EP3785362A1 - Plug'n'play energiespeichervorrichtung für die kombination mit elektrischen antriebssystemen - Google Patents
Plug'n'play energiespeichervorrichtung für die kombination mit elektrischen antriebssystemenInfo
- Publication number
- EP3785362A1 EP3785362A1 EP19730765.5A EP19730765A EP3785362A1 EP 3785362 A1 EP3785362 A1 EP 3785362A1 EP 19730765 A EP19730765 A EP 19730765A EP 3785362 A1 EP3785362 A1 EP 3785362A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- energy storage
- storage device
- voltage
- control
- board
- 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- Withdrawn
Links
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
- H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
- H02M3/10—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
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- 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
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
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- 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
- H02J7/60—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including safety or protection arrangements
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- 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
- H02J7/80—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including monitoring or indicating arrangements
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- 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
- H02J7/855—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
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- 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
- H02J7/90—Regulation of charging or discharging current or voltage
- H02J7/94—Regulation of charging or discharging current or voltage in response to battery current
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- 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
- H02J7/90—Regulation of charging or discharging current or voltage
- H02J7/96—Regulation of charging or discharging current or voltage in response to battery voltage
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- 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
- H02J7/90—Regulation of charging or discharging current or voltage
- H02J7/971—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters
- H02J7/975—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature
- H02J7/977—Regulation of charging or discharging current or voltage the charge cycle being controlled or terminated in response to non-electric parameters in response to temperature of the battery
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M5/00—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases
- H02M5/40—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC
- H02M5/42—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters
- H02M5/44—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC
- H02M5/453—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC using devices of a triode or transistor type requiring continuous application of a control signal
- H02M5/458—Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
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- 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
- H02J1/102—Parallel operation of DC sources being switching converters
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- 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
- H02J2207/00—Details of circuit arrangements for charging or discharging batteries or supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
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- 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
- H02J2207/00—Details of circuit arrangements for charging or discharging batteries or supplying loads from batteries
- H02J2207/50—Charging of capacitors, supercapacitors, ultra-capacitors or double layer capacitors
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- 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
- H02J7/60—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including safety or protection arrangements
- H02J7/663—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including safety or protection arrangements using battery or load disconnect circuits
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- 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
- H02J7/80—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries including monitoring or indicating arrangements
- H02J7/84—Control of state of health [SOH]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of DC power input into DC power output
- H02M3/02—Conversion of DC power input into DC power output without intermediate conversion into AC
- H02M3/04—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters
- H02M3/10—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M3/155—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M3/156—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
- H02M3/158—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
- H02M3/1584—Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load with a plurality of power processing stages connected in parallel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
Definitions
- the present invention relates to an energy storage device with power connections for connecting to a voltage circuit of power electronics of a drive system, which can be controlled by an external system controller, and at least one electrical memory block, at least one power converter for connecting the voltage circuit of the power electronics of the drive system with an internal voltage circuit of the memory block, and a control device for controlling the at least one converter, said control device being a controller board with supply and / or feed control means for controlling the converter for supplying current from the memory block to the drive system and / or for feeding current from the drive system into the memory block, and with voltage regulating and / or control means for regulating and / or controlling the output voltage of the energy storage device.
- the invention further relates to a drive system with power electronics to which such an energy storage device is connected, the control device of which communicates with the higher-level system control of the drive system.
- Such electrical drive systems can be used, for example, in lifting devices, in particular elevators such as passenger and / or freight elevators, but also cranes such as Container bridge cranes, or construction machines such as concrete mixer vehicles, earthmoving and mining machines such as surface milling cutters, but in principle other mobile machines or networked machines are also used.
- such drive systems can be passenger and / or goods lifts that are used in or on buildings such as high-rise buildings, or they can also be other lifting devices that lift and lower loads cyclically.
- the energy storage device can at least have a converter module in order to adapt the provided or fed current with regard to characteristic parameters such as voltage and / or frequency in the required manner.
- a converter module in order to adapt the provided or fed current with regard to characteristic parameters such as voltage and / or frequency in the required manner.
- Such DC / DC converters or DC / DC converters refer to an electrical circuit which can convert a DC voltage supplied at the input into a DC voltage with a higher, lower or inverted voltage level and is able to transfer energy from the high voltage level to the low voltage level transfer, for example in order to charge the energy storage block and also to transfer in the other direction, ie to store it or to transfer it from the storage block into the DC circuit of the drive system.
- converters such as, for example, rectifiers, inverters, frequency converters or, in general, inverters can also be used, wherein such converters can include electronic components such as diodes, transistors or thyristors, but also Mosfets, IGBTs or IGCTs.
- connection of such an energy storage device, in particular with a double-layer capacitor, to the respective drive system is more or less complex, since the individual components of such an energy storage device are usually laboriously configured together and adapted to the general conditions of the drive system, for example its electric motor and power electronics have to.
- a user or application engineer is usually forced to deal with the complex internal processes in the energy storage and in the DC / DC controller in order to be able to make the necessary interpretations with regard to the modules and the internal functionality.
- Care should be taken to ensure that the energy storage device must withstand the harsh operating conditions such as dust and shock and vibration loads.
- the object of the present invention is to create an improved energy storage device of the type mentioned at the outset and an improved drive system with such an energy storage device, which avoid the disadvantages of the prior art and advantageously develop the latter.
- the connection of the energy storage device to a respective drive system is to be drastically simplified, and at the same time the intermediate storage and re-emission of the electrical energy into and from the energy storage device should be designed efficiently and safely.
- the stated object is achieved by an energy storage device according to claim 1 and a drive system with such an energy storage device according to claim 18.
- the subject of the invention is furthermore the use of such a drive system in a lifting device according to claim 21.
- said control device has an adaptation board connected to the controller board, which has a plurality of connection connections for differently designed external system controls, at least one communication interface for communicating with the controller board Control device and at least one adaptation circuit for adapting and transmitting signals between the connection terminals of the adaptation board and the controller board.
- the control device integrated in the energy storage device can be connected in a simple manner to differently designed external system controls by means of the plurality of connection connections of the adaptation board which are of different designs.
- the signals, data formats and / or parameters required or provided by the external system control can be received, transmitted or made available via the appropriate connection connection of the adaptation board.
- the signals, data and / or parameters provided by the controller board can also be used by the external system control or, conversely, signals, data, commands or parameters provided by the external system control can be used by the controller board, this also fits - at least one adaptation circuit of the adaptation board, the signals, data, commands and / or parameters mentioned with regard to their format and / or voltage level and / or with regard to their transmission paths to the respective connection connection and / or to the communication interface of the adaptation Boards so that the controller board can communicate with differently designed, higher-level external system controls.
- the adaptation board can advantageously comprise a plurality of adaptation circuits, of which a respectively suitable circuit can adapt the respectively required signals, data and / or parameters from / to the respective external system control.
- the said adaptation board can also comprise a plurality of sensor connections for connection to various sensors which are required for the system control and / or for the internal control device.
- the adaptation board can be connected, on the one hand, to sensors internal to the energy storage device, by means of which the sensor connections Gies storage device, in particular its memory block and / or at least one operating state on the converter and / or on the internal voltage circuit is monitored.
- the adaptation board can be connected to external sensors via the sensor connections mentioned, which monitor at least one operating state of the drive system to be connected or its power electronics.
- cooling device sensors for monitoring a cooling device for example a coolant flow quantity and / or mass sensor and / or a temperature sensor, and / or a current and / or voltage sensor for monitoring a current flow, can be connected to the sensor connections of the adaptation board and / or a voltage in the voltage circuit of the drive system to be connected and / or in the internal voltage circuit of the memory block, and / or a degree of symmetry sensor for monitoring the symmetry of a plurality of memory blocks can be connected.
- Said at least one adaptation circuit of the adaptation board can consist, for example, of one or more hardware components in the form of electronic components such as semiconductor components, but alternatively or additionally comprise one or more software components that are stored in a memory can be saved and processed in a processor.
- the adaptation board can in particular also comprise a number of such hardware circuits and / or software modules.
- a controller board adapted to the memory block and its circuit can be used and still adapted to various higher-level system controls and used together with it.
- the said adaption board can be detachably connected to the said controller board via one or more plug connections.
- the adaptation board can also be hard-wired to the controller board.
- the controller board mentioned can advantageously have at least one microcontroller, at least one FPGA component, that is to say a field-programmable gate array, furthermore flardware circuits and plug connectors for contacting and / or consist of the components mentioned.
- the above-mentioned flardware circuits of the controller board can include electronic components such as flalbleiters, transistors, diodes or other active or passive components, and in particular integrated circuits can also be provided on the controller board.
- the controller board can also comprise at least one software module, which is stored in a memory module and which interacts with the microcontroller or is processed by it.
- control device integrated in the energy storage device can further comprise a communication board which is provided to enable fieldbus communication for the control device, in particular with signal-emitting and / or signal-processing components of the energy storage device such as sensors and / or with signaling and / or signal processing components of the drive device to be connected and / or the external system control such as sensors installed on the drive device.
- signal-emitting and / or signal-processing components of the energy storage device such as sensors and / or with signaling and / or signal processing components of the drive device to be connected and / or the external system control such as sensors installed on the drive device.
- the communication board mentioned can advantageously have plug connectors and can be plugged onto the controller board.
- control device can advantageously be implemented and / or provided in the aforementioned controller board, which enable the control device to control the energy storage device for an abundance of different drive devices and different external control systems and to carry out corresponding control functions , whichever Control function of the drive device and / or the external control system are required.
- control device of the energy storage device can comprise control means for controlling the operation of the at least one memory block, wherein the state control means mentioned for the operation of the energy store can advantageously be configured to automatically precharge an internal intermediate circuit and / or to automatically connect and disconnect to an external intermediate circuit of the drive system and / or an automatic precharging to a preferably parameterizable initial voltage.
- the integrated control can include detection means for detecting various sensors, for example at least one voltage sensor and / or at least one current sensor and / or at least one temperature sensor or at least one flow sensor, by means of which corresponding operating variables of the energy storage device and / or of the drive system can be measured.
- detection means for detecting various sensors for example at least one voltage sensor and / or at least one current sensor and / or at least one temperature sensor or at least one flow sensor, by means of which corresponding operating variables of the energy storage device and / or of the drive system can be measured.
- control device of the energy storage device can comprise power control means for generating control signals for the power electronics of the drive system.
- control device can comprise a regulator for regulating the current in the memory block.
- the integrated control device can include operating control means for setting or controlling different operating modes of the energy storage device, the said operating control means in particular a regulator for regulating an intermediate circuit voltage and / or a regulator for regulating an intermediate circuit voltage with setpoint window and / or a regulator for regulating an intermediate circuit current and / or a regulator for regulating one Power and / or a controller for regulating a charge state and / or control means for actively discharging the memory block can include.
- the said operating control means in particular a regulator for regulating an intermediate circuit voltage and / or a regulator for regulating an intermediate circuit voltage with setpoint window and / or a regulator for regulating an intermediate circuit current and / or a regulator for regulating one Power and / or a controller for regulating a charge state and / or control means for actively discharging the memory block can include.
- the integrated control device can have a self-test module for self-testing the power electronics.
- the integrated control device can comprise at least one limiter module, which is provided and designed to reach storage voltage limits and / or to reach storage current limits and / or to reach intermediate circuit current limits and / or when intermediate power limits are reached and / or when temperature limits are reached, to limit or change at least one characteristic manipulated variable of the energy storage device and / or of the drive device, for example to limit or reduce a current or voltage that is supplied or fed in and / or a voltage level ,
- Such a limiter module can advantageously be configured to be parameterizable in order to be able to predefine the corresponding voltage limit and / or current limit and / or power limit and / or temperature limit.
- said control device of the energy storage device can comprise at least one monitoring module which is designed to detect an overcurrent in the energy storage device and / or an overvoltage in an intermediate circuit and / or a voltage in the energy storage device and / or Voltage in the at least one storage block and / or an excess temperature, for example in the cooling water of a cooling device and / or in the at least one storage block and / or in an interior of the energy storage device and / or on at least one throttle, and / or to monitor a state of at least one relay and / or a cooling device, for example with regard to coolant flow and / or a cooling unit state, and / or to monitor power electronics and / or a memory state and / or a balancing function of the memory blocks.
- Age- Monitoring means for monitoring the remaining service life of the energy storage device and / or the at least one memory block can also be provided natively or additionally, such monitoring devices being able to calculate and / or estimate the said remaining service life.
- the aforementioned communication board and / or the adaptation board can have a fieldbus communication module for fieldbus communication with external control systems, wherein the fieldbus communication module can be provided, for example, for an operating mode to specify and / or to specify a start or stop of the drive device and / or to specify a setpoint for a respective operating mode and / or to specify changeable limits during operation and / or to specify a pilot control value for a control and / or operating mode and / or Read out the current status of the energy store and / or read out and provide current operating data.
- the fieldbus communication module can be provided, for example, for an operating mode to specify and / or to specify a start or stop of the drive device and / or to specify a setpoint for a respective operating mode and / or to specify changeable limits during operation and / or to specify a pilot control value for a control and / or operating mode and / or Read out the current status of the energy store and / or read out and provide current operating data.
- said control device of the energy storage device can comprise a statistical module for determining and / or storing statistical data, for example a time distribution of a storage temperature and / or a time distribution of a power and / or a time distribution of a current in the energy storage device and / or a time distribution of a voltage in the energy storage device.
- control device can comprise a master / slave control device for operating a plurality of memory blocks in a master / slave mode, such a master / slave control device advantageously having communication means which preferably communicate via a plurality of energy storage units with one another enable a CAN bus, and / or can comprise synchronization means for synchronizing the voltage of the plurality of energy storage units connected in parallel and / or distribution control means for evenly distributing the current in the energy storage units connected in parallel.
- said control device can comprise operating data transmission means for transmitting operating data of the at least one energy storage device to a central server and / or a cloud.
- the internal control device of the energy storage device in particular at least one of the aforementioned control means, can be configured to be parameterizable in order to be able to change the functionalities mentioned by correspondingly specifying parameters.
- a parameterization module can advantageously communicate with an external or internal parameterization device, for example a PC program OPAL, via a USB interface and / or a Profinet interface in order to carry out the desired parameterization.
- At least one parameter for power electronics such as, for example, the maximum current, a minimum and / or maximum voltage, at least one sensor, at least one switching time and / or at least one switching frequency, at least one operating mode, for example a control mode via one Fieldbus and / or a master / slave mode and / or an error reaction mode,
- At least one monitoring function such as the specification of a limit value for a cooling device and / or a balancing function and / or a voltage, and / or at least one limit value for current and power of the energy storage device and / or the drive device, -nominal data of the energy storage device such as nominal capacity and / or nominal current and / or inductance,
- the energy storage device mentioned can be of fundamentally different types, for example comprise a battery and / or a capacitor as the storage cell.
- the control device described above can be used particularly advantageously in a bipolar storage unit.
- the energy storage device can have a DC / DC actuator, which is designed bidirectionally in order to be able to both charge the storage block and to provide current from the storage block, the control unit of the energy storage device delivering and feeding-in control means for controlling the DC / DC actuator both when supplying current from the memory block to the DC voltage circuit and when feeding current from the DC voltage circuit into the memory block, and the DC / DC actuator, the memory block and the control unit to form an energy storage unit are combined with a common housing in which the DC / DC actuator, the memory block and the control unit are accommodated and on the outside of which two connections are provided for connection to the DC voltage circuit.
- the energy storage device forms an integral overall system which brings together the components involved and required in a single housing, in which the control for the energy management is also installed. Essentially, only the two connections on the outside of the housing need to be connected to the DC voltage circuit of the drive system, the control unit in the interior of the housing of the energy storage device adapting the necessary control and regulating variables to the drive system.
- the storage block of the energy storage device can in particular comprise at least one capacitor, preferably in the form of a double-layer capacitor, for energy storage, but in principle also at least one battery or an accumulator can be provided in addition or as an alternative to one or more capacitors.
- the at least one memory block and / or the DC / DC actuator and / or the control unit inside the common housing can be connected to a cooling circuit, which preferably has coolant connections on the housing for connection.
- a cooling circuit which preferably has coolant connections on the housing for connection.
- the coolant connections mentioned can be designed to be pluggable, so that only the coolant lines of the external cooling circuit have to be connected to the housing of the energy storage device.
- the internal and / or external cooling circuit and its components such as coolant circulators, cooling air blowers, switching valves, flow regulators and the like can advantageously be controlled by the control unit inside the energy storage device, in particular depending on the temperature of a component inside the housing of the energy storage device and / or an ambient temperature.
- the control unit can be connected to the control unit, which measures the named component and / or ambient temperature and / or housing interior temperature.
- the control unit can be connected to a flow meter in order to be able to regulate the flow rate of the cooling medium.
- the electrical connections and / or the signal connections of the energy storage device can also be plugged in on the outside of the housing or designed as a plug, so that the corresponding power or signal lines are merely plugged in need.
- the housing in which the components of the module are integrated can be designed to be divisible and comprise a plurality of housing parts which can be assembled to form the common housing into which at least the DC / DC controller, the memory block and the control unit are integrated.
- Various electrical components can be accommodated in the different housing parts, which can be connected to one another when the housing parts are assembled by releasable connecting means, in particular plug contacts.
- plug-in connection parts can be attached to the interfaces of the housing parts or elsewhere in such a way that when two housing parts are put together or joined together, the plug connections are also automatically closed or come into engagement in order to interconnect the electronic components which are accommodated in the two housing parts connect to.
- a warning signal device can be provided for emitting a warning signal when the energy storage unit is still charged with energy and in this respect voltage can still be applied to the external connection contacts and thus a possible one Danger potential is present.
- the warning signal device can, for example, be designed visually and provide a warning signal that is visible from the outside, but possibly also work acoustically or in some other way.
- an electrical isolating switch can advantageously also be provided to disconnect the memory block and / or to disconnect the connections on the housing, the isolating switch mentioned being designed as an internal circuit or inside the housing of the energy storage unit can. With the help of such an electrical isolating switch, the connections made from the energy storage system can be de-energized, which considerably reduces the risk potential.
- the energy storage device can also comprise a preferably integrated discharge circuit which can advantageously be actuated from the outside or, on command from the outside, can convert the energy still contained in the storage block into heat. Accordingly, the memory block can be discharged by a control signal which can be sent to the energy storage unit from the outside, for example if the energy storage device is to be decoupled from the drive system.
- the housing can advantageously be designed in a sufficiently high IP protection class that enables the storage system to be used outdoors.
- the energy storage device is designed mechanically in such a way that it can also be used in the event of higher vibration loads, such as can occur in mobile work machines such as construction machines and cranes, for example by means of a correspondingly strong design of the housing and / or damping embedding of the electrical components in the housing and / or suitable design of the electrical components themselves.
- FIG. 2 shows a schematic representation of the control device of the energy storage device from FIG. 1, the controller board, the communication board plugged onto the controller board and the adaptation board of the control device connected to the controller board being shown; 3 shows a schematic representation of a plurality of energy storage units connected in parallel, which can be controlled by the previously shown control device of FIG. 2 in a master / slave operating mode,
- FIG. 5 shows a schematic representation of two energy storage units which are arranged in parallel with one another, but in contrast to the embodiment according to FIG. 4, but function as master and slave units through the control device,
- FIGS. 1 to 5 a schematic representation of a drive system with mains supply and an electric motor controlled by a frequency converter, the frequency converter being supplied from a DC voltage intermediate circuit to which the energy storage device from FIGS. 1 to 5 can be connected, and
- FIG. 7 a schematic representation of the connection of the memory block from FIGS. 4 and 5 to the DC voltage intermediate circuit from FIG. 6 via a DC / DC actuator.
- FIG. 6 shows an example of a drive system 1 to which the energy storage devices shown by way of example in FIGS. 1 to 5 can be connected in accordance with exemplary embodiments of the invention.
- the drive system 1 can comprise an electric motor M, which can be supplied via a power electronics 2 from a current source or voltage source 5, the said current source 5 being a mains connection or a generator, for example can be driven by a diesel engine, as is often the case with construction machines.
- the named electric motor M can drive various actuators.
- this can be a lifting mechanism and / or a traversing drive of a lifting device, for example in the form of a passenger and / or freight elevator of a building, or else in the form of a crane, in particular a container bridge crane, or an actuator or a drive drive unit of a mobile construction machine such as a truck mixer.
- a lifting device for example in the form of a passenger and / or freight elevator of a building, or else in the form of a crane, in particular a container bridge crane, or an actuator or a drive drive unit of a mobile construction machine such as a truck mixer.
- the power electronics 2 can comprise a frequency converter 3 which controls and supplies the electric motor M.
- Said frequency converter 3 can in turn be supplied from a DC voltage circuit or DC voltage intermediate circuit 4, which is connected to the current source 5 and can work as a rectifier.
- said DC voltage intermediate circuit 4 can comprise an intermediate circuit capacitor C1, to the two voltage connections of which an energy storage device 6 can be connected, as shown in FIGS. 1 and 2.
- the at least one memory block 7 of the energy storage device 6 can be connected via a DC / DC converter 8, which connects the output voltage U2 of the memory block 7 to the voltage U1 of the DC link 4, cf. Fig. 7.
- the energy storage system for example connected to the connections of the intermediate circuit capacitor C1, now serves not to destroy the regenerated energy from the direct voltage intermediate circuit 4, but to absorb it and make it available again at a later point in time.
- the energy store itself can be formed from various electrical components which are suitable for this. In particular, these can be double-layer capacitors, or also battery cells or accumulators, as are used in emergency power systems.
- a memory block 7 can be formed from a plurality of such cells - for example, a plurality of double-layer capacitors - by series and / or parallel connection, which emits a variable total voltage depending on the cell type and charge state.
- the circuit is now advantageously designed such that the maximum voltage of the memory block 7 is lower than the minimum voltage of the DC link 4.
- the output voltage U2 of the memory block 7 can be, for example, in the range from 250 to 500 V, while the voltage U1 across the connections of the DC link 4 can be, for example, 650 V.
- the DC / DC actuator 8 now connects the two voltage systems to one another, the circuit of the DC / DC actuator being able to transfer energy from the high voltage level to the low voltage level, which corresponds to the loading of the memory block 7, and also to transfer in the other direction, which corresponds to the withdrawal or an energy transfer from the storage block 7 into the intermediate circuit 4, cf. Fig. 7.
- the energy storage device 6 is advantageously distinguished by a plug-and-play configuration, so that the energy storage device 6 can be easily connected to the intermediate circuit 4 in the manner of a black box.
- a memory block 7 which, as mentioned, consists of several memory cells, for example in the form of double-layer capacitors. can stand, together with a DC / DC actuator 8 and a control device 9 which accomplishes the energy management of the energy storage device, combined to form an energy storage unit and integrated into a common housing 10 which, as mentioned, consists of different housing parts. can be composed.
- coolant connections 14 can be provided on the housing 10 of an energy storage unit in order to provide a cooling circuit integrated in the housing 10 for cooling the storage block 7 and / or the DC / DC actuator 8 and / or the control device 9 to an external one To be able to connect the cooling circuit of the machine.
- the aforementioned internal control device 9 of the energy storage device 6 can include a controller board 90 which controls and / or regulates various control functions of the energy storage device 6, in particular the aforementioned DC / DC controller 8 checked and performs other control functions that will be explained.
- Said controller board 90 can include a microcontroller 91, which can process one or more software modules, for example, which can be stored in a memory module (not shown in more detail). Furthermore, the controller board 90 mentioned can comprise a so-called FPGA module, that is to say a field-programmable gate array, cf. Reference numeral 92 in FIG. 2.
- controller board 90 advantageously comprises a plurality of hardware circuits in order to implement various control functions.
- control device 9 further advantageously comprises a communication board 95 which can be plugged onto the said controller board 90 and can implement fieldbus communication.
- the controller board 90 also comprises a multiplicity of signal and / or supply connections, which can be designed, for example, in the form of detachable plug connections 93, in order to be used with the adaptation board 96 to be described to be releasably connected.
- controller board 90 can have a plurality of inputs 94, for example in the form of plug contacts for connecting various sensors.
- the adaptation board 96 of the control device 9 already mentioned advantageously comprises a plurality of adaptation circuits 100, for example in the form of flardware circuits, by means of which received signals can be adapted and / or transformed and / or channeled and / or distributed, for example around input signals to adapt the superordinate or external system control of the drive device to the needs of the integrated control device 9 and to be able to transfer them there and / or vice versa to adapt and / or transform control signals, operating data and / or recorded parameters from the internal control device 9 and / or to be able to adapt to the needs of the external system control and to be able to provide them appropriately.
- the said adaptation board 96 advantageously comprises a plurality of interfaces 97, for example in the form of plugs, in order to be able to be connected to the controller board 90, in particular its plug contacts 93, between the controller board 90 and the adaptation board 96 to be able to exchange corresponding signals and / or commands and / or data.
- the adaptation board 96 can also connect sensor connections 99 various sensors that can be provided in the energy storage device 6 or as external sensors on the drive device.
- Said control device 9 comprising controller board 90, adaptation board 96 and communication board 95, can in particular be configured to carry out the following control functions and monitoring functions:
- the parameters can be set via the USB interface or the Profinet interfaces and the PC program Opal.
- Nominal data for the memory (nominal capacity, nominal current, inductance, ..) o Setting the controller of the different operating modes
- a plurality of such energy storage units can be connected in parallel and connected in this configuration to the DC voltage intermediate circuit 4, it being possible for the power connections 11 and 12 leading to the outside to be connected directly in parallel, ie + to + and - on -.
- the interconnected control devices 9 of the energy storage units communicate with one another via the control bus and support the parallel connection mentioned in such a way that all the memory blocks of the units connected in parallel are automatically adjusted to a uniform amount of energy.
- the memory blocks 7 can each have a balancing circuit which leads the individual voltages of the memory cells to a value that is as uniform as possible.
- control devices 9 of the energy storage units connected in parallel can also communicate hierarchically with one another, a control device 9 functioning as a master unit, which controls the other control devices 9 functioning as slave units, supplies them with control specifications and / or direct control commands , as well as communicated with the higher-level system controller PLC.
- the control devices 9 of the storage units can include the control and / or regulating means already explained at the beginning and can be provided or connected with corresponding sensors, detection circuits or sensor circuits, so that the energy storage device 6 or its energy storage units, which in Parallel connection can be summarized, which can also perform functions already explained above.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Elevator Control (AREA)
- Dc-Dc Converters (AREA)
- Inverter Devices (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102018114405.9A DE102018114405A1 (de) | 2018-06-15 | 2018-06-15 | Energiespeichervorrichtung für elektrische Antriebssysteme |
| PCT/EP2019/065565 WO2019238860A1 (de) | 2018-06-15 | 2019-06-13 | Plug'n'play energiespeichervorrichtung für die kombination mit elektrischen antriebssystemen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3785362A1 true EP3785362A1 (de) | 2021-03-03 |
Family
ID=66867146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19730765.5A Withdrawn EP3785362A1 (de) | 2018-06-15 | 2019-06-13 | Plug'n'play energiespeichervorrichtung für die kombination mit elektrischen antriebssystemen |
Country Status (8)
| Country | Link |
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| US (1) | US11764718B2 (de) |
| EP (1) | EP3785362A1 (de) |
| JP (1) | JP2021528032A (de) |
| CN (1) | CN112740528A (de) |
| AU (1) | AU2019286776A1 (de) |
| BR (1) | BR112020025024A2 (de) |
| DE (1) | DE102018114405A1 (de) |
| WO (1) | WO2019238860A1 (de) |
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|---|---|---|---|---|
| KR102202613B1 (ko) * | 2017-09-27 | 2021-01-12 | 주식회사 엘지화학 | 배터리 모듈 균등화 장치, 이를 포함하는 배터리 팩 및 자동차 |
| DE102018114405A1 (de) | 2018-06-15 | 2019-12-19 | Liebherr-Components Biberach Gmbh | Energiespeichervorrichtung für elektrische Antriebssysteme |
| DE102020126981A1 (de) | 2020-10-14 | 2022-04-14 | Liebherr-Components Biberach Gmbh | Energiespeichervorrichtung mit Temperiervorrichtung |
| KR102434036B1 (ko) * | 2021-06-17 | 2022-08-19 | 삼성전자주식회사 | 보조 전원 장치의 수명을 위한 충전 전압 제어 방법 및 이를 수행하는 스토리지 장치 |
| CN114325066B (zh) * | 2021-11-25 | 2023-01-20 | 双登集团股份有限公司 | 一种过压检测与能量吸收装置 |
| CN115441729B (zh) * | 2022-08-05 | 2025-09-12 | 天钰科技股份有限公司 | 电源转换器、多个集成模块的信号控制方法及集成模块 |
| DE102022210124A1 (de) * | 2022-09-26 | 2024-03-28 | Robert Bosch Gesellschaft mit beschränkter Haftung | Verfahren zum Betreiben einer elektrischen Antriebseinrichtung, Vorrichtung zum Betreiben einer elektrischen Antriebseinrichtung, Elektrische Antriebseinrichtung |
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| CN101403905A (zh) * | 2008-10-29 | 2009-04-08 | 深圳东洋旺和实业有限公司 | 机床数据采集系统 |
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| US8550007B2 (en) * | 2009-10-23 | 2013-10-08 | Siemens Industry, Inc. | System and method for reinjection of retard energy in a trolley-based electric mining haul truck |
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- 2019-06-13 AU AU2019286776A patent/AU2019286776A1/en not_active Abandoned
- 2019-06-13 EP EP19730765.5A patent/EP3785362A1/de not_active Withdrawn
- 2019-06-13 JP JP2020569737A patent/JP2021528032A/ja active Pending
- 2019-06-13 WO PCT/EP2019/065565 patent/WO2019238860A1/de not_active Ceased
- 2019-06-13 CN CN201980053497.4A patent/CN112740528A/zh active Pending
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| Publication number | Publication date |
|---|---|
| AU2019286776A1 (en) | 2021-01-28 |
| US11764718B2 (en) | 2023-09-19 |
| JP2021528032A (ja) | 2021-10-14 |
| DE102018114405A1 (de) | 2019-12-19 |
| BR112020025024A2 (pt) | 2021-03-23 |
| CN112740528A (zh) | 2021-04-30 |
| US20210143765A1 (en) | 2021-05-13 |
| WO2019238860A1 (de) | 2019-12-19 |
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