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1. 发明申请

WO2015038691A1 METHOD AND SYSTEM FOR ARCHITECTURE, CONTROL, AND PROTECTION SYSTEMS OF MODULAR STACKED DIRECT CURRENT SUBSEA POWER SYSTEM 审中-公开
标题翻译：模块化堆叠式直流电源系统的结构，控制和保护系统的方法与系统
公开(公告)号：WO2015038691A1
公开(公告)日：2015-03-19
申请号：PCT/US2014/055062
申请日：2014-09-11
申请人： GENERAL ELECTRIC COMPANY
发明人： DONG, Dong , LAI, Rixin , CHI, Song , GUPTA, Ranjan, Kumar , ZHANG, Di
IPC分类号： H02J3/36 , H02M1/00 , H02M11/00 , E21B41/00
CPC分类号： H02H3/16 , E21B41/00 , H02J3/36 , H02M1/00 , H02M11/00 , Y02E60/60
摘要： A high-voltage DC (HVDC) power system and a method of controlling and protecting the HVDC power system includes a plurality of sending-end (SE) modules coupled in electrical series and a plurality of receiving-end (RE) power converter modules electrically coupled to said plurality of SE modules, the RE modules coupled in a switchyard configuration, the switchyard configuration including a plurality of load branches coupled together in electrical series, each load branch including a branch bypass switch configured to bypass load current around an associated load branch, and a branch protection system.
摘要翻译：高压直流（HVDC）电力系统和控制和保护高压直流电力系统的方法包括以电串联耦合的多个发送端（SE）模块和多个接收端（RE）功率转换器模块耦合到所述多个SE模块，所述RE模块以开关构造配置耦合，所述开关站配置包括以电串联耦合在一起的多个负载分支，每个负载分支包括分支旁路开关，所述分支旁路开关配置成绕负载分支，以及分支保护系统。

2. 发明申请

WO2018034711A3 SYSTEM AND METHOD FOR INTEGRATING HYBRID ENERGY STORAGE INTO DIRECT CURRENT POWER SYSTEMS 审中-公开
公开(公告)号：WO2018034711A3
公开(公告)日：2018-02-22
申请号：PCT/US2017/029750
申请日：2017-04-27
申请人： GENERAL ELECTRIC COMPANY
发明人： ZHOU, Zhi , ZHANG, Di , DONG, Dong , SADILEK, Tomas
IPC分类号： H02J7/34 , H02J1/10 , H02J7/00 , H02J1/00 , H02M7/483 , H02M1/00
摘要： A modular power conversion device includes at least one first-type energy storage device (ESD) configured to induce a first direct current (DC) voltage, and at least one active power link module (APLM) string coupled to the at least one first-type ESD. The at least one APLM string includes a plurality of APLMs coupled to each other. Each APLM of the plurality of APLMs has a plurality of switching devices including a first switching device and a second switching device coupled to each other in electrical series. Each APLM of the plurality of APLMs also has at least one second-type ESD coupled in electrical parallel with both of the first switching device and the second switching device. The at least one second- type ESD is configured to induce a second DC voltage.

3. 发明申请

WO2018034711A2 SYSTEM AND METHOD FOR INTEGRATING HYBRID ENERGY STORAGE INTO DIRECT CURRENT POWER SYSTEMS 审中-公开
标题翻译：将混合能量存储集成到直流电力系统中的系统和方法
公开(公告)号：WO2018034711A2
公开(公告)日：2018-02-22
申请号：PCT/US2017/029750
申请日：2017-04-27
申请人： GENERAL ELECTRIC COMPANY
发明人： ZHOU, Zhi , ZHANG, Di , DONG, Dong , SADILEK, Tomas
IPC分类号： H02J7/34
摘要： A modular power conversion device includes at least one first-type energy storage device (ESD) configured to induce a first direct current (DC) voltage, and at least one active power link module (APLM) string coupled to the at least one first-type ESD. The at least one APLM string includes a plurality of APLMs coupled to each other. Each APLM of the plurality of APLMs has a plurality of switching devices including a first switching device and a second switching device coupled to each other in electrical series. Each APLM of the plurality of APLMs also has at least one second-type ESD coupled in electrical parallel with both of the first switching device and the second switching device. The at least one second- type ESD is configured to induce a second DC voltage.
摘要翻译：模块化功率转换设备包括被配置为感应第一直流（DC）电压的至少一个第一类型能量存储设备（ESD），以及至少一个有源功率链路模块（APLM）串耦合到所述至少一个第一类型的ESD。该至少一个APLM串包括彼此耦合的多个APLM。多个APLM中的每个APLM具有多个开关装置，包括彼此电串联耦合的第一开关装置和第二开关装置。多个APLM中的每个APLM还具有与第一开关装置和第二开关装置两者电并联耦合的至少一个第二类型ESD。该至少一个第二类型的ESD被配置为感应第二DC电压。

4. 发明申请

WO2015142324A1 HYBRID THREE-LEVEL NPC THYRISTOR CONVERTER WITH CHAIN-LINK STRINGS AS INNER AC SWITCHES 审中-公开
标题翻译：混合三电平转换器作为内部交流开关链链
公开(公告)号：WO2015142324A1
公开(公告)日：2015-09-24
申请号：PCT/US2014/031178
申请日：2014-03-19
申请人： GENERAL ELECTRIC COMPANY
发明人： ZHANG, Di , GARCES, Luis, Jose , ROCKHILL, Andrew, Allen
IPC分类号： H02M7/487 , H02M7/515 , H02M7/757
CPC分类号： H02M1/083 , H02M7/1557 , H02M7/217 , H02M7/487 , H02M7/5152 , H02M7/525 , H02M7/539 , H02M7/7575 , H02M2007/4835 , Y02E60/60
摘要： A method for power conversion includes coupling a first string (302) to a second string (304) via a first connecting node (310) and a second connecting node (312) to form at least one leg (301, 303, 305) of a power converter (104, 300). The first string (302) is operatively coupled across a first bus (306) and a second bus (308) and comprises a first branch (314) and a second branch (316) coupled via a third connecting node (318). The first branch (314) and the second branch (316) include a plurality of controllable semiconductor switches (330). Furthermore, the second string (304) comprises a first chain link (320) and a second chain link (322) coupled via an alternating current phase bus (326) and includes a plurality of switching units (334). The first chain link (320) and/or the second chain link (322) are controlled to generate a negative voltage across at least one of the plurality of controllable semiconductor switches (330) during a switch turn off process.
摘要翻译：一种用于功率转换的方法包括经由第一连接节点（310）和第二连接节点（312）将第一串（302）耦合到第二串（304），以形成至少一个腿（301,303,305）功率转换器（104,300）。第一串（302）跨第一总线（306）和第二总线（308）可操作地耦合，并且包括经由第三连接节点（318）耦合的第一分支（314）和第二分支（316）。第一分支（314）和第二分支（316）包括多个可控半导体开关（330）。此外，第二串（304）包括通过交流电流相位母线（326）耦合并且包括多个开关单元（334）的第一链节（320）和第二链节（322）。控制第一链节（320）和/或第二链节（322）以在切换关闭过程期间在多个可控半导体开关（330）中的至少一个上产生负电压。

5. 发明申请

WO2017027127A1 METHOD AND SYSTEM FOR A GAS TUBE SWITCH BASED VOLTAGE SOURCE HIGH VOLTAGE DIRECT CURRENT TRANSMISSION SYSTEM 审中-公开
标题翻译：基于气体开关的电压源电压高压直流电流传输系统的方法与系统
公开(公告)号：WO2017027127A1
公开(公告)日：2017-02-16
申请号：PCT/US2016/041087
申请日：2016-07-06
申请人： GENERAL ELECTRIC COMPANY
发明人： SHE, Xu , CHOKHAWALA, Rahul , ZHOU, Rui , ZHANG, Di , SOMMERER, Timothy, John , BRAY, James, William
IPC分类号： H02J3/36 , H02M7/04 , H02M7/44
CPC分类号： H02M5/456 , H02J3/36 , H02M1/0061 , H02M5/4585 , H02M7/213 , H02M7/23 , H02M7/493 , H02M7/533 , Y02E60/60
摘要： A voltage source converter based high-voltage direct-current (HVDC) transmission system includes a voltage source converter (VSC)-based power converter channel. The VSC- based power converter channel includes an AC -DC converter and a DC-AC inverter electrically coupled to the AC -DC converter. The AC-DC converter and a DC-AC inverter include at least one gas tube switching device coupled in electrical anti-parallel with a respective gas tube diode. The VSC-based power converter channel includes a commutating circuit communicatively coupled to one or more of the at least one gas tube switching devices. The commutating circuit is configured to "switch on" a respective one of the one or more gas tube switching devices during a first portion of an operational cycle and "switch off the respective one of the one or more gas tube switching devices during a second portion of the operational cycle.
摘要翻译：基于电压源转换器的高压直流（HVDC）传输系统包括基于电压源转换器（VSC）的功率转换器通道。基于VSC的功率转换器通道包括AC-DC转换器和与AC-DC转换器电耦合的DC-AC逆变器。 AC-DC转换器和DC-AC逆变器包括至少一个与相应的气体管二极管反并联的电气管开关装置。基于VSC的功率转换器通道包括通信地耦合到所述至少一个气体管切换装置中的一个或多个的换向电路。整流电路被配置为在操作周期的第一部分期间“接通”一个或多个气体管切换装置中的相应一个，并且在第二部分期间关闭一个或多个气体管切换装置中的相应一个的运营周期。

6. 发明申请

WO2019013905A1 THREE-LEVEL TWO-STAGE DECOUPLED ACTIVE NPC CONVERTER 审中-公开
公开(公告)号：WO2019013905A1
公开(公告)日：2019-01-17
申请号：PCT/US2018/036150
申请日：2018-06-05
申请人： GENERAL ELECTRIC COMPANY
发明人： ZHANG, Di , HE, Jiangbiao , MADHUSOODHANAN, Sachin
IPC分类号： H02M7/487 , H02M1/34 , H02M1/08
摘要： A system includes a voltage converter and a controller for controlling the operation of the voltage converter. The voltage converter includes a plurality of legs, wherein each leg includes a first and a second set of silicon (Si)-based power devices. The first set of Si-based power devices includes a first and second Si-based power devices connected to each other at a first interconnection node and the second set of Si-based power devices includes a third and fourth Si-based power devices connected to each other at a second interconnection node. The first and second set of Si-based power devices are coupled across a first and second DC voltage sources respectively. A first set of Silicon-Carbide (SiC) based power devices is coupled across the first and second interconnection nodes. The system also includes a snubber capacitor connected across the first and the second interconnection nodes.

7. 发明申请

WO2017119977A3 SYSTEM AND METHOD FOR INTEGRATING ENERGY STORAGE INTO MODULAR POWER CONVERTER 审中-公开
标题翻译：将能量存储集成到模块化功率转换器中的系统和方法
公开(公告)号：WO2017119977A3
公开(公告)日：2017-07-13
申请号：PCT/US2016/065131
申请日：2016-12-06
申请人： GENERAL ELECTRIC COMPANY
发明人： GARCES, Luis, Jose , ZHOU, Rui , ZHOU, Zhi , ZHANG, Di
IPC分类号： H02M7/483 , H02M1/15
摘要： A system for integrating energy storage into a modular power converter includes at least one energy storage unit coupled to a first converter for converting a first direct current (DC) voltage of the at least one energy storage unit into a first high frequency alternating current (AC) voltage. At least three phase legs of the modular power converter generate three phase AC voltages. Each phase leg includes a plurality of switching modules connected in series. The switching modules have a plurality of fully controllable semiconductor switches, an energy storage device, and a second converter coupled to the respective energy storage device for converting a second DC voltage of the energy storage device into a second high frequency AC voltage. In the system, three similarly positioned switching modules of the three phase legs form one power unit. Further, a high frequency transformer is provided which has at least one primary winding connected to the first converter and at least three secondary windings, each connected to the second converter of each of the three similarly positioned switching modules. A controller is configured to regulate at least one electrical parameter of the modular power converter.
摘要翻译：用于将能量存储集成到模块化功率转换器中的系统包括耦合到第一转换器的至少一个能量存储单元，用于将所述至少一个能量存储单元的第一直流（DC）电压转换成第一高频交流（AC）电压。模块化功率变流器的至少三相支路产生三相交流电压。每个相脚包括串联连接的多个开关模块。开关模块具有多个完全可控的半导体开关，能量存储装置和耦合到相应能量存储装置的第二转换器，用于将能量存储装置的第二DC电压转换成第二高频AC电压。在该系统中，三个相位支路中的三个相似定位的开关模块形成一个功率单元。此外，提供了一种高频变压器，其具有连接到第一变换器的至少一个初级绕组和至少三个次级绕组，每个次级绕组都连接到三个相似定位的开关模块中的每一个的第二变换器。控制器被配置为调节模块化功率转换器的至少一个电参数。

8. 发明申请

WO2017119977A2 SYSTEM AND METHOD FOR INTEGRATING ENERGY STORAGE INTO MODULAR POWER CONVERTER 审中-公开
公开(公告)号：WO2017119977A2
公开(公告)日：2017-07-13
申请号：PCT/US2016/065131
申请日：2016-12-06
申请人： GENERAL ELECTRIC COMPANY
发明人： GARCES, Luis, Jose , ZHOU, Rui , ZHOU, Zhi , ZHANG, Di
CPC分类号： H02J3/387 , H02J3/30 , H02J3/32 , H02M1/15 , H02M7/483 , H02M2007/4835
摘要： A system for integrating energy storage into a modular power converter includes at least one energy storage unit coupled to a first converter for converting a first direct current (DC) voltage of the at least one energy storage unit into a first high frequency alternating current (AC) voltage. At least three phase legs of the modular power converter generate three phase AC voltages. Each phase leg includes a plurality of switching modules connected in series. The switching modules have a plurality of fully controllable semiconductor switches, an energy storage device, and a second converter coupled to the respective energy storage device for converting a second DC voltage of the energy storage device into a second high frequency AC voltage. In the system, three similarly positioned switching modules of the three phase legs form one power unit. Further, a high frequency transformer is provided which has at least one primary winding connected to the first converter and at least three secondary windings, each connected to the second converter of each of the three similarly positioned switching modules. A controller is configured to regulate at least one electrical parameter of the modular power converter.

9. 发明申请

WO2017027114A1 METHOD AND SYSTEM FOR A GAS TUBE-BASED CURRENT SOURCE HIGH VOLTAGE DIRECT CURRENT TRANSMISSION SYSTEM 审中-公开
标题翻译：基于气体管的电流源高压直流电流传输系统的方法与系统
公开(公告)号：WO2017027114A1
公开(公告)日：2017-02-16
申请号：PCT/US2016/040237
申请日：2016-06-30
申请人： GENERAL ELECTRIC COMPANY
发明人： SHE, Xu , CHOKHAWAL, Rahul, Shantilal , BRAY, James, William , SOMMERER, Timothy, John , ZHOU, Rui , ZHANG, Di
IPC分类号： H02M5/456 , H02J3/36 , H02M7/19 , H02M7/219 , H02M7/213
CPC分类号： H02M5/458 , H02J3/36 , H02M5/456 , H02M7/19 , H02M7/213 , H02M7/219 , Y02E60/60
摘要： A high-voltage direct-current (HVDC) transmission system includes an alternating current (AC) electrical source and a power converter channel that includes an AC-DC converter electrically coupled to the electrical source and a DC-AC inverter electrically coupled to the AC-DC converter. The AC-DC converter and the DC-AC inverter each include a plurality of legs that includes at least one switching device. The power converter channel further includes a commutating circuit communicatively coupled to one or more switching devices. The commutating circuit is configured to "switch on" one of the switching devices during a first portion of a cycle of the H-bridge switching circuits and "switch off the switching device during a second portion of the cycle of the first and second H-bridge switching circuits.
摘要翻译：高压直流（HVDC）传输系统包括交流（AC）电源和电力转换器通道，其包括电耦合到电源的AC-DC转换器和电耦合到AC的DC-AC逆变器 -DC转换器。 AC-DC转换器和DC-AC逆变器各自包括包括至少一个开关装置的多个支腿。功率转换器通道还包括通信地耦合到一个或多个开关器件的整流电路。换向电路被配置为在H桥开关电路的一个周期的第一部分期间“接通”一个开关装置，并且在第一和第二H形绕组的周期的第二部分期间关断开关装置，桥式开关电路。

10. 发明申请

WO2017058253A1 MODULAR MULTILEVEL CONVERTER HARMONIC INJECTION SYSTEMS AND METHODS 审中-公开
标题翻译：模块化多电平转换器谐波注入系统和方法
公开(公告)号：WO2017058253A1
公开(公告)日：2017-04-06
申请号：PCT/US2015/053774
申请日：2015-10-02
申请人： GENERAL ELECTRIC COMPANY
发明人： SADILEK, Tomas , ZHANG, Di , ZHOU, Zhi , DONG, Dong
IPC分类号： H02J3/01 , H02M7/483
CPC分类号： H02M7/483 , H02J3/01 , H02M2007/4835 , Y02E40/40
摘要： Systems and methods to improve operation of a modular multilevel converter. Some embodiments include a first upper arm with a first active power link module, which facilitates producing a first portion of a first alternating current electrical power at a base frequency and injecting a first even-order current harmonic of the base frequency in the first upper arm, and a first lower arm with a second active power link module, which facilitates producing a second portion of the first alternating current, in which the first portion of the first alternating current and the second portion of the alternating current are combined to facilitate outputting the first alternating current electrical power at a first alternating current terminal, and injecting the first even-order current harmonic in the first lower arm, in which magnitude of the first even-order current harmonic is zero at the first alternating current terminal.
摘要翻译：改进模块化多电平转换器运行的系统和方法。一些实施例包括具有第一有源功率链路模块的第一上臂，其有助于产生基本频率处的第一交流电功率的第一部分，并且在第一上臂中注入基频的第一偶次电流谐波以及具有第二有源功率链路模块的第一下臂，其有助于产生第一交变电流的第二部分，其中第一交流电的第一部分和交流电的第二部分被组合，以便于输出在第一交流电端子处的第一交流电功率，以及在所述第一交流电端子中将所述第一偶数阶电流谐波的大小为零的所述第一下臂中的所述第一偶数次谐波注入。

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