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1. 发明申请

WO2016146746A1 POWER TRANSMISSION NETWORK 审中-公开
标题翻译：电力传输网络
公开(公告)号：WO2016146746A1
公开(公告)日：2016-09-22
申请号：PCT/EP2016/055808
申请日：2016-03-17
申请人： GENERAL ELECTRIC TECHNOLOGY GMBH
发明人： ADAMCZYK, Andrzej , BARKER, Carl David , WHITEHOUSE, Robert Stephen
IPC分类号： H02J3/36 , H02M7/757
CPC分类号： H02J3/36 , H02J3/386 , H02M7/17 , H02M7/493 , H02M7/7575 , Y02E10/763 , Y02E60/60
摘要： A power transmission network, for interconnecting at least one variable power source (28) and at least one AC electrical network (30), comprises: at least one DC transmission link (20) for DC power transmission between at least one network side converter (24) and at least one source side converter (24); at least one AC transmission link (26) for AC power transmission from the or the respective variable power source (28) to at least one source side converter (24); at least one source side converter (24) including: a DC connecting point operably connected to the or the respective DC transmission link (20); and an AC connecting point operably connected to the or the respective AC transmission link (26); at least one network side converter (22) including: an AC connecting point for connection to the or the respective AC electrical network (30); and a DC connecting point operably connected to the or the respective DC transmission link (20); and a control system (32a,32b,34), wherein at least one network side converter (22) is designated as a first converter, and the control system (32a,32b,34) is configured to operate the or each first converter in a DC voltage control mode as a DC slack bus to vary a DC voltage at its DC connecting point with respect to the power generated by the or the respective variable power source (28).
摘要翻译：用于互连至少一个可变电源（28）和至少一个AC电网（30）的电力传输网络包括：至少一个DC传输链路（20），用于在至少一个网络侧转换器（ 24）和至少一个源极侧转换器（24）; 至少一个AC传输链路（26），用于从所述或相应的可变电源（28）到至少一个源侧转换器（24）的AC电力传输; 至少一个源极侧转换器（24），包括：可操作地连接到或相应的DC传输链路（20）的DC连接点; 以及可操作地连接到或相应的AC传输链路（26）的AC连接点; 至少一个网络侧转换器（22），包括：用于连接到或相应AC电网（30）的AC连接点; 以及可操作地连接到或相应的DC传输链路（20）的DC连接点; 以及控制系统（32a，32b，34），其中至少一个网络侧转换器（22）被指定为第一转换器，并且所述控制系统（32a，32b，34）被配置为将所述或每个第一转换器直流电压控制模式作为DC松弛总线，以相对于由相应的可变电源（28）产生的功率改变其DC连接点处的DC电压。

2. 发明申请

WO2021165119A1 CIRCUIT INTERRUPTION DEVICE 审中-公开
公开(公告)号：WO2021165119A1
公开(公告)日：2021-08-26
申请号：PCT/EP2021/053209
申请日：2021-02-10
申请人： GENERAL ELECTRIC TECHNOLOGY GMBH
发明人： WHITEHOUSE, Robert , ADAMCZYK, Andrzej
IPC分类号： H02H3/08 , H01H9/54 , H01H33/59 , H02H3/02 , H02H3/05
摘要： A circuit interruption device (20) comprises: first and second terminals (22, 24) for connection, in use, to a respective electrical circuit or network (34); a current-conductive branch including first, second and third current-conductive branch portions successively connected in series between the first and second terminals (22, 24), the first current-conductive branch portion including a first switching element (36), the second current-conductive branch portion including a second switching element (38), the third current-conductive branch portion including a third switching element (40), each switching element (36,38,40) configured to be switchable to selectively permit and block a flow of current (46) in the respective current-conductive branch portion; first and second current bypass paths (28,30), the first current bypass path (28) connected across the first and second current-conductive branch portions, the second current bypass path (30) connected across the second and third current-conductive branch portions; and a controller (32) configured to selectively control the switching of the switching elements (36, 38, 40) to control a flow of current (46) between the first and second terminals (22, 24) so that: (i) in a first mode of operation of the circuit interruption device (20,120, 220), the current (46) is permitted to flow through the first, second and third current- conductive branch portions and is blocked from flowing through the current bypass paths (28, 30); and (ii) in a second mode of operation of the circuit interruption device (20,120, 220), the current (46) is blocked from flowing through the first and third current-conductive branch portions and is permitted to flow through the current bypass paths (28, 30) so as to reverse a direction of current (46) flowing through the second current-conductive branch portion.

3. 发明申请

WO2022233702A1 ELECTRICAL ASSEMBLY 审中-公开
公开(公告)号：WO2022233702A1
公开(公告)日：2022-11-10
申请号：PCT/EP2022/061337
申请日：2022-04-28
申请人： GENERAL ELECTRIC TECHNOLOGY GMBH
发明人： ZOU, Li , ADAMCZYK, Andrzej , BARKER, Carl , FRADLEY, John
IPC分类号： H02J3/12
摘要： There is provided an electrical assembly (20) comprising: a voltage sourced converter (22) for connection to an AC network (30); a controller (40) programmed so that, responsive to detection of a fault in the AC network (30), the controller (40): obtains a first set of voltage and current measurements taken at an interface connection point (PCC) between the voltage sourced converter (22) and the AC network (30); after obtaining the first set of voltage and current measurements, change operation of the voltage sourced converter to inject a modified fault current, and then obtain a second set of voltage and current measurements taken at the interface connection point (PCC); using the first and second sets of voltage and current measurements, determine operating parameters of the voltage sourced converter (22) for injecting a target fault current having a target phase angle that is the same, or substantially the same, as a phase angle of a reference fault current that would have resulted from operation of the voltage sourced converter (22) in accordance with pre-fault steady-state voltage phase and magnitude values; and operate the voltage sourced converter (22) in accordance with the determined operating parameters so as to inject the target fault current at the target phase angle.

4. 发明申请

WO2016146507A1 START-UP OF HVDC NETWORKS 审中-公开
标题翻译： HVDC网络启动
公开(公告)号：WO2016146507A1
公开(公告)日：2016-09-22
申请号：PCT/EP2016/055246
申请日：2016-03-11
申请人： GENERAL ELECTRIC TECHNOLOGY GMBH
发明人： GUPTA, Robin , BARKER, Carl , ADAMCZYK, Andrzej
IPC分类号： H02J1/02 , H02J3/36
CPC分类号： H02J1/02 , H02J3/36 , H02J2003/365 , Y02E60/60
摘要： This application describes methods and apparatus for controlling a voltage source converter (101a) to energise a DC link (103). A voltage order generating module (300) generates a voltage order (V ORD ) for controlling the voltage source converter to generate a DC voltage on the DC link. An oscillation damping module (302) monitors the DC current flow (l DC ) to determine an indication (D) of current oscillation and the voltage order is based on a voltage reference signal (R v ) which is modulated by the indication of current oscillation to provide oscillation damping.
摘要翻译：本申请描述了用于控制电压源转换器（101a）以激励DC链路（103）的方法和装置。电压指令生成模块（300）产生用于控制电压源转换器以在DC链路上产生直流电压的电压次序（VORD）。振荡阻尼模块（302）监视直流电流（1DC）以确定当前振荡的指示（D），并且电压次序基于由当前振荡的指示调制的电压参考信号（Rv），以提供振荡阻尼。

5. 发明申请

WO2018149645A1 RIPPLE CONTROL AND OPTIMISATION IN A POWER TRANSMISSION NETWORK 审中-公开
公开(公告)号：WO2018149645A1
公开(公告)日：2018-08-23
申请号：PCT/EP2018/052401
申请日：2018-01-31
申请人： GENERAL ELECTRIC TECHNOLOGY GMBH
发明人： ADAMCZYK, Andrzej , KING, Rosemary , TZIMAS, Antonios
IPC分类号： H02J3/36 , H02M1/15 , H02J3/01 , H02J3/18 , H04B3/54
摘要： There is disclosed a controller (112) for a power electronic network element (110) of a power transmission network (100), wherein the controller (112) is configured to vary a control parameter of the network element (110) which at least partly determines a ripple profile in a transmission line of the network. The controller (112) is configured to vary the control parameter between at least a first value and second value to cause the ripple profile in the transmission line to change; and the controller is configured to vary the control parameter periodically or in response to a signal indicating a threshold temperature at a hotspot location along the transmission line. A method of optimising control parameters for a power transmission network (100) is also disclosed.

6. 发明申请

WO2017198724A1 CONTROL OF VOLTAGE SOURCE CONVERTERS 审中-公开
标题翻译：电压源转换器的控制
公开(公告)号：WO2017198724A1
公开(公告)日：2017-11-23
申请号：PCT/EP2017/061861
申请日：2017-05-17
申请人： GENERAL ELECTRIC TECHNOLOGY GMBH
发明人： ADAMCZYK, Andrzej
IPC分类号： H02M1/32 , H02M7/483 , H02M1/00
摘要： This application relates to methods and apparatus for control of voltage source converters (VSCs). The control apparatus has a reference voltage generator (402) configured to generate a voltage control signal as part of a voltage control loop. The reference voltage generator may be a DC voltage/power controller (402) operated to regulate DC voltage or power and may generate the voltage control signal, such as a voltage reference, based on a feedback DC voltage/power signal and a defined set-point. An overcurrent controller (403) is configured to generate a current control signal for modulating the voltage control signal to prevent an overcurrent. The overcurrent controller generates the current control signal as part of a control path that is independent from the voltage control loop. The DC voltage/power controller (402) may thus directly generate a voltage reference and may act to keep the DC voltage substantially constant over the time scale of short term transients, with the overcurrent controller (403) providing current limiting only when required.
摘要翻译：本申请涉及用于控制电压源转换器（VSC）的方法和装置。控制装置具有参考电压发生器（402），其被配置为生成电压控制信号作为电压控制回路的一部分。参考电压发生器可以是被操作以调节DC电压或功率并且可以基于反馈DC电压/功率信号和定义的设定电压信号生成电压控制信号（例如电压参考）的DC电压/功率控制器（402）点。过电流控制器（403）被配置为生成用于调制电压控制信号以防止过电流的电流控制信号。过电流控制器产生电流控制信号作为独立于电压控制回路的控制路径的一部分。 DC电压/功率控制器（402）因此可以直接生成电压参考并且可以用于在短时瞬变的时间范围内保持DC电压基本恒定，而过电流控制器（403）仅在需要时才提供电流限制。 / p>

7. 发明申请

WO2016146791A1 IMPROVEMENTS IN OR RELATING TO ELECTRICAL ASSEMBLIES 审中-公开
标题翻译：改善或相关于电气装置
公开(公告)号：WO2016146791A1
公开(公告)日：2016-09-22
申请号：PCT/EP2016/055893
申请日：2016-03-17
申请人： GENERAL ELECTRIC TECHNOLOGY GMBH
发明人： WHITEHOUSE, Robert Stephen , GUPTA, Robin , ADAMCZYK, Andrzej
IPC分类号： H02M7/483 , H02M1/32
CPC分类号： H02M7/483 , H02M2001/325 , H02M2007/4835
摘要： In the field of electrical assemblies for interconnecting AC and DC electrical networks, an electrical assembly (S) comprises a converter (10) to transfer power between the AC and DC electrical networks (22, 30). The converter (10) includes first and second DC terminals (26, 28) that are connectable to the DC electrical network (30) and between which extends at least one converter limb (16, 18, 20). The or each converter limb (16, 18, 20) includes first and second converter limb portions (12A, 12B, 12C, 14A, 14B, 14C) which are separated by an AC terminal (24A, 24B, 24C). Each converter limb portion (12A, 12B, 12C, 14A, 14B, 14C) includes a primary switching element (32) that is operable to facilitate power transfer between the corresponding AC and DC terminals (24A, 24B, 24C, 26, 28) during normal operation of the converter (10). At least one converter limb portion (12A, 12B, 12C, 14A, 14B, 14C) within the or each converter limb (16, 18, 20) further includes an energy absorption module (34) that includes a secondary switching element (50) and an energy absorber (52). The or each energy absorption module (34) is operable in a bypass mode in which the secondary switching element (50) causes current flowing through the corresponding converter limb portion (12A, 12B, 12C, 14A, 14B, 14C) to bypass the energy absorber (52) and in an absorption mode in which the secondary switching element (50) causes current flowing through the corresponding converter limb portion (12A, ~2B, 12C, 14A, 14B, 14C) to flow through the energy absorber (52). The electrical assembly (8) also includes an AC circuit breaker (70) which is arranged in use between the AC terminal (24A, 24B, 24C) of the or each converter limb (16, 18, 20) and the AC electrical network (22). The AC circuit breaker (70) is selectively openable to electrically isolate the converter (10) from the AC electrical network (22). In addition the electrical assembly (8) also includes a control unit (80) that is operatively associated with the converter (10) and the AC circuit breaker (70). The control unit (80) is programmed during normal operation of the converter (10) to operate the or each energy absorption module (34) within the converter (10) in its bypass mode. The control unit (80) is also programmed following occurrence of a DC fault to (i) initiate opening of the AC circuit breaker (70) to electrically isolate the converter (10) from the AC electrical network (22) and then (ii) switch the or each energy absorption module (34) to operate in its absorption mode to remove a DC fault current (loc) trapped within an augmented DC fault current path (76) created by the isolated converter (10) and the DC electrical network (30).
摘要翻译：在用于互连AC和DC电气网络的电气组件领域中，电气组件（S）包括用于在AC和DC电力网络（22,30）之间传递电能的转换器（10）。转换器（10）包括可连接到DC电网（30）的第一和第二DC端子（26,28），并且其间延伸至少一个转换器臂（16,18,20）。每个转换器支路（16,18,20）包括由AC端子（24A，24B，24C）隔开的第一和第二转换器支路部分（12A，12B，12C，14A，14B，14C）。每个转换器分支部分（12A，12B，12C，14A，14B，14C）包括主开关元件（32），其可操作以便于相应的AC和DC端子（24A，24B，24C，26,28）之间的功率传递，在转换器（10）的正常操作期间。所述转换器支路（16,18,20）内的至少一个转换器支路部分（12A，12B，12C，14A，14B，14C）还包括能量吸收模块（34），其包括次级开关元件（50）和能量吸收器（52）。所述或每个能量吸收模块（34）可操作在旁路模式中，其中次级开关元件（50）使电流流过相应的转换器支路部分（12A，12B，12C，14A，14B，14C）以绕过能量并且在二次开关元件（50）引起电流流过相应的转换器侧部分（12A，〜2B，12C，14A，14B，14C）的液体流过能量吸收器（52）的吸收模式中，。电气组件（8）还包括一个交流断路器（70），其被安排在使用中或者每个转换器支路（16,18,20）的交流端子（24A，24B，24C）和交流电网络 22）。交流断路器（70）选择性地可打开以将变换器（10）与交流电网（22）电隔离。另外，电气组件（8）还包括与转换器（10）和AC断路器（70）可操作地相关联的控制单元（80）。控制单元（80）在转换器（10）的正常操作期间被编程，以在旁路模式下操作转换器（10）内的每个能量吸收模块（34）。在发生DC故障之后，控制单元（80）也被编程为（i）启动AC断路器（70）的开路以将变换器（10）与AC电网（22）电隔离，然后（ii）切换或吸收每个能量吸收模块（34）以在其吸收模式下操作以去除由隔离转换器（10）和DC电网（10）创建的增强的直流故障电流路径（76）内的直流故障电流（loc） 30）。

8. 发明申请

WO2016146747A1 POWER TRANSMISSION NETWORK 审中-公开
标题翻译：电力传输网络
公开(公告)号：WO2016146747A1
公开(公告)日：2016-09-22
申请号：PCT/EP2016/055809
申请日：2016-03-17
申请人： GENERAL ELECTRIC TECHNOLOGY GMBH
发明人： ADAMCZYK, Andrzej , BARKER, Carl David , WHITEHOUSE, Robert Stephen
IPC分类号： H02J3/36 , H02M1/32
CPC分类号： H02J3/36 , H02J3/386 , H02M1/32 , H02M7/7575 , Y02E10/763 , Y02E60/60
摘要： A power transmission network comprises: an AC electrical system (28); an AC transmission link (26) for AC power transmission from the AC electrical system (28) to at least one first AC-DC converter (24); at least one first AC-DC converter (24) including: an AC connecting point operably connected to the AC transmission link (26); and a DC connecting point for connection to a DC transmission link (20); and a control system (32a) configured to operate the or each first AC-DC converter (24) in an AC voltage control mode as an AC slack bus to control a magnitude and/or a frequency of an AC voltage of the AC transmission link (26) at a or a respective steady- state value and thereby facilitate a power transfer between its AC and DC connecting points so as to accommodate a power generated by or supplied to the AC electrical system (28), wherein the control system (32a) is further configured to operate the or each first AC-DC converter (24) in a converter protection mode to regulate the or the respective steady-state value of the magnitude and/or frequency of the AC voltage of the AC transmission link (26) to protect the or each first AC-DC converter (24) from an overvoltage and/or an overcurrent.
摘要翻译：电力传输网络包括：交流电气系统（28）; AC传输链路（26），用于从AC电气系统（28）到至少一个第一AC-DC转换器（24）的AC电力传输; 至少一个第一AC-DC转换器（24），包括：可操作地连接到所述AC传输链路（26）的AC连接点; 以及用于连接到DC传输链路（20）的DC连接点; 以及控制系统（32a），被配置为以AC电压控制模式操作所述或每个第一AC-DC转换器（24）作为AC松弛总线，以控制AC传输链路的AC电压的幅度和/或频率（26）处于或相应的稳定状态值，从而促进其AC和DC连接点之间的功率传递，以便适应由AC电气系统（28）产生或供应到AC电力系统（28）的功率，其中控制系统）还被配置为以转换器保护模式操作或每个第一AC-DC转换器（24）以调节AC传输链路（26）的AC电压的幅度和/或频率的相应稳态值）以保护或每个第一AC-DC转换器（24）不受过电压和/或过电流的影响。

9. 发明申请

WO2021244979A1 IMPROVEMENTS IN OR RELATING TO VOLTAGE SOURCE CONVERTERS 审中-公开
公开(公告)号：WO2021244979A1
公开(公告)日：2021-12-09
申请号：PCT/EP2021/064396
申请日：2021-05-28
申请人： GENERAL ELECTRIC TECHNOLOGY GMBH
发明人： BRIFF, Pablo , ADAMCZYK, Andrzej , SINGHAL, Sameer
IPC分类号： H02M1/00 , H02M7/483 , H02M1/0003 , H02M1/0012 , H02M1/0025 , H02M7/4835
摘要： In the field of voltage source converters, for power conversion between alternating current (AC) and direct current (DC) in high voltage direct current (HVDC) power transmission networks, there is a need for an improved voltage source converter. A voltage source converter (10) comprises first and second DC terminals (12, 14), which are for connection to a DC network, and which have at least one converter limb (16A, 16B, 16C) extending therebetween. The or each converter limb (16A, 16B, 16C) includes first and second limb portions (18A, 18B, 18C, 20A, 20B, 20C) that are separated by a corresponding AC terminal (22A, 22B, 22C), which are for connection to a respective phase (A, B, C) of an AC network. Each limb portion (18A, 18B, 18C, 20A, 20B, 20C) includes a chain-link converter (24) that extends between the associated AC terminal (22A, 22B, 22C) and a corresponding one of the first or the second DC terminal (12, 14). Each chain-link converter (24) also includes a chain-link converter controller (26) which is programmed to control a plurality of series connected chain-link modules (28), each of which has a plurality of switching elements that are connected in parallel with an energy storage device, and whereby each chain-link converter (24) is controllable to provide a stepped variable voltage source. The voltage source converter (10) additionally includes a voltage source converter controller (30) which is arranged in operative communication with each chain-link converter controller (26) to coordinate operation of the chain-link converters (24). At least one chain-link converter controller (26) is programmed to establish at a first time instant a total voltage sum of all energies stored by the energy storage devices in each chain-link converter (24) within the voltage source converter (10), and to send the established total voltage sum to the voltage source converter controller (30). The voltage source converter controller (30) is programmed to establish a modulation index demand for each chain-link converter (24). Each said modulation index demand corresponds to a chain-link converter voltage reference, that the corresponding chain-link converter (24) is required to produce, divided by the received total voltage sum. In addition, the voltage source converter controller (30) is further programmed to send the established modulation index demand to each corresponding chain-link converter controller (26). In turn, each chain-link converter controller (26) is further programmed to reconstruct from the received modulation index demand the chain-link converter voltage reference, which the chain-link converter (24) it is controlling is required to produce, by multiplying the received modulation index demand by the total voltage sum established at the first time instant.

10. 发明申请

WO2018100051A1 IMPROVEMENTS IN OR RELATING TO HVDC POWER CONVERTERS 审中-公开
公开(公告)号：WO2018100051A1
公开(公告)日：2018-06-07
申请号：PCT/EP2017/080951
申请日：2017-11-30
申请人： GENERAL ELECTRIC TECHNOLOGY GMBH
发明人： ADAMCZYK, Andrzej , GUPTA, Robin
IPC分类号： H02M1/32 , H02M7/483 , H02M1/36
CPC分类号： H02M7/483 , H02M1/32 , H02M1/36 , H02M2001/322 , H02M2007/4835
摘要： In the field of high voltage direct current (HVDC) power converters there is provided a HVDC power converter (10; 70; 80; 90; 100) which comprises first and second DC terminals (12, 14) for connection to a DC network (16). The power converter (10; 70; 80; 90; 100) also includes at least one converter limb (18A, 18B, 18C). The or each converter limb (18A, 18B, 18C) extends between the first and second DC terminals (12, 4) and includes first and second limb portions (22A, 22B, 22C, 24A, 24B, 24C) that are separated by a respective AC terminal (26A, 26B, 26C). The AC terminal (26A, 26B, 26C) of the or each converter limb (18A, 18B, 18C) is for connection to a respective AC phase (a, b, c) of an AC network (20). The or each first limb portion (22A, 22B, 22C) extends between the first DC terminal (12) and a corresponding AC terminal (26A, 26B, 26C), and the or each second limb portion (24A, 24B, 24C) extends between the second DC terminal(14) and a corresponding AC terminal (26A, 26B, 26C). Each limb portion (22A, 22B, 22C, 24A, 24B, 24C) includes a respective valve (28) that is operable to selectively permit the flow of current through the corresponding limb portion (22A, 22B, 22C, 24A, 24B, 24C) and hence between a respective DC terminal (12, 14) and the corresponding AC terminal(26A, 26B, 26C) to thereby in use transfer power between the DC and AC networks (16, 20). The power converter (10; 70; 80; 90; 100) also includes at least one discharge circuit (44) which is electrically connected between at least one converter limb (18A, 18B, 18C) and ground (50) to selectively provide a current discharge path (54) from the or each converter limb (18A, 8B, 18C) to ground (50).

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