WO2023237962A1 - Système de charge de véhicules électriques - Google Patents

Système de charge de véhicules électriques Download PDF

Info

Publication number
WO2023237962A1
WO2023237962A1 PCT/IB2023/055502 IB2023055502W WO2023237962A1 WO 2023237962 A1 WO2023237962 A1 WO 2023237962A1 IB 2023055502 W IB2023055502 W IB 2023055502W WO 2023237962 A1 WO2023237962 A1 WO 2023237962A1
Authority
WO
WIPO (PCT)
Prior art keywords
node
charging unit
pfc
booster
charging
Prior art date
Application number
PCT/IB2023/055502
Other languages
English (en)
Inventor
Kaveh RAZI KAMANAJ OLIA
Original Assignee
Stellantis Europe S.P.A.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Stellantis Europe S.P.A. filed Critical Stellantis Europe S.P.A.
Publication of WO2023237962A1 publication Critical patent/WO2023237962A1/fr

Links

Classifications

    • 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
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • 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
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
    • B60L53/11—DC charging controlled by the charging station, e.g. mode 4
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/20—Charging or discharging characterised by the power electronics converter
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/40—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries adapted for charging from various sources, e.g. AC, DC or multivoltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
    • H02J2310/40—The network being an on-board power network, i.e. within a vehicle
    • H02J2310/48—The network being an on-board power network, i.e. within a vehicle for electric vehicles [EV] or hybrid vehicles [HEV]

Definitions

  • the description relates to systems for charging electric batteries.
  • One or more embodiments may be applied to electric vehicles (EVs).
  • EVs electric vehicles
  • a dedicated electronic component for AC on-board charging is commonly referred to as “on-board charging module” (OBCM).
  • OBCM on-board charging module
  • OBCMs are configured for charging battery vehicles by converting the AC voltage into DC voltage. To do this, the OBCM keeps the AC voltage galvanically insulated from the battery.
  • the DC fast-charging mode comprises coupling a charging station directly to the battery.
  • EVSE electrical-vehicle supply equipment
  • DCBC DC boost-charging
  • Known DCBC modules comprise a non-insulated DCBC boost converter for boosting the DC voltage from 400 V to 850 V.
  • Another known solution comprises a switchable battery so as to reach the level of 800 V by connecting in series two separate battery packs at the level of 400 V each. These two 400-V batteries are connected in parallel for being charged by a 400-V EVSE.
  • WO2021/169143A1 discloses a vehicle-mounted charger compatible with an AC charging pile and a DC charging pile.
  • the vehiclemounted charger comprises an AC-DC module, an internal DC bus, and a switching module, wherein: the AC-DC module is used for connecting to an AC charging pile, converting an alternating current into a direct current, and transmitting the direct current to the internal DC bus; the switching module is used for connecting, according to switching instructions, a direct current supplied by the direct-current charging pile to an input end of an AC-DC module or to the internal DC bus; and the internal DC bus is connected to a vehicle load for charging the vehicle load.
  • US11203267B2 discloses a dual-voltage charging-station system for an AC power supply and a mobile platform having a charging port that includes a charge coupler, an AC-to-DC converter, a cable, and a controller.
  • the charge coupler has an AC pin and a DC pin, which are configured to engage with the respective AC and DC receptacles of the charging port.
  • the conversion stage is connected to the charge coupler and to the AC power supply, converts the supply voltage to a DC charging voltage.
  • the cable connects the charge coupler so that the AC pins receive the voltage, and the DC pins receive the DC charging voltage.
  • One or more embodiments may be applied to any BEV that has a battery voltage rating higher than the voltage limit supplied by the DC charging station.
  • Figure 1 is a diagram exemplifying a charging system according to one or more embodiments
  • Figure 2 is a diagram exemplifying a portion of the diagram of Figure 1 ;
  • Figure 3 is a diagram exemplifying an alternative embodiment of the portion of diagram of Figure 1 exemplified in Figure 2;
  • Figures 4 to 6 are diagrams exemplifying portions of the diagram of Figure 1 that can be used also in the diagram of Figure 7;
  • Figure 7 is a diagram exemplifying an alternative charging system according to one or more embodiments.
  • Figures 8 to 12 are diagrams exemplifying portions of the diagram represented in Figure 7;
  • Figure 14 is a diagram exemplifying a portion of the diagram of Figure 7;
  • Figure 15 is a diagram exemplifying an alternative embodiment of the portion of diagram of Figure 7 exemplified in Figure 14;
  • an electronic system 100 for charging a battery comprises: a charging port 10 (e.g., an electrical socket) configured to be coupled via an interface 101 (e.g., according to an interface known from standard such as the Combined Charging System - CCS2 - and/or the GB/T) to an electrical socket or connector (e.g., provided by an electrical charging station, in a way in itself known) to receive electrical energy therefrom, the port 10 comprising an AC charging portion or port 102 and a DC charging portion or port 104, the port 10 being configured to interact with a battery system B of the BEV; a first battery-charging unit 12 (e.g., a high-voltage battery system - HVBS) comprising supply nodes DC+, DC- and an electrically chargeable battery B (e.g., with 800-V rated voltage) having a positive battery terminal B+ and a negative battery terminal B-, the battery being configured to be charged for
  • the PDC 14 comprises: a first electrical path that couples the DC booster node DB of the first charging unit 10 to the booster node HB of the second charging unit 20 (e.g., via a fuse F), a second electrical path that couples the positive output node O+ of the first charging unit 12 to the positive output node HV+ of the second charging unit 20 (e.g., via a further fuse F); and a third electrical current path that couples the negative output node O- of the first charging unit 12 to the negative output node HV- of the second charging unit 20.
  • the AC charging portion 102 of the charging port 10 comprises a plurality of contacts (e.g., five) coupled to respective first L1 , second L2, third L3, and fourth N input nodes of the second charging circuit 20, and a contact (e.g., the contact designated by PE) coupled to ground.
  • a plurality of contacts e.g., five
  • PE the contact designated by PE
  • the second charging unit 20 comprises:
  • AC supply nodes L1 , L2, L3, N, configured to receive an AC supply voltage from the AC charging portion 102;
  • the second charging unit 20 comprises an on-board charging module (OBCM) 22, 24, 26, 28, comprising: an EMI filter 22 coupled to the AC supply nodes L1 , L2, L3, N and comprising passive elements (e.g., such as inductors and capacitors) to filter out noise and electromagnetic interference (EMI), the EMI filter 22 being configured to supply a filtered voltage to the nodes P1 , P2, P3, PN, for example so as to provide both a common-mode filter and a differential filter; power-factor-correction (PFC) circuitry 24 coupled to the EMI filter 22 via the PFC input nodes P1 , P2, P3, PN to receive the filtered voltage therefrom, the PFC circuitry 24 being configured to apply a rectification operation to the filtered voltage, supplying a rectified voltage (e.g., such as a (rough) DC voltage with a superimposed AC ripple) as a voltage drop VR across a positive node D1 and a negative node D2;
  • a rectified voltage e.
  • the further EMI filter 28 is set also at the booster node HB, coupled to the first charging unit 12, and has a node D3 coupled thereto so as to receive the DC voltage at input to the first charging unit 12 when the latter is at a first voltage level lower than the level for charging the battery B, as discussed in what follows.
  • the second charging unit 20 further comprises a set of switches RL (e.g., a set of relays; the set RL is represented for simplicity as a toggle switch in Figure 1 ), configured to couple selectively, via a dedicated electrical line, the node D3 of the EMI filter 28 coupled to the booster node HB of the second charging unit 20 to the PFC circuitry 24 (e.g., via the EMI output filter 28) in response to coupling of the DC portion of the charging port 104 to an EVSE (e.g., via the corresponding socket), which is configured to supply a first voltage level (e.g., 400 V) lower than the voltage rating of the battery, as discussed in what follows; and a set of contactors K5, K6, comprising: a first contactor K5 set between a first (e.g., positive) output node D+ of the DC-DC converter 26 and a first (e.g., positive) node D1 of the PFC circuitry 24 of the second charging
  • switches RL e.g.
  • the contactors K5 and K6 may be electronically controlled mechanical switches that can be selectively switched ON (i.e., closed, with a current path through them rendered conductive) or switched OFF (i.e., opened, with a current path through them rendered non- conductive) for selectively coupling the output nodes D1 , D2 of the DC-DC converter 26 to the PFC output nodes D1 , D2, in response to coupling of the DC charging portion 104 of the charging port 10 to an EVSE (e.g., via the corresponding socket) configured to supply a voltage at a first level (e.g., 400 V) lower than the voltage rating of the battery B, as discussed in what follows.
  • a first level e.g. 400 V
  • the DC charging portion 104 of the socket 10 comprises two contacts coupled to the respective first DC+ and second DC- supply nodes of the first charging unit 12 for supplying the DC supply voltage thereto.
  • the first charging unit 12 comprises: a DC booster node DB coupled to the booster node HB of the second charging unit 20 (e.g., via the PDC 14); a positive output node O+ and a negative output node O- coupled to the PDC 14 for supplying thereto a voltage stored in the electrically charged battery B; a set of switches K1 , K2, K3, K4 comprising: a first switch K1 set between a first terminal of the battery and the positive node 0+ (e.g., via the resistive element R) of the first charging unit 12; a second switch K2 set between a second terminal of the battery and the negative node O- of the first charging unit 12; a third switch K3 set between the positive input node DC+ and the positive output node 0+ of the first charging unit 12; and a fourth switch K4 set between the negative input node DC- and the negative output node 0- of the first charging unit 12.
  • a DC booster node DB coupled to the booster node HB of the second charging
  • control unit 18 may comprise control circuitry, such as a microcontroller.
  • control unit 18 is represented in Figure 1 as external to the first charging unit 12 and the second charging unit 20 purely for purposes of illustration.
  • control unit may be integrated in one or both of the charging units 12, 20 or again may represent control functions shared by various components.
  • a method for charging the battery B via the system exemplified in Figure 1 comprises: driving (e.g., via control signals supplied by the control unit 18) the first and second contactors K5, K6 of the second charging unit 20 so that they are switched ON, thus bypassing the insulated DC-DC converter unit 26; driving the third switch K3 of the first charging unit 12 so that it is switched OFF into an open state in order to couple the positive input node DC+ to the DC booster node DB; and driving the fourth switch K4 of the first charging unit 12 so that it is switched ON in order to couple the negative input node DC- to the negative output nodes O- of the first charging unit 12 and HV- of the second charging unit 20 via the PDC 14; driving the second switch K2 (and the first switch K
  • the presence of the booster nodes DB, HB and the way in which the contactors K5, K6, the switches K1 , K2, K3, K4, and the set of switches RL are driven facilitate charging to 800 V of a battery using a charging station with a voltage rating of 400 V, such as an EVSE.
  • the device exemplified in Figure 3 may be less expensive to implement, given that it involves a lower number of components (for example, inductors) or a reduced area occupation by the set of switches RL (for example, given that it uses capacitors with a low voltage rating).
  • a lower number of components for example, inductors
  • a reduced area occupation by the set of switches RL for example, given that it uses capacitors with a low voltage rating.
  • the PFC circuitry 24 comprises six inductors 240, 242, 243, 245, 246, 248 and one and the same number of branches, this number being provided purely by way of non-limiting example.
  • the PFC circuitry 24 may comprise six branches with a current of 16 A for each branch, thus supplying a rectified power of approximately 22 kW in the AC-to-DC conversion.
  • the fourth switch RL4 of the set of switches RL may be integrated in the PFC circuitry 24, in particular when this is used together with the EMI filter 22 exemplified in Figure 2, whereas it may be replaced by an electrical-connection line in the case where the PFC circuitry 24 is coupled to the EMI filter 22A exemplified in Figure 3.
  • the switch K3 in response to the DC portion 104 of the charging port 10 being coupled to an EVSE that supplies a voltage at a first level (e.g., 400 V), the switch K3 is switched OFF, while the switches K2, K4, as well as the contactors K5 and K6 are switched ON; the switches of the further set of switches RL6 are switched ON to connect the DC EVSE to the input of the PFC circuitry 24, while the switches RL1 , RL2, RL3, RL4 of the first set of switches are switched OFF for safety reasons.
  • a first level e.g. 400 V
  • the second contactor K6 provides a common return path (to the negative node HV- of the second charging unit 20A) both for the PFC circuitry 24 and for the DC-DC converter 26.
  • the output nodes D1 , D2 of the PFC circuitry 24 are coupled to the battery B via the first contactor K5 and the second contactor K6 for supplying thereto the DC boosted voltage VD.
  • the DC-DC stage 26 can also operate as DC boost conversion stage (e.g., in parallel with the PFC circuitry 24) given that its output nodes D+, D- are already coupled to the battery via the PFC 14, as exemplified in Figure 7.
  • a second battery-charging unit 20 comprises an alternative configuration 22B of the EMI filter 22 connected to the PFC circuitry 24 and offers a two-phase AC charging and an AC charging in three-phase with neutral configuration, to support, for example, an unbalanced three-phase charging mode. This can facilitate a further filtering of the voltage and of noise on the current in the PFC circuitry 24A.
  • the switches RL1 , RL2, RL3, RL4, RL5, RL6 are configured to couple the node D3 of the EMI filter 28 coupled to the booster node HB to the output nodes of the PFC circuitry (by closing the fifth switch RL5 and the second set of switches RL6 and keeping the switches RL1 , RL2, RL3, RL4 open).
  • the further EMI filter 22F comprises input nodes P1 , P2, P3 and PN coupled to four branches H1 , H2, H3, H4, comprising halfbridges of switching transistors configured to be driven (e.g., via the control unit of the second charging unit 20, 20A) for supplying the rectified voltage to the output nodes D1 , D2, the PFC circuitry 24C moreover comprising a further inductance 246C set between the input node PN and a median point of the fourth branch H4.
  • such a set of circuit blocks 22D, 24A, 26A, 28 implemented in the second charging unit 20A may be made to operate in various modes, such as: in a first AC charging mode, where the socket supplies a singlephase power of approximately 7.4 kW (e.g., with the PFC circuitry 24 configured to supply 230 V at 32 A), the control circuitry 18 is configured to drive the switches RL1 , RL4 and RL5 so that they are switched ON (i.e., closed) and drive the switches RL2, RL3, RL6, as well as the contactors K5 and K6, so that they are switched OFF (i.e.
  • the system 100 exemplified in Figure 7 comprises the EMI filter 22E exemplified in Figure 12, the PFC circuitry 24B exemplified in Figure 14, the DC-DC converter 26A exemplified in Figure 11 , and the EMI output filter 28 exemplified in Figure 6.
  • One or more embodiments may facilitate compliance with a variety of EVSE standards, such as EMEA 7.4 kW, NA 7.6 kW, and EMEA 11 kW.
  • a way to reach a DC boost charging power of 50 kW using an 11 -kW reference OBCM implements in the second charging unit the circuit blocks 22F exemplified in Figure 13, the block 24C exemplified in Figure 15, the block 26A exemplified in Figure 11 , and the block 28 exemplified in Figure 6, where the PFC circuitry 24C is configured to manage, for example, a current of approximately 16 A for each branch H1 , H2, H3 (including the inductances 240, 242, 244), and a current of 32 A for the branch H4 and the inductance 246C.
  • the latter may be operated in a variety of modes, for example: in a first AC charging mode, single-phase EMEA 7.4 kW (e.g., corresponding to 230 VAC at 32 Arms), the control unit 18 is configured to drive the switches RL1 , RL4, RL5 so that they are switched ON (i.e., closed) and drive the switches RL2, RL3, RL6, RL7, as well as the contactors K5 and K6, so that they are switched OFF (i.e., opened); at the same time, the first coupling switch 200 is switched OFF, and the second coupling switch 202 is switched ON; in a second AC charging mode, single-phase NA 11 kW (e.g., corresponding to 240 VAC at 48 Arms), the control unit 18 is configured to drive the switches RL1 , RL4, RL5, RL6 so that they are switched ON (i.e., closed) and drive the switches RL2, RL
  • a BEV with an on-board battery equipped with electronic system 100 can be coupled (via a socket provided by the EVSE and coupled to the port 102 or 104) to the EVSE, even in the case where the battery B has a voltage rating higher than the one for which the EVSE is designed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

La présente invention concerne un système (100), comprenant : un port de charge (10) conçu pour être couplé à une station de charge (EVSE) de façon à recevoir la tension d'alimentation en c.a. ou la tension d'alimentation en c.c. à partir de celle-ci ; une première unité de charge (12), comprenant un nœud d'entrée c.c. positif (DC+) et un nœud d'entrée c.c. négatif (DC-) pour recevoir la tension d'alimentation c.c., la première unité de charge (12) comprenant en outre : un nœud de sortie c.c. positif (O+), un nœud de sortie c.c. négatif (O-) et un premier nœud survolteur (DB), ainsi qu'une batterie (B) ayant une borne de batterie positive (B+) et une borne de batterie négative (B-), le nœud survolteur (DB) étant couplé au nœud d'entrée c.c. positif (D+), un premier commutateur (K1) agencé entre la borne de batterie positive (B+) et le nœud de sortie c.c. positif (O+), un deuxième commutateur (K2) agencé entre la borne de batterie négative (B-) et le nœud de sortie c.c. négatif (O-), un troisième commutateur (K3) agencé entre le nœud d'entrée c.c. positif (DC+) et le nœud de sortie c.c. positif (O+) et un quatrième commutateur (K4) agencé entre le nœud d'entrée c.c. négatif (DC-) et le nœud de sortie c.c. négatif (O-) ; et une seconde unité de charge (20) comprenant des nœuds d'entrée c.a. (L1, L2, L3, N) couplés au port d'entrée c.a. (102) et des nœuds de sortie c.c. (HV+, HV-) couplés (1') aux nœuds de sortie c.c. (O+, O-) respectifs de la première unité de charge (12), le système comprenant en outre un ensemble circuit de commande (18), couplé aux premier (K1), deuxième (K2), troisième (K3) et quatrième (K4) commutateurs de la première unité de charge (12), l'ensemble circuit de commande (18) étant conçu pour faire fonctionner la première unité de charge et la seconde unité de charge d'une manière différente sur la base du fait que la tension d'alimentation c.c. reçue au niveau du port de charge a un premier niveau de tension ou un second niveau de tension inférieur audit premier niveau de tension.
PCT/IB2023/055502 2022-06-08 2023-05-30 Système de charge de véhicules électriques WO2023237962A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102022000012161 2022-06-08
IT202200012161 2022-06-08

Publications (1)

Publication Number Publication Date
WO2023237962A1 true WO2023237962A1 (fr) 2023-12-14

Family

ID=82943327

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2023/055502 WO2023237962A1 (fr) 2022-06-08 2023-05-30 Système de charge de véhicules électriques

Country Status (1)

Country Link
WO (1) WO2023237962A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018006409A1 (de) 2018-08-14 2019-03-07 Daimler Ag Energiewandler zum energietechnischen Koppeln eines Gleichspannungsbordnetzes mit einer Wechselspannungs- oder einer Gleichspannungsenergiequelle
CN112537216A (zh) * 2019-09-23 2021-03-23 通用汽车环球科技运作有限责任公司 双电压充电站和方法
WO2021169143A1 (fr) 2020-02-27 2021-09-02 深圳威迈斯新能源股份有限公司 Chargeur monté sur véhicule compatible avec une pile de charge à courant alternatif et une pile de charge à courant continu
US11165349B2 (en) 2019-03-20 2021-11-02 Alieva, Inc. Backward compatible battery DC charger and methods using an on-board charger

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018006409A1 (de) 2018-08-14 2019-03-07 Daimler Ag Energiewandler zum energietechnischen Koppeln eines Gleichspannungsbordnetzes mit einer Wechselspannungs- oder einer Gleichspannungsenergiequelle
US11165349B2 (en) 2019-03-20 2021-11-02 Alieva, Inc. Backward compatible battery DC charger and methods using an on-board charger
EP3942671A1 (fr) * 2019-03-20 2022-01-26 Atieva, Inc. Chargeur cc de batterie rétrocompatible et procédés faisant appel à un chargeur embarqué
CN112537216A (zh) * 2019-09-23 2021-03-23 通用汽车环球科技运作有限责任公司 双电压充电站和方法
US11203267B2 (en) 2019-09-23 2021-12-21 GM Global Technology Operations LLC Dual-voltage charging station and method
WO2021169143A1 (fr) 2020-02-27 2021-09-02 深圳威迈斯新能源股份有限公司 Chargeur monté sur véhicule compatible avec une pile de charge à courant alternatif et une pile de charge à courant continu

Similar Documents

Publication Publication Date Title
US10994623B2 (en) Apparatus for energy transfer using converter and method of manufacturing same
US20180254732A1 (en) A controller for an inductive load having one or more inductive windings
CN108312878A (zh) 一种车载复用充电机
CN102299535A (zh) 用于充电蓄电池设备的装置
KR20220029522A (ko) 단일단 교류 직류 변환기
US11811300B2 (en) Isolated converter
CN111645544A (zh) 一种具有有源滤波功能的插电式电动汽车集成充电系统
CN112224063B (zh) 能量转换装置、动力系统及车辆
US20240048058A1 (en) Switchable bidirectional power converter with single power factor correction circuit and on board charger therewith
WO2023237962A1 (fr) Système de charge de véhicules électriques
WO2023237963A1 (fr) Système de charge de véhicules électriques
CN112224038B (zh) 一种能量转换装置、动力系统及车辆
CN113141048A (zh) 车载充电机电路、车载充电器和电动汽车
CN103825349B (zh) 集成式功率变换器
WO2024028693A1 (fr) Système de charge de véhicules électriques
Singh et al. State-of-the-art Charging Solutions for Electric Transportation and Autonomous E-mobility.
CN220009477U (zh) 能量转换装置、动力系统和车辆
Karneddi et al. Onboard battery charging infrastructure for electrified transportation
CN219875184U (zh) 电机驱动电路及车辆
CN214215490U (zh) 车辆控制器和车辆
Hasseni et al. Integrated On-board Electric Vehicle Charging Systems: Topologies and Control

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 23732211

Country of ref document: EP

Kind code of ref document: A1