CN102145743A - Ship electric propulsion system with fuel cell and application method thereof - Google Patents
Ship electric propulsion system with fuel cell and application method thereof Download PDFInfo
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- CN102145743A CN102145743A CN2011100535281A CN201110053528A CN102145743A CN 102145743 A CN102145743 A CN 102145743A CN 2011100535281 A CN2011100535281 A CN 2011100535281A CN 201110053528 A CN201110053528 A CN 201110053528A CN 102145743 A CN102145743 A CN 102145743A
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- fuel cell
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- propulsion system
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T70/00—Maritime or waterways transport
- Y02T70/50—Measures to reduce greenhouse gas emissions related to the propulsion system
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
Abstract
The invention discloses a novel ship electric propulsion system which adopts a power supply mode of taking a fuel cell as the main power supply and an energy storing battery pack as assistance. In the process from cold start to normal operation of a fuel cell system, or when the fuel cell system cannot output electric energy due to sudden failure, the electric propulsion system supplies emergency power by use of the energy storing battery; after the fuel cell system enters the normal operation state, the energy storing battery is in a floating charge state which can output electric energy anytime once the fuel cell system cannot supply power normally; in the case of sudden load reduction during the ship control or sudden effect of wind, wave or current, the electric propulsion system generates transient reverse power and produces regenerative electric energy; such regenerative electric energy is absorbed by the energy storing battery pack in the floating charge state so as to ensure the operation safety of the ship electric propulsion system; and by recycling the regenerative electric energy, the energy is saved. Through the invention, zero emission of the ship can be realized, and the ship electric propulsion system is a real green ship electric propulsion system.
Description
Technical field
The present invention relates to the watercraft electric propulsion system technical field, particularly relate to a kind of fuel cell-powered watercraft electric propulsion system, the invention still further relates to the application process of the fuel cell-powered watercraft electric propulsion system of this kind.
Background technology
Electric propulsion system is a kind of advanced person's a propulsion of ship mode.This propulsion mode can improve the technical and economic performance of boats and ships, has that maneuvering performance is good, the characteristics of energy-conserving and environment-protective, can reduce the exhaust emission of boats and ships, reduces the fuel energy consumption of boats and ships, can obtain dynamic characteristic preferably simultaneously.Chinese patent 201010300192.x discloses a kind of diesel engine-generator set, switching arrangement, main motor and angle of rake electric propulsion system of comprising; Chinese patent 200810034693.0 discloses a kind of control setup and control method thereof of Electrical Propulsion Ship.In the above-mentioned patent, the active force power supply of its Electrical Propulsion Ship is conventional diesel engine-generator set (being called for short the bavin group of motors).Because the long-term constant-speed operation of bavin group of motors under the High Load Rate state, has avoided resembling high oil consumption and the over-emitting black exhaust phenomenon of diesel propulsion boats and ships when low speed or idling propelling operating mode.But in itself, the electric propulsion system of this bavin group of motors power supply can only limited reduction but can not be eliminated the exhaust emission of boats and ships at all.
Development is significant as the green ship of propulsion source with clean energy resource.Chinese patent 200710036259.1 discloses a kind of watercraft electric propulsion system based on super capacitance hybrid power, and its electric power system comprises super capacitor group and the battery pile that links to each other with propulsion control system; Chinese patent 200820155772.2 discloses a kind of electric power system that is used for watercraft electric propulsion system, and its electric power system comprises super capacitor group and the battery pile that links to each other with propulsion control system.In the above-mentioned patent with storage battery and super capacitor as the active force power supply of watercraft electric propulsion system, cancelled conventional bavin group of motors, make boats and ships self can realize the zero-emission of waste gas.But, need through bank base charging energy storage as the super capacitor and the storage battery of boats and ships main power source, what therefore objectively realize is that discharging is shifted; Secondly,, then can cause boats and ships to run out of steam, can cause serious navigation safety accident in case the energy storage of super capacitor and storage battery is used up or self et out of order under sail.
Summary of the invention
Technical matters to be solved by this invention is the defective that exists at above-mentioned prior art and a kind of inland river medium and small-scale vessel that is applicable to of proposing, with fuel cell as the main power source of electric propulsion system, with the novel ship electric propulsion system of storage battery as the accessory feed powering mode.This with the green ship electric propulsion system of fuel cell as the cleaning propulsion source, really realize " zero-emission " of boats and ships.
Technical matters to be solved by this invention can realize by following technological means:
A kind of fuel cell-powered watercraft electric propulsion system, total system have comprised at least one cover fuel cell system, an energy storage battery group, an electric propulsion system, other power load, electrical network, secondary electrical network; Described fuel cell system and energy storage battery group are connected on electrical network, and a described electrical network is connected with the secondary electrical network, and described electric propulsion system and other power load are connected on the secondary electrical network.
Described fuel cell system comprises Proton Exchange Membrane Fuel Cells body, air compressor, voltage stabilizing current limit control valve hydrogen storage tank, cooling blower, draining control valve, fuel cell control device, humidifier; Described voltage stabilizing current limit control valve and humidifier are connected Proton Exchange Membrane Fuel Cells body one side, described cooling blower and draining control valve are connected Proton Exchange Membrane Fuel Cells body opposite side, described air compressor connects humidifier, described hydrogen storage tank connects the voltage stabilizing current limit control valve, and described fuel cell control device connects air compressor, voltage stabilizing current limit control valve, cooling blower, draining control valve, humidifier respectively.
Described electric propulsion system is the two oar electric propulsion systems of two-shipper, comprises that identical two overlap bonded assembly speed setting controller and main motor successively,
A described electrical network is connected with circuit breaker by supply convertor with the secondary electrical network, and supply convertor links to each other with circuit breaker.
Described fuel cell system, energy storage battery group, electric propulsion system and other power load all are connected on the electrical network by circuit breaker.
A kind of fuel cell-powered watercraft electric propulsion system application process has starting or emergency service state, normal operating condition and three kinds of states of reverse power state in short-term during the operation of described watercraft electric propulsion system; The watercraft electric propulsion system application process is respectively under these three kinds of states:
A. start or the emergency service state
As the fuel cell system of watercraft electric propulsion system main power source, to normal operation output rated power, need a period of time from cold starting.Therebetween, fuel cell system and an electrical network are in off-state, electric propulsion system relies on the energy storage battery group that electric energy is provided, in addition, when fuel cell system can not be exported electric energy because of catastrophic failure, fuel cell system and an electrical network disconnect rapidly, and the electric propulsion system of this moment also must rely on the energy storage battery group to come emergency service;
B. normal operating condition
When fuel cell system from the cold starting certain hour, breaker closing between fuel cell system and the electrical network, fuel cell system enters normal operating condition, provide electric power to electric propulsion system, and the energy storage battery group of this moment is in the floating charge state by the circuit breaker between itself and the electrical network, in case fuel cell system can not supply regular power, can export electric energy at any time;
C. reverse power state in short-term
Anticlimax load when manoeuvre of ship, or because the unexpected effect of stormy waves stream, electric propulsion system will produce reverse power phenomenon in short-term, can produce regenerative electric energy, at this moment, this regenerative electric energy will absorb by the energy storage battery group that is in the floating charge state, thereby guarantees the safety of watercraft electric propulsion system operation.
Fuel cell-powered watercraft electric propulsion system of the present invention can be realized " zero-emission " of boats and ships, is a kind of real green ship electric propulsion system, helps environmental protection, also helps energy-conservation.
Description of drawings
Fig. 1 is a composition structural principle block diagram of the present invention.
Fig. 2 is an electric power supply system of fuel cell structured flowchart of the present invention.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
A kind of fuel cell as the composition structural principle block diagram of the watercraft electric propulsion system of active force power supply as shown in Figure 1.
(1) fuel cell-powered watercraft electric propulsion system is formed
Fuel cell mainly is made up of an electrical network 300 of ship power supply system, the secondary electrical network 400 of electric propulsion load on circuit structure as the watercraft electric propulsion system of active force power supply.
One time electrical network 300 is a direct current network, has connected fuel cell system 111,211 and energy storage battery group 36.Design specific requirement according to watercraft electric propulsion system, and the shipbuilding standard of classification society, can dispose the fuel cell system (being 111 and 211 2 covers among Fig. 1) of the above same type of a cover, two covers or two covers, be connected on electrical network 300 by supply convertor 31,32 and corresponding circuit breaker 33,34.Energy storage battery group 36 is connected on electrical network 300 by circuit breaker 35 as accessory feed, the floating charge state that is in all the time in service.
Secondary electrical network 400 can be that AC network also can be a direct current network as distrbution network, decides according to the design of watercraft electric propulsion system and the specific requirement of configuration.The two oar electric propulsion systems 311 of two-shipper are realized break-make as main load by on-load switch 41 and 42.Other load also obtains electric energy by on-load switch from secondary electrical network 400.
When secondary electrical network 400 was AC network, supply convertor 37 should be DC/AC changer (AC inverter), by circuit breaker electrical network of 38 connections and secondary electrical network.The main motor 45 and 46 of electric propulsion system 311 is configured to autosynchronous motor or AC asynchronous motor, corresponding speed setting controller 43 and 44 should be the controlled DC/AC changer (AC inverter) of output voltage and frequency, obtains after on-load switch 41 and 42 closes a floodgate.This is the application implementation that a kind of representative type alternating electromotive force advances boats and ships.
When secondary electrical network 400 was direct current network, supply convertor 37 can save, directly by circuit breaker electrical network of 38 connections and secondary electrical network.The main motor 45 and 46 of electric propulsion system 311 is configured to DC motor, and corresponding speed setting controller 43 and 44 should be the controlled DC/DC changer (dc voltage regulator) of output voltage, obtains after on-load switch 41 and 42 closes a floodgate.This is the application implementation that a kind of representative type direct current power advances boats and ships.
(2) electric power supply system of fuel cell
The electric power supply system of fuel cell of Electrical Propulsion Ship as shown in Figure 2.1 is Proton Exchange Membrane Fuel Cells (PEMFC) body.Hydrogen storage tank 4 is connected on the PEMFC fuel cell 1 by voltage stabilizing current limit control valve 3; Atmospheric air is connected on the PEMFC fuel cell 1 by air compressor 2 and humidifier 8.The fuel cell 1 dependence air cooling that is in operation is carried out cooling air circulation by cooling blower 5.The water that produces in the fuel cell operation is discharged by draining control valve 6.7 is fuel cell control device, in order to control hydrogen voltage stabilizing current limit control valve 3, air compressor 2, humidifier 8, cooling blower 5, draining control valve 6 etc.
During fuel cell system 111 work, be transformed into the direct current (DC) of assigned voltage grade by DC/DC changer 31, and be transported on electrical network 300 by circuit breaker 33 by the electric energy of fuel cell 1 output.
(3) application process
1. start or the emergency service state
As the fuel cell system 111 of watercraft electric propulsion system main power source, to normal operation output rated power, need a period of time from cold starting.Therebetween, circuit breaker 33 keeps gate-dividing state, and electric propulsion system 311 relies on energy storage battery 36 that electric energy is provided.In addition, when fuel cell system 1111 can not be exported electric energy because of catastrophic failure, circuit breaker 33 rapid separating brakes, the electric propulsion system 311 of this moment also must rely on energy storage battery 36 to come emergency service.Therefore energy storage battery 36 must possess the certain power capacity, to satisfy the electric propulsion electricity consumption needs under this state as auxiliary emergency source of electrical power.
2. normal operating condition
When fuel cell system 111 circuit breaker 33 behind the cold starting certain hour closes a floodgate.Fuel cell enters normal operating condition, provides electric power to electric propulsion system 311.And the energy storage battery 36 of this moment is in the floating charge state by circuit breaker 35, in case fuel cell can not supply regular power, can export electric energy at any time.
3. reverse power state in short-term
Anticlimax load when manoeuvre of ship, or because the unexpected effect of stormy waves stream may make main motor 45,46 be in flash power generation machine running state, electric propulsion system 311 will produce reverse power phenomenon in short-term.At this moment, this regenerative electric energy will absorb by the energy storage battery 36 that is in the floating charge state, thereby guarantees the safety of watercraft electric propulsion system operation.Simultaneously, by the reclaiming electric energy, realize the energy-conservation of electric propulsion engine installation.
More than show and described groundwork of the present invention, principal character and advantage of the present invention.The technical personnel of the industry should be understood; the present invention is not restricted to the described embodiments; that describes in the foregoing description and the specification sheets just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (6)
1. a fuel cell watercraft electric propulsion system is characterized in that, total system has comprised at least one cover fuel cell system, an energy storage battery group, an electric propulsion system, other power load, electrical network, secondary electrical network; Described fuel cell system and energy storage battery group are connected on electrical network, and a described electrical network is connected with the secondary electrical network, and described electric propulsion system and other power load are connected on the secondary electrical network.
2. fuel cell watercraft electric propulsion system as claimed in claim 1, it is characterized in that described fuel cell system comprises Proton Exchange Membrane Fuel Cells body, air compressor, voltage stabilizing current limit control valve, hydrogen storage tank, cooling blower, draining control valve, fuel cell control device, humidifier; Described voltage stabilizing current limit control valve and humidifier are connected Proton Exchange Membrane Fuel Cells body one side, described cooling blower and draining control valve are connected Proton Exchange Membrane Fuel Cells body opposite side, described air compressor connects humidifier, described hydrogen storage tank connects the voltage stabilizing current limit control valve, and described fuel cell control device connects air compressor, voltage stabilizing current limit control valve, cooling blower, draining control valve, humidifier respectively.
3. fuel cell watercraft electric propulsion system as claimed in claim 1 is characterized in that, described electric propulsion system is the two oar electric propulsion systems of two-shipper, comprises that identical two overlap bonded assembly speed setting controller and main motor successively.
4. fuel cell watercraft electric propulsion system as claimed in claim 1 is characterized in that, a described electrical network is connected with circuit breaker by supply convertor with the secondary electrical network, and supply convertor links to each other with circuit breaker.
5. fuel cell watercraft electric propulsion system as claimed in claim 1 is characterized in that, described fuel cell system, energy storage battery group, electric propulsion system and other power load all are connected on the electrical network by circuit breaker.
6. a fuel cell watercraft electric propulsion system application process as claimed in claim 1 is characterized in that, has starting or emergency service state, normal operating condition and three kinds of states of reverse power state in short-term during the operation of described watercraft electric propulsion system; The watercraft electric propulsion system application process is respectively under these three kinds of states:
A. start or the emergency service state
As the fuel cell system of watercraft electric propulsion system main power source, to normal operation output rated power, need a period of time from cold starting; Therebetween, fuel cell system and an electrical network are in off-state, electric propulsion system relies on the energy storage battery group that electric energy is provided, in addition, when fuel cell system can not be exported electric energy because of catastrophic failure, fuel cell system and an electrical network disconnect rapidly, and the electric propulsion system of this moment also must rely on the energy storage battery group to come emergency service;
B. normal operating condition
When fuel cell system from the cold starting certain hour, breaker closing between fuel cell system and the electrical network, fuel cell system enters normal operating condition, provide electric power to electric propulsion system, and the energy storage battery group of this moment is in the floating charge state by the circuit breaker between itself and the electrical network, in case fuel cell system can not supply regular power, can export electric energy at any time;
C. reverse power state in short-term
Anticlimax load when manoeuvre of ship, or because the unexpected effect of stormy waves stream, electric propulsion system will produce reverse power phenomenon in short-term, can produce regenerative electric energy, at this moment, this regenerative electric energy will absorb by the energy storage battery group that is in the floating charge state, thereby guarantees the safety of watercraft electric propulsion system operation.
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102623735A (en) * | 2012-04-01 | 2012-08-01 | 张慧书 | High-energy storage cell material, engine block, full cell electric vehicle and using method of engine block |
CN107867384A (en) * | 2017-10-28 | 2018-04-03 | 中车永济电机有限公司 | 5000 tons of inland water transport marine electric propulsion systems |
CN108639299A (en) * | 2018-03-08 | 2018-10-12 | 哈尔滨工程大学 | A kind of pneumoelectric series parallel type ship hybrid power system of carrying fuel battery |
CN108657406A (en) * | 2018-03-08 | 2018-10-16 | 哈尔滨工程大学 | A kind of bavin pneumoelectric series parallel type ship hybrid power system of carrying fuel battery |
CN108860549A (en) * | 2018-03-08 | 2018-11-23 | 哈尔滨工程大学 | A kind of parallel ship hybrid power system of the bavin pneumoelectric of carrying fuel battery |
CN109278971A (en) * | 2018-10-08 | 2019-01-29 | 吕大明 | Hydrogen electric energy electric ship |
CN110104157A (en) * | 2019-05-20 | 2019-08-09 | 广西师范大学 | A kind of lithium ion battery for new energy ship-magnesium air cell hybrid power system |
CN110304228A (en) * | 2019-08-09 | 2019-10-08 | 大连海事大学 | Battery power ship and its application method with flywheel energy storage system |
CN110896230A (en) * | 2018-09-12 | 2020-03-20 | 国家能源投资集团有限责任公司 | SOFC power generation system and control method thereof |
CN114889793A (en) * | 2022-05-13 | 2022-08-12 | 广东逸动科技有限公司 | Ship power control system, ship and ship control method |
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CN107867384A (en) * | 2017-10-28 | 2018-04-03 | 中车永济电机有限公司 | 5000 tons of inland water transport marine electric propulsion systems |
CN108639299A (en) * | 2018-03-08 | 2018-10-12 | 哈尔滨工程大学 | A kind of pneumoelectric series parallel type ship hybrid power system of carrying fuel battery |
CN108657406A (en) * | 2018-03-08 | 2018-10-16 | 哈尔滨工程大学 | A kind of bavin pneumoelectric series parallel type ship hybrid power system of carrying fuel battery |
CN108860549A (en) * | 2018-03-08 | 2018-11-23 | 哈尔滨工程大学 | A kind of parallel ship hybrid power system of the bavin pneumoelectric of carrying fuel battery |
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CN110896230A (en) * | 2018-09-12 | 2020-03-20 | 国家能源投资集团有限责任公司 | SOFC power generation system and control method thereof |
CN109278971A (en) * | 2018-10-08 | 2019-01-29 | 吕大明 | Hydrogen electric energy electric ship |
CN110104157A (en) * | 2019-05-20 | 2019-08-09 | 广西师范大学 | A kind of lithium ion battery for new energy ship-magnesium air cell hybrid power system |
CN110304228A (en) * | 2019-08-09 | 2019-10-08 | 大连海事大学 | Battery power ship and its application method with flywheel energy storage system |
CN110304228B (en) * | 2019-08-09 | 2023-12-22 | 大连海事大学 | Battery powered watercraft with flywheel energy storage system and method of use thereof |
CN114889793A (en) * | 2022-05-13 | 2022-08-12 | 广东逸动科技有限公司 | Ship power control system, ship and ship control method |
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Application publication date: 20110810 |