DE19816777A1 - Energy management of multi power source systems - Google Patents
Energy management of multi power source systemsInfo
- Publication number
- DE19816777A1 DE19816777A1 DE19816777A DE19816777A DE19816777A1 DE 19816777 A1 DE19816777 A1 DE 19816777A1 DE 19816777 A DE19816777 A DE 19816777A DE 19816777 A DE19816777 A DE 19816777A DE 19816777 A1 DE19816777 A1 DE 19816777A1
- Authority
- DE
- Germany
- Prior art keywords
- energy
- bus
- components
- interfaces
- control
- 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.)
- Granted
Links
- 239000003990 capacitor Substances 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 4
- 230000001052 transient effect Effects 0.000 claims description 2
- 239000013307 optical fiber Substances 0.000 claims 1
- 230000006870 function Effects 0.000 description 2
- 230000000295 complement effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000000926 separation method Methods 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
-
- 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
- B60L50/30—Electric propulsion with power supplied within the vehicle using propulsion power stored mechanically, e.g. in fly-wheels
-
- 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
-
- 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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
Description
Ein Mehrsystemantrieb besteht mindestens aus zwei verschiedenen Energiequellen zur Erzeugung der Antriebsenergie, die sich in ihrer Antriebsaufgabe ergänzen (Hybrid). Da es sich hierbei überwiegend um die Kombination eines Brennstoffmotors mit einer Elektromaschine handelt, wobei letztere als E-Motor und als E-Generator dienen kann, ergeben sich unterschiedliche Energieflußrichtungen. Kommt ein Akkumulator zur Bereitstellung und Speicherung der elektrischen Energie hinzu, ändern sich auch die Funktionen Energiesenke und Energiequelle einzelner Komponenten. Für die Betrachtung der Richtung der elektrischen Energie ist der Akkumulator im Motorbetrieb der E-Maschine Energiequelle mit dem E-Motor als Energiesenke. Im Generatorbetrieb kehren sich die Funktionen um.A multi-system drive consists of at least two different energy sources Generation of drive energy that complement each other in their drive task (hybrid). Since it is mainly the combination of a fuel engine with an electric machine acts, the latter can serve as an electric motor and as an electric generator, result different directions of energy flow. Comes with an accumulator and In addition to storing electrical energy, the energy sink and functions also change Energy source of individual components. For considering the direction of electrical Energy is the accumulator in the motor operation of the electric machine. Energy source with the electric motor as an energy sink. The functions are reversed in generator mode.
Ein umfangreicher Mehrsystemantrieb besitzt jedoch noch weitere Komponenten, die in ihrer Gesamtheit in der Figur zu sehen sind. Es handelt sich dabei um: Traktionsakku (7), Rotationsspeicher (8) in Form eines Kreisels oder Schwungrades, Traktionskondensator (9), Thermogenerator (10), Solargenerator (11), E-Tankstelle (12), Brennstoffmotor (13), E- Motor/Generator (14), Verbraucher (15) mit Sensorik, Audio, Beleuchtung usw. sowie Pufferakku (16).An extensive multi-system drive has other components, however, which can be seen in their entirety in the figure. These are: traction battery ( 7 ), rotation accumulator ( 8 ) in the form of a gyro or flywheel, traction capacitor ( 9 ), thermogenerator ( 10 ), solar generator ( 11 ), e-filling station ( 12 ), fuel motor ( 13 ), e - Motor / generator ( 14 ), consumer ( 15 ) with sensors, audio, lighting, etc. as well as a buffer battery ( 16 ).
Nach der Betrachtung des dargestellten Mehrsystemantriebes ist einsehbar, daß ein multifaktorielles Zusammenwirken aller Komponenten notwendig ist Unabdingbar für die optimale Ausnutzung der Energie ist ein Energiemanagement, welches Zugriff hat auf jede Systemkomponente. Auf Grund der Tatsache, daß neben den heute bereits vorhandenen mittelfristig weitere Systemkomponenten zur Verfügung stehen werden, die als Energiequelle und Energiesenke arbeiten können, ist die Zusammenfassung über ein Energiemanagement zwingend notwendig.After considering the multi-system drive shown, it can be seen that a multifactorial interaction of all components is essential for the optimal use of energy is energy management, which has access to everyone System component. Due to the fact that in addition to those already in existence today In the medium term, further system components will be available that serve as an energy source and energy sink can work, is the summary of an energy management mandatory.
Mit dem in das in der Figur integrierte Energiemanagement wird diese Aufgabenstellung erfüllt.With the energy management integrated in the figure, this task Fulfills.
Der Vorteil des dargestellten Energiemanagements gegenüber sternförmigen Strukturen ist die module Strukturierung und damit Austauschbarkeit und Universalität. Die Bestandteile des Energiemanagementes sind: Energy Bus EB 1 (1), Energy Bus EB 2 (2), Energy Interfaces EI 1-EI 4 (3), Control Bus CB (4), Local Control LC (5), Zentralrechner (6) sowie Verbraucher (15) mit der Sensorik.The advantage of the presented energy management compared to star-shaped structures is the modular structuring and thus interchangeability and universality. The components of energy management are: Energy Bus EB 1 ( 1 ), Energy Bus EB 2 ( 2 ), Energy Interfaces EI 1-EI 4 ( 3 ), Control Bus CB ( 4 ), Local Control LC ( 5 ), central computer ( 6 ) and consumers ( 15 ) with the sensors.
Der Energy Bus 1 (1) verbindet alle Energy Interfaces EB 1-EB 4 (3) und dient als Transportbus für höhere Energien in beide Richtungen. Er bildet die Spannungsebene 1 mit einem höheren Spannungswert, was die Stromverluste und Leitungsquerschnitte reduziert. Als Spannungsform bietet sich Gleichspannung an, da diese bereits bei den meisten Systemkomponenten vorliegt und bei ihr keine Synchronisation der einzelnen Spannungen für ihre Zusammenfassung auf einem Bus nötig ist.The Energy Bus 1 ( 1 ) connects all Energy Interfaces EB 1-EB 4 ( 3 ) and serves as a transport bus for higher energies in both directions. It forms voltage level 1 with a higher voltage value, which reduces current losses and cable cross sections. DC voltage is a suitable form of voltage since it is already present in most system components and it does not require synchronization of the individual voltages for their combination on a bus.
Der Energy Bus 2 (2) bildet die Spannungsebene 2, die von ihrem Wert unter dem der Spannungsebene 1 liegt. Die Spannungsanpassung sowie Festlegung der Energieflußrichtung zwischen Energy Bus EB 1 (1) und Energy Bus EB 2 (2) übernimmt Energy Interface EI 3 (3). The Energy Bus 2 ( 2 ) forms the voltage level 2 , whose value is below that of the voltage level 1 . Energy interface EI 3 ( 3 ) takes care of the voltage adjustment and determination of the direction of energy flow between Energy Bus EB 1 ( 1 ) and Energy Bus EB 2 ( 2 ).
Die Energy Interfaces EB 1 (3) können bidirektional mit Systemkomponenten zusammenarbeiten. Die Energy Interfaces EB 2 (3) arbeiten nur in eine Richtung mit dem Thermogenerator (10) und dem Solargenerator (11). Energy Interface EB 4 (3) adaptiert die E-Tankstelle (12) an das System, wobei unterschiedliche Tankspannungen an die Spannungsebene 1 angepaßt werden können.The Energy Interfaces EB 1 ( 3 ) can work bidirectionally with system components. The Energy Interfaces EB 2 ( 3 ) only work in one direction with the thermal generator ( 10 ) and the solar generator ( 11 ). Energy Interface EB 4 ( 3 ) adapts the e-filling station ( 12 ) to the system, whereby different tank voltages can be adapted to voltage level 1 .
Der Zentralrechner (6) ist mit allen Systemkomponenten verbunden. Er erhält z. B. über die Local Controls (5) bzw. die Sensorik (15) Informationen über momentane Energiezustände der Komponenten. Je nach Energiebedarf des Fahrzeuges entscheidet der Zentralrechner (6) dann, welche Komponenten zur Energiebereitstellung herangezogen werden, welche also Energiequellen werden. Für den Fall der Energierückspeisung durch den E-Generator (14) wählt er die Komponenten aus, die als Energiesenken geschaltet und damit geladen werden. Thermogenerator (10) und Solargenerator (11) als ständige Energiequellen, vorausgesetzt ihre Funktionsbedingungen sind vorhanden, können zum Fahrzeugantrieb und zum Aufladen verwendet werden.The central computer ( 6 ) is connected to all system components. He receives z. B. via the local controls ( 5 ) or the sensors ( 15 ) information about the current energy status of the components. Depending on the energy requirements of the vehicle, the central computer ( 6 ) then decides which components are used for the energy supply, which therefore become energy sources. In the case of energy recovery by the electric generator ( 14 ), he selects the components that are switched as energy sinks and thus charged. Thermal generator ( 10 ) and solar generator ( 11 ) as permanent energy sources, provided their functional conditions are present, can be used for vehicle propulsion and for charging.
Ein Expertensystem erhält alle im System verfügbaren Daten der Sensorik (15), die mit der Energie in Verbindung stehen. Auf der Basis eines schnellen Control Bus CB (4), über den alle Daten durch den Zentralrechner (6) eingelesen und auch wieder ausgegeben werden, beeinflußt das Expertensystem den Energiefluß auf optimale Weise.An expert system receives all sensor data ( 15 ) available in the system that are related to the energy. On the basis of a fast control bus CB ( 4 ), via which all data is read in and output by the central computer ( 6 ), the expert system influences the energy flow in an optimal way.
Das Energiemanagement erfüllt mehrere Aufgaben. Es übernimmt die ständige Ermittlung der Energiezustände bzw. des Energiebedarfs der einzelnen Komponenten und die Ermittlung der Komponenten, die als nächste belastet werden können oder aufgeladen werden müssen. Das Energiemanagement muß also festlegen, welche Komponente Energiequelle bzw. Energiesenke wird und damit die Energieflußrichtung festlegen. Das Energiemanagement hat die Spannungsanpassung der einzelnen Komponenten untereinander zu übernehmen. Es hat nichtbenötigte oder nichteinsatzbereite Komponenten vom System zu trennen, wenn zu dem entsprechenden Zeitpunkt keine Regenerationsmöglichkeit für diese besteht. Das Energiemanagement hat Überlastungen, Stromspitzen und transiente Überspannungen im System zu vermeiden. Es hat sicherzustellen, daß neben dem Fahrbetrieb auch solche Betriebszustände wie Anlassen, Ladung über E-Tankstelle (12) oder Crash-Sicherheits- Trennung realisiert werden können. Es ist so auszulegen, daß die Anzahl der Komponenten variabel ist, so daß in den Mehrsystemantrieb Komponenten hinzugefügt oder entfernt werden können. Es hat den Einsatz für unterschiedliche Leistungsklassen des Antriebes zu realisieren.Energy management fulfills several tasks. It takes over the constant determination of the energy states or the energy requirements of the individual components and the determination of the components that can be loaded next or have to be charged. The energy management must therefore determine which component becomes the energy source or sink and thus determine the direction of energy flow. The energy management has to take over the voltage adjustment of the individual components. It must separate unnecessary or non-operational components from the system if there is no possibility of regeneration for them at the appropriate time. The energy management has to avoid overloads, current peaks and transient overvoltages in the system. It must ensure that, in addition to driving, operating conditions such as starting, charging via an e-filling station ( 12 ) or crash safety separation can also be realized. It must be designed so that the number of components is variable so that components can be added or removed in the multi-system drive. It has to be used for different power classes of the drive.
Aus der klaren Struktur des Energiemanagementes sind die Aufgaben der Komponenten überschaubar. Zu erkennen ist eine leichte Anpaßbarkeit für unterschiedliche Einsatzzwecke. Vorstellbar ist die Modulform der Software, die zuläßt, Systemkomponenten mit den dazugehörigen Energy Interfaces (3) bei Bedarf zu ergänzen. Somit wird auch eine große Einsatzbreite ermöglicht.The tasks of the components are clear from the clear structure of the energy management. You can see an easy adaptability for different purposes. The module form of the software is conceivable, which allows system components with the associated energy interfaces ( 3 ) to be added if required. This enables a wide range of applications.
Auch Energieversorgungsstationen sind mit diesem Management denkbar. So lassen sich z. B. Windgeneratoren über ein Energy Interface EI 1 (3) einkoppeln, die neben Thermogenerator (10) und Solargenerator (11) auf einen gemeinsamen Energy Bus EB 1 (1) arbeiten und durch Speicherelemente bei Lastspitzen unterstützt werden. Energy supply stations are also conceivable with this management. So z. B. Wind generators via an Energy Interface EI 1 ( 3 ), which work in addition to the thermal generator ( 10 ) and solar generator ( 11 ) on a common Energy Bus EB 1 ( 1 ) and are supported by storage elements during peak loads.
11
Energy Bus EB Energy Bus EB
11
22nd
Energy Bus EB Energy Bus EB
22nd
33rd
Energy Interfaces EI 1-EI Energy interfaces EI 1-EI
44th
44th
Control Bus CB
Control bus CB
55
Local Control LC
Local Control LC
66
Zentralrechner
Central computer
77
Traktionsakku
Traction battery
88th
Rotationsspeicher
Rotation memory
99
Traktionskondensator
Traction capacitor
1010th
Thermogenerator
Thermogenerator
1111
Solargenerator
Solar generator
1212th
E-Tankstelle
E-gas station
1313
Brennstoffmotor
Fuel engine
1414
E-Motor/Generator
Electric motor / generator
1515
Verbraucher
consumer
1616
Pufferakku
Buffer battery
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19816777A DE19816777C2 (en) | 1998-04-16 | 1998-04-16 | Energy management system for multi-component drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19816777A DE19816777C2 (en) | 1998-04-16 | 1998-04-16 | Energy management system for multi-component drive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE19816777A1 true DE19816777A1 (en) | 1999-10-21 |
| DE19816777C2 DE19816777C2 (en) | 2002-09-12 |
Family
ID=7864656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19816777A Expired - Fee Related DE19816777C2 (en) | 1998-04-16 | 1998-04-16 | Energy management system for multi-component drive |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE19816777C2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10003605A1 (en) * | 2000-01-28 | 2001-08-02 | Volkswagen Ag | Buffer device |
| DE10159925A1 (en) * | 2001-12-06 | 2003-08-14 | Inst Maschinen Antriebe Und El | Monitoring switching element e.g. for automation engineering and vehicle technology, receives external data e.g. evaluation data and control commands for the element controller |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3842632A1 (en) * | 1988-12-17 | 1990-06-21 | Man Nutzfahrzeuge Ag | HYBRID DRIVE DEVICE FOR MOTOR VEHICLES |
-
1998
- 1998-04-16 DE DE19816777A patent/DE19816777C2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10003605A1 (en) * | 2000-01-28 | 2001-08-02 | Volkswagen Ag | Buffer device |
| DE10159925A1 (en) * | 2001-12-06 | 2003-08-14 | Inst Maschinen Antriebe Und El | Monitoring switching element e.g. for automation engineering and vehicle technology, receives external data e.g. evaluation data and control commands for the element controller |
| DE10159925C2 (en) * | 2001-12-06 | 2003-12-04 | Inst Maschinen Antriebe Und El | Monitoring switching element |
Also Published As
| Publication number | Publication date |
|---|---|
| DE19816777C2 (en) | 2002-09-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8122 | Nonbinding interest in granting licences declared | ||
| 8125 | Change of the main classification |
Ipc: B60K 6/02 |
|
| 8125 | Change of the main classification |
Ipc: B60K 6/00 |
|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8327 | Change in the person/name/address of the patent owner |
Owner name: BRUNEL IMG GMBH, 99734 NORDHAUSEN, DE |
|
| R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |
Effective date: 20121101 |