公开(公告)号：US09325273B2

公开(公告)日：2016-04-26

申请号：US14040767

申请日：2013-09-30

Applicant: General Electric Company

Inventor： Di Zhang ,  Luis José Garcés ,  Andrew Allen Rockhill ,  Rixin Lai

IPC: H02P23/00 ,  H02M7/537 ,  H02J7/00 ,  H02P27/06 ,  H02M7/487 ,  H02M7/217 ,  H02P27/14 ,  H02P27/16 ,  H02P1/16 ,  H02M7/483

CPC classification number: H02P27/06 ,  H02M7/217 ,  H02M7/487 ,  H02M2007/4835 ,  H02P1/16 ,  H02P27/14 ,  H02P27/16

Abstract: A system for driving an electric machine is provided. The system includes a power converter coupled to an input source and the electric machine. The power converter includes a leg that includes a first and second string. The first string includes plurality of controllable semiconductor switches, a first and second connecting node. The first string is operatively coupled across a first and second bus. The second string is operatively coupled to the first string via the first and second connecting node. The second string comprises plurality of switching modules. The switching modules include fully controllable semiconductor switches and energy storage devices. The system further includes a system controller configured to provide activation commands to the controllable semiconductor switches and the switching modules such that energy stored in the energy storage device is provided to the electric machine when the machine is switched on for operation.

Abstract translation: 提供一种用于驱动电机的系统。 该系统包括耦合到输入源和电机的功率转换器。 功率转换器包括包括第一和第二串的支脚。 第一串包括多个可控半导体开关，第一和第二连接节点。 第一串可操作地耦合在第一和第二总线上。 第二串通过第一和第二连接节点可操作地耦合到第一串。 第二串包括多个开关模块。 开关模块包括完全可控的半导体开关和能量存储装置。 该系统还包括系统控制器，该系统控制器被配置为向可控半导体开关和开关模块提供启动命令，使得当机器接通操作时，存储在能量存储装置中的能量被提供给电机。

公开(公告)号：US09479075B2

公开(公告)日：2016-10-25

申请号：US13955607

申请日：2013-07-31

Applicant: General Electric Company

Inventor： Luis José Garcés ,  Di Zhang ,  Andrew Allen Rockhill

IPC: H02M7/483 ,  H02M7/487 ,  H02M7/00

CPC classification number: H02M7/003 ,  H02M7/483 ,  H02M7/487 ,  H02M2007/4835

Abstract: A power converter is provided. The power converter includes at least one leg. The at least one leg of the power converter includes a plurality of switching units. The switching units are coupled with each other in a serial fashion. Further, in the power converter, the switching units are selected such that at least two switching units in the power converter have different operating voltages.

Abstract translation: 提供电源转换器。 功率转换器包括至少一个支路。 功率转换器的至少一条支路包括多个开关单元。 开关单元以串联方式彼此耦合。 此外，在功率转换器中，选择开关单元，使得功率转换器中的至少两个开关单元具有不同的工作电压。

公开(公告)号：US20160056728A1

公开(公告)日：2016-02-25

申请号：US14465887

申请日：2014-08-22

Applicant: GENERAL ELECTRIC COMPANY

Inventor： Di Zhang ,  Dong Dong ,  Andrew Allen Rockhill

IPC: H02M7/217

CPC classification number: H02M7/487 ,  H02M7/483 ,  H02M7/49 ,  H02M2007/4835

Abstract: A power converter includes at least one leg having a first string operatively coupled to a second string via a first connecting node and a second connecting node. The first string includes a first branch and a second branch operatively coupled via a third connecting node. Each of the branches has a plurality of switching units, a controllable semiconductor switch and the first connecting node and the second connecting node. The first string is operatively coupled across a first bus and a second bus. Furthermore, the second string includes a plurality of controllable semiconductor switches.

Abstract translation: 功率转换器包括至少一个支路，其具有经由第一连接节点和第二连接节点可操作地耦合到第二串的第一串。 第一串包括经由第三连接节点可操作地耦合的第一分支和第二分支。 每个分支具有多个开关单元，可控半导体开关和第一连接节点和第二连接节点。 第一串可操作地连接在第一总线和第二总线上。 此外，第二串包括多个可控半导体开关。

公开(公告)号：US20160020705A1

公开(公告)日：2016-01-21

申请号：US14331242

申请日：2014-07-15

Applicant: General Electric Company

Inventor： Dong Dong ,  Di Zhang ,  Andrew Allen Rockhill

IPC: H02M7/217

CPC classification number: H02M7/217 ,  H02M1/32 ,  H02M7/487 ,  H02M2007/4835

Abstract: A power converter including one or more converter legs is provided. Each converter leg includes a first string including a plurality of switches coupled to each other in series. The one or more converter legs also include a second string operatively coupled to the first string at a first node and a second node in a parallel configuration, where the second string includes a plurality of switching units, and where a second string of one converter leg of the one or more converter legs is operatively coupled to second strings corresponding to other converter legs in the one or more converter legs.

Abstract translation: 提供了包括一个或多个转换器支路的电力转换器。 每个转换器支路包括包括彼此串联连接的多个开关的第一串。 一个或多个转换器支腿还包括在第一节点处可操作地耦合到第一串的第二串和并联配置的第二节点，其中第二串包括多个开关单元，并且其中一个转换器支脚的第二串 所述一个或多个转换器支腿可操作地耦合到对应于所述一个或多个转换器支腿中的其它转换器支脚的第二串。

公开(公告)号：US20150062991A1

公开(公告)日：2015-03-05

申请号：US14014516

申请日：2013-08-30

Applicant: General Electric Company

Inventor： Di Zhang ,  Luis Jose Garces ,  Andrew Allen Rockhill ,  Rixin Lai

IPC: H02M7/537

CPC classification number: H02M7/537 ,  H02M7/487 ,  H02M7/5152 ,  H02M7/7575 ,  H02M2001/0003 ,  H02M2007/4835 ,  Y02E60/60

Abstract: A power converter includes at least one leg including a first string that includes controllable semiconductor switches, a first connecting node, and a second connecting node and that is operatively coupled across a first bus and a second bus. A second string is operatively coupled to the first string via the first connecting node and the second connecting node. The second string includes a plurality of switching modules wherein each of the plurality of switching modules includes a plurality of fully controllable semiconductor switches and at least one energy storage device. The power converter includes a system controller to control activation of the controllable semiconductor switches and switching modules such that a controlled electrical variable is maintained at a first predetermined reference voltage value and the average internal stored energy of the energy storage devices is maintained at a second predetermined reference value.

Abstract translation: 功率转换器包括至少一条腿，其包括包括可控半导体开关的第一串，第一连接节点和第二连接节点，并且可操作地跨越第一总线和第二总线耦合。 第二串经由第一连接节点和第二连接节点可操作地耦合到第一串。 第二串包括多个开关模块，其中多个开关模块中的每一个包括多个完全可控的半导体开关和至少一个能量存储装置。 功率转换器包括系统控制器，用于控制可控半导体开关和开关模块的激活，使得受控电变量保持在第一预定参考电压值，并且能量存储装置的平均内部存储能量保持在第二预定 参考值。

公开(公告)号：US20150036398A1

公开(公告)日：2015-02-05

申请号：US13955607

申请日：2013-07-31

Applicant: General Electric Company

Inventor： Luis José Garcés ,  Di Zhang ,  Andrew Allen Rockhill

IPC: H02M7/00

CPC classification number: H02M7/003 ,  H02M7/483 ,  H02M7/487 ,  H02M2007/4835

Abstract: A power converter is provided. The power converter includes at least one leg. The at least one leg of the power converter includes a plurality of switching units. The switching units are coupled with each other in a serial fashion. Further, in the power converter, the switching units are selected such that at least two switching units in the power converter have different operating voltages.

Abstract translation: 提供电源转换器。 功率转换器包括至少一个支路。 功率转换器的至少一条支路包括多个开关单元。 开关单元以串联方式彼此耦合。 此外，在功率转换器中，选择开关单元，使得功率转换器中的至少两个开关单元具有不同的工作电压。

公开(公告)号：US20140347898A1

公开(公告)日：2014-11-27

申请号：US14453637

申请日：2014-08-07

Applicant: General Electric Company

Inventor： Ravisekhar Nadimpalli Raju ,  Luis Jose Garces ,  Ranjan Kumar Gupta ,  Di Zhang ,  Andrew Allen Rockhill

IPC: H02M5/458

CPC classification number: H02M1/32 ,  H02M5/4585 ,  H02M7/217 ,  H02M7/483 ,  H02M2007/4835

Abstract: A power converter module is provided. The power converter module includes a first converter leg and a second converter leg. The first converter leg includes a first switching unit and a second switching unit coupled in series. The second switching unit is disposed in a reverse orientation with respect to an orientation of the first switching unit. The second converter leg includes a third switching unit and a diode coupled in series. The third switching unit is disposed in a reverse orientation with respect to the orientation of the first switching unit. The power converter also includes a first energy storage device operatively coupled between the first converter leg and the second converter leg. The power converter module further includes a second energy storage device operatively coupled between the first converter leg and the second converter leg.

Abstract translation: 提供电源转换器模块。 功率转换器模块包括第一转换器支路和第二转换器支路。 第一转换器支路包括串联耦合的第一开关单元和第二开关单元。 第二开关单元相对于第一开关单元的取向以相反的方向设置。 第二转换器支路包括串联耦合的第三开关单元和二极管。 第三开关单元相对于第一开关单元的取向以相反方向设置。 功率转换器还包括可操作地耦合在第一转换器支路和第二转换器支路之间的第一储能装置。 功率转换器模块还包括可操作地耦合在第一转换器支路和第二转换器支路之间的第二能量存储装置。