EP3310610A1 - Systeme de propulsion et procédé d'entraînement d'un moyen de propulsion d'un véhicule, en utilisant un refroidissement cryogénique - Google Patents

Systeme de propulsion et procédé d'entraînement d'un moyen de propulsion d'un véhicule, en utilisant un refroidissement cryogénique

Info

Publication number
EP3310610A1
EP3310610A1 EP16731551.4A EP16731551A EP3310610A1 EP 3310610 A1 EP3310610 A1 EP 3310610A1 EP 16731551 A EP16731551 A EP 16731551A EP 3310610 A1 EP3310610 A1 EP 3310610A1
Authority
EP
European Patent Office
Prior art keywords
generator
drive system
electric motor
coolant
fuel cell
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP16731551.4A
Other languages
German (de)
English (en)
Inventor
Tabea Arndt
Mykhaylo Filipenko
Agnieszka Makowska
Frank Anton
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rolls Royce Deutschland Ltd and Co KG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP3310610A1 publication Critical patent/EP3310610A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
    • B60L50/15—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with additional electric power supply
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/70—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by fuel cells
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
    • B64D27/02—Aircraft characterised by the type or position of power plants
    • B64D27/24—Aircraft characterised by the type or position of power plants using steam or spring force
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K55/00—Dynamo-electric machines having windings operating at cryogenic temperatures
    • H02K55/02—Dynamo-electric machines having windings operating at cryogenic temperatures of the synchronous type
    • H02K55/04—Dynamo-electric machines having windings operating at cryogenic temperatures of the synchronous type with rotating field windings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/10—Air crafts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D33/00—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for
    • B64D33/08—Arrangements in aircraft of power plant parts or auxiliaries not otherwise provided for of power plant cooling systems
    • 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
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • 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

Definitions

  • the invention relates to a drive system for providing kinetic energy, for a propulsion unit of a driving ⁇ zeugs, in particular of an aircraft.
  • the power to weight ratio of at ⁇ drive system is crucial, ie the ratio of the recoverable with the drive system performance and its mass.
  • the propulsion system has to provide a boosting power and thus generate a buoyant force sufficient to overcome the gravitational pull.
  • the concept of superconductivity can be used in the design of the generators.
  • superconductors can be used to achieve very high magnetic flux densities.
  • superconductors can carry very high current densities. Because of this, the cross-sectional area of the turns of the current-carrying coils of the generator can be substantially reduced and thereby reduce the mass of the machine.
  • Such sup ⁇ ra decisionsde generators may contain tor superconducting components eg. In the stator and / or in the Ro.
  • the sup ⁇ ra organizationsden components of a superconducting generator is first liquefied coolant by a cryocooler and transported in liquid state and at very low temperature to the one or more superconducting components of the generator and brought into thermal contact therewith for cooling.
  • a known coolant is, for example, neon, which is typically used at a temperature of about 27K.
  • the disadvantage here is on the one hand that the cryocooler consisting of a cooling head and a compressor has a high weight.
  • the coolant neon is a rare and expensive Medi ⁇ um, so it should be recovered in a cycle and collected in a corresponding tank. This also increases the weight of the entire system, which has a negative impact on the power to weight ratio.
  • liquid nitrogen can also be used for cooling.
  • nitrogen has the disadvantage that its critical temperature of 77K is comparatively high.
  • a drive system for driving a pre-drive means of a vehicle in particular an aviation ⁇ zeugs, an electric motor for driving the propulsion means and a generator for providing a first electrical energy EE.
  • the generator with the Elect ⁇ romotor is electrically connected to the electric motor for machine drive ben of the electric motor at least to supply a first portion of the first electrical energy EE1 EE.
  • the generator is a cryogenic generator, in particular a superconducting generator having at least one cryogenic component, which by means of a generator and thus to the
  • Component feedable coolant which may be in particular water ⁇ material, which is in particular in the liquid state, can be brought to a cryogenic temperature.
  • the cryogenic component has a conductivity at the cryogenic temperature which is superior to its conductivity
  • the generator is further ver ⁇ connected with at least one device of the drive system, to the at least a portion of the coolant can be guided to fulfillment of a predetermined criterion, in particular in gasförmi ⁇ gem state and which is adapted to process the at ⁇ guided coolant such that a power system EEB, KEG is provided.
  • the generator may be a superconducting generator, which comprises at least one superconducting device to ⁇ which, when it is situated at an appropriate temperature, is in a superconducting state.
  • the coolant in particular hydrogen in the liquid state, is supplied to the generator and the superconducting component.
  • cryogenic generator that at least one component of the generator, eg., A solenoid, is cryogenically cooled and accordingly to a cryogenic, ie is at an extremely low temperature at which the conductivity opposite the space Tempe ⁇ temperature e.g. is improved by a factor of 3 or more.
  • cryogenic component is to be understood as meaning that this component is cryogenically cooled.
  • cryogenic component For example. it is conceivable to make the cryogenic component from copper or aluminum and to cool it to a temperature of 21K. Although these metals are not yet super conductive at this temperature, their resistance decreases by three orders of magnitude over the resistance at room temperature, which is already an enormous advantage.
  • the cryogenic cooling goes so far that the cooled component goes into a superconducting state.
  • this component consists of a material that goes into the superconducting state when falling below the typical for this material transition temperature.
  • the term superconducting generator means that at least one component of the generator, for example the magnetic coil again, is superconducting or consists of a material which, when falling below the typical transition temperature for this material, passes into the superconducting state.
  • the term superconducting grain component to be understood that this component consists of a Ma ⁇ material which has transitions falls below the typical temperature for this material transition in the superconducting state.
  • the coolant is preferably hydrogen
  • Fuel cell consequently a hydrogen-sour ⁇ fuel cell fuel.
  • the reaction product is accordingly spre ⁇ accordingly deionized water, which has the advantage that the cooled by the reaction product components of the electric motor as well as the media connection will be only slightly affected by the water.
  • Said device may be a fuel cell, where ⁇ is connected to the generator via a first media connection to the fuel cell. By way of the media connection, at least a first part of the coolant can be guided from the generator to the fuel parts after the predetermined criterion has been met in the gaseous state.
  • Coolant with a reactant a chemical reaction from which a second electrical energy EEB and a reaction product H20 emerge.
  • the fuel cell back ter is the cooled system, an efficient groove ⁇ wetting of the coolant is made possible which goes beyond the actual use for cooling of the generator or of the component addition.
  • the fuel cell is connected via a second media connection with the electric motor, via which the reaction product H20 can be fed to the electric motor as a cooling medium in order to cool it.
  • the fuel cell can be electrically connected to one or more electrical components of the aircraft, in each case at least part EEB1, EEB2, EEB3 of the second electrical energy EEB to the electrical components for use in the respective electrical component.
  • the electrical components may include, for example, the electric motor, a battery of the drive system or to ⁇ dere electrical consumers of the vehicle.
  • the electric motor and / or one or more electrical loads of the vehicle is supplied, for example.
  • the fuel cell can thus be electrically connected to the electric motor, wherein at least a first part EEB1 of the second electrical energy EEB for driving the electric motor from the fuel cell to the electric motor is feasible.
  • at least a second part EEB2 of the second electrical energy EEB of this battery can be fed and stored there.
  • the battery can be electrically connected to one or more of the electrical components of the vehicle, so that stored in the battery electrical energy EE of the respective electrical component can be provided.
  • the drive system may further include an internal combustion engine for driving the generator.
  • the internal combustion engine is configured to provide kinetic energy KEG by combustion of a medium, and mechanically connected to the generator to supply the generator with the provided kinetic energy KEG.
  • the generator converts the supplied kinetic energy KEG into the first electrical energy EE, from which at least a first part EE1 is provided to the electric motor in order to drive it.
  • the medium to be combusted in the internal combustion engine is the coolant.
  • the generator is connected via a third media connection with the internal combustion engine, via which at least a second part of the coolant after fulfillment of the predetermined criterion in gaseous state from the generator to the engine is feasible to be burned there.
  • the internal combustion engine, the Vorrich- tung represents to the at least a portion of the coolant can be guided by He ⁇ filling said predetermined criterion and which is adapted to the supplied coolant such to verar ⁇ BEITEN that a usable in the drive system power be ⁇ provided.
  • the said predetermined criterion may be an exceeding of a predetermined temperature. Exceeding this temperature would have the consequence that the cooling of the generator or the component takes place less efficiently, wherein the coolant in particular passes into the gaseous state when the temperature is exceeded.
  • the criterion can also be the physical state of the refrigerant so, so that the cooling means or at least part thereof, for the device ge ⁇ leads is or is feasible once it is in the gaseous state.
  • the propulsion means is driven by an electric motor of the propulsion system.
  • a generator of the drive system supplies the electric motor with a first electrical energy EE to drive the electric motor.
  • the generator is a cryogenic generator, in particular a superconducting generator, which has at least one cryogenic or possibly superconducting one Component which component is brought to a cryogenic temperature by means of a coolant supplied to the generator and the component and which component has a conductivity at the cryogenic temperature, the at least one compared to its conductivity at room temperature or, for example, at 0 ° C. Magnitude is increased.
  • At least part of the coolant, in particular in the gaseous state, after delivery of a predetermined criterion, is led by the generator to at least one device of the drive system which processes the supplied coolant such that an energy EEB, KEG which can be used in the drive system is provided.
  • the coolant is in particular water, which is preferably in the liquid state for cooling the generator or the component .
  • the device is in one embodiment, a fuel cell, wherein at least a first part of the coolant is performed after fulfillment of the predetermined criterion, in particular in gas ⁇ shaped state from the generator to the fuel parts.
  • the coolant with a reaction partner 02 enters into a chemical reaction, from which a second electrical energy EEB and a reaction product H20 emerge.
  • the reaction product H20 is supplied to the electric motor as a cooling medium to cool the electric motor. At least a first part EEB1 of the second electrical energy EEB is led to drive the electric motor from the fuel cell to the electric motor.
  • the drive system may have a battery, wherein at least a second part EEB2 of the second electrical energy EEB is supplied to the battery and stored there.
  • the battery is electrically connected to one or more electrical components of the vehicle so that in the battery stored electrical energy EE of the respective electrical ⁇ 's component is provided.
  • the generator is driven drive system by an internal combustion engine of the check, wherein the combustion engine kinetic energy KEG providing by a combustion of a medium, the provided kinetic energy is supplied to the Ge ⁇ erator and the generator supplied kine ⁇ diagram energy KEG electrical in the first Energy EE is being transformed.
  • the first electrical energy EE at least a first part EE1 is provided to the electric motor to drive it.
  • the medium to be combusted is the coolant, with at least a second portion of the refrigerant is performed after fulfillment ⁇ development of the predetermined criterion in the gaseous state from the generator to the internal combustion engine to be burned there.
  • the predetermined criterion may be an exceeding of a predetermined temperature or the achievement of a predetermined state of matter of the coolant, in particular the He ⁇ reaching the gaseous state of matter.
  • the vehicle is preferably an air- ⁇ vehicle, eg. An aircraft.
  • the described drive system is also applicable to hybrid road vehicles or trains.
  • the concept presented here brings a number of other advantages with it in addition to the introduction be ⁇ already mentioned advantages of the serial hybrid concept.
  • hydrogen is used as the coolant.
  • the Siedetempe ⁇ temperature of liquid hydrogen is 21K, so that the cooled by liquid hydrogen components can be placed in a state in which their conductivity already allows a very efficient operation due to the incoming superconductivity.
  • the water can not be recovered or collected, but the resulting in the chemical reaction in the fuel cell water can be delivered directly and / or otherwise used, for example. On board the vehicle.
  • the power to weight ratio that the weight and the power consumption of a cryocooler entfal ⁇ len.
  • power or electrical energy is generated in the fuel cell, which can be used in corresponding electrical components of the vehicle.
  • the electrical components may be, for example, the electrical equipment of the vehicle such as a lighting system or the like.
  • WEI terhin can be supplied to the electric power of a battery of driving ⁇ zeugs and stored there.
  • This vomit ⁇ -assured energy may, for example, be used in order to supply the Elect ⁇ romotor for driving the propulsion unit and / or the elekt ⁇ step equipment of the vehicle, the former especially at takeoff or landing of the aircraft.
  • the elekt ⁇ cal energy from the fuel cell can also be fed directly to the electric motor.
  • Fuel cell and / or the internal combustion engine are located behind the refrigerated system, allowing efficient use of the coolant.
  • Show it: 1 shows a series-hybrid drive system of an aircraft for driving a propulsion means of the aircraft in a first embodiment
  • a connection is meant by a mechanical connection of two components or components which allows the transmission of kinetic energy, for example rotational energy, from one of the components to the other.
  • the transmission of the kinetic energy means, for example. From an engine to a generator that an offset from the engine to the rotating shaft drives a rotor of the generator at ⁇ , so that the services provided by the engine is available kineti ⁇ specific rotational energy is used such in that the rotor of the generator in turn is set in rotation and accordingly a kinetic energy was supplied to it.
  • an electrical connection of two components allows the transmission of electrical energy from one component to another.
  • the connected components may be, for example, the said internal combustion engine which causes rotation of a shaft and the electric generator.
  • These components are mechanically interconnected via suitable components.
  • the suitable components can be, for example, shafts, axles, gears, etc.
  • the transferred from the engine to the generator, kinetic energy is converted into electrical energy in the genera ⁇ tor.
  • This generator can now in turn be electrically connected to an electric motor to provide the electric motor required for its operation electrical energy available.
  • An electrical connection can be realized, for example, with the aid of a cable.
  • FIG. 1 shows a schematic representation of a first exemplary form of a serial hybrid drive system 100 for a vehicle 1, the vehicle 1 by way of example is for an air ⁇ vehicle, eg. An aircraft.
  • the drive system 100 has an internal combustion engine 110, which receives the medium 111 to be incinerated from a tank 112.
  • the medium 111 depends on the type of Verbrennungsmo ⁇ gate 110. In the event that it is, in the vehicle 1 about a plane, the medium 111 may be, for example, kerosene.
  • the gate 110 Verbrennungsmo ⁇ kinetic energy KEG available, for example. Rotati ⁇ onsenergy.
  • the kinetic energy is supplied via a mechanical connection 113, for example a shaft, to a generator 120, which converts the kinetic energy KEG into electrical energy EE.
  • a part EE1 of the electrical energy EE is supplied to an electrical motor 140 of the drive system 100, which converts this elec ⁇ cal energy EE1 in kinetic energy KEV.
  • the kinetic energy KEV thus provided is finally supplied via a further mechanical connection 141 directly or possibly via the mentioned suitable components (not shown) to the driving means 150.
  • the propulsion means 150 in the case of an aircraft 1, for example, a propeller, is thus driven by the kinetic energy KEV and thus provides the propulsion of the aircraft 1.
  • the term propulsion should not necessarily mean that the vehicle 1 in Vor ⁇ is moved in the direction of movement.
  • propulsion merely implies that the vehicle 1 is being moved, but is not limited to a forward or backward direction, etc.
  • the electric motor 140 is supplied to a battery 160 and stored there.
  • the battery 160 is electrically connected to the generator 120 for this purpose.
  • the battery 160 is further electrically connected to the electric motor 140, so that, for example, in the event that the electric motor 140 requires more electric power than the generator 120 can supply, the electric motor 140 from the battery 160 electrical energy EE3 to Can be made available.
  • the electrical energy stored in the battery 160 may also be used to power electrical loads 190 of the aircraft, such as a light system 190.
  • the internal combustion engine 110 is not connected to the direct power transmission or mechanically to the propulsion means 150.
  • the internal combustion engine 110 is merely used to drive the generator 120, which in turn supplies the electric motor 140 and possibly the battery 160 with electrical energy.
  • the propulsion of the vehicle 1 is effected in the series-hybrid concept exclusively by the electric motor 120.
  • the generator 120 is preferably a superconducting generator in whose construction, in particular, the concept of
  • High-temperature superconductivity was applied.
  • the HTS generator 120 has superconducting components 121, wherein, depending on the design of the HTS generator 120, for example, the stator and / or the rotor or the magnetic coils of the generator 120 can be designed as superconducting components 121.
  • a tank 170 a correspondingly necessary cooling of the Ge ⁇ nerators 120 and the superconducting components 121 required liquid coolant 171 is stored, wherein the coolant 171 is liquid hydrogen.
  • the hydrogen 171 is, if necessary, for example. Controlled by the control unit 130 from the tank 170 to the superconducting components 121 of the HTS generator passed 120 to briefly a ⁇ agreed target temperature or to cool them below the transition temperature.
  • the temperature of the hydrogen outside of the tank 170 and around the generator 120 will increase over time and during operation of the drive system 100 and the generator 120. Once a predetermined temperature is exceeded, hydrogen 171-1 is added to the HTS
  • This is also controlled by the control unit 130, which, for example, monitors the temperature of the superconducting components 121 and of the hydrogen 171 in the vicinity of the HTS generator 120 via corresponding sensors (not shown).
  • the control unit 130 causes, for example. An actuating corresponding valves, etc., so that the hydrogen gas 171-1 ge ⁇ reached to the fuel cell 180th In the fuel cell 180, the hydrogen 171-1 is brought into contact with oxygen O 2, which can be taken from the environment, for example.
  • Hydrogen 171-1 and the reaction partner oxygen 02 enter into a chemical reaction, from which in a known manner electrical energy EEB and a
  • the electrical energy EEB can be supplied to one or more electrical components of the aircraft 1.
  • Such electrical compo ⁇ nent can, for example, the electric motor 140 may be.
  • At least a part EEBl of the electrical energy EEB can therefore the
  • Electric motor 140 are supplied to drive this.
  • Another electrical component may be the battery 160. Possibly.
  • a part EEB2 of the second electrical energy EEB is supplied to the battery 160 and stored there, so that it is available for further applications.
  • the electrical components may also include various other electrical loads 190 of the aircraft and a portion EEB3 of the electrical energy EEB is supplied to these various electrical loads 190 of the aircraft 1 to operate them.
  • Such an electrical load can be, for example, a lighting system 190 of the aircraft 1.
  • de-ionized water H20 As a further educt of the fuel cell 180 or as Reakti ⁇ ons, de-ionized water H20 applies.
  • This deionized water H20 is supplied via a media connection 181 as a cooling medium to the electric motor 140 in order to cool it before it is discharged to the environment.
  • the use of the deionized water as a coolant is advantageous over the use of normal water, especially in the context of an electric motor, because there is always a risk of short circuits when using normal water.
  • the deionized water H20 After the deionized water H20 has passed through the electric motor 140 for cooling and / or the system 191, it can be discharged to the environment in the simplest case.
  • the starting material H20 of the fuel cell 180 can also be used in another on-board system 191 of the vehicle 1, for example, again as coolant for the on-board system and / or as service water.
  • the de-ionized water H20 or at least a part thereof is led to the system 191 via a further media connection 182.
  • the 2 shows a second embodiment of the serial ⁇ hybrid drive system 100.
  • the internal combustion engine 110 is a hydrogen and the turbine to be combusted medium 111 is therefore also in the second embodiment, hydrogen.
  • supplied hydrogen 111 In the hydrogen turbine 110, supplied hydrogen 111 is burned and thus the kineti ⁇ cal energy KEG for driving the HTS generator 120 gewon ⁇ NEN.
  • the temperature of the outside of the tank 170 and in the vicinity of the generator 120 be ⁇ -sensitive hydrogen over time and during loading ⁇ drive of the drive system 100 and the generator 120 as described above in connection with FIG 1 in the second embodiment, anstei ⁇ gene.
  • a predetermined target temperature is exceeded, at least a portion 171-2 of the hydrogen withdrawn in gaseous form to the HTS generator 120.
  • the extracted hydrogen 171-2 is the hydrogen supplied to turbine 110 via a media ⁇ compound 124 as to be incinerated medium 111 for combustion.
  • the hydrogen 111 to be combusted thus corresponds to the hydrogen 171-2 taken from the HTS generator 120 or at least a part thereof.
  • FIG 3 shows a third embodiment in which the Kon ⁇ configurations of the drive system of the first and the second embodiment are combined with each other, ie, a part
  • the control unit 130 is arranged to control the flows of coolant 171-1, 171-2 to the fuel cell 180 and the engine 110 so that optimal performance can be provided depending on the situation.
  • the operation of fuel cell 180 and internal combustion engine 110 correspond to the modes of operation described in connection with FIGS. 1 and 2.
  • the propulsion means 150 can, as already mentioned, be a propeller, for example.
  • the vehicle 1 is a land vehicle propulsion means 150 a wheel would for example..
  • the way of the transfer of kinetic energy from the electric motor 140 to the actual propulsion ⁇ medium 150 is known per se and can, for example. via shafts, axles, gears and / or other suitable means. This is not illustrated in detail in the drawings, as it is not considered to be an essential aspect of the invention and it is believed that it is well known in what manner kinetic energy can be transferred from one component 140 to another component 150.
  • connections 131 of the control unit 130 with the various controllable components of the drive system 100 are merely indicated for the sake of clarity and are not shown in detail. In order to ensure the described operation of the drive ⁇ system, however, the control unit 130 is connected to all components of the drive system in order to influence their operation.
  • the aforementioned media connections 123, 124, 181 can be, for example, pipe connections or hoses with which gaseous or liquid media can be conducted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Fuel Cell (AREA)

Abstract

L'invention concerne un système de propulsion (100) ainsi qu'un procédé de production d'énergie cinétique pour un moyen de propulsion (150) d'un véhicule. Le système de propulsion (100) est réalisé en tant que système hybride série qui comprend un moteur électrique (140) pour l'entraînement du moyen de propulsion (150), un générateur (120) pour la production de l'énergie électrique pour le moteur électrique (140) ainsi qu'un moteur à combustion interne (110) pour la production de l'énergie cinétique pour le fonctionnement du générateur (120). Le générateur (120) est réalisé sous forme de générateur (120) supraconducteur. De l'hydrogène est utilisé en tant que liquide de refroidissement pour le générateur (120). Dès que l'hydrogène dans l'environnement du générateur (120) dépasse une température prédéfinie, il est retiré du générateur (120) à l'état gazeux et est acheminé jusqu'à un dispositif (110, 180) qui traite l'hydrogène de telle sorte qu'une énergie pouvant être utilisée dans le système de propulsion (100) est produite. Le dispositif (110, 180) peut par exemple être une pile à combustible (180) et/ou le moteur à combustion interne (110) réalisé sous forme de turbine à hydrogène.
EP16731551.4A 2015-08-07 2016-06-15 Systeme de propulsion et procédé d'entraînement d'un moyen de propulsion d'un véhicule, en utilisant un refroidissement cryogénique Withdrawn EP3310610A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015215130.1A DE102015215130A1 (de) 2015-08-07 2015-08-07 Antriebssystem und Verfahren zum Antreiben eines Vortriebsmittels eines Fahrzeugs
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