CN103249591A - 用于对牵引用电池充电的方法 - Google Patents
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- H—ELECTRICITY
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- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- 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
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- 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
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- B60L53/24—Using the vehicle's propulsion converter for charging
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- 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
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- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/40—Conversion of ac power input into dc power output without possibility of reversal by combination of static with dynamic converters; by combination of dynamo-electric with other dynamic or static converters
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- B60L2220/54—Windings for different functions
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- H02J2207/20—Charging or discharging characterised by the power electronics converter
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- 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]
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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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal 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
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal 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
- H02M7/219—Conversion of ac power input into dc power output without possibility of reversal 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 in a bridge configuration
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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
- H02P11/00—Arrangements for controlling dynamo-electric converters
- H02P11/06—Arrangements for controlling dynamo-electric converters for controlling dynamo-electric converters having an ac output
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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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Abstract
一种用于借助外部的交流电网、尤其是三相电网对牵引用电池(2)、尤其是机动车辆的牵引用电池充电的方法,其中,待充电的牵引用电池(2)经由逆变器(3)与电交变场机(4)耦接,其中,交流电网能与交变场机(4)的相绕组(L1、L2、L3)接通,其中,交变场机(4)的转速在第一步骤中与交流电网的电网频率同步;其中,在第二步骤中交流电网与交变场机(4)的相绕组(L1、L2、L3)接通,并且与交变场机(4)电耦接的逆变器(3)作为升压转换器来运行。
Description
技术领域
本发明涉及一种根据权利要求1的前序部分所述的用于对牵引用电池充电的方法。
背景技术
在现有技术中例如由文献DE196 52 950A1或文献EP0 849 112A1公知如下,即,牵引用电池借助机动车辆的接到外部的交流电压源或三相电流源上的车载驱动***来充电。在此,驱动***的逆变器用作向电池方的升压转换器。在异步电机用作驱动机组的情况下,该异步电机为了避免高无功功率需求而在充电过程中处于静止并能够例如借助合适的绕组抽头有利地用于降低电网电压,也就是说不损害电池。异步电机的短路的转子绕组或短路式转子借助开关来打开以便对电池充电。
现有技术中所提出的布置方案的缺点在于,必须设置开关,为了对牵引用电池充电,这些开关中断仍旧短路的转子绕组。这种功率开关引起附加的成本和重量。
发明内容
由此出发,本发明的任务是克服上面所描述的现有技术的缺点并提出一种用于对牵引用电池充电的方法,该方法使省去这种开关成为可能。
该任务根据本发明通过权利要求1所述的特征来解决。
根据本发明提出了一种用于借助外部的交流电网、尤其是三相电网对牵引用电池、尤其是机动车辆的牵引用电池充电的方法,其中,待充电的牵引用电池经由逆变器与电交变场机耦接,其中,交流电网能与交变场机的相绕组接通,其中,交变场机的转速在第一步骤中与交流电网的电网频率同步;其中,在第二步骤中交流电网与交变场机的相绕组接通,并且与交变场机电耦接的逆变器作为升压转换器来运行。在此,相绕组尤其是交变场机的馈电相绕组。
根据依据本发明的方法的一个方面,在以同步为目的的第一步骤中,逆变器驱动交变场机或者说为交变场机馈电,尤其是借助牵引用电池来驱动交变场机或者说为交变场机馈电。
根据依据本发明的方法的另一方面,逆变器在第二步骤中向牵引用电池方作为升压转换器来工作。
根据依据本发明的方法的又一方面,交变场机在第一步骤之前与传动系、尤其是机动车辆的传动系分离,此外,尤其是借助于分离离合器来分离。
根据本发明,还提出了一种方法,其中,电交变场机在第一步骤之后以空转的方式运行。
根据本发明,又提出了一种方法,其中,电交变场机构造为异步电机,尤其是具有呈三角形接线的相绕组的异步电机。
根据依据本发明的方法的一个方面,交流电网在同步点与相绕组接通,尤其是借助同步装置和/或接通装置。
根据依据本发明的方法的另一方面,在第二步骤中,尤其是借助相绕组上的绕组抽头,至少暂时地以相对于电网电压降低了的电压从交变场机对逆变器进行馈电。
根据依据本发明的方法的又一方面,降低了的电压的峰值处于牵引用电池的电池电压之下。
根据本发明还提出了一种用于执行根据本发明的方法的尤其是用于机动车辆的装置。
本发明的其他特征和优点从以下参照示出本发明的重要细节的附图的图示对本发明的实施例的说明和从权利要求中得到。在本发明的变型方案中,单个的特征可以单独地或多个地以任意组合的方式来实现。
附图说明
下面参照附图更为详细地阐述了本发明示例性的实施形式。其中:
图1示例性地示出了根据本发明的一个可能的实施形式的用于执行根据本发明的方法的装置;以及
图2示例性地示出了根据本发明的另一可能的实施形式的用于执行根据本发明的方法的装置。
在下面的附图说明中,相同的元件或功能设有相同的附图标记。
具体实施方式
图1和图2分别示例性地示出了根据本发明的用于对电池或牵引用电池2充电的装置1,构造该装置用于执行根据本发明的方法。牵引用电池2在此情况下尤其为装置1的组成部分。
待充电的牵引用电池2例如形成为可重复充电的电池或蓄电池,例如借助一个或多个电池单元形成。形成牵引用电池2的电池单元例如可以并联或串联地联接在一起,其中,这些电池单元例如具有共同的输出端。替选地,代替牵引用电池2根据本发明例如可以借助装置1对其他能量存储元件充电,例如超级电容器。
牵引用电池2借助或经由装置1的逆变器3与装置1的电交变场机4尤其是感应式电机以及此外尤其与异步电机耦接或作用连接。异步电机4尤其形成为短路式转子异步电机4,优选带有鼠笼型转子。
逆变器3尤其是为了如下目的而设置为脉冲逆变器,即,为了驱动而适当地馈送或激励电交变场机4,例如利用PWM,并且例如将待从电交变场机4回收的能量适当地回馈至牵引用电池2中。尤其与控制装置(未示出)配合作用的逆变器3在此情况下以常规方式借助多个桥支路形成,例如借助B6电桥形成。在每个桥支路中布置有两个开关,例如MOSFET或IGBT以及各一个反并联地配属给相应开关的续流二极管。
逆变器3(通过每个桥支路的开关之间的桥中点)与交变场机4电耦接。为此,逆变器3在交流电压侧与交变场机4的为了交变场机4的馈电而设置的相绕组L1、L2、L3导电地连接或能导电地连接,其中,相绕组尤其为交变场机4的定子的相绕组L1、L2、L3。相绕组L1、L2、L3在此情况下为馈电相绕组(Speisestrangwicklungen),通过馈电相绕组设置有用以运行或驱动交变场机4的能量馈给装置。
逆变器3例如通过连接线路u、v、w尤其是分别与相应的相绕组L1、L2、L3的联接端子4a、4b、4c耦接(图1),或者例如与分别在相绕组L1、L2、L3上的绕组抽头4c、4d、4e耦接(图2)。在异步电机4的情况下,逆变器3尤其与呈三角形接线的相绕组L1、L2、L3耦接,也就是与异步电机4的定子绕组耦接。
在本发明的范围中,牵引用电池2、逆变器3以及电机4尤其相应地为特别是机动车辆的电驱动***例如混合驱动***的一部分。
根据本发明,装置1设计为与外部的交流电网、尤其是三相电网连接,以便对牵引用电池2充电。这样的交流电网例如可以向能量供给装置5例如充电桩提供能量,其中,这样的能量供给装置5尤其是固定地为外部的交流电网尤其是三相电网准备。交流电网的能供给的电压例如可以为230V或例如400V。
为了尤其根据本发明地与固定的能量供给装置5或供能量供给装置5使用的交流电网连接,装置1例如具有开关或接通装置6,其具有用于与外部的能量供给装置6或外部的交流电网连接的电输入端6a并且开关或接通装置6在输出侧也就是在电输出端6b与交变场机4的相绕组L1、L2、L3电耦接或能电耦接,即,导电地连接或能导电地连接。
接通装置6能够实现选择性地中断其输入端6a与输出端6b之间的电连接,也就是说将与输入端6a连接的外部的交流电网与交变场机4接通,即,与其相绕组L1、L2、L3接通,以及将交流电网与相绕组L1、L2、L3断开。外部的交流电网在与相绕组L1、L2、L3接通时尤其与联接端子4a、4b、4c联接(图1和图2)。
接通装置6根据本发明尤其同样为驱动***的组成部分,然而也可以例如与驱动***分开地形成。开关过程通过接通装置6例如借助至少一个尤其是电激励的保护装置来执行。
在根据本发明的方法中(该方法能利用上述装置1来执行)规定如下,即,交变场机4的转速或频率在第一步骤中与交流电网的电网频率同步,即交变场机4处于使转子转动的运行中。为此,借助逆变器3适当地激励交变场机4,例如利用PWM来激励。
为了同步的目的,例如借助例如接通装置6的并联装置形式的同步装置7来探知交流电网的和交变场机4的各种参数并进行相互比较,即,至少将交变场机4的或其转子的转速或频率与交流电网的电网频率进行比较。交变场机4的馈电在同步期间借助牵引用电池2尤其是待充电的牵引用电池2来进行。
通过交变场机4与交流电网的或三相电网的电网频率的同步,交变场机4在交流电网接通或接入交变场机4的相绕组L1、L2、L3时也就是在开始根据本发明的第二步骤时随即无转矩地即空转地借助外部的交流电网来运行,交变场机4与例如机动车辆的传动系的分离例如借助分离离合器特别是相应地在所述同步之前进行。此外,通过交变场机4根据本发明地以例如50Hz的电网频率同步转动,交变场机4的无功功率需求能够保持在低的或最小的水平,尤其是在第二步骤中对牵引用电池2充电的持续时间期间。
按照根据本发明的第二步骤,交流电网与相绕组L1、L2、L3的接通优选在同步点也就是说在如下时刻进行,即,在该时刻,交变场机4的和交流电网的相比较的参数以所期望的一致性来调节。尤其在同步点时或在进行交变场机4的转速与电网频率的同步时,外部的交流电网与交变场机4接通例如并联(图1),尤其是通过接通开关装置6的方式,即,开关装置6的输出端6b和输入端6a导电地连接。
在交变场机4与外部的交流电网接通之后,逆变器3现在根据本发明作为升压转换器也就是向牵引用电池方作为升压转换器地工作。在此,变换至升压转换器工作方式由控制装置引起,该控制装置尤其与接通装置6配合作用。
根据本发明还规定如下,即,降低或可以降低外部的电网电压以避免牵引用电池2的损坏,也就是在对牵引用电池2充电时从交变场机4为逆变器3提供相对于外部的电网电压较低的交流电压,其中,交流电网的交流电压向下地变换到牵引用电池电压之下的峰值。
为此,有利地使用交变场机4的相绕组L1、L2、L3,它们尤其是异步电机4的定子侧的相绕组。例如,逆变器3有利地与相绕组L1、L2、L3上的分接头或绕组抽头4d、4e、4f连接或电耦接,即,与各绕组L1、L1、L3的各绕组抽头4d、4e、4f连接或电耦接。在此,交变场机4用作自耦变压器(图2)。对电网电流的有利的平滑在此可以通过漏电感来实现。
这样,在第二步骤中从交变场机4为逆变器3馈送或供给相对于交流电网电压降低了的电压,其中,至少暂时地设置有电压降低。电压降低也可以替选地例如借助第二电流隔离的定子绕组来进行,其中,电压降低通过绕组比来实现。
在根据本发明的方法中,在逆变器3的升压转换器运行中,同步地一起转动的交变场机4“以近似发电机的方式”有利地支持外部的交流电网。这能够实现牵引用电池2的稳定且快速的充电过程。如现有技术中那样的开关是不必要的。
附图标记
1 用于对牵引用电池充电的装置
2 牵引用电池
3 逆变器
4 交变场机
4a、4b、4c 相绕组的联接部
4d、4e、4f 绕组抽头
5 外部的能量供给装置
6 接通装置
6a 6的输入端
6b 6的输出端
7 同步装置
u、v、w 连接线路
L1、L2、L3 相绕组
Claims (10)
1.一种用于借助外部的交流电网、尤其是三相电网对牵引用电池(2)、尤其是机动车辆的牵引用电池充电的方法,其中,待充电的牵引用电池(2)经由逆变器(3)与电交变场机(4)耦接,其中,所述交流电网能与所述交变场机(4)的相绕组(L1、L2、L3)接通,其特征在于,所述交变场机(4)的转速在第一步骤中与所述交流电网的电网频率同步;在第二步骤中所述交流电网与所述交变场机(4)的相绕组(L1、L2、L3)接通,并且与所述交变场机(4)电耦接的逆变器(3)作为升压转换器来运行。
2.根据权利要求1所述的方法,其特征在于,在以同步为目的的第一步骤中,所述逆变器(3)驱动所述交变场机(4)或为所述交变场机馈电,尤其是借助所述牵引用电池(2)来驱动所述交变场机(4)或为所述交变场机馈电。
3.根据上述权利要求之一所述的方法,其特征在于,所述逆变器(3)在所述第二步骤中向所述牵引用电池(2)方作为升压转换器来工作。
4.根据上述权利要求之一所述的方法,其特征在于,所述交变场机(4)在所述第一步骤之前与传动系、尤其是机动车辆的传动系分离,此外,尤其是借助于分离离合器来分离。
5.根据上述权利要求之一所述的方法,其特征在于,所述交变场机(4)在所述第一步骤之后以空转的方式运行。
6.根据上述权利要求之一所述的方法,其特征在于,所述交变场机(4)构造为异步电机,尤其是具有呈三角形接线的相绕组(L1、L2、L3)的异步电机。
7.根据上述权利要求之一所述的方法,其特征在于,所述交流电网在同步点与所述相绕组(L1、L2、L3)接通,尤其是借助同步装置(7)和/或接通装置(6)。
8.根据上述权利要求之一所述的方法,其特征在于,在所述第二步骤中,尤其是借助相绕组(L1、L2、L3)上的绕组抽头(4d、4e、4f),至少暂时地以相对于电网电压降低了的电压从所述交变场机(4)对所述逆变器(3)进行馈电。
9.根据权利要求8所述的方法,其特征在于,所述降低了的电压的峰值处于所述牵引用电池(2)的电池电压之下。
10.一种用于执行根据上述权利要求之一所述的方法的装置。
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DE102010062376A DE102010062376A1 (de) | 2010-12-03 | 2010-12-03 | Verfahren zum Laden einer Traktionsbatterie |
PCT/EP2011/069544 WO2012072378A1 (de) | 2010-12-03 | 2011-11-07 | Verfahren zum laden einer traktionsbatterie |
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EP (1) | EP2646275B1 (zh) |
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Cited By (2)
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CN114701375A (zh) * | 2021-11-12 | 2022-07-05 | 上海汽车集团股份有限公司 | 一种电动汽车充电***及电动汽车 |
CN114734831A (zh) * | 2022-03-24 | 2022-07-12 | 华为电动技术有限公司 | 一种升压充电的控制装置及控制方法 |
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DE102011121486B4 (de) * | 2011-12-16 | 2020-12-17 | Audi Ag | Kraftfahrzeug mit einer Vorrichtung zur Erzeugung eines dreiphasigen Drehwechselstroms aus einem ein- oder zweiphasigen Wechselstrom |
FR3002384B1 (fr) * | 2013-02-21 | 2016-08-19 | Valeo Systemes De Controle Moteur | Architecture electrique pour la conversion d'une tension continue en une tension alternative, et reciproquement |
WO2016011656A1 (zh) * | 2014-07-25 | 2016-01-28 | 中山大洋电机股份有限公司 | 电动汽车驱动与充电集成控制方法及其应用的电动汽车 |
DE102018203134A1 (de) * | 2018-03-02 | 2019-09-05 | Zf Friedrichshafen Ag | Antriebsvorrichtung mit Transformationsfunktion, Antriebssystem und Verfahren zum Betreiben einer Antriebsvorrichtung |
CN111347901A (zh) * | 2018-12-21 | 2020-06-30 | 比亚迪股份有限公司 | 一种车辆、充电装置、电机控制电路 |
FR3094926B1 (fr) * | 2019-04-12 | 2021-05-07 | Valeo Siemens Eautomotive France Sas | Chargeur bidirectionnel sans fil |
DE102021214699A1 (de) | 2021-12-20 | 2023-06-22 | Zf Friedrichshafen Ag | Kraftfahrzeug |
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US9327605B2 (en) | 2016-05-03 |
US20130234665A1 (en) | 2013-09-12 |
EP2646275B1 (de) | 2014-12-17 |
DE102010062376A1 (de) | 2012-06-06 |
WO2012072378A1 (de) | 2012-06-07 |
EP2646275A1 (de) | 2013-10-09 |
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