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1.发明授权High voltage direct current (HVDC) converter system and method of operating the same 有权高压直流（HVDC）转换器系统及其运行方法公开(公告)号：US09099936B2
公开(公告)日：2015-08-04
申请号：US13826583
申请日：2013-03-14
Applicant: General Electric Company
Inventor： Ranjan Kumar Gupta , Nilanjan Ray Chaudhuri , Luis Jose Garces , Rajib Datta
CPC classification number: H02M5/44 , H02M1/126 , H02M1/15 , H02M7/7575 , H02M2001/0077 , Y02E60/60
Abstract: A high voltage direct current (HVDC) converter system includes a line commutated converter (LCC) configured to convert a plurality of AC voltages and currents to a regulated DC voltage of one of positive and negative polarity and a DC current transmitted in only one direction. The HVDC converter system also includes a buck converter configured to convert a plurality of AC voltages and currents to a regulated DC voltage of one of positive and negative polarity and a DC current transmitted in one of two directions. The LCC and the buck converter are coupled in parallel to an AC conduit and are coupled in series to a DC conduit. The HVDC converter system further includes a filtering device coupled in parallel to the buck converter through the AC conduit. The filtering device is configured to inject AC current having at least one harmonic frequency into the AC conduit.
Abstract translation: 高压直流（HVDC）转换器系统包括线路整流转换器（LCC），其被配置为将多个AC电压和电流转换成正极性和负极性之一的稳压DC电压以及仅在一个方向上传输的DC电流。 HVDC转换器系统还包括降压转换器，其被配置为将多个AC电压和电流转换成正极性和负极性之一的稳压DC电压以及沿两个方向之一传输的DC电流。 LCC和降压转换器并联耦合到AC导管并且串联耦合到DC导管。 HVDC转换器系统还包括通过AC导管并联耦合到降压转换器的滤波装置。 滤波装置被配置为将具有至少一个谐波频率的AC电流注入到AC导管中。
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公开(公告)号：US09602021B2
公开(公告)日：2017-03-21
申请号：US14201062
申请日：2014-03-07
Applicant: General Electric Company
Inventor： Nilanjan Ray Chaudhuri , Ranjan Kumar Gupta , Einar Vaughn Larsen
CPC classification number: H02M5/4585 , H02J3/36 , H02M7/7575 , Y02E60/60
Abstract: A hybrid HVDC converter system includes a DC bus, at least one capacitor commutated converter (CCC) and at least one self-commutated converter (SCC) coupled in series through the DC bus. The CCC induces a first voltage on the DC buses, the SCC induces a second voltage on the DC bus, the first voltage and the second voltage are summed to define a total DC voltage. The method includes at least one of regulating the total DC voltage induced on the DC buses including regulating the first DC voltage through the CCC and regulating the second DC voltage through the SCC substantially simultaneously, regulating the total DC voltage induced on the DC bus including regulating the second DC voltage through the SCC, and regulating the total DC voltage induced on the DC bus including regulating the first DC voltage through the CCC.
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公开(公告)号：US09515565B2
公开(公告)日：2016-12-06
申请号：US14200937
申请日：2014-03-07
Applicant: General Electric Company
Inventor： Ranjan Kumar Gupta , Luis Jose Garces , Ravisekhar Nadimpalli Raju
IPC: H02M5/458 , H02J3/36 , H02M1/12 , H02M7/162 , H02M7/521 , H02M3/158 , H02M1/00 , H02M7/483 , H02M7/757
CPC classification number: H02M5/4585 , H02J3/36 , H02M1/12 , H02M3/158 , H02M7/162 , H02M7/521 , H02M7/7575 , H02M2001/007 , H02M2001/0077 , H02M2007/4835 , Y02E60/60
Abstract: A hybrid HVDC converter system includes at least one alternating current (AC) conduit, at least one transformer coupled to said at least one AC conduit, and at least one direct current (DC) conduit. The hybrid HVDC converter system also includes at least one capacitor commutated converter (CCC) configured to convert AC voltages and AC currents to a DC voltage and DC current. The at least one CCC is coupled to the at least one AC conduit through the at least one transformer. The hybrid HVDC converter system further includes at least one self-commutated converter (SCC) configured to convert AC voltages and AC currents to a regulated DC voltage and DC current. The at least one SCC includes at least one AC/DC stage and at least one DC/DC stage coupled to the at least one AC/DC stage.
Abstract translation: 混合HVDC转换器系统包括至少一个交流（AC）导管，耦合到所述至少一个AC导管的至少一个变压器和至少一个直流（DC）导管。 混合HVDC转换器系统还包括被配置为将AC电压和AC电流转换为DC电压和DC电流的至少一个电容器换向转换器（CCC）。 所述至少一个CCC通过所述至少一个变压器耦合到所述至少一个AC导管。 混合HVDC转换器系统还包括至少一个自整流转换器（SCC），其配置成将AC电压和AC电流转换成稳压的DC电压和DC电流。 所述至少一个SCC包括耦合到所述至少一个AC / DC级的至少一个AC / DC级和至少一个DC / DC级。
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4.发明授权Method and system for architecture, control, and protection systems of modular stacked direct current subsea power system 有权模块堆叠直流海底电力系统的架构，控制和保护系统的方法和系统公开(公告)号：US09178349B2
公开(公告)日：2015-11-03
申请号：US14024315
申请日：2013-09-11
Applicant: General Electric Company
Inventor： Dong Dong , Rixin Lai , Song Chi , Ranjan Kumar Gupta , Di Zhang
Abstract: 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.
Abstract translation: 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。
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5.发明授权公开(公告)号：US09407157B2
公开(公告)日：2016-08-02
申请号：US14026737
申请日：2013-09-13
Applicant: General Electric Company
Inventor： Ranjan Kumar Gupta , Rui Zhou
CPC classification number: H02M7/04 , H02J1/102 , H02J3/36 , H02J3/386 , H02M2001/0077 , Y02E10/763 , Y02E60/60
Abstract: A fraction rated conversion system for coupling a plurality of high voltage direct current (HVDC) power strings in parallel to an HVDC transmission system includes at least one fraction rated power converter coupled to the plurality of HVDC power strings and at least one capacitive device coupled to the at least one fraction rated power converter. The at least one fraction rated power converter and the at least one capacitive device regulate a differential voltage across each HVDC power string of the plurality of HVDC power strings to be substantially similar to each other.
Abstract translation: 用于将多个高压直流（HVDC）功率串并联连接到HVDC传输系统的分数额定转换系统包括耦合到多个HVDC功率串的至少一个分数额定功率转换器和耦合到 至少一个分数额定功率转换器。 所述至少一个分数额定功率转换器和所述至少一个电容性装置调节所述多个HVDC功率串中的每个HVDC功率串的差分电压基本上彼此相似。
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Patent Agency Ranking
6.发明授权公开(公告)号：US09306391B2
公开(公告)日：2016-04-05
申请号：US13842844
申请日：2013-03-15
Applicant: General Electric Company
CPC classification number: H02J1/00 , H02J3/36 , H02J3/386 , H02J13/0086 , Y02E10/763 , Y02E40/72 , Y02E60/60 , Y04S10/123 , Y10T307/549
Abstract: A direct current (DC) transmission and distribution (T&D) system includes a plurality of DC-to-DC converter devices defining a plurality of isolatable portions of the DC T&D system. The DC T&D system also includes a DC T&D control system coupled to the DC-to-DC converter devices. The DC T&D control system includes a plurality of current sensors. At least one of the current sensors is positioned at one of the DC-to-DC converter devices. The current sensor is configured to transmit signals representative of a value of DC electric current transmission through the DC-to-DC converter device. The DC T&D control system also includes a plurality of processors. At least one processor is coupled to the current sensor and the DC-to-DC converter device. The processor is configured to regulate DC current transmission through the DC-to-DC converter device as a function of the value of DC current transmission through the DC-to-DC converter device.
Abstract translation: 直流（DC）传输和分配（T＆D）系统包括限定DC T＆D系统的多个可隔离部分的多个DC-DC转换器装置。 DC T＆D系统还包括耦合到DC-DC转换器设备的DC T＆D控制系统。 DC T＆D控制系统包括多个电流传感器。 至少一个电流传感器位于DC-DC转换器装置之一处。 电流传感器被配置为传送表示通过DC-DC转换器装置的DC电流传输的值的信号。 DC T＆D控制系统还包括多个处理器。 至少一个处理器耦合到电流传感器和DC-DC转换器装置。 处理器被配置为根据通过DC-DC转换器装置的DC电流传输的值来调节通过DC-DC转换器装置的DC电流传输。
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7.发明申请HYBRID HIGH VOLTAGE DIRECT CURRENT CONVERTER SYSTEM AND METHOD OF OPERATING THE SAME 有权混合高电压直流电流转换器系统及其运行方法公开(公告)号：US20150256094A1
公开(公告)日：2015-09-10
申请号：US14201062
申请日：2014-03-07
Applicant: General Electric Company
Inventor： Nilanjan Ray Chaudhuri , Ranjan Kumar Gupta , Einar Vaughn Larsen
CPC classification number: H02M5/4585 , H02J3/36 , H02M7/7575 , Y02E60/60
Abstract: A hybrid HVDC converter system includes a DC bus, at least one capacitor commutated converter (CCC) and at least one self-commutated converter (SCC) coupled in series through the DC bus. The CCC induces a first voltage on the DC buses, the SCC induces a second voltage on the DC bus, the first voltage and the second voltage are summed to define a total DC voltage. The method includes at least one of regulating the total DC voltage induced on the DC buses including regulating the first DC voltage through the CCC and regulating the second DC voltage through the SCC substantially simultaneously, regulating the total DC voltage induced on the DC bus including regulating the second DC voltage through the SCC, and regulating the total DC voltage induced on the DC bus including regulating the first DC voltage through the CCC.
Abstract translation: 混合HVDC转换器系统包括DC总线，至少一个电容整流转换器（CCC）和至少一个通过DC总线串联耦合的自整流转换器（SCC）。 CCC在DC总线上引入第一电压，SCC在DC总线上产生第二电压，将第一电压和第二电压相加以定义总直流电压。 该方法包括至少一个调节在直流总线上感应的总直流电压，包括通过CCC调节第一直流电压并且基本上同时调节通过SCC的第二直流电压，调节在直流总线上引起的总直流电压，包括调节 通过SCC的第二直流电压，并调节直流总线上感应的总直流电压，包括通过CCC调节第一直流电压。
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8.发明申请METHOD AND SYSTEM FOR ARCHITECTURE, CONTROL, AND PROTECTION SYSTEMS OF MODULAR STACKED DIRECT CURRENT SUBSEA POWER SYSTEM 有权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：US20150070802A1
公开(公告)日：2015-03-12
申请号：US14024315
申请日：2013-09-11
Applicant: General Electric Company
Inventor： Dong Dong , Rixin Lai , Song Chi , Ranjan Kumar Gupta , Di Zhang
IPC: H02H3/16
Abstract: 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.
Abstract translation: 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。
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9.发明申请HIGH VOLTAGE DIRECT CURRENT (HVDC) CONVERTER SYSTEM AND METHOD OF OPERATING THE SAME 有权高压直流电（HVDC）转换器系统及其运行方法公开(公告)号：US20140268926A1
公开(公告)日：2014-09-18
申请号：US13826583
申请日：2013-03-14
Applicant: GENERAL ELECTRIC COMPANY
Inventor： Ranjan Kumar Gupta , Nilanjan Ray Chaudhuri , Luis Jose Garces , Rajib Datta
IPC: H02M5/44
CPC classification number: H02M5/44 , H02M1/126 , H02M1/15 , H02M7/7575 , H02M2001/0077 , Y02E60/60
Abstract: A high voltage direct current (HVDC) converter system includes a line commutated converter (LCC) configured to convert a plurality of AC voltages and currents to a regulated DC voltage of one of positive and negative polarity and a DC current transmitted in only one direction. The HVDC converter system also includes a buck converter configured to convert a plurality of AC voltages and currents to a regulated DC voltage of one of positive and negative polarity and a DC current transmitted in one of two directions. The LCC and the buck converter are coupled in parallel to an AC conduit and are coupled in series to a DC conduit. The HVDC converter system further includes a filtering device coupled in parallel to the buck converter through the AC conduit. The filtering device is configured to inject AC current having at least one harmonic frequency into the AC conduit.
Abstract translation: 高压直流（HVDC）转换器系统包括线路整流转换器（LCC），其被配置为将多个AC电压和电流转换成正极性和负极性之一的稳压DC电压以及仅在一个方向上传输的DC电流。 HVDC转换器系统还包括降压转换器，其被配置为将多个AC电压和电流转换成正极性和负极性之一的稳压DC电压以及沿两个方向之一传输的DC电流。 LCC和降压转换器并联耦合到AC导管并且串联耦合到DC导管。 HVDC转换器系统还包括通过AC导管并联耦合到降压转换器的滤波装置。 滤波装置被配置为将具有至少一个谐波频率的AC电流注入到AC导管中。
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公开(公告)号：US20150256093A1
公开(公告)日：2015-09-10
申请号：US14200937
申请日：2014-03-07
Applicant: General Electric Company
Inventor： Ranjan Kumar Gupta , Luis Jose Garces , Ravisekhar Nadimpalli Raju
CPC classification number: H02M5/4585 , H02J3/36 , H02M1/12 , H02M3/158 , H02M7/162 , H02M7/521 , H02M7/7575 , H02M2001/007 , H02M2001/0077 , H02M2007/4835 , Y02E60/60
Abstract: A hybrid HVDC converter system includes at least one alternating current (AC) conduit, at least one transformer coupled to said at least one AC conduit, and at least one direct current (DC) conduit. The hybrid HVDC converter system also includes at least one capacitor commutated converter (CCC) configured to convert AC voltages and AC currents to a DC voltage and DC current. The at least one CCC is coupled to the at least one AC conduit through the at least one transformer. The hybrid HVDC converter system further includes at least one self-commutated converter (SCC) configured to convert AC voltages and AC currents to a regulated DC voltage and DC current. The at least one SCC includes at least one AC/DC stage and at least one DC/DC stage coupled to the at least one AC/DC stage.
Abstract translation: 混合HVDC转换器系统包括至少一个交流（AC）导管，耦合到所述至少一个AC导管的至少一个变压器和至少一个直流（DC）导管。 混合HVDC转换器系统还包括被配置为将AC电压和AC电流转换为DC电压和DC电流的至少一个电容器换向转换器（CCC）。 所述至少一个CCC通过所述至少一个变压器耦合到所述至少一个AC导管。 混合HVDC转换器系统还包括至少一个自整流转换器（SCC），其配置成将AC电压和AC电流转换成稳压的DC电压和DC电流。 所述至少一个SCC包括耦合到所述至少一个AC / DC级的至少一个AC / DC级和至少一个DC / DC级。
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