CN111376758A - 电动车辆系统 - Google Patents

电动车辆系统 Download PDF

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CN111376758A
CN111376758A CN201911390250.XA CN201911390250A CN111376758A CN 111376758 A CN111376758 A CN 111376758A CN 201911390250 A CN201911390250 A CN 201911390250A CN 111376758 A CN111376758 A CN 111376758A
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stage
link
vehicle
battery
power
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J·A·恩格尔
S·S·格伯
A·M·赖斯
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Dr Ing HCF Porsche AG
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Mahle International GmbH
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    • 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
    • B60L1/04—Supplying electric power to auxiliary equipment of vehicles to electric heating circuits fed by the power supply line
    • 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
    • B60L53/20—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 converters located in the vehicle
    • 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
    • B60L53/20—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 converters located in the vehicle
    • B60L53/22—Constructional details or arrangements of charging converters specially adapted for charging electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/27—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
    • B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
    • 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
    • H02J1/00—Circuit arrangements for dc mains or dc distribution networks
    • H02J1/10—Parallel operation of dc sources
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—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
    • H02J1/12—Parallel operation of dc generators with converters, e.g. with mercury-arc rectifier
    • 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
    • H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B1/00—Details of electric heating devices
    • H05B1/02—Automatic switching arrangements specially adapted to apparatus ; Control of heating devices
    • H05B1/0227—Applications
    • H05B1/023—Industrial applications
    • H05B1/0236—Industrial applications for vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2210/00—Converter types
    • B60L2210/10—DC to DC 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
    • 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]
    • 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
    • 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
    • H02J7/04—Regulation of charging current or voltage
    • H02J7/06—Regulation of charging current or voltage using discharge tubes or semiconductor devices

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Dc-Dc Converters (AREA)

Abstract

一种电动车辆系统，包括具有整流输入端子的DC/DC转换器级(21)，该整流输入端子接收来自AC功率输入的整流输入。该系统也包括车辆电池(4)，该车辆电池(4)经由整流输入端子与DC/DC转换器级(21)之间的第一链路(30)接收来自DC/DC转换器级(21)的功率输出。第二链路(24)连接至第一链路(30)以及车辆设备(8、16)。

Description

电动车辆系统
技术领域
本发明涉及电动车辆，并且特别适用于向加热器以及其他车辆组件/设备/系统提供功率的电路。
背景技术
通常地，电动车辆包括具有标称固定电压的电池。此类电池可以标称地具有不同的标准电压水平，例如12V或24V。该电池通常需要从AC 电源充电。AC电源经滤波并且整流，经过DC/DC滤波器以提供适当的电压，并且通常在为电池充电之前被滤波。
通常地，此类车辆包括加热器，其需要从冷启动或者电容器组/大容量电容器加热例如电池。经由电池通过功率驱动器以及设计复杂且成本相对高昂的其他级为此类加热器或其他车辆设备供电。此外，电路的体积以及重量较大。
本发明的目的在于提供具有较低复杂性以及成本的改进的电路。本发明的目的在于提供例如加热器以及其他设备的电源中改进的灵活性以及使用最少组件的稳定性。
发明内容
在一个方面中，提供了电动车辆系统，包括：DC/DC转换器级，该DC/DC转换器级包括整流输入端子，该整流输入端子被适配用于接收来自AC功率输入的整流输入；包括车辆电池，该车辆电池被适配用于经由所述整流输入端子与所述DC/DC转换器级之间的第一链路接收来自所述DC/DC转换器级的功率输出；并且进一步包括第二链路，该第二链路连接至所述第一链路，并且所述第二链路连接至车辆设备。
该系统可被适配，由此使得能够经由所述第一以及第二链路，从整流输入提供功率或经由DC/DC转换器级从车辆电池提供功率。
所述第二链路可经由至少一个进一步级将所述第一链路连接至所述车辆设备。
所述车辆组件可以是加热器。
该系统可包括电容器组，所述电容器组连接至所述第一链路。
所述电容器组可被连接至所述车辆设备或所述至少一个进一步级。
该系统可被适配用于从所述电容器组向所述车辆组件供应功率。
所述至少一个进一步级是双向变压器或升降压电路。
所述加热器可以是电池加热器或电容器组加热器。
所述DC/DC转换器级可以是双向的，由此使得其被适配用于允许功率从所述整流输入端子流向所述电池，并且也从所述电池经由所述链路流向所述车辆设备。
该系统可包括滤波器级，该滤波器级定位于所述车辆电池与所述DC/DC转换器级之间。
术语“链路”可被解释为电连接。
附图说明
现在参照附图通过示例的方式来描述本发明，其中：
图1以及图2示出了现有技术电动车辆系统；并且
图3以及图4示出了根据本发明的示例的电动车辆系统。
具体实施方式
图1示出了当前的电路布置，其中功率由在左侧示出的AC电网电源(外部电源)供应，以为车辆电池4充电。AC电源经过滤波以及整流级1，进入连接至电容器组(大容量电容器)12的网络，并且也被馈送至DC/DC(转换器)级2。该级提供将来自该级的电压输出调整为电池4的电压。DC/DC转换器级2的输出流向可选的滤波器3并且随后经由线缆10流向车辆电池4。应当注意的是，在下述示例并且包括本发明的示例中，整流级1可以在车辆的外部并且是充电站的一部分。
用于电池或其他系统的加热器通常经由电池充电。出于此目的，提供了从电池(和/或来自滤波器3的输出)到滤波器5并且随后到第一功率驱动器级6的链路9。来自第一功率驱动器级6的功率随后被馈送至级7，其可被视作实际加热器设备的一部分并且向电池的加热系统8提供热量。滤波器3以及5可以是共用的。级7以及加热系统8可被考虑为一同提供加热功能的单个块。第一功率驱动器级6为电池提供调节以及调光功能，例如，以降低电压峰值(例如，在纹波中)。在一些情况下，可能存在不同的电池电压选项，因此第一功率驱动器级6也需要考虑这一点。
通常地，电动车辆具有高容量电容器组12。也可经由网络经由电源(main)为电容器充电。实际上，存在一个接合点，在该接合点处来自整流级1的经滤波并且整流的电压经由预充电器/调节器11被提供至DC/DC转换器级2以及电容器组12，该预充电器/调节器11提供了电容器组12的缓慢斜升，以用于例如最小化损耗。
图2也示出了另一现有技术系统，其与图1相似，并且相同的附图标记指代相同的组件。提供了来自电池或滤波器3的输出并且被馈送至进一步滤波器17的链路13。来自该链路13的输出随后流向第一DC/DC转换器级14并且随后流向第二转换器级15，并且向系统/设备16提供电压。第一DC/DC转换器级14以及第二转换器级15中的一个或其二者可包括隔离级。第一DC/DC转换器级14以及第二转换器级15被示出为串联，但也可并联，或被视为单个多功能块。该两个级的原因为动态原因。这对于成本、重量、体积以及效率是不利的。第一DC/DC转换器级14以及第二转换器级15 以及滤波器17包括复杂并且庞大的电路。同样，这些级中的至少一个需要为电池提供调节以及调光功能，以用于例如降低电压峰值(例如，在纹波中)。在一些情况下，可能存在不同的电池电压选项，因此这些级也可能需要考虑这一点。
图3示出了发明的示例。该电路能够替代图1的电路。
同样，从AC电网电源获取功率并且功率流向滤波以及整流级1，流入网络/连接，使得输出流向电容器组12。整流级1的输出被馈送至DC/DC 转换器级21，其与图1中的DC/DC转换器级2是相同的；该DC/DC转换器级 21的输出可选地经由可选的滤波器模块3被供应至车辆电池4。DC/DC转换器级21如上文所描述的将来自整流级1的电压调整为电池的电压。线缆/连接 28在滤波器3与电池4之间定位，提供至电池4的连接。此外，在滤波器模块3与DC/DC转换器级21之间提供了链路29，链路28以及29均为双向的。
链路30提供了整流级1的输出与DC/DC转换器级21的输入侧之间的连接，以及整流级1的输出与电容器组12之间的连接。
提供了进一步链路24，该进一步链路24可以是通用网络/接合点的一部分，并且连接至链路/连接30，进一步链路24将整流级1的输出以及DC/DC转换器级21的输入侧(例如，经由链路30)连接至用于加热器级26以及加热系统8的其他组件的功率驱动器级25。同样，加热器级26以及加热系统8可被集成为单个加热系统。
加热器级26可以是现有技术中的级7的简化版本。因为DC/DC 转换器21对充电器路径(1、21、3)以及加热器路径(调整电压水平并且减小功率驱动器级25处预期的动态范围)而言是共用的，因此简化了功率驱动器级25以及加热器级26的设计。
功率驱动器级25能够由此接收来自AC电源或来自DC/DC转换器级21的输入侧的来自电池4的输入/功率。功率驱动器级25将功率馈送至加热器7。电容器组12与功率驱动器级25之间也存在可选的直接链路(连接)31。
上文中的电路意味着能够从电池或整流级1的输出直接向加热器提供功率。此外，可利用替代图1的滤波器5以及第一驱动器级6的相对简单的电路来提供功率驱动器级25。功率驱动器级25的电路基本上可以是基本开关，并且提供可选的安全功能。
DC/DC转换器级21对于充电器路径(1、21、3)以及加热器路径 (21、24、25、26、8)而言是共用的，并且提供电压水平的必要调整，并且减小电路驱动器级25处期望的动态范围。
本解决方案的主要属性在于节省了空间、重量以及成本。取决于功能安全性方面，级的控制可以是共用的，或者是分开的，出于EMC的原因，控制频率可以是同步的或者是不同步的。
图4示出了根据一个方面的电路的进一步示例。同样，该电路能够替代图2的电路。该电路与图3相似，并且相同的附图标记指代相同的组件。
同样，从AC网格电源处获取功率，并且该功率流向滤波以及整流级1，流入网络30，该网络30包括电容器组12(因此整流器级1的输出被馈送至电容器组12)。整流器级1的输出被馈送至DC/DC转换器级 21，DC/DC转换器级21的输出经由可选的滤波器模块3被馈送至车辆电池4。DC/DC转换器级21如上文所描述的将来自整流级1的电压调整为电池4 的电压。线缆/连接28在滤波器模块3与电池4之间定位，提供至电池4的连接。此外，在滤波器模块3与DC/DC转换器级21之间提供了链路29，链路28 以及29均为双向的。
链路30提供了整流级1的输出与DC/DC转换器级21的标称输入侧之间的连接，以及整流级1的输出与电容器组12之间的连接。
提供了进一步链路24，本次该进一步链路24将整流级1的输出以及可选的DC/DC转换器级21的标称输入侧(例如，经由链路30)连接至DC/DC转换器级40。DC/DC转换器级40的输出随后在向车辆组件/设备16 供应输出之前被发送至可选的滤波器41。
电容器组12与DC/DC转换器级40之间也存在可选的直接链路 (连接)31。
同样，双向链路28、29、30意味着向组件/设备42的功率可从电池经由DC/DC转换器级21提供，并且也可从整流器级1的输出(来自AC电源)提供。
以如下布置提供DC/DC转换器级40以及滤波器41，该布置使得DC/DC转换器级21对于充电器路径(1、21、3)以及转换器路径(3、21、 24、40、41)而言是共用的，并且这些级调整电压水平，并且减小DC/DC转换器级40处预期的动态范围。DC/DC转换器级40的功能块也可包括开关，该开关管理链路24上的电容器组12。这使得能够创造例如在车辆启动时所需的快速电压升高，以及需要额外的电容器12的操作模式所需要的控制充电操作。
本解决方案的主要属性在于节省了空间、重量以及成本。取决于功能安全性方面，级的控制可以是共用的，或者是分开的，出于EMC的原因，控制频率可以是同步的或者是不同步的。
DC/DC转换器级40可以是双向变压器或电流耦合的升降压电路。它可以是单极，或者是双极并且具有中心点。这可以在不改变本理念的基础上演变以创建冗余输出级。

Claims (11)

1.一种电动车辆系统，包括：
DC/DC转换器级(21)，所述DC/DC转换器级(21)包括整流输入，所述整流输入被适配用于经由第一链路(30)接收来自AC功率输入的整流AC输入；
车辆电池(4)，所述车辆电池(4)被适配用于接收来自所述DC/DC转换器级(21)的功率输出；以及
第二链路(24)，所述第二链路(24)连接至所述第一链路(30)，所述第二链路(24)连接至车辆设备(8、16)。
2.根据权利要求1所述的系统，其特征在于，所述系统被适配用于经由所述第一链路(30)以及所述第二链路(24)，从所述AC功率输入提供功率或从所述车辆电池(4)经由所述DC/DC转换器级(21)提供功率。
3.根据权利要求1所述的系统，其特征在于，所述第二链路(24)将所述第一链路(30)经由至少一个进一步级(25、40)连接至所述车辆设备(8、16)。
4.根据权利要求3所述的系统，其特征在于，所述系统包括电容器组(12)，所述电容器组(12)被连接至所述车辆设备(8、16)或所述至少一个进一步级(25、40)。
5.根据权利要求4所述的系统，其特征在于，所述系统被适配用于将功率从所述电容器组(12)供应至所述车辆设备。
6.根据权利要求3所述的系统，其特征在于，所述至少一个进一步级(25、40)是双向变压器或升降压电路。
7.根据权利要求1所述的系统，其特征在于，所述车辆设备(8、16)是加热器。
8.根据权利要求7所述的系统，其特征在于，所述加热器是电池加热器或电容器组加热器。
9.根据权利要求1所述的系统，其特征在于，所述系统包括电容器组(12)，所述电容器组(12)连接至所述第一链路(30)。
10.根据权利要求1所述的系统，其特征在于，所述DC/DC转换器级(21)是双向的，由此使得其被适配用于允许功率从所述整流输入流向所述车辆电池(4)，并且也允许功率经由所述第一链路(30)以及所述第二链路(24)从所述车辆电池(4)流向所述车辆设备(8、16)。
11.根据权利要求1所述的系统，其特征在于，所述系统包括滤波器级(3)，所述滤波器级(3)定位于所述车辆电池与所述DC/DC转换器级(21)之间。
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