EP3378149A1 - Dispositif convertisseur de tension pour des signaux haute tension - Google Patents
Dispositif convertisseur de tension pour des signaux haute tensionInfo
- Publication number
- EP3378149A1 EP3378149A1 EP16805299.1A EP16805299A EP3378149A1 EP 3378149 A1 EP3378149 A1 EP 3378149A1 EP 16805299 A EP16805299 A EP 16805299A EP 3378149 A1 EP3378149 A1 EP 3378149A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- voltage
- conversion
- cell
- signal
- high voltage
- 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- Withdrawn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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/17—Understructures, i.e. chassis frame on which a vehicle body may be mounted forming fluid or electrical conduit means or having other means to accommodate the transmission of a force or signal
-
- 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
- H02J1/08—Three-wire DC power distribution systems; Systems having more than three wires
- H02J1/082—DC supplies with two or more different DC voltage levels
-
- 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
- B60L1/02—Supplying electric power to auxiliary equipment of vehicles to electric heating circuits
-
- 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
- B60L2200/18—Buses
-
- 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
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
-
- 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
-
- 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
-
- 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
- Y02T10/72—Electric energy management in electromobility
Definitions
- the present invention relates to a voltage converter device for high voltage signals, particularly in an electric vehicle. It also relates to an electric vehicle implementing such a device.
- the field of the invention is the field of voltage converters for high voltage signals, in particular embedded in electric vehicles.
- the electric vehicles comprise several electricity storage modules, called “batteries” in the remainder of the application, delivering a high voltage signal, "HT" in the remainder of the application, to power the vehicle power train. These batteries are recharged by a high voltage signal delivered by a charging station HT external to the vehicle.
- all vehicles, and even more so electric vehicles include auxiliary devices that need to be supplied with low voltage, by one or more low-voltage circuits, for design reasons but also for reasons of security.
- auxiliary devices that need to be supplied with low voltage, by one or more low-voltage circuits, for design reasons but also for reasons of security.
- An object of the present invention is to overcome these disadvantages.
- Another object of the invention is to propose a high-voltage conversion device, in particular for an electric vehicle, which is less expensive, less bulky, lighter and has less impact on the performance of the vehicle.
- Yet another object of the invention is to propose a high-voltage conversion device, more flexible in terms of the voltage level of the high-voltage signal at the input and / or the power of the low-voltage signal delivered at the output.
- a voltage conversion device for providing a low voltage electrical signal from a high voltage electrical signal, particularly in an electric vehicle, said device comprising:
- the invention provides a voltage conversion device for converting a high voltage signal and providing a low voltage signal comprising a plurality of conversion cells arranged in parallel.
- conversion cells adapted to process, as input, HV signals having different voltage levels.
- the device according to the invention is more flexible in terms of the voltage level of the input high voltage signal and / or of the low voltage signal output power.
- the device according to the invention makes it possible to replace several independent converters, so that the design and manufacture of the vehicle are less complex and less time-consuming.
- the device according to the invention is lighter, less bulky, less expensive and less disadvantageous for the vehicle in terms of performance, than several independent converters.
- high voltage designates a DC voltage greater than or equal to 60V. According to current standards, such a voltage is also called “dangerous voltage”.
- At least two conversion cells may be sized to each apply a voltage conversion to a high voltage input signal having a voltage level different from the other cell, to provide a low voltage signal of the same voltage.
- the device according to the invention can comprise:
- At least one first cell sized to apply a voltage conversion to a first high voltage input signal having a first voltage level
- At least one second cell in parallel with said at least one first cell, sized to apply a voltage conversion to a second high voltage input signal, a second voltage level different from said first voltage level; to provide a low voltage signal of the same voltage.
- the conversion device makes it possible to apply a voltage conversion to HV signals of different voltage levels, to provide a low voltage signal of the same voltage level.
- the device according to the invention can comprise:
- At least one cell in particular four cells, for converting a high voltage signal between 280 V and 450 V, and in particular 400 V;
- the electric recharging of the batteries by an external charging station includes:
- heating phase during which the vehicle is powered by a signal, called heating, 100V supplied by the station, and
- a charging phase during which the vehicle is powered by a signal, called load, 400V provided by the station.
- the invention thus makes it possible to convert the heating signal and the charge signal into voltage by a single device.
- At least one, in particular each, conversion cell is configured to activate and / or deactivate according to the signal voltage. high voltage applied to the input interface and a predetermined voltage operating range associated with said cell.
- an operating range associated with at least one, particularly at exactly one, conversion cell may be the 90V-110V voltage range. So, when this cell detects a signal input voltage between 90V and 110V, it is activated automatically. Otherwise, this cell turns off.
- an operating range associated with at least one cell may be the range of voltages 280V-450V.
- each of these cells detects at input a voltage signal between 280V and 450V, it is activated automatically. In the opposite case, each of these cells is deactivated.
- the device according to the invention may comprise, in addition or alternatively, at least one cell performing a conversion of a high voltage signal into a low voltage signal between 22V and 26V, and in particular 24V.
- At least two conversion cells can be sized to provide a low voltage signal of the same voltage and the same or different power.
- the power of a low voltage signal provided by a conversion cell may be between 1 and 3kW, and in particular be equal to 2kW.
- the device according to the invention may comprise an input supply bus for supplying at least two conversion cells with the same high voltage signal supplied to the input interface.
- this HT signal can be routed to each cell by the power bus.
- the high voltage input interface may comprise at least one secure connector, more particularly against the leakage of the electrical signal or the electrocution, for example at least one connector incorporating a degree of protection of the IPXXB type and / or a cut circuit type HVIL.
- the high voltage input interface and the low voltage output interface may be disposed on the same face of said device.
- the conversion device according to the invention may comprise a cooling means.
- the cooling means can be individual, and possibly independent, for each conversion cell.
- the cooling means is common to all of the conversion cells.
- the cooling means may comprise a circuit in which circulates a cooling fluid, such as air or water.
- the cooling circuit can be arranged in / on / against at least a portion of a housing or an outer wall of the device.
- the cooling circuit may preferentially be arranged in / on / against a plate, or more generally a support, on which / which is disposed at least one, in particular each, conversion cell.
- the casing or the wall of the device according to the invention comprises the cooling circuit in its thickness and comprises at least one inlet and at least one outlet for the cooling fluid.
- the cooling fluid can be circulated by a circulation means, pump type for example, integrated in said device or external to said device.
- the conversion device according to the invention is in a one-piece form comprising the input and output interfaces, and possibly the input (s) / output (s) for the cooling fluid.
- the device according to the invention may further comprise a communication interface with an external device, enabling said device to communicate with said external device, in particular to signal a failure of at least one conversion cell.
- Such an external device may be a computer of a vehicle or a power management unit of the auxiliary organs of the vehicle.
- the device according to the invention comprises at least one means for measuring a current consumed by one, in particular each, conversion cell.
- Such current measuring means may or may not be integrated into each conversion cell.
- a conversion cell when a conversion cell is down, it is possible to communicate this information to a computer, also called master, of the vehicle via the communication interface.
- the master can then stop an auxiliary member, for example the heating of the vehicle, so as to ensure the supply of other more sensitive organs, for example power steering or brakes.
- the current measurement means may also be configured to compare the value of the measured current with a predetermined current value, to determine the operating state of said cell, in particular to detect a failure of said current. cell.
- the comparison can be carried out in a module common to all the conversion cells.
- the measured value the current consumed by each cell is transmitted to this common module.
- an electric vehicle comprising a high voltage electrical circuit and at least one low voltage electrical circuit, said vehicle further comprising a conversion device according to the invention, in particular between said electrical circuits. for supplying said low voltage electrical circuit from said high voltage electrical circuit.
- the vehicle according to the invention comprises a conversion device according to the invention in communication with a computer or a power management unit of the auxiliary members, to signal a failure of at least one conversion cell
- said computer or management box may be arranged to stop the supply of at least one auxiliary member of said vehicle, when the conversion device reports a failure of a conversion cell.
- the vehicle according to the invention may for example be a public transport vehicle of the bus, bus or tram-bus type.
- trim-bus designates a terrestrial electric public transport vehicle mounted on wheels and which recharges at each station, so as not to require heavy rail-type, catenary-type infrastructures on the road network. .
- Such an electric vehicle is recharged at each station by means of load elements of the station and a connector connecting said vehicle to said station.
- the vehicle comprises one or more batteries.
- Each of the batteries may advantageously be or comprise at least one Lithium-metal-polymer battery, also called battery "LMP ®”.
- FIG. 1 is a schematic representation of the principle of an exemplary conversion device according to the invention
- FIGS. 2-4 are schematic representations of a nonlimiting example of a device according to the invention.
- FIGURE 5 is a schematic representation of an electric vehicle according to the invention.
- FIGURE 1 is a schematic representation of the principle of a non-limiting example of a voltage conversion device according to the invention.
- the device 100 shown in FIG. 1, is in the form of a one-piece assembly 102 having an input interface 104 for supplying said device 100 with a high voltage signal (HT), an output interface 106 to provide a low voltage signal (LV) obtained from said high voltage signal.
- HT high voltage signal
- LV low voltage signal
- the device comprises five voltage conversion cells 108, 110, 112, 114, 116 arranged in parallel between the input interface 104 and the output interface 106.
- Each conversion cell is sized to provide a low voltage signal of the same voltage, for example 24V, and of the same power, for example 2kW.
- the conversion cell 108 is sized to apply a voltage conversion to a voltage HV signal between 90V and 110V.
- the four voltage conversion cells 110-116 are identical and are sized to apply voltage conversion to a voltage HV signal between 280V and 450V.
- the device 100 comprises an input filter 118 for filtering the high voltage signal present at the input interface 104.
- the device 100 further comprises a cooling circuit 120, made in the thickness of at least one wall of the one-piece assembly 102, and in which circulates a cooling fluid, such as water.
- the fluid enters the cooling circuit 120 through an inlet 122, travels the cooling circuit to charge with the calories of the conversion cell (s) 108-116 that are in operation and leaves the cooling circuit 120 through an outlet 124. .
- the device 100 is further provided with a communication interface 126 and a communication module 128, for communicating with an external device, such as a computer or a vehicle auxiliary power management box. .
- Each cell 108-116 is provided with means (not shown) for measuring the current consumed by said cell, such as an ammeter.
- the measuring means is arranged to compare the measured value of the current consumed by the conversion cell with a predetermined value, to detect whether the conversion cell is working properly, or whether the conversion cell has failed.
- this information is transmitted to the communication module 128 through a communication network 130 within the device 100. This information is communicated to the computer or to the management unit of the device. supply auxiliaries, which can disconnect an auxiliary member, such as heating, to provide power to a sensitive auxiliary member, such as power steering or braking.
- a predetermined operating range 90V-110V is associated with the conversion cell 108.
- this conversion cell 108 detects a voltage signal between 90V and 110V as input, it switches on automatically. In the opposite case, this conversion cell 108 is automatically deactivated.
- a predetermined operating range 280V-450V is associated with each of the cells 110-116.
- each cell 110- 116 detects a voltage signal input between 280V and 450V as input, it is automatically activated. Otherwise, each of these cells 110-116 is automatically deactivated.
- the device according to the invention is not limited to the number of cells, nor to the electrical characteristics of the cells described here.
- FIG. 2 is a schematic representation of a nonlimiting exemplary embodiment of a voltage conversion device according to the invention.
- the device 200 shown in FIG. 2 is in the form of a one-piece assembly 102 comprising an upper portion or an upper casing 202, a lower portion or a lower casing 204, between which is disposed a support or a plate 206, comprising the different conversion cells.
- the device 200 includes all the elements of the device 100 of FIGURE 1.
- the cooling circuit is arranged in the thickness of the support plate 206, which is also a cooling plate, and which has the inlet 122 and the outlet 124 of the cooling circuit.
- the HT input interface 104 is in the form of a bipolar connector, in particular a bipolar connector incorporating a degree of protection type IPXXB and / or an HVIL type circuit breaker.
- the low voltage output interface 106 comprises two monopolar connectors 106 1 and 106 2 .
- FIGURE 3 is a schematic representation of the device of FIGURE 2 without the upper housing 202, and in a top view.
- the device 200 comprises four conversion cells, for example the four conversion cells 110-116 of the device 100 of FIG. 1, arranged in parallel, on a first face of the support 206.
- FIGURE 4 is a schematic representation of the device of the
- FIGURE 2 without the lower housing 204, and in a view from below.
- the device 200 comprises a conversion cell, for example the conversion cell 108 of the device 100 of FIG. 1, arranged on a second face of the support 206, opposite the face on which are arranged. cells 110-116.
- FIG. 4 also shows a power supply bus 402 connecting the conversion cells to the input interface 104, an output power supply bus 404 connecting the conversion cells to the output interface 106, in particular to the monopolar connectors 106i and 106 2 .
- the device 200 further comprises a power contactor 406.
- FIGURE 5 is a schematic representation of a non-limiting example of an electric vehicle according to the invention.
- the electric vehicle 500 shown in FIGURE 5, is an electric bus having one or more electric motors (not shown).
- the vehicle comprises a first set of batteries, such as the assembly 502, disposed on the side of a rear wall of the bus.
- the bus 500 further comprises a second set of batteries, for example the assembly 504, disposed in a housing provided in an upper wall of the bus 500.
- the electric bus 500 further comprises a voltage converter device according to the invention, such as the device 200 of FIGURES 2-4, arranged for example in a housing arranged on the side of the rear wall of the bus 500, under the first set of Battery 502.
- a voltage converter device such as the device 200 of FIGURES 2-4, arranged for example in a housing arranged on the side of the rear wall of the bus 500, under the first set of Battery 502.
- This location of the device 200 is of course not limiting and the device can be positioned at other places on the bus.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1560964A FR3043860B1 (fr) | 2015-11-16 | 2015-11-16 | Dispositif convertisseur de tension pour des signaux haute tension. |
| PCT/EP2016/077095 WO2017084926A1 (fr) | 2015-11-16 | 2016-11-09 | Dispositif convertisseur de tension pour des signaux haute tension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3378149A1 true EP3378149A1 (fr) | 2018-09-26 |
Family
ID=55486784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP16805299.1A Withdrawn EP3378149A1 (fr) | 2015-11-16 | 2016-11-09 | Dispositif convertisseur de tension pour des signaux haute tension |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3378149A1 (fr) |
| FR (1) | FR3043860B1 (fr) |
| TW (1) | TW201727423A (fr) |
| WO (1) | WO2017084926A1 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10389134B2 (en) * | 2017-06-21 | 2019-08-20 | Katerra, Inc. | Electrical power distribution system and method |
| CN119527196A (zh) * | 2023-08-31 | 2025-02-28 | 宁德时代(上海)智能科技有限公司 | 热管理高压集成控制器和车辆 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110133677A1 (en) * | 2008-08-08 | 2011-06-09 | Bayerische Motoren Werke Aktiengesellschaft | Circuit Arrangement for an Electric Drive |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004013243A1 (de) * | 2004-03-18 | 2005-10-06 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Wirkungsgradverbesserung parallelgeschalteter Gleichspannungswandler |
| JP5210500B2 (ja) * | 2006-05-10 | 2013-06-12 | トヨタ自動車株式会社 | 蓄電装置 |
| DE102009023340A1 (de) * | 2009-05-29 | 2011-02-03 | Daimler Ag | Verfahren zum Betreiben einer elektrischen Fahrzeugantriebseinheit |
| US8342279B1 (en) * | 2009-09-21 | 2013-01-01 | The Boeing Company | Modular vehicle and associated method of construction |
| DE102010025198A1 (de) * | 2010-06-26 | 2011-12-29 | Volkswagen Ag | Kraftfahrzeug-Bordnetz und Verfahren zum Betreiben eines Kraftfahrzeug-Bordnetzes |
| CN203707852U (zh) * | 2014-02-27 | 2014-07-09 | 南京舜唐科技有限公司 | 一种电动汽车车载集成dcdc模块的充电机装置 |
| CN104980015B (zh) * | 2015-07-03 | 2018-04-06 | 哈尔滨工业大学深圳研究生院 | 输入串联输出并联的dc/dc变换器的电流差控制方法 |
-
2015
- 2015-11-16 FR FR1560964A patent/FR3043860B1/fr not_active Expired - Fee Related
-
2016
- 2016-11-09 EP EP16805299.1A patent/EP3378149A1/fr not_active Withdrawn
- 2016-11-09 WO PCT/EP2016/077095 patent/WO2017084926A1/fr not_active Ceased
- 2016-11-14 TW TW105137068A patent/TW201727423A/zh unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110133677A1 (en) * | 2008-08-08 | 2011-06-09 | Bayerische Motoren Werke Aktiengesellschaft | Circuit Arrangement for an Electric Drive |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201727423A (zh) | 2017-08-01 |
| FR3043860A1 (fr) | 2017-05-19 |
| WO2017084926A1 (fr) | 2017-05-26 |
| FR3043860B1 (fr) | 2018-09-07 |
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