CN103354975B - 具有电励磁机的系统 - Google Patents
具有电励磁机的系统 Download PDFInfo
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- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0025—Sequential battery discharge in systems with a plurality of batteries
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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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/51—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells characterised by AC-motors
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- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0024—Parallel/serial switching of connection of batteries to charge or load circuit
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- 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
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
- H02J7/1469—Regulation of the charging current or voltage otherwise than by variation of field
- H02J7/1492—Regulation of the charging current or voltage otherwise than by variation of field by means of controlling devices between the generator output and 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
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/483—Converters with outputs that each can have more than two voltages levels
- H02M7/4835—Converters with outputs that each can have more than two voltages levels comprising two or more cells, each including a switchable capacitor, the capacitors having a nominal charge voltage which corresponds to a given fraction of the input voltage, and the capacitors being selectively connected in series to determine the instantaneous output voltage
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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
- H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
- H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
- H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/483—Converters with outputs that each can have more than two voltages levels
- H02M7/49—Combination of the output voltage waveforms of a plurality of converters
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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
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
- H02P25/022—Synchronous motors
- H02P25/024—Synchronous motors controlled by supply frequency
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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
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/14—Electronic commutators
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- 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
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- 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
- H02J2300/00—Systems for supplying or distributing electric power characterised by decentralized, dispersed, or local generation
- H02J2300/20—The dispersed energy generation being of renewable origin
- H02J2300/28—The renewable source being wind energy
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- 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]
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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
- H02P2209/00—Indexing scheme relating to controlling arrangements characterised by the waveform of the supplied voltage or current
- H02P2209/01—Motors with neutral point connected to the power supply
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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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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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
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- Y02T10/60—Other road transportation technologies with climate change mitigation effect
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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
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- Y02T10/60—Other road transportation technologies with climate change mitigation effect
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
Abstract
本发明涉及一种系统,其具有n相外激励电机(1)和可控的第一储能器(2),其中n≥1,所述可控的第一储能器(2)具有n个并行的能量供给分支(2a,2b,2c),其中能量供给分支(2a,2b,2c)中的每一个具有第一接线端子(3a,3b,3c)和第二接线端子(4a,4b,4c),所述第一接线端子分别与电机(1)的相接线端子(1a,1b,1c)连接,并且所述第二接线端子分别与共同的参考汇流排(9)连接,其中所述参考汇流排(9)经由电机(1)的励磁绕组(11)与电机(1)的星形点(10)连接。
Description
技术领域
本发明涉及一种具有电励磁机的系统,其借助于可控的第一储能器来控制并且被供给电能,以及本发明涉及一种用于运行根据本发明的系统的方法。
背景技术
展示出,在未来既在例如风力发电设备的静态应用中也在如混合动力汽车或电动汽车的汽车中越来越多地采用将新的储能器技术与电驱动技术相组合的电子系统。在常规应用中,例如在图1中所示的那样,例如实施为感应式电机的电机101经由脉冲逆变器102形式的变换器被控制。对于这种系统表征性的是所谓的直流电压中间回路103,储能器104、一般是牵引电池经由该直流电压中间回路连接到脉冲逆变器102的直流电压侧。为了能够满足针对相应的应用所给出的对于功率和能量的要求,将多个电池单元105串联。因为由这种储能器104提供的电流必然流经所有的电池单元105并且一个电池单元105仅能传导有限的电流,常常附加地并联电池单元,以便提高最大电流。
多个电池单元的串联除了高的总电压以外随之带来如下问题,即当唯一的电池单元失灵时,整个储能器也失灵,因为由此电池电流不再能够流动。储能器的这种失灵可以导致总系统的失灵。在汽车中,驱动电池的失灵可导致汽车“卡住”。在其他应用中,例如风力发电设备的转子叶片调整,可能在不利的框架条件、例如强风的情况下甚至导致危及安全的状况。因此始终致力于储能器的高可靠性,其中用“可靠性”来表示系统在预先给定的时间内无故障工作的能力。
在较早的申请DE 102010027857.2和DE 102010027861.0中描述了具有多个电池模块支路的电池,这些电池模块支路可直接连接到电机上。电池模块支路在此具有多个串联的电池模块,其中每个电池模块具有至少一个电池单元和所分配的可控的耦合单元,该耦合单元允许根据控制信号中断相应的电池模块支路或者跨接分别分配的至少一个电池单元或者将分别分配的至少一个电池单元接通到相应的电池模块支路中。通过例如借助于脉宽调制适当地操控耦合单元,还可以提供用于控制电机的适当的相信号,使得可以放弃单独的脉冲逆变器。控制电机所需的脉冲逆变器因此可以说被集成到电池中。出于公开的目的,这两个较早的申请全面地结合到本申请中。
与传统的系统不同,在电池系统的输出端处不提供恒定的、例如能够用于为外激励电机的励磁绕组馈电的直流电压。
发明内容
本发明根据一个实施方式提供一种系统,该系统具有n相外激励电机,其中n≥1;可控的第一储能器,其具有n个并行的能量供给分支,其中能量供给分支中的每一个具有第一接线端子和第二接线端子,所述第一接线端子分别与电机的相接线端子连接,并且所述第二接线端子分别与共同的参考汇流排连接,其中所述参考汇流排经由电机的励磁绕组与电机的星形点连接。
本发明根据另一实施方式提供一种用于运行具有n相外激励电机和可控的第一储能器的系统的方法,其中n≥1,所述可控的第一储能器具有n个并行的能量供给分支。所述方法包括如下步骤:在能量供给分支的每一个处提供直流电压分量;将直流电压分量馈入到n相电机的相接线端子中;以及用馈入到相接线端子中的直流电压分量馈送电机的励磁绕组以在电机中生成激励场。
本发明的优点
本发明的构思是,经由电机的星形点馈送外激励电机的励磁绕组。由此可以在电机内进行励磁绕组与星形点的接线,使得在根据本发明的系统中不再需要外部的发动机接线端子。运行电机所需的全部部件在此已经在储能器模块中存在,从而不需要另外的部件来馈送励磁绕组。
本发明的另一构思是,通过简单地操控能量供给分支中的储能器模块改变电机的星形点中的电势,以便能够改变通过电机的励磁绕组的电流并且因此改变对电机的激励。操控方法可以通过简单方式集成到用于操控电机的定子绕组的现有操控方案中。
根据一个有利的实施方式,系统可以在n个并行的能量供给分支的每一个中具有至少两个串联的储能器模块,所述储能器模块分别包括至少一个电储能器单元与所分配的可控的耦合单元。所述耦合单元在此可以构造为全桥电路或半桥电路,这是根据是否期望能量供给分支中的电流方向逆转来决定的。串联的储能器模块中的一部分可以经由耦合单元被控制为,使得在能量供给分支的每一个中在所输出的供给电压上施加直流电压分量。该直流电压分量于是可以经由电机的相接线端子和星形点被馈入到励磁绕组中。由此可以多级地改变星形点中的电势。通过对应地以节拍方式控制至少一个储能器模块,也可以无级地调整星形点处的电势。
本发明的实施方式的其他特征和优点参照附图从以下描述中得出。
附图说明
图1示出具有根据现有技术的电机的系统的示意图,
图2示出具有电机和可控储能器的系统的示意图,
图3示出根据本发明的一个实施方式的具有电机和可控储能器的系统的示意图,
图4示出根据本发明的另一实施方式的具有电机和可控储能器的系统的示意图。
具体实施方式
图2示出具有电机1和可控储能器2的系统。电机1示例性地作为三相电机1示出,其经由可控的第一储能器2被供给能量。可控的第一储能器2包括三个能量供给分支2a,2b,2c,这些能量供给分支在一侧经由接线端子4a,4b,4c与参考电势9(参考汇流排)连接,所述参考电势9在所示实施方式中相对于电机1的相U,V,W引导平均电势,并且所述能量供给分支在另一侧分别与电机1的各个相U、V、W连接。在此,第一能量供给分支2a的接线端子3a与电机1的第一相接线端子1a耦合,第二能量供给分支2b的接线端子3b与电机1的第二相接线端子1b耦合,并且第三能量供给分支2c的接线端子3c与电机1的第三相接线端子1c耦合。能量供给分支2a,2b,2c中的每一个具有串联的储能器模块5a,6a或5b,6b或5c,6c。示例性地,在图2中每个能量供给分支2a,2b,2c的储能器模块的数目为2,但是其中每个其他数目的储能器模块同样是可能的。
储能器模块5a,5b,5c,6a,6b,6c又分别包括储能器单元设备7中的多个串联的电储能器单元。在此,在图2中储能器单元设备7中的储能器单元的数目例如为2,但是其中每个其他数目的储能器单元同样是可能的。储能器模块5a,5b,5c,6a,6b,6c此外分别包括耦合单元8,所述耦合单元8被分配给相应的储能器模块5a,5b,5c,6a,6b,6c的储能器单元7。出于清楚的原因,耦合单元和储能器单元设备仅仅在储能器模块5c中配备有附图标记。但是可以理解,储能器模块5a,5b,5c,6a,6b,6c可以包括类似的耦合单元和储能器单元设备。
在所示的实施变型中,耦合单元8分别通过四个可控的开关元件构成,这些开关元件以全桥的形式接线。所述开关元件在此可以实施为例如IGBT(绝缘栅双极晶体管)形式的功率半导体开关或者实施为MOSFET(金属氧化物半导体场效应晶体管)。但是也可以将耦合单元8分别构造为分别仅仅具有两个开关元件的半桥电路。半桥电路提供的优点是,由于较少的开关元件数目而具有较少的功率损耗,但是所具有的缺点是,能量供给分支中的输出接线端子3a,3b,3c处的电压不能变换极性。
在全桥电路的示例性示出的情况下,耦合单元8能够通过断开耦合单元8的所有开关元件中断相应的能量供给分支2a,2b,2c。可替换地,储能器单元7可以通过闭合耦合单元8的开关元件中的每两个要么被跨接要么被接通到相应的能量供给分支2a,2b,2c中。
能量供给分支2a,2b,2c的总输出电压通过耦合单元8的可控开关元件的相应的开关状态来确定并且可以分级地被调整。分级在此根据各个储能器模块5a,5b,5c,6a,6b,6c的电压得出。
耦合单元8因此允许,电机1的相U、V、W接通高参考电势或者低参考电势,并且就此而言也可以满足已知的逆变器的功能。因此,电机1的性能和运行方式可以在适当地操控耦合单元8的情况下通过可控的第一储能器2来控制。也就是就此而言,可控的第一储能器2满足双重功能,因为其一方面用于电能量供给,但另一方面也用于电机1的控制。
电机1具有定子绕组,这些定子绕组以已知的方式彼此以星形电路接线。电机1在所示实施例中实施为三相交流电机,但是也可以具有少于或者多于三个的相。可控的第一储能器2中的能量供给分支2a,2b,2c的数目与此对应地也视电机的相数而定。
图3示出根据本发明的一个实施方式的具有电机1和可控储能器2的系统的示意图。图3中所示的系统与图2中所示系统的区别仅仅在于,在电机1的星形点10处连接励磁绕组11,该励磁绕组11又经由参考汇流排9分别与可控储能器2的接线端子4a,4b,4c连接。
在可控的第一储能器2的常规操控的情况下,在星形点10处施加平均电势。但是该电势可以通过如下方式移动,即每个能量供给分支2a,2b,2c的一个或多个储能器模块5a,5b,5c,6a,6b,6c的储能器单元7分别通过对应地操控所属的耦合单元8被持续地或者节拍式地以正或负的极性接通到相应的能量供给分支2a,2b,2c中。能量供给分支2a,2b,2c处的电压因此分别被提高或降低到这样的值,所述值高于或低于当前为对电机1进行能量供给所需的电压值。
通过提高或降低能量供给分支2a,2b,2c处的电压,直流电压分量可以经由相接线端子1a,1b,1c馈入到星形点10中,从而星形点10中的电势是可变的。通过用可控储能器2的参考汇流排9反馈星形点10,可变电流可以被传导通过励磁绕组11,使得可以在电机1中生成可变的激励场。通过该可以在电机内进行的接线,对于用于馈送励磁绕组11的单独的发动机接线端子的需要消除。
在具有耦合单元8的全桥电路的根据图3的当前实施例中,可以通过对应地操控储能器模块5a,5b,5c,6a,6b,6c实现通过励磁绕组11的电流的极性变换。但是例如也可能的是,储能器模块5a,5b,5c,6a,6b,6c中的各个储能器模块利用半桥电路形式的耦合单元8来实现。当所述储能器模块用于向相接线端子1a,1b,1c提供直流电压分量时,虽然不再能够实现通过励磁绕组的电流的极性变换,但是通过耦合单元8的半桥电路中的较少数目的所需开关元件降低了储能器模块的开关元件处的功率损耗。
图4示出根据本发明的另一实施方式的具有电机和可控储能器的系统的示意图。根据图4的系统与根据图3的系统的区别主要在于,能量供给分支2a,2b,2c中的每一个仅仅具有一个储能器模块。此外在能量供给分支2a,2b,2c的储能器模块中设置分配给相应的储能器模块的耦合单元和储能器单元7。示例性地在能量供给分支2a中示出具有耦合单元8a和8b以及储能器单元设备7的储能器模块5a。在图4中,储能器单元设备7可经由半桥电路与接线端子3a或4a连接和/或可被跨接。为此,耦合单元8a位于与储能器单元设备7并行的支路中并且耦合单元8b串联地位于储能器单元设备7的支路中。此外如在图4中所示的那样,原理上可以将储能器模块中的每一个构造为具有不同的耦合单元,例如具有半桥电路形式的耦合单元和全桥电路形式的耦合单元。但是当然同样可能的是,图4中的所有储能器模块被构造为具有半桥电路形式的耦合单元。
Claims (6)
1.用于将储能器技术与电驱动技术相组合的系统,其具有:
n相外激励电机(1),其中n≥1;
可控的第一储能器(2),其具有n个并行的能量供给分支(2a,2b,2c),其中能量供给分支(2a,2b,2c)中的每一个具有第一接线端子(3a,3b,3c)和第二接线端子(4a,4b,4c),所述第一接线端子分别与电机(1)的相接线端子(1a,1b,1c)连接,并且所述第二接线端子分别与共同的参考汇流排(9)连接,其中所述参考汇流排(9)经由电机(1)的励磁绕组(11)与电机(1)的星形点(10)连接,使得在能量供给分支(2a,2b,2c)的每一个处提供的直流电压分量经由电机(1)的相接线端子(1a,1b,1c)和星形点(10)被馈入到励磁绕组(11)中,用于激励电机(1)。
2.根据权利要求1的系统,其中电机(1)的星形点(10)处的电势是可变的。
3.根据权利要求1和2之一的系统,其中n个并行的能量供给分支(2a,2b,2c)中的每一个具有至少两个串联的储能器模块(5a,5b,5c,6a,6b,6c),所述储能器模块分别包括至少一个电储能器单元(7)与所分配的可控的耦合单元(8)。
4.用于运行根据权利要求1至3之一所述的具有n相外激励电机(1)和可控的第一储能器(2)的系统的方法,其中n≥1,所述可控的第一储能器(2)具有n个并行的能量供给分支(2a,2b,2c),所述方法具有如下步骤:
在能量供给分支(2a,2b,2c)的每一个处提供直流电压分量;
将直流电压分量馈入到n相电机(1)的相接线端子(1a,1b,1c)中;以及
用馈入到相接线端子(1a,1b,1c)中的直流电压分量馈送电机(1)的励磁绕组(11)以在电机(1)中生成激励场。
5.根据权利要求4的方法,其中从电机(1)的星形点(10)用馈入到相接线端子(1a,1b,1c)中的直流电压分量馈送励磁绕组(11)。
6.根据权利要求4和5之一的方法,其中能量供给分支(2a,2b,2c)的每一个具有至少两个串联的储能器模块(5a,5b,5c,6a,6b,6c),所述储能器模块分别包括至少一个电储能器单元(7)与所分配的可控的耦合单元(8),并且其中直流电压分量的提供包括将储能器模块(5a,5b,5c,6a,6b,6c)中的至少一个接入到相应的能量供给分支(2a,2b,2c)中。
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DE102013205562A1 (de) * | 2013-03-28 | 2014-10-02 | Robert Bosch Gmbh | Energiespeichereinrichtung und System mit einer Energiespeichereinrichtung |
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WO2015086311A1 (de) * | 2013-12-11 | 2015-06-18 | ROLLER, Maja | Elektrischer generator sowie elektrischer motor |
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