CN110190624A - A kind of ship multiple-energy-source micro-grid system - Google Patents
A kind of ship multiple-energy-source micro-grid system Download PDFInfo
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- CN110190624A CN110190624A CN201910455766.1A CN201910455766A CN110190624A CN 110190624 A CN110190624 A CN 110190624A CN 201910455766 A CN201910455766 A CN 201910455766A CN 110190624 A CN110190624 A CN 110190624A
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- 239000000446 fuel Substances 0.000 claims abstract description 152
- 239000007789 gas Substances 0.000 claims abstract description 136
- 230000002441 reversible effect Effects 0.000 claims abstract description 79
- 230000005611 electricity Effects 0.000 claims abstract description 51
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 47
- 239000001301 oxygen Substances 0.000 claims abstract description 47
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 47
- 238000010248 power generation Methods 0.000 claims abstract description 46
- 238000004146 energy storage Methods 0.000 claims abstract description 24
- 239000002828 fuel tank Substances 0.000 claims abstract description 15
- 230000013011 mating Effects 0.000 claims abstract description 4
- 239000002283 diesel fuel Substances 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 239000002912 waste gas Substances 0.000 claims description 16
- 230000036647 reaction Effects 0.000 claims description 13
- 239000002918 waste heat Substances 0.000 claims description 10
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 2
- 239000003990 capacitor Substances 0.000 claims 1
- ASTNLROMDNGJLS-UHFFFAOYSA-N hot-7 Chemical compound CCCSC1=CC(OC)=C(CCNO)C=C1OC ASTNLROMDNGJLS-UHFFFAOYSA-N 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000005868 electrolysis reaction Methods 0.000 description 16
- 238000010438 heat treatment Methods 0.000 description 6
- 238000002485 combustion reaction Methods 0.000 description 4
- 239000002737 fuel gas Substances 0.000 description 3
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical class [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000010485 coping Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 210000000952 spleen Anatomy 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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
- 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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- H02J3/383—
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- H02J3/386—
-
- H02J3/387—
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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
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
-
- 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
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Fuel Cell (AREA)
Abstract
A kind of ship multiple-energy-source micro-grid system, including fuel tank, gas tank, oxygen tank, air valve, heat exchanger, compressor, reversible high-temperature fuel cell, oil pump, AC-DC converter, chimney, energy storage device, ac bus, filter, bank electricity interface, wind generator system, photovoltaic generating system, diesel generator system, compensation machine, transformer, high-voltage load, low-voltage load, emergency load and mating gas pipeline, oil pipeline and electric wire.This system cooperates with various energy resources using reversible high-temperature fuel cell as ship main power source, and the selection of a variety of electric energy is provided under different load for ship, realizes the coordinative role of multiple-energy-source micro-grid system power generation and energy storage, and reduce fuel consumption as far as possible.Furthermore this system is additionally added energy-storage system, copes with the fluctuation of ship load, provides electric power for ship when reversible high-temperature fuel cell generating state, using the exhaust gas for the generation that generates electricity is raw material manufacture fuel when being electrolysed state, polluted gas is greatly reduced and discharges.
Description
Technical field
The present invention relates to ship energy saving emission reduction fields, and in particular to a kind of multiple-energy-source micro-grid system peculiar to vessel is realized reversible
Multipotency cooperates between high-temperature fuel cell, diesel-driven generator, wind-power electricity generation and photovoltaic power generation.
Background technique
The demand that current control climate change and air quality deteriorate increasingly increases, shipping business and many other industries one
Sample is faced with and reduces the immense pressure that environment influences.If taken no action to, to the year two thousand fifty, CO2 emissions are estimated will
Increase 50%-250%, in addition, shipping business discharged nitrous oxides have accounted for the 15% of global discharged nitrous oxides, if do not taken
Measure, it is contemplated that also will increase.In addition, energy shortages equally perplexs countries in the world.For solve shipping business about energy and environment this
Two large problems, various countries scientific research personnel have done a large amount of explorations.
Both sides exploration has been carried out in fuel efficiency from improving: first is that using fuel cell, fuel cell can be change
Can be converted into electric energy, and fuel availability greatly improves, and more clean compared to combustion of fossil fuel tail gas, with H2For
The fuel cell tail gas of fuel only has H2O, the appearance of reversible fuel cell are even more to allow it is seen that realizing the hope of zero-emission.Combustion
Expect that battery is research hotspot in terms of ship power because of its high fuel availability and more clean characteristic, at present fuel cell
Research direction applied to ship is broadly divided into full fuel cell motive force ship and fuel cell as plurality of energy supplies form wherein
One of multiple-energy-source ship.Second is that traditional mechanically-propelled is changed to electric propulsion, ship at runtime payload size when the moment
Quarter is all changing, this can cause waste of fuel, can reduce fuel consumption using electric propulsion, and use Advanced Control Strategies
Mixed structure can reduce up to 10%-35% fuel consumption and discharge.Electrical Propulsion Ship is studied relatively intimately, especially at present
It is in the development of warship and large-scale pleasure boat, and complete electric marine technology reaches its maturity, and is just gradually becoming shipbuilding mainstream.
It is explored in terms of seeking on new energy also to have carried out two: first is that finding new fossil energy, such as combustible ice and page
Rock gas, both novel fossil energies are in conceptual phase at present, and as shipping fuel, there is also some challenges.Second is that utilizing
The renewable and clean energy resource of nature, such as solar energy, wind energy etc..In addition, lithium battery ship is also one kind that researcher seeks
Solution.
Summary of the invention
For the requirements at the higher level that current energy crisis and problem of environmental pollution propose shipping business, the present invention proposes a kind of ship
Oceangoing ship multiple-energy-source micro-grid system, with reversible high-temperature fuel cell for main energy source, wind-power electricity generation, photovoltaic power generation and diesel oil are sent out
Electric power generation is auxiliary energy source.When ship pulls in shore, ship accesses bank electricity, and reversible high-temperature fuel cell enters electrolysis shape
State produces the fuel of reversible high-temperature fuel cell generating state by the exhaust gas generated under electrolysis generating state, or in photovoltaic
Reversible high-temperature fuel cell enters electrolysis state when generated output and wind-power electricity generation power are greater than bearing power.It can in the case of other
Inverse high-temperature fuel cell is in generating state, and different ship micro-capacitance sensor power generation modes is matched according to different load situation,
Energy storage device is for coping with load fluctuation.And by can be further improved fuel availability using waste heat from tail gas.In this way may be used
To save fuel as far as possible and reduce discharge.
This multiple-energy-source micro-grid system peculiar to vessel mainly includes fuel tank, gas tank, oxygen tank, air valve, heat exchanger, compression
Machine, reversible high-temperature fuel cell, oil pump, AC-DC converter, chimney, energy storage device, ac bus, filter, bank electricity interface,
It is wind generator system, photovoltaic generating system, diesel generator system, compensation machine transformer, high-voltage load, low-voltage load, urgent
Load and mating gas pipeline, oil pipeline and electric wire.
The present invention adopts the following technical scheme: fuel is exported from fuel tank under reversible high-temperature fuel cell power generation situation,
Enter reversible high-temperature fuel cell after power generation gas heat exchanger heating, while the oxygen in oxygen tank enters power generation gas heat exchanger
Heating, subsequently into reversible high-temperature fuel cell, reversible high-temperature fuel cell enters generating state, the high-temperature tail gas for the generation that generates electricity
It is exported from reversible high-temperature fuel cell and enters power generation gas heat exchanger, be output and then enter secondary heat exchanger from power generation gas heat exchanger, send out
Electrical heat exchanger and secondary heat exchanger classified utilization high-temperature tail gas waste heat, increase fuel availability, and tail gas is defeated from secondary heat exchanger
Out, by off-gas compressor subsequently into gas tank, reversible high-temperature fuel cell issues electric power and passes through reversible high-temperature fuel cell
AC-DC converter is transported to ac bus, while photovoltaic generating system and wind generator system also provide electricity for ship micro-capacitance sensor
Power.In the electrolysis of reversible high-temperature fuel cell, the gas in gas tank is passed through electrolytic gas heat exchanger and is heated, then into
Enter reversible high-temperature fuel cell and carry out cell reaction, cell reaction generates mixed fuel gas and oxygen from reversible high-temperature fuel electricity
Two, pond distinct interface comes out, and then passes through electrolytic gas heat exchanger and secondary heat exchanger, finally each leads into fuel tank and oxygen
Tank, electrolytic gas heat exchanger and secondary heat exchanger classified utilization high-temperature tail gas waste heat increase fuel availability, reversible high-temperature fuel electricity
The electric power that pond electrolysis needs is provided by ac bus, and the alternating current on ac bus becomes by reversible high-temperature fuel cell AC-DC
Parallel operation is converted to heavy DC electricity for reversible high-temperature fuel cell cell reaction.
Compared with prior art, the beneficial effects of the present invention are:
(1) the ship micro-capacitance sensor for using multiple-energy-source form, using solar energy, two kinds of clean reproducible energies of wind energy are reduced
Fuel consumption greatly reduces exhaust gas discharge.
(2) classified utilization high-temp waste gas can be further improved fuel availability as heat exchanger heat source.
(3) reversible high-temperature fuel cell is used, the gas sampling for the generation that generates electricity gets up to be used as electrolysis raw material, and the system is almost
Reach zero-emission.
(4) AC-DC converter uses high current rectification form, keeps cell reaction quicker.
(5) it is unstable can to buffer ship micro-capacitance sensor caused by load fluctuation for energy storage device.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of ship multiple-energy-source micro-grid system of the present invention.
In figure, 1 gas tank, 2 oxygen tanks, 3 fuel tanks, 4 reversible high-temperature fuel cells, 41 reversible high-temperature fuel cell exhaust gas
Import, 42 reversible high-temperature fuel cell fuel inlets, 43 reversible high-temperature fuel cell oxygen outlets, 44 reversible high-temperature fuel cells
Fuel inlet, 45 reversible high-temperature fuel cell oxygen inlets, 46 reversible high-temperature fuel cell waste gas outlets, 5 secondary heat exchangers, 51
Secondary heat exchanger oil inlet, 52 secondary heat exchanger oil outlets, 53 secondary heat exchanger oxygen inlets, 54 secondary heat exchanger oxygen go out
Mouthful, 55 secondary heat exchanger fuel and exhaust gas inlet, 56 secondary heat exchanger fuel and waste gas outlet, 6 electrolytic gas heat exchangers, 61 electrolysis
Gas heat exchanger oxygen outlet, 62 electrolytic gas heat exchanger oxygen inlets, 63 electrolytic gas heat exchanger fuel outlets, 64 electrolytic gas heat exchangers
Fuel inlet, 65 electrolytic gas heat exchanger exhaust gas inlets, 66 electrolytic gas heat exchanger waste gas outlets, 7 power generation gas heat exchangers, 71 power generation gas
Heat exchanger oxygen inlet, 72 power generation gas heat exchanger oxygen outlets, 73 power generation gas heat exchanger fuel inlets, 74 power generation gas heat exchanger combustions
Material outlet, 75 power generation gas heat exchanger waste gas outlets, 76 power generation gas heat exchanger exhaust gas inlets, 8 diesel oil heat exchangers, 9 off-gas compressors,
10 oxygen compressors, 11 fuel compressors, 12 oil pumps, 13 fuel tanks, 14 chimneys, 15 diesel-driven generators, 16 bank electricity interfaces, 17 boostings
Transformer, 18 emergency loads, 19 filters, 20 wind generator systems, 21 photovoltaic generating systems, 22 high-voltage loads, 23 low pressure are negative
It carries, 24 step-down transformers, 25 energy-storage system AC-DC converters, 26 reversible high-temperature fuel cell AC-DC converters, 27 energy storage systems
System, 28 synchronous compensators, 29 ac bus, air valve V1, V2, V3, V4, V5, V6, V7, V8.
Specific embodiment
The present invention is described in further detail With reference to embodiment.
As shown in Figure 1, a kind of ship multiple-energy-source micro-grid system of the present invention, including fuel tank, gas tank, oxygen tank, gas
Valve, heat exchanger, compressor, reversible high-temperature fuel cell, oil pump, AC-DC converter, chimney, energy storage device, ac bus, filter
It is wave device, bank electricity interface, wind generator system, photovoltaic generating system, diesel-driven generator, compensation machine, transformer, high-voltage load, low
Pressure load, emergency load and mating gas pipeline, oil pipeline and electric wire.
When ship berthing at harbour, ship micro-capacitance sensor is connect by bank electricity interface 16 with bank electricity system, and load disappears on ship at this time
Power consumption power and reversible 4 cell reaction of high-temperature fuel cell consumption electric power are by bank electricity system, photovoltaic generating system 21 and wind-power electricity generation
System 20 provides, and reversible high-temperature fuel cell 4 carries out cell reaction and produces fuel, reversible high-temperature fuel when being ship departure from port navigation
The power generation of battery 4 is prepared, when departing from port navigation, if marine vessel power load is less than wind generator system 20 and photovoltaic generating system 21
The sum of generated output, reversible high-temperature fuel cell 4 equally carry out cell reaction, in the case of other, reversible high-temperature fuel cell 4 into
Row electric power generation reaction.
Under reversible 4 power generation situation of high-temperature fuel cell, oxygen is exported from oxygen tank 2, is changed by air valve V7 from power generation gas
Hot device oxygen inlet 71 enters power generation gas heat exchanger 7, from power generation 7 oxygen outlet 72 of gas heat exchanger output after heating, then from can
Inverse high-temperature fuel cell oxygen inlet 44 enters reversible high-temperature fuel cell 4, while air valve V8 is opened, the combustion gas in fuel tank 3
Enter power generation gas heat exchanger 7 from power generation gas heat exchanger fuel inlet 73, preheated, is then gone out from power generation 7 fuel of gas heat exchanger
Mouth 74 exports, and enters reversible high-temperature fuel cell 4, reversible high-temperature fuel cell 4 from reversible high-temperature fuel cell fuel inlet 45
Into generating state, the high-temperature tail gas for the generation that generates electricity is exported from reversible 4 waste gas outlet 46 of high-temperature fuel cell, from power generation gas heat exchange
Device exhaust gas inlet 76 enters power generation gas heat exchanger 7, and power generation gas heat exchanger 7 utilizes high-temp waste gas waste heat, increases fuel availability, gives up
Gas enters two from secondary heat exchanger fuel and exhaust gas inlet 55 from power generation 7 waste gas outlet 75 of gas heat exchanger output, by air valve V2
Grade heat exchanger 5, air valve V2 is opened at this time, and air valve V1 is closed, and secondary heat exchanger 5 continues with the waste heat that power generation generates exhaust gas, is increased
Refuelling utilization rate, then exhaust gas is exported from 5 fuel of secondary heat exchanger and waste gas outlet 56, enters exhaust gas compression by air valve V3
Machine 9 is finally passed through gas tank 1, and air valve V3 is opened at this time, and air valve V5 is closed, and the reversible sending of high-temperature fuel cell 4 electric power passes through can
Inverse high-temperature fuel cell AC-DC converter 26 is transported to ac bus 29, while photovoltaic generating system 21 and wind generator system
20 also provide electric power for ship micro-capacitance sensor.
In the electrolysis of reversible high-temperature fuel cell, the gas in gas tank 1 passes through air valve V6 from electrolytic gas heat exchanger
Exhaust gas inlet 65 is preheated into electrolytic gas heat exchanger 6, is then exported from 6 waste gas outlet 66 of electrolytic gas heat exchanger, from reversible
High-temperature fuel cell exhaust gas inlet 41 enters reversible high-temperature fuel cell 4 and carries out cell reaction, the mixing combustion that cell reaction generates
Material gas is exported from reversible 4 fuel outlet 42 of high-temperature fuel cell, is changed from electrolytic gas heat exchanger fuel inlet 64 into electrolytic gas
Hot device 6, then from 6 fuel outlet 63 of electrolytic gas heat exchanger export, by air valve V1 enter 5 fuel of secondary heat exchanger and exhaust gas into
Mouthfuls 55, air valve V1 is opened at this time, and air valve V2 is closed, and is electrolysed the mixed fuel gas of generation from 5 fuel of secondary heat exchanger and exhaust gas
56 output of outlet, enters fuel compressor 11 by air valve V5, is finally passed through fuel tank 3, reversible high-temperature fuel cell 4 is electrolysed together
When the oxygen that generates exported from reversible 4 oxygen outlet 43 of high-temperature fuel cell, enter electricity from electrolytic gas heat exchanger oxygen inlet 62
It vents one's spleen heat exchanger 6, is then exported from 6 oxygen outlet 61 of electrolytic gas heat exchanger, enter second level from secondary heat exchanger oxygen inlet 53
Then heat exchanger 5 is exported from secondary heat exchanger oxygen outlet 54, enter oxygen tank 2 by air valve V4 and oxygen compressor 10, can
The fuel combination and oxygen that the inverse electrolysis of high-temperature fuel cell 4 generates all first pass through electrolytic gas heat exchanger 6, using secondary heat exchanger
5, the working medium of the waste-heat different heating temperature requirements of oxygen and fuel that classified utilization electrolysis generates improves fuel utilization
Rate, the electric power that the reversible electrolysis of high-temperature fuel cell 4 needs are provided by ac bus 29, and the alternating current on ac bus 29 passes through can
Inverse high-temperature fuel cell AC-DC converter 26 is converted to heavy DC electricity for reversible 4 cell reaction of high-temperature fuel cell.
When diesel-driven generator 15 works, oil pump 12 is opened, the diesel oil in fuel tank 13 by oil pump 12 from secondary heat exchanger into
Hydraulic fluid port 51 is heated into secondary heat exchanger 5, and the diesel oil of heating is exported from 5 oil outlet 52 of secondary heat exchanger, is changed into diesel oil
Hot device 8 continues to heat, and diesel oil enters diesel-driven generator 15 after continuing heating, and diesel-driven generator 15 generates electricity, in emergency
Under, the power generation of diesel-driven generator 15 is that emergency load 18 is powered, the electric power warp that diesel-driven generator 15 issues under superelevation load condition
It crosses step-up transformer 17 and is transported to ac bus 29, power for ship, two kinds of power supply modes pass through breaker control, diesel generation
The high-temperature tail gas that the power generation of machine 15 generates enters diesel oil heat exchanger 8, and diesel oil heat exchanger 8 utilizes waste heat from tail gas, and then tail gas is output to
Chimney 14, is finally discharged into atmosphere.
Energy-storage system 27 is mainly used for buffering load power fluctuation, and energy-storage system 27 passes through energy-storage system AC-DC converter
25 connect with ac bus 29, carry out energy exchange with ac bus 29 in real time；Wind generator system 20 and photovoltaic generating system
21 are affected by weather, and in addition to powering for high-voltage load 22, low-voltage load 23, remaining electric power is used for reversible high-temperature fuel cell
4 cell reactions；Diesel-driven generator 15 is different from wind generator system 20 and photovoltaic generating system as one of auxiliary generating plant
21, regulated power can be provided, can be used under superelevation load condition providing electric energy or emergency for ship micro-capacitance sensor
Electric energy is provided down for emergency load 18.
Under the conditions of different load, micro-capacitance sensor working method can be divided into following seven kinds.Assuming that Ps is bank electricity power, Pw is
20 power of wind generator system, Pp are 21 power of photovoltaic generating system, and Pa=Pw+Pp, PSOFC are reversible high-temperature fuel cell 4
Generated output, PSOFCM are reversible 4 maximum power generation of high-temperature fuel cell, and PSOEC is that reversible high-temperature fuel cell 4 is electrolysed function
Rate, Pload are bearing power, and Pd.g is 15 power of diesel-driven generator, and Ps.e is 27 power of energy-storage system, and Ps.e is energy-storage system
27 discharge powers, energy storage system discharges when Ps.e is positive value, energy-storage system charges when Ps.e is negative value.
State one: ship pulls in shore under state, Ps+Pa=Pload+PSOEC.
State two: low load condition, wind generator system 20 generates electricity at this time, and photovoltaic generating system 21 generates electricity, and cooperates simultaneously
Energy-storage system 27 provides electric power for load, and excrescent electric power is used for reversible 4 cell reaction of high-temperature fuel cell.PSOEC+Pload=
Pa+Ps.e because the sum of 20 generated output of photovoltaic generating system 21 and wind generator system fluctuate, Ps.e can for positive value or
Person's negative value.
State three: compared with low load condition, Pa < Pload < PSOFCM+Pa, reversible high-temperature fuel cell 4 generates electricity at this time, wind-force
Electricity generation system 20 generates electricity, and photovoltaic generating system 21 generates electricity, and provides electric power for load, extra electric energy stores.Ps.e+
Pload=Pa+PSOFC.
State four: higher load conditions, PSOFCM+Pa < Pload < PSOFC+Pa+Ps.e, reversible high-temperature fuel is electric at this time
Pond 4 generates electricity, and wind generator system 20 generates electricity, and photovoltaic generating system 21 generates electricity, and energy-storage system 27 discharges, and provides electric power for load,
Pload=PSOFC+Pa+Ps.e.
State five: higher load condition, PSOFCM+Pa+Ps.e < Pload < Pd.g+Pa+PSOFC, at this time diesel-driven generator 15
Power generation, wind generator system power generation 20, photovoltaic generating system 21 generates electricity, and reversible high-temperature fuel cell 4 generates electricity, and provides electricity for load
Power, Ps.e+Pload=Pd.g+Pa+PSOFC.
State six: superelevation load condition, Pd.g+PSOFC+Pa < Pload < Pd.g+Pa+PSOFC+Ps.e, diesel oil is sent out at this time
Motor 15 generates electricity, and wind generator system 20 generates electricity, and photovoltaic generating system 21 generates electricity, and reversible high-temperature fuel cell 4 generates electricity, energy storage system
27 electric discharge of system, provides electric power, Pload=Pd.g+Pa+PSOFC+Ps.e for load.
State seven: the state of emergency, diesel-driven generator 15 starts as emergency power supply at this time, provides electricity for emergency load 18
Power, Pload=Pd.g.
In conclusion the present invention is with reversible high-temperature fuel cell for main energy source, and wind generator system, photovoltaic hair
Electric system and diesel-driven generator are auxiliary energy source, and when ship pulls in shore, ship micro-capacitance sensor accesses bank electricity system, reversible high temperature
Fuel cell enters electrolysis state, produces reversible high-temperature fuel cell generating state by the exhaust gas generated under electrolysis generating state
The fuel of consumption, or reversible high-temperature fuel cell enters when photovoltaic generation power and wind-power electricity generation power are greater than bearing power
Electrolysis state, electrolysis energy storage device is for coping with load fluctuation.It, can when ship needs reversible high-temperature fuel cell to provide electric energy
Inverse high-temperature fuel cell generates electricity, and coordinates each electricity generation system and copes with different load conditions, the high-temperature tail gas that power generation is generated with electrolysis
By two-stage heat exchanger, high-temperature tail gas heat is graded utilization, improves energy utilization rate, superelevation load or in emergency circumstances,
Diesel-driven generator power generation, diesel oil enters heat exchanger by oil pump and heats and softens, and the high temperature tail that diesel-driven generator power generation generates
Gas is passed through heat exchanger, and heat exchanger utilizes waste heat from tail gas, can save fuel as far as possible in this way and reduce discharge.
Although above in conjunction with figure, invention has been described, and the invention is not limited to above-mentioned specific embodiment parties
Formula, the above mentioned embodiment is only schematical, rather than restrictive, and those skilled in the art are in this hair
Under bright enlightenment, without deviating from the spirit of the invention, many variations can also be made, these belong to guarantor of the invention
Within shield.
Claims (10)
1. a kind of ship multiple-energy-source micro-grid system, including fuel tank, gas tank, oxygen tank, air valve, heat exchanger, compressor, can
Inverse high-temperature fuel cell, oil pump, AC-DC converter, chimney, energy storage device, ac bus, filter, bank electricity interface, wind-force hair
Electric system, photovoltaic generating system, diesel-driven generator, compensation machine, transformer, high-voltage load, low-voltage load, emergency load and
Mating gas pipeline, oil pipeline and electric wire, it is characterised in that:
This ship multiple-energy-source micro-grid system is main energy sources, wind generator system 20, light with reversible high-temperature fuel cell 4
Photovoltaic generating system 21, diesel-driven generator 15 are auxiliary energy source, and system components connection is as follows, 3 gas outlet of fuel tank
It is connect with air valve V8,3 air inlet of fuel tank connects 11 gas outlet of fuel compressor, and 1 gas outlet of gas tank is connect with air valve V6, gives up
1 air inlet of gas tank connects 9 gas outlet of off-gas compressor, and 2 air inlet of oxygen tank connects 10 gas outlet of oxygen compressor, oxygen tank 2
Gas outlet is connect with air valve V7, and the air inlet of off-gas compressor 9 is connect with air valve V3,10 air inlet of oxygen compressor and air valve V4
Connection, 11 air inlet of fuel compressor are connect with air valve V5,5 fuel of secondary heat exchanger and exhaust gas inlet 55 and electrolytic gas heat exchanger
6 fuel outlets 63 are connected by air valve V1,5 fuel of secondary heat exchanger and exhaust gas inlet 55 and 7 waste gas outlet of gas heat exchanger that generates electricity
75 are connected by air valve V2, wherein air valve V1, V2 control fuel respectively and exhaust gas enters 5 fuel of secondary heat exchanger and exhaust gas connects
Mouth 55, air valve V3 connect 5 fuel of secondary heat exchanger and waste gas outlet 56 with air valve V5, and air valve V3, V5 control exhaust gas entrance respectively
Off-gas compressor 9 and fuel enter fuel compressor 11, and air valve V4 is connect with 5 oxygen outlet 54 of secondary heat exchanger, air valve V6 and
The connection of 6 exhaust gas inlet 65 of electrolytic gas heat exchanger, air valve V7 are connect with power generation 7 oxygen inlet 71 of gas heat exchanger, air valve V8 and power generation
7 fuel inlet 73 of gas heat exchanger connection, 5 oil inlet 51 of secondary heat exchanger are connect with fuel tank 13 by oil pump 12, secondary heat exchanger 5
Oil outlet 52 connects 8 oil inlet of diesel oil heat exchanger, and 5 oxygen inlet 53 of secondary heat exchanger connects 6 oxygen outlet of electrolytic gas heat exchanger
61,6 oxygen inlet 62 of electrolytic gas heat exchanger connects reversible 4 oxygen outlet 43 of high-temperature fuel cell, 6 fuel of electrolytic gas heat exchanger into
64 reversible 4 fuel outlets 42 of high-temperature fuel cell of connection of mouth, 6 waste gas outlet 66 of electrolytic gas heat exchanger connect reversible high-temperature fuel electricity
4 exhaust gas inlet 41 of pond, power generation 7 oxygen outlet 72 of gas heat exchanger connect reversible 4 oxygen inlet 44 of high-temperature fuel cell, and power generation gas changes
Hot 7 fuel outlet 74 of device connects reversible 4 oxygen inlet 45 of high-temperature fuel cell, and power generation 7 exhaust gas inlet 76 of gas heat exchanger connection can
Inverse 4 waste gas outlet 46 of high-temperature fuel cell, 8 oil outlet of diesel oil heat exchanger connect 15 oil inlet of diesel-driven generator, diesel oil heat exchanger 8
Air inlet connect 15 exhaust outlet of diesel-driven generator, 8 exhaust outlet of diesel oil heat exchanger connect 14 air inlet of chimney, diesel-driven generator 15 with
Emergency load 18 is connected by breaker, and is connect by step-up transformer 17 and breaker with high voltage bus 29, reversible height
Then 4 external two groups of power transmission lines of temp fuel battery, two groups of power transmission lines are all connect with reversible high-temperature fuel cell AC-DC converter 26
It is connect with ac bus 29, energy-storage system 27 connect with energy storage device AC-DC converter 25 and then connect with ac bus 29, hands over
Flow bus 29 as the connecting line of generating equipment and electrical appliance also with bank electricity interface 16, filter 19, wind generator system 20, light
Photovoltaic generating system 21, compensation machine 28 connect, and ac bus 29 is connect by breaker with high-voltage load 22, again also by breaker
Step-down transformer 24 is connect to connect with low-voltage load 23.
2. ship multiple-energy-source micro-grid system according to claim 1, it is characterised in that gas tank 1, oxygen tank 2, fuel
Tank 3 uses twoport gas tank, air inlet, and gas outlet connects different gas-guide tubes.
3. ship multiple-energy-source micro-grid system according to claim 1, it is characterised in that reversible high-temperature fuel cell 4 generates electricity
It generates high-temp waste gas and first passes through power generation gas heat exchanger 7, then pass through 5 classified utilization residual heat of reaction of secondary heat exchanger.
4. ship multiple-energy-source micro-grid system according to claim 1, it is characterised in that reversible high-temperature fuel cell 4 is electrolysed
It generates high-temp waste gas and first passes through electrolytic gas heat exchanger 6, then pass through 5 classified utilization residual heat of reaction of secondary heat exchanger.
5. ship multiple-energy-source micro-grid system according to claim 1, it is characterised in that diesel oil heat exchanger 8 is sent out using diesel oil
15 waste heat from tail gas of motor.
6. ship multiple-energy-source micro-grid system according to claim 1, it is characterised in that reversible high-temperature fuel cell 4 can be into
Row power generation and cell reaction.
7. ship multiple-energy-source micro-grid system according to claim 1, it is characterised in that reversible high-temperature fuel cell AC-DC
Converter 26 will convert alternating current to heavy DC electricity when rectifying.
8. ship multiple-energy-source micro-grid system according to claim 1, it is characterised in that energy-storage system 27 is by super capacitor
With lithium battery group at.
9. ship multiple-energy-source micro-grid system according to claim 1, it is characterised in that 15 tail gas of diesel-driven generator is passed through
Diesel oil heat exchanger, utilizes waste heat from tail gas.
10. ship multiple-energy-source micro-grid system according to claim 1, feature with secondary heat exchanger fuel and exhaust gas
The pipeline that interface 55 connects is fuel and exhaust gas common conduit, can save pipeline, reduces heat exchanger interface, and hidden without safety
Suffer from.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113783227A (en) * | 2021-08-30 | 2021-12-10 | 深圳市氢蓝时代动力科技有限公司 | Marine fuel cell power supply system and fuel cell ship |
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