleneck of further exploiting market.
Summary of the invention
The present invention is for providing a kind of photovoltaic and fuel cell combined generating system.
A kind of photovoltaic provided by the present invention and fuel cell combined generating system, photovoltaic and fuel cell combined generating system, comprise photovoltaic power generation array, fuel cell pack, controller, system is provided with super capacitor, super capacitor is connected with the output of photovoltaic power generation array, be provided with electrolysis tank, the electrolytic tank electrolysis power supply is connected with photovoltaic power generation array, be provided with hydrogen-storing device behind the electrolysis tank, the required hydrogen of fuel cell pack is supplied with from hydrogen-storing device, system is provided with the output circuit from the photovoltaic power generation array to the load, be provided with the output circuit from the fuel cell pack to the load, system is provided with computer control system, be provided with photovoltaic power generation array MPPT maximum power point tracking module in the described computer control system, described MPPT maximum power point tracking module adopts sliding formwork control to realize, be provided with the electrolytic cell currents control module in the described computer control system, described current control module adopts sliding formwork control to realize, be provided with the fuel cell pack control module in the described computer control system, described fuel cell pack control module adopts sliding formwork control to realize, be provided with circulating water heat-exchanging system on electrolysis tank and the fuel cell pack, by carrying out heat exchange in circulation and the water tank, be provided with temperature sensor on described electrolysis tank and the fuel cell pack, temperature sensor and computer control system link
,Described computer control system is used system power and is carried out priority control, the electric energy that produces when photovoltaic power generation array is during greater than load, unnecessary electric energy at first charges to super capacitor, restarting electrolytic tank electrolysis hydrogen manufacturing when super capacitor is full of is stored in the hydrogen-storing device, the electric energy that photovoltaic power generation array produces is during less than load, at first discharge the electric energy of super capacitor, when the electric energy that discharges super capacitor can't satisfy load, starting fluid stack electricity generation offered load.
A kind of photovoltaic provided by the present invention and fuel cell combined generating system, utilize photovoltaic power generation array to produce electric energy, form by super capacitor and electrolysis hydrogen stores unnecessary electric energy, when natural conditions change when causing photovoltaic power generation array to satisfy load request, the supply of satisfying load by discharging energy that super capacitor stores and starting fluid stack electricity generation, native system is provided with controller, system adopts computer control, the maximum power point that adopts the sliding formwork control technology to follow the tracks of photovoltaic power generation array is controlled the electric energy of photovoltaic array electricity generation module, the electric energy service efficiency is high, adopt sliding mode technology control electrolysis tank hydrogen manufacturing electric current, hydrogen production process is reliable and stable, adopt the sliding formwork control technology to regulate the generating that the technological parameter that affects fuel cell pack is controlled fuel cell pack, system effectiveness is high, working stability, whole system adopts the computer system control scheduling, power distribution is reasonable, efficient is high, stable output, easy to adjust, can be applied to easily the occasion and the residence that need Independent Power Generation.
Description of drawings
Fig. 1 is system schematic of the present invention.
Embodiment
In order to explain more fully enforcement of the present invention, embodiment of the present invention is provided, these embodiments only are the elaborations to this system, do not limit the scope of the invention.
As described in Figure 1, photovoltaic and fuel cell combined generating system, comprise photovoltaic power generation array 1, fuel cell pack 2, controller 9, in system, be provided with super capacitor 3, super capacitor 3 is connected with the output of photovoltaic power generation array 1, be provided with electrolysis tank 4, electrolysis tank 4 electrolysis powers are connected with photovoltaic power generation array 1, be provided with hydrogen-storing device 5 behind the electrolysis tank, fuel cell pack 2 required hydrogen are supplied with from hydrogen-storing device 5, system is provided with from photovoltaic power generation array 1 to load 6 output circuit, be provided with from fuel cell pack 2 to load 6 output circuit, be provided with the output circuit from super capacitor 3 to load, system is provided with computer control system 8, photovoltaic battery array 1, super capacitor 3, the output of fuel cell pack 2 all can be to load circuit, be provided with photovoltaic power generation array 1 MPPT maximum power point tracking module in the described computer control system 8, the MPPT maximum power point tracking module adopts sliding formwork control to realize, the sliding formwork control technology is a kind of Control of Nonlinear Systems method, be used for the control of power equipment control and grid-connected power generation system, can be used for controlling each non-linear power equipment and Blast Furnace Top Gas Recovery Turbine Unit (TRT) in the hybrid power system, in the control design, the photovoltaic cell working point is behind given intensity of illumination and battery temperature, adopt the photovoltaic cell output voltage as the reference-input signal of control, and then guarantee that by the working point regulating action photovoltaic cell is operated on the given working point, utilize sliding mode technology design module control minute several steps to finish, the one, define the switching hyperplane of sliding mode controller, the 2nd, draw electric current sliding formwork control law according to switching hyperplane and photovoltaic cell capable of generating power system model, the 3rd, the stable condition and the required control parameter designing that draw controller go out the sliding formwork control module, be provided with electrolysis tank 4 current control module in the computer control system 8, current control module adopts sliding formwork control to realize, current module adopts sliding formwork control because parameter is fairly simple, it is known technical method, be provided with fuel cell pack 2 control modules in the described computer control system 8, fuel cell pack 2 control modules adopt sliding formwork control to realize, be provided with circulating water heat-exchanging system on electrolysis tank 4 and the fuel cell pack 2, by carrying out heat exchange in circulation and the water tank 7, be provided with temperature sensor on described electrolysis tank 4 and the fuel cell pack 2, temperature sensor and computer control system link, 8 pairs of system power of described computer control system are used and are carried out priority control, the electric energy that produces when photovoltaic power generation array 1 is during greater than load, unnecessary electric energy is at first to super capacitor 3 chargings, restarting electrolysis tank 4 electrolytic hydrogen productions when super capacitor 3 is full of is stored in the hydrogen-storing device 5, the electric energy that photovoltaic power generation array 1 produces is during less than load, at first discharge the electric energy of super capacitor 3, when the electric energy that discharges super capacitor 3 can't satisfy load, starting fluid battery pile 2 generating offered load.Whether computer of the present invention controls ON cycle water heat-exchange system and open amount thereof by temperature sensor according to the temperature of electrolysis tank 4 and fuel cell pack 2.
After describing embodiments of the present invention in detail, the personage who is familiar with this technology can be well understood to, can carry out various variations and modification not breaking away under above-mentioned claim and the spirit, any simple modification, equivalent variations and modification that all foundations technical spirit of the present invention is done above embodiment, the scope that all belongs to technical solution of the present invention, and the present invention also is not subject to the execution mode that gives an actual example in the specification.
Claims (7)
1. photovoltaic and fuel cell combined generating system, comprise photovoltaic power generation array (1), fuel cell pack (2), controller (9), it is characterized in that: system is provided with super capacitor (3), super capacitor (3) is connected with the output of photovoltaic power generation array (1), be provided with electrolysis tank (4), electrolysis tank (4) electrolysis power is connected with photovoltaic power generation array (1), be provided with hydrogen-storing device (5) behind the electrolysis tank, the required hydrogen of fuel cell pack (2) is supplied with from hydrogen-storing device (5), system is provided with the output circuit from photovoltaic power generation array (1) to load (6), be provided with the output circuit from fuel cell pack (2) to load (6), system is provided with computer control system (8).
2. photovoltaic according to claim 1 and fuel cell combined generating system, it is characterized in that: be provided with photovoltaic power generation array (1) MPPT maximum power point tracking module in the described computer control system (8), described MPPT maximum power point tracking module adopts sliding formwork control to realize.
3. photovoltaic according to claim 1 and fuel cell combined generating system is characterized in that: be provided with electrolysis tank (4) current control module in the described computer control system (8), described current control module employing sliding formwork control realization.
4. photovoltaic according to claim 1 and fuel cell combined generating system, it is characterized in that: be provided with fuel cell pack (2) control module in the described computer control system (8), described fuel cell pack (2) control module adopts sliding formwork control to realize.
5. photovoltaic according to claim 1 and fuel cell combined generating system is characterized in that: be provided with circulating water heat-exchanging system on electrolysis tank (4) and the fuel cell pack (2), by carrying out heat exchange in circulation and the water tank (7).
6. photovoltaic according to claim 2 and fuel cell combined generating system, it is characterized in that: be provided with temperature sensor on described electrolysis tank (4) and the fuel cell pack (2), temperature sensor and computer control system link.
7. photovoltaic according to claim 1 and fuel cell combined generating system, it is characterized in that: described computer control system (8) is used system power and is carried out priority control, the electric energy that produces when photovoltaic power generation array (1) is during greater than load, unnecessary electric energy at first charges to super capacitor (3), super capacitor (3) is restarted electrolysis tank (4) electrolytic hydrogen production and is stored in the hydrogen-storing device (5) when being full of, the electric energy that photovoltaic power generation array (1) produces is during less than load, at first discharge the electric energy of super capacitor (3), when the electric energy that discharges super capacitor (3) can't satisfy load, starting fluid battery pile (2) generating offered load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104808456A CN102983604A (en) | 2012-11-23 | 2012-11-23 | Photovoltaic and fuel cell combined generating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104808456A CN102983604A (en) | 2012-11-23 | 2012-11-23 | Photovoltaic and fuel cell combined generating system |
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| CN102983604A true CN102983604A (en) | 2013-03-20 |
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| CN2012104808456A Pending CN102983604A (en) | 2012-11-23 | 2012-11-23 | Photovoltaic and fuel cell combined generating system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104184149A (en) * | 2014-08-21 | 2014-12-03 | 上海电力学院 | Voltage fluctuation stabilizing method based on sliding mode control and super-capacitor |
| CN105024625A (en) * | 2014-04-22 | 2015-11-04 | 南京蕴纳纳米科技有限公司 | Fuel enhanced type concentrated solar cell power generation system |
| CN105680769A (en) * | 2016-02-19 | 2016-06-15 | 陆玉正 | Agricultural portable new energy water pump |
| CN106549479A (en) * | 2016-12-06 | 2017-03-29 | 东北大学 | A kind of compound energy system |
| CN106856354A (en) * | 2017-01-12 | 2017-06-16 | 东北大学 | A kind of photovoltaic DC electric power system and method for being electrolysed aluminum electrolysis |
| CN107222154A (en) * | 2017-07-13 | 2017-09-29 | 天津中德应用技术大学 | Utilize the photovoltaic generating system and its control method of hydrogen fuel cell energy storage |
| CN107359363A (en) * | 2017-07-13 | 2017-11-17 | 北京理工大学 | A kind of hydrogen fuel cell system and its electricity-generating method based on photovoltaic hydrogen manufacturing |
| CN112510233A (en) * | 2020-11-04 | 2021-03-16 | 国网浙江省电力有限公司衢州供电公司 | Household hydrogen energy storage fuel cell power generation system |
-
2012
- 2012-11-23 CN CN2012104808456A patent/CN102983604A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105024625A (en) * | 2014-04-22 | 2015-11-04 | 南京蕴纳纳米科技有限公司 | Fuel enhanced type concentrated solar cell power generation system |
| CN104184149A (en) * | 2014-08-21 | 2014-12-03 | 上海电力学院 | Voltage fluctuation stabilizing method based on sliding mode control and super-capacitor |
| CN104184149B (en) * | 2014-08-21 | 2017-05-24 | 上海电力学院 | Voltage fluctuation stabilizing method based on sliding mode control and super-capacitor |
| CN105680769A (en) * | 2016-02-19 | 2016-06-15 | 陆玉正 | Agricultural portable new energy water pump |
| CN106549479A (en) * | 2016-12-06 | 2017-03-29 | 东北大学 | A kind of compound energy system |
| CN106549479B (en) * | 2016-12-06 | 2019-02-26 | 东北大学 | A kind of compound energy system |
| CN106856354A (en) * | 2017-01-12 | 2017-06-16 | 东北大学 | A kind of photovoltaic DC electric power system and method for being electrolysed aluminum electrolysis |
| CN106856354B (en) * | 2017-01-12 | 2019-10-11 | 东北大学 | It is a kind of for being electrolysed the photovoltaic DC power supply system and method for aluminum electrolysis |
| CN107222154A (en) * | 2017-07-13 | 2017-09-29 | 天津中德应用技术大学 | Utilize the photovoltaic generating system and its control method of hydrogen fuel cell energy storage |
| CN107359363A (en) * | 2017-07-13 | 2017-11-17 | 北京理工大学 | A kind of hydrogen fuel cell system and its electricity-generating method based on photovoltaic hydrogen manufacturing |
| CN107222154B (en) * | 2017-07-13 | 2023-09-12 | 天津中德应用技术大学 | Photovoltaic power generation system utilizing hydrogen fuel cell to store energy and control method thereof |
| CN112510233A (en) * | 2020-11-04 | 2021-03-16 | 国网浙江省电力有限公司衢州供电公司 | Household hydrogen energy storage fuel cell power generation system |
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Application publication date: 20130320 |