EP2640592A1 - Current generation unit for extending the range of an electric vehicle - Google Patents
Current generation unit for extending the range of an electric vehicleInfo
- Publication number
- EP2640592A1 EP2640592A1 EP11784660.0A EP11784660A EP2640592A1 EP 2640592 A1 EP2640592 A1 EP 2640592A1 EP 11784660 A EP11784660 A EP 11784660A EP 2640592 A1 EP2640592 A1 EP 2640592A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- electric machine
- cooling
- internal combustion
- combustion engine
- cooling channel
- 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.)
- Ceased
Links
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/46—Series type
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- 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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0061—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to electrical machines
-
- 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
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
- B60L50/62—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles charged by low-power generators primarily intended to support the batteries, e.g. range extenders
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
- H02J7/1415—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle with a generator driven by a prime mover other than the motor of a vehicle
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1815—Rotary generators structurally associated with reciprocating piston engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/26—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
- B60K2006/266—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators with two coaxial motors or generators
-
- 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
- B60L2220/00—Electrical machine types; Structures or applications thereof
- B60L2220/10—Electrical machine types
- B60L2220/14—Synchronous machines
-
- 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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/36—Temperature of vehicle components or parts
-
- 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
- Y02T10/62—Hybrid vehicles
-
- 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
- Y02T10/64—Electric machine technologies in electromobility
-
- 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
Definitions
- the invention relates to a power generator, in particular for range expansion of an electric vehicle, arranged with at least one shaft with the internal combustion engine, preferably permanent magnet excited first electric machine, preferably internal combustion engine and electric machine are formed as a unit and having a common housing.
- the internal combustion engine preferably permanent magnet excited first electric machine, preferably internal combustion engine and electric machine are formed as a unit and having a common housing.
- the AT 505 950 Bl describes a power generating unit for range expansion of an electric vehicle, with a rotary piston internal combustion engine and a generator which is arranged coaxially with the output shaft of the internal combustion engine.
- the internal combustion engine and the generator are designed as a unit and have a common cooling system.
- the cooling water passes from a coolant pump into the water chambers of the generator and the internal combustion engine and is then fed to the air / water heat exchangers.
- the cooling channels of the generator and the internal combustion engine are connected directly to each other without separate lines.
- the housing has a central housing part, which is bounded on both sides by lateral housing parts, wherein a bearing for the eccentric shaft of the internal combustion engine is arranged in the lateral housing parts.
- On the generator side housing parts encloses a housing part of the generator and a final lid this part.
- the housing part of the generator and the cover part together span a cavity in which the stator and the rotor of the generator is arranged.
- additional balancing masses are required, wherein a first balancing mass is arranged on the rotor of the generator. Another balancing mass is provided at the generator end facing away from the drive shaft.
- a power generator for a vehicle wherein a drive motor via a transmission drives a shaft on which an electric motor and on both sides of the electric motor in each case a connected to an electrical energy storage generator is arranged.
- the US 2008/0 231 144 AI shows a power generator, which has an internal combustion engine with a generator and a starter motor, wherein generator and starter motor are arranged on different sides of the internal combustion engine.
- DE 199 53 864 AI discloses a hybrid vehicle with an internal combustion engine having a first and a second engine, which are arranged on different sides of the internal combustion engine. The first motor is used to start the engine and generate electric power, while the second motor is used to drive the driving wheels of the vehicle and generate regenerative power using the braking operation of the vehicle. Each motor is connected to an inverter.
- the object of the invention is to provide a compact power generator in the simplest possible way.
- this is achieved in that on a side facing away from the first electric machine side of the internal combustion engine, a preferably permanent magnet second electric machine is arranged wave-like with the internal combustion engine, wherein preferably the first and the second electric machine are rotatably connected to the engine rotationally connected.
- the internal combustion engine can be designed as a rotary piston internal combustion engine and have at least one circulating in a chamber rotary piston.
- first and the second electric machine are arranged symmetrically with respect to a center plane of the internal combustion engine, wherein the center plane can be formed normally on the drive shaft of the internal combustion engine.
- the production costs can be minimized if the first and the second electrical machine are constructed substantially identical.
- the second electric machine is designed differently from the first electric machine and dimensioned for other powers.
- a complete mass balance can be achieved if a first balancing mass on the rotor of the first electric machine and a second balancing mass on the rotor of the second electric machine is arranged, wherein preferably at least one of the two balancing masses is formed integrally with the respective rotor.
- the use of two electric machines instead of one has the advantage that the rotor and stator diameter can be reduced, which has an advantageous effect on the installation dimensions of the power generator.
- the two electrical machines are preferably arranged in a common housing with the internal combustion engine.
- Simple production and assembly can be achieved if the first electric machine in a first housing part directly or indirectly adjoining a first end face of a central housing part and the second electric machine in a side second housing part which directly or indirectly adjoins a second end face of the central housing part is arranged, wherein each housing part is closed by a cover part.
- an electro-side first cooling channel arrangement and for cooling the second electric machine arranged in the lateral second housing part electro-side second cooling channel arrangement wherein the electro-side cooling channel arrangements are fluidly connected to at least one cooling channel arrangement for cooling the internal combustion engine and a belong to a single cooling system. It is particularly advantageous for setting the best operating temperatures of the electric machines, it is when at least one of the two electro-side cooling channel arrangements, preferably both electro-side cooling channel arrangements, upstream of at least one cooling channel arrangement for cooling the internal combustion engine are arranged, preferably the electro-side first cooling channel arrangement and the electro-side second cooling channel arrangement in parallel are connected in the cooling circuit of the cooling system.
- At least one of the two electro-side cooling channel arrangements are arranged downstream of at least one cooling channel arrangement for cooling the internal combustion engine, wherein preferably the electro-side first cooling channel arrangement and the electro-side second cooling channel arrangement are connected in parallel in the cooling circuit of the cooling system ,
- the power electronics are arranged within the housing and of at least one elektroseiti- gene cooling channel arrangement is cooled.
- the power electronics may be arranged in the cooling circuit upstream of at least one electric machine, wherein preferably the power electronics is arranged in a cover part or a lateral housing part.
- the size of the power generator can be kept as small as possible.
- the two electric machine (14, 114) are electrically out of phase, wherein preferably the phase offset is 30 °. This has an advantageous effect on the ripple in the rectification.
- FIGS. show schematically:
- FIG. 1 shows an inventive power generation unit in a longitudinal section.
- FIG. 2 shows a cooling circuit of a power generator according to the invention in a first embodiment
- Fig. 1 shows a power generation device 40 (range extender), in particular for range expansion of an electric vehicle, wherein in a housing 2, a rotary piston internal combustion engine 1 and a for example permanent magnet excited first electric machine 14 is arranged.
- the housing 2 has a chamber 3, in which a rotary piston 4 along a trochoidenförmigen running surface 5 of the housing 2 is arranged circumferentially.
- the chamber 3 is formed by the trochoidal tread 5 and by lateral treads 6, 7.
- the housing 2 has a trochoidal tread 5 forming the central housing part 2a, a lateral first housing part 2b and a lateral second housing part 2c. Furthermore, that can Housing 2 between the central housing part 2 a and the lateral first housing part 2 b and / or the lateral second housing part 2 c, a side tread 6 and 7 respectively forming the first and second side surface side plate 8, 9 have.
- first and second housing part 2b, 2c is arranged in an inner housing space 15, driven by the rotary piston 4 formed by an eccentric shaft 10 drive shaft rotatably mounted, for example, designed as a rolling bearing 11, 12. Equal with the eccentric shaft 10, the first rotor 13 of the arranged in the same housing 2 first electric machine 14 is formed.
- the first bearing housing 11 receiving lateral first housing part 2b has a bell-shaped, cylindrical jacket portion 2b ', which spans a substantially cylindrical interior 15a, in which the first rotor 13, and the first stator 14a of the first electric machine 14 is arranged.
- the cylindrical interior 15a is closed by a first cover part 2d adjoining the first housing part 2b.
- a permanent magnet second electric machine 114 is disposed in a cylindrical inner space 115a, which is spanned by a bell-shaped cylindrical shell portion 102b 'of the second housing part 2c.
- the rotor of the second electric machine 114 is denoted by 113 and the stator of the second electric machine by 114a.
- the cylindrical inner space 115a is closed by a second cover part 2f adjoining the second housing part 2c.
- a balancing mass 13a, 113a is arranged on the rotor 13, 113 of each electric machine 14, 114, wherein the balancing masses 13a, 113a can be formed integrally with the rotors 13, 113.
- first electric machine 14 and the second electric machine 114 in the cooling circuit 50a of the cooling system 50 are flowed through in parallel, as shown in Fig. 2.
- Reference numeral 39 denotes an air / water heat exchanger and reference numeral denotes an electric water pump.
- coolant connections 59, 159 are provided in the two cover parts 2d, 2f or in the first or second housing part 2b, 2c.
- a common power electronics 41 In order to save components and space can be provided for both electric machines 14, 114 a common power electronics 41. It is particularly advantageous if the entire power electronics 41 of the first and the second electric machines 14, 114 can be integrated in the cylindrical interior 15a or 115a, or in the cover part 2d and / or 2f. As a result, all AC lines can be accommodated within the housing 2, whereby the electromagnetic compatibility can be substantially increased. From the power generator 40 thus lead only more DC cables to the outside - the number of connections can thus be reduced to a minimum.
- An annular, electro-side first cooling channel arrangement 51 around the first electric machine 14 and possibly around the power electronics 41 may be partially formed by the first housing part 2b and the first cover part 2d.
- An annular electric-side second cooling channel arrangement 151 is formed by the second housing part 2c and possibly also by the second cover part 2f.
- the electro-side first cooling channel arrangement 51 in the first housing part 2b (possibly also in the cover part 2d) is provided with a first piston-side coolant arrangement in the lateral first housing part 2b and the central coolant arrangement 53 in the central housing part 2a and a second piston-side coolant arrangement 54 in the lateral second housing part 2c, as well as a elec- trosse second cooling channel assembly 151 in the lateral second housing part 2c - without external lines and directly within the housing 2 - fluidly connected.
- the coolant passes, for example, parallel into the two electrical-side coolant assemblies 51, 151 and flows from there via the piston-side coolant assemblies 52 and 54 into the central coolant assembly 53 of the central housing part 2a.
- the coolant outflow can take place from the central housing part 2 a, the lateral first housing part 2 d and / or from the lateral second housing part 2 c.
- the corrugated arrangement of two electric machines 14, 114 with rigid - ie without clutches - with rotors 13, 113 connected to the eccentric shaft 10 of the co-independent power-driven machine 1 permits high powers with relatively small stator diameters.
- the integration of the compensation masses 13a, 113a in the rotors 13, 113 a low vibration operation of the electricity generation ⁇ supply unit 1 is enabled.
- Fig. 4 schematically shows a power generator 40 having a groove formed as a piston ⁇ internal combustion engine 1 internal combustion engine, wherein a first elec ⁇ tric machine 14 and a second electrical machine 114 are arranged wave rectified and on the same side of the internal combustion engine.
- the first electric machine 14 and the second electric machine 114 are driven by a common power electronics 41.
- the Kolbenbrennkraftma ⁇ machine 1, the two electric machines 14, 114 and the power electronics 41 can be arranged in a common housing 2.
- the two electric machines 14, 114 may be of identical design, whereby - by appropriate axial arrangement next to each other on the shaft 10 - a flexible modular structure for various requirements and performance requirements can be realized.
- different power units can be assembled in a cost effective and simple manner. It is possible - within a maximum possible number of electrical machines - to use a power electronics concept for different numbers of electrical machines.
- FIG. 5 shows the three-phase current systems of the first electric machine 14 and the second electric machine 114 offset by 30 °, the voltages of the first electric machine 14 being uUl, uVl, uWl and the voltages of the second electric machine 114 being uUl, uVl, uWl are designated.
- a series connection of the two electrical machines 14, 114 or a parallel connection of the two stator windings 14a, 114a via limiting chokes with a tap is favorable. It is also possible to switch one of the two electrical machines in star and the other in a triangle, which would also be an electrical phase offset of 30 ° possible. In this case, an intermediate capacitor could be made smaller or - after rectification - a lower ripple on the DC cables can be obtained.
- 6 shows an example of rectified voltages Ui, U 2 for the two three-phase systems.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ATA1917/2010A AT510743B1 (en) | 2010-11-18 | 2010-11-18 | POWER GENERATION UNIT |
PCT/EP2011/070343 WO2012066074A1 (en) | 2010-11-18 | 2011-11-17 | Current generation unit for extending the range of an electric vehicle |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2640592A1 true EP2640592A1 (en) | 2013-09-25 |
Family
ID=44993569
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11784660.0A Ceased EP2640592A1 (en) | 2010-11-18 | 2011-11-17 | Current generation unit for extending the range of an electric vehicle |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP2640592A1 (en) |
CN (1) | CN103221252A (en) |
AT (1) | AT510743B1 (en) |
WO (1) | WO2012066074A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2886387A3 (en) | 2013-12-23 | 2015-12-23 | Rolls-Royce Corporation | Dual redundant motor/generator for an engine |
Citations (2)
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DE4332378A1 (en) * | 1993-09-23 | 1995-03-30 | Kurt Fritzsche | Electricity generators having an integrated internal combustion engine drive system |
CN101700737A (en) * | 2009-10-12 | 2010-05-05 | 力帆实业(集团)股份有限公司 | Generator control system of range-extended electric car |
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CN102369117A (en) * | 2009-02-05 | 2012-03-07 | Avl里斯脱有限公司 | Power generation apparatus |
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2010
- 2010-11-18 AT ATA1917/2010A patent/AT510743B1/en not_active IP Right Cessation
-
2011
- 2011-11-17 EP EP11784660.0A patent/EP2640592A1/en not_active Ceased
- 2011-11-17 WO PCT/EP2011/070343 patent/WO2012066074A1/en active Application Filing
- 2011-11-17 CN CN2011800555461A patent/CN103221252A/en active Pending
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DE4332378A1 (en) * | 1993-09-23 | 1995-03-30 | Kurt Fritzsche | Electricity generators having an integrated internal combustion engine drive system |
CN101700737A (en) * | 2009-10-12 | 2010-05-05 | 力帆实业(集团)股份有限公司 | Generator control system of range-extended electric car |
Non-Patent Citations (1)
Title |
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See also references of WO2012066074A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN103221252A (en) | 2013-07-24 |
WO2012066074A1 (en) | 2012-05-24 |
AT510743A1 (en) | 2012-06-15 |
AT510743B1 (en) | 2013-10-15 |
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