CA2993384C - Ship or power plant voltage supply system - Google Patents

Ship or power plant voltage supply system

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Publication number
CA2993384C
CA2993384C CA2993384A CA2993384A CA2993384C CA 2993384 C CA2993384 C CA 2993384C CA 2993384 A CA2993384 A CA 2993384A CA 2993384 A CA2993384 A CA 2993384A CA 2993384 C CA2993384 C CA 2993384C
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CA
Canada
Prior art keywords
traction battery
electric
automotive
battery module
voltage
Prior art date
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Active
Application number
CA2993384A
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French (fr)
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CA2993384A1 (en
Inventor
Alexander Knafl
Gunnar Stiesch
Bernd Friedrich
Original Assignee
Everllence SE
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Application filed by Everllence SE filed Critical Everllence SE
Publication of CA2993384A1 publication Critical patent/CA2993384A1/en
Application granted granted Critical
Publication of CA2993384C publication Critical patent/CA2993384C/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
    • 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
    • B60L1/00—Supplying electric power to auxiliary equipment of vehicles
    • 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
    • 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
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B60L58/21—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having the same nominal voltage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63H—MARINE PROPULSION OR STEERING
    • B63H21/00—Use of propulsion power plant or units on vessels
    • B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
    • B63H21/17—Use of propulsion power plant or units on vessels the vessels being motor-driven by electric motor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H01M10/441—Methods for charging or discharging for several batteries or cells simultaneously or sequentially
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J1/00—Circuit arrangements for DC mains or DC distribution networks
    • H02J1/10—Parallel operation of DC sources
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J11/00—Circuit arrangements for providing service supply to auxiliaries of stations in which electric power is generated, distributed or converted
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other DC sources, e.g. providing buffering
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/50—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries acting upon multiple batteries simultaneously or sequentially
    • 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
    • B60L2200/32—Waterborne vessels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63J—AUXILIARIES ON VESSELS
    • B63J3/00—Driving of auxiliaries
    • B63J3/02—Driving of auxiliaries from propulsion power plant
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M2010/4278—Systems for data transfer from batteries, e.g. transfer of battery parameters to a controller, data transferred between battery controller and main controller
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2105/00—Networks for supplying or distributing electric power characterised by their spatial reach or by the load
    • H02J2105/30—Networks for supplying or distributing electric power characterised by their spatial reach or by the load the load networks being external to vehicles, i.e. exchanging power with vehicles
    • H02J2105/31—Networks for supplying or distributing electric power characterised by their spatial reach or by the load the load networks being external to vehicles, i.e. exchanging power with vehicles for ships or vessels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using 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
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Transportation (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Ocean & Marine Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

A ship voltage supply system for supplying an electric consumer of a ship with an electric target voltage and an electric target energy, with a plurality of automotive traction battery modules, wherein each automotive traction battery module has an electric actual voltage and an electric actual energy, wherein the automotive traction battery modules are interconnected dependent on the electric target voltage, the electric actual voltage, the electric target energy and the electric actual energy in series connections to form a plurality of traction battery module subgroups and/or in a parallel connection to form at least one traction battery module group.

Description

SHIP OR POWER PLANT VOLTAGE SUPPLY SYSTEM
TECHNOLOGICAL FIELD
The invention relates to a ship voltage supply system or power plant voltage supply system.
BACKGROUND
Electric drives for example for hybridising the drive system play an ever more prominent role also on ships.
For operating electric consumers of a ship such as for example for operating electric machines which serve for driving the ship, electric ship voltage supply systems are needed in order to supply the electric machine or the electric consumer with an adequate electric voltage or adequate electric energy. There is a need for a ship voltage supply system which with little expenditure and accordingly with low costs can provide an electric consumer of a ship with a desired electric target voltage and a desired electric target energy.
Comparable requirements also exist in stationary applications in power plants. Starting out from this, the invention is based on the object of creating a new type of ship or power plant voltage supply system.
SUMMARY
This object is solved through a ship voltage supply system that comprises a plurality of automotive traction battery modules, wherein each automotive traction battery module has an electric actual voltage and an electric actual energy. Dependent on the electric target voltage, the electric actual voltage, the electric target energy and the electric actual energy the plurality of automotive traction battery modules are interconnected in series connections to CA2993384 2018-01-29 - 2 - form a plurality of traction battery module sub-groups and/or in a parallel connection to form at least one traction battery module group.
With the present invention it is proposed to utilise automotive traction battery modules in a ship voltage supply system, which automotive traction battery modules are known from automotive applications in the motor vehicle sector. However, since such automotive traction battery modules deviate with respect to their electric actual voltage and/or electric actual energy from the target voltage and/or the target energy of the electric consumer of the ship, the invention proposes a defined interconnection of the automotive traction battery modules. The invention makes it possible with little expenditure using automotive traction battery modules to provide a ship voltage supply system which supplies an electric consumer of the ship, for example an electric machine serving to drive the ship, with a desired electric target voltage and electric target energy.
In particular when the electric actual voltage of the automotive traction battery modules corresponds to the electric target voltage of the electric consumer, a plurality of automotive traction battery modules are connected in parallel to form at least one traction battery module group. In particular when the electric actual voltage of the automotive traction battery modules is smaller than the electric target voltage of the electric consumer, a plurality of automotive traction battery modules are connected in series to form a traction battery module subgroup and a plurality of traction battery module subgroups connected in parallel to form at least one traction battery module group. Such an electrical interconnection of the automotive traction battery modules is preferred in CA2993384 2018-01-29 - 3 - order to supply the electric consumer of the ship with the electric target voltage and electric target energy.
Preferentially, the automotive traction battery modules are activatable via an automotive CAN bus system. By way of this, an activation of the automotive traction battery modules can take place with little effort and use of automotive CAN bus systems. Because of this, a simple and cost-effective ship voltage supply system can be provided.
According to a further development, the ship voltage supply system comprises a plurality of traction battery module groups which are electrically connected in parallel, wherein the number of the automotive traction battery modules for each traction battery module group is dependent on the control signal capacity of the automotive CAN bus system, wherein the automotive traction battery modules of each traction battery module group in each case are connected to a group- individual automotive CAN bus system, wherein the number of the traction battery module groups is dependent on the electric target energy of the electric consumer and wherein the group individual automotive CANbus systems are connected to a higher-level control device. This further development is particularly preferred in order to provide a ship voltage supply system using automotive traction battery modules and automotive CAN bus system, which provides an electric consumer of the ship with the desired electric target voltage and electric target energy.
The power plant voltage supply system according to the invention is further defined herein.
Preferred further developments of the invention are obtained from the following description.
BRIEF DESCRIPTION OF THE DRAWINGS
Exemplary embodiments of the invention are explained in more detail by way of the drawings without being restricted to this. There it shows:
Fig. 1 a first ship voltage supply system according to the invention and Fig. 2 a second ship voltage supply system according to the invention.
DETAILED DESCRIPTION
The invention relates to a ship voltage supply system for supplying an electric consumer of a ship with an electric target voltage and an electric target energy.
The invention also relates to a power plant voltage supply system for supplying an electric consumer of a power plant with an electric target voltage and an electric target energy. In the following, the invention is described making reference to ship voltage supply systems. However, the invention also applies to power plant voltage supply systems.
The ship voltage supply system 10 comprises a plurality of automotive traction battery modules 11, wherein each automotive traction battery module 11 has or provides an electric actual voltage and an electric actual energy.
The automotive traction battery modules 11 are interconnected dependent on the electric target voltage, the electric actual voltage, the electric target energy and the electric actual energy to form a CA2993384 2018-01-29 - 5 - plurality of traction battery module subgroups in series connections and/or to form at least one traction battery module group in a parallel connection.
Fig. 1 shows a first exemplary embodiment of a ship voltage supply system 10 according to the invention with a plurality of automotive traction battery modules 11, wherein in Fig. 1 five such automotive traction battery modules 11 are exemplarily shown. All automotive traction battery modules 11 are interconnected in the sense of parallel connections to form at least one traction battery module group, namely in Fig. 1 two traction battery module groups 12a, 12b, wherein the traction battery module group 12a in Fig. 1 comprises three automotive traction battery modules 11 and the traction battery module group 12b two automotive traction battery modules 11.
In Fig. 1, it is not only the automotive traction battery modules 11 of the respective traction battery module group 12a, 12b that are each connected parallel to one another, but the traction battery module groups 12a, 12b are also connected parallel to one another so that all automotive traction battery modules 11 of the traction battery module groups 12a, 12b are connected in the sense of a parallel connection to a common voltage supply line 18, via which the at least one electric consumer of the ship, in particular an electric machine serving as drive source, can be supplied with the desired target voltage and the desired target energy.
In Fig. 1, the actual voltage of the automotive traction battery modules 11 corresponds to the electric target voltage of the electric consumer, the number of the automotive traction battery modules 11 CA2993384 2018-01-29 - 6 - interconnected in parallel depends on the desired electric target energy.
Activation of the automotive traction battery modules 11 is effected via automotive CAN bus systems. Such automotive CAN bus systems have a limited control signal capacity. For this reason, the automotive traction battery modules 11 of each traction battery module group 12a, 12b are each activated via a group- individual automotive CAN bus system 13a, 13b, namely the automotive traction battery modules 11 of the traction battery module group 12a via the automotive CANbus system 13a and the automotive traction battery modules 11 of the traction battery module group 12b via the automotive CAN bus system 13b. Thus controllers 14a, 14b coordinate the transmission of the control signals via the respective automotive CAN bus system 13a, 13b, wherein the automotive CAN bus systems 13a, 13b or the bus controllers 14a, 14b are connected to a higher-level bus system 15 in order to exchange data with a higher-level control device via this higher- level bus system 15.
Afurther ship voltage supply system 10 according to the invention is shown by Fig. 2. In the case of the ship voltage supply system 10 of Fig. 2, a total of 12 automotive traction battery modules 11 are present, wherein in each case four of the automotive traction battery modules 11 are interconnected to form a traction battery module group 12a, 12b, 12c. Within each traction battery module group 12a, 12b and 12c, two of the four automotive traction battery modules 11 are each interconnected in the sense of a series connection to form traction battery module subgroups 17a, 17b and 17c, wherein the traction battery module subgroups 17a, 17b and 17c are interconnected in the CA2993384 2018-01-29 - 7 - sense of a parallel connection to form the respective traction battery module group 12a, 12b and 12c.
Accordingly, the electric actual voltage of the automotive traction battery modules 11 is smaller in Fig. 2 than the electric target voltage of the electric consumer of the ship, wherein the number of the automotive traction battery modules lla which are interconnected in series and interconnected to form a traction battery module subgroup 17a, 17b and 17c is dependent on the ratio of the actual voltage to the target voltage.
The number of the traction battery module groups 12a, 12b, 12c is dependent on the ratio of the actual energy to the needed target energy. The traction battery module groups 12a, 12b, 12c which are connected in parallel are connected to a common voltage supply line 18.
Agroup-individual automotive CAN bus system 13a, 13b and 13c again interacts with each traction battery module group 12a, 12b, 12c, wherein in this respect bus controllers 14a, 14b, 14c are coupled to a higher-level bus system 15 in order to communicate with the higher- level control device 16. The number of the automotive traction battery modules 11 of each traction battery module group 12a, 12b, 12c again depends on the control signal capacity of the automotive CAN bus system.
Using known and available automotive traction battery modules 11 and known and available automotive CAN bus systems 13, 15, the invention allows building-up an electric ship voltage supply system 10 in order to supply at least one electric consumer of a ship with a desired electric target voltage and a desired electric target energy, so that the ship voltage supply system CA2993384 2018-01-29 -8- can be build-up cost-effectively and reliably using assemblies known per se. The electric actual energy of known automotive traction battery modules 11 is between 10 kWh and 100 kWh, in particular in the order of magnitude of 20 kWh. The electric target energy of the electric consumer of the ship is typically greater than 1,000 kWh, typically of the order of magnitude of a plurality of MWh.
With the parallel arrangements of the automotive traction battery modules 11 (see Fig. 1) and with the parallel arrangements of automotive traction battery modules 11 connected in series or with the parallel arrangements of traction battery module subgroups 17 (see Fig. 2), a very high redundancy materialises.
Should a defect occur in an automotive traction battery module 11 and the same has to be switched off for protection as a consequence, the electric voltage supply can still be maintained. With a correspondingly large number of parallel or automotive traction battery modules 11 or parallel traction battery module subgroups 17, a power or energy deficit is low. Such a defect case is detected via the automotive CAN bus system. The failure of automotive traction battery modules 11 is correspondingly signalled to a higher- level guidance system.
REFERENCE LIST
Ship voltage supply system 11 Automotive traction battery module 12a Traction battery module group 12b Traction battery module group 12c Traction battery module group 13a Automotive CAN bus system 13b Automotive CAN bus system 13c Automotive CAN bus system 14a Bus controller 14b Bus controller 14c Bus controller Bus system 16 Control device 17a Traction battery module subgroup 17b Traction battery module subgroups 17c Traction battery module subgroups 18 Voltage supply line

Claims (10)

- 10 - CLAIMS
1. A ship voltage supply system for supplying an electric consumer of a ship with an electric target voltage and an electric target energy, comprising: a plurality of automotive traction battery modules, wherein each automotive traction battery module has an electric actual voltage and an electric actual energy, wherein the plurality of automotive traction battery modules are interconnected based at least in part on the electric target voltage, the electric actual voltage, the electric target energy, and the electric actual energy; an automotive CAN bus system; and a controller coupled to each of the plurality of automotive traction battery modules via the automotive CAN bus system and configured to: switch off a defective automotive traction battery module and, based at least in part on the electric target voltage, the electric actual voltage, the electric target energy, and the electric actual energy, activate the plurality of automotive traction battery modules to be interconnected at least one of: in a series connection to form a plurality of traction battery module subgroups; and Date Recue/Date Received 2023-11-29 - 11 - in a parallel connection to form at least one traction battery module group.
2. The ship voltage supply system according to claim 1, wherein when the electric actual voltage of the automotive traction battery modules corresponds to the electric target voltage of the electric consumer, the plurality of automotive traction battery modules are connected in parallel to form the at least one traction battery module group.
3. The ship voltage supply system according to claim 1 or 2, wherein when the electric actual voltage of the plurality of automotive traction battery modules is smaller than the electric target voltage of the electric consumer, the plurality of automotive traction battery modules are connected in series to form each traction battery module subgroup and the plurality of traction battery module subgroups are connected in parallel to form the at least one traction battery module group.
4. The ship voltage supply system according to any one of claims 1 to 3, wherein each automotive traction battery module is configured to be activated by the automotive CAN bus system.
5. The ship voltage supply system according to claim 4, wherein a number of the automotive traction battery modules of each traction battery module group is based at least in part on a control signal capacity of the automotive CAN bus system.
6. The ship voltage supply system according to claim 4 or 5, wherein a plurality of traction battery Date Recue/Date Received 2023-11-29 - 12 - module groups are electrically connected in parallel, wherein a number of the automotive traction battery modules of each traction battery module group is based at least in part on a control signal capacity of the automotive CAN bus system, wherein the plurality of automotive traction battery modules of each traction battery module group are each connected to a group-individual automotive CAN bus system, wherein the number of traction battery module groups is based at least in part on the electric target energy of the electric consumer, wherein the group-individual automotive CAN bus systems are connected to a higher-level control device.
7. The ship voltage supply system according to any one of claims 1 to 6, wherein the actual energy of each automotive traction battery module is between to 100 kWh, and wherein the electric target energy of the electrical consumer is greater than 1,000 kWh.
8. A power plant voltage supply system configured to supply an electric consumer of a power plant with an electric target voltage and an electric target energy, comprising: a plurality of automotive traction battery modules, wherein each automotive traction battery module has an electric actual voltage and an Date Recue/Date Received 2023-11-29 - 13 - electric actual energy, and wherein the plurality of automotive traction battery modules are interconnected based at least in part on the electric target voltage, the electric actual voltage, the electric target energy, and the electric actual energy; an automotive CAN bus system; and a controller coupled to each of the plurality of automotive traction battery modules via the automotive CAN bus system and configured to: switch off a defective automotive traction battery module and, based at least in part on the electric target voltage, the electric actual voltage, the electric target energy, and the electric actual energy, activate the plurality of automotive traction battery modules to be interconnected at least one of: in a series connection to form a plurality of traction battery module subgroups; and in a parallel connection to form at least one traction battery module group.
9. The power plant voltage supply system according to claim 8, wherein when the electric actual voltage of the plurality of automotive traction battery modules corresponds to the electric target voltage of the electric consumer, the plurality of automotive traction battery modules are connected Date Recue/Date Received 2023-11-29 - 14 - in parallel to form at least one traction battery module group.
10. The power plant supply system according to claim 8, wherein when the electric actual voltage of the plurality of automotive traction battery modules is smaller than the electric target voltage of the electric consumer, the plurality of automotive traction battery modules are connected in series to form each traction battery module subgroup and the plurality of traction battery module subgroups are connected in parallel to form the at least one traction battery module group. Date Recue/Date Received 2023-11-29
CA2993384A 2017-02-06 2018-01-29 Ship or power plant voltage supply system Active CA2993384C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017102257.0A DE102017102257A1 (en) 2017-02-06 2017-02-06 Ship or power plant voltage supply system
DE102017102257.0 2017-02-06

Publications (2)

Publication Number Publication Date
CA2993384A1 CA2993384A1 (en) 2018-08-06
CA2993384C true CA2993384C (en) 2024-07-02

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Country Link
US (1) US11031633B2 (en)
JP (1) JP7382700B2 (en)
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US20180226689A1 (en) 2018-08-09
CH713423A2 (en) 2018-08-15
CA2993384A1 (en) 2018-08-06
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JP2018140773A (en) 2018-09-13
CN108394296A (en) 2018-08-14

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