公开(公告)号：US09246327B2

公开(公告)日：2016-01-26

申请号：US14367507

申请日：2011-12-21

申请人： Dimitris Giannoccaro ,  Soubhik Auddy ,  Mats Hyttinen ,  Mukherjee Subhasish ,  Tomas Jonsson ,  Bopparaju Gopichand ,  Carl Heyman

发明人： Dimitris Giannoccaro ,  Soubhik Auddy ,  Mats Hyttinen ,  Mukherjee Subhasish ,  Tomas Jonsson ,  Bopparaju Gopichand ,  Carl Heyman

IPC分类号： H02H7/00 ,  H02H9/02 ,  H02J3/36 ,  H02H9/04

CPC分类号： H02H9/025 ,  H02H9/04 ,  H02J3/36 ,  Y02E60/60

摘要： An arrangement for controlling the electric power transmission in a high voltage direct current, HVDC, power transmission system includes at least one HVDC transmission or distribution line for carrying direct current, DC, and the arrangement includes an apparatus connectable to the HVDC transmission or distribution line, the apparatus being arranged to control the direct current of the HVDC transmission or distribution line by introducing a DC voltage in series with the HVDC transmission or distribution line. The arrangement includes a protection device for protecting the apparatus against over-current or overvoltage occurrences. The protection device includes a bypass device connectable to the HVDC transmission or distribution line and connected in parallel with the apparatus. The bypass device is arranged to be in a non-conducting mode and arranged to be set to a conducting mode. When being in the conducting mode, the bypass device is arranged to conduct direct current of the HVDC transmission or distribution line to electrically bypass the apparatus. A HVDC power transmission system includes at least one arrangement of the above-mentioned sort. A method for protecting an apparatus against over-current or overvoltage occurrences, the apparatus being included in an arrangement of the above-mentioned sort.

摘要翻译： 用于控制高压直流HVDC电力传输系统中的电力传输的装置包括用于承载直流DC的至少一个HVDC传输或分配线，并且该装置包括可连接到HVDC传输或分配线路 该装置被配置为通过与HVDC传输或分配线串联引入DC电压来控制HVDC传输或配电线路的直流电流。 该装置包括用于保护装置免受过电流或过电压事件的保护装置。 保护装置包括可连接到HVDC传输或配电线路并与设备并联连接的旁路设备。 旁路装置被布置成处于非导通模式并且被布置成被设置为导通模式。 当处于导通模式时，旁路装置被布置成传导HVDC传输或分配线路的直流电以电气旁路设备。 HVDC电力传输系统包括上述类型的至少一种布置。 一种用于保护装置免受过电流或过电压发生的方法，该装置被包括在上述类型的布置中。

公开(公告)号：US20150108846A1

公开(公告)日：2015-04-23

申请号：US14401960

申请日：2013-02-01

申请人： Hailian Xie ,  Bin Li ,  Carl Heyman

发明人： Hailian Xie ,  Bin Li ,  Carl Heyman

IPC分类号： H02J3/24

CPC分类号： H02J3/24 ,  H02J3/1807 ,  Y02E40/30

摘要： Method and apparatus for mitigating SSR in power transmission system are provided. The method comprises: checking whether the sub-synchronous resonance (SSR) happens in the power transmission system; checking whether the sub-synchronous resonance is undamped; providing a command to bypass the SC unit when the SSR happens and is undamped. In some embodiments, the method further comprises providing a command to reinsert the SC unit into the power transmission system when the transmission level of the power transmission system is determined to be higher than a predetermined level and there is no fault in the power system. The invention also relates to a corresponding apparatus which can implement the method of the invention.

摘要翻译： 提供了减轻输电系统SSR的方法和装置。 该方法包括：检查电力传输系统中是否发生子同步谐振（SSR）; 检查子同步谐振是否阻尼; 当SSR发生时，提供一个绕过SC单元的命令，并且不起作用。 在一些实施例中，该方法还包括当电力传输系统的传输电平被确定为高于预定电平并且在电力系统中没有故障时提供命令将SC单元重新插入电力传输系统。 本发明还涉及可实现本发明方法的相应设备。

公开(公告)号：US20150029621A1

公开(公告)日：2015-01-29

申请号：US14367507

申请日：2011-12-21

申请人： Dimitris Giannoccaro ,  Soubhik Auddy ,  Mats Hyttinen ,  Mukherjee Subhasish ,  Tomas Jonsson ,  Bopparaju Gopichand ,  Carl Heyman

发明人： Dimitris Giannoccaro ,  Soubhik Auddy ,  Mats Hyttinen ,  Mukherjee Subhasish ,  Tomas Jonsson ,  Bopparaju Gopichand ,  Carl Heyman

IPC分类号： H02H9/02 ,  H02H9/04

CPC分类号： H02H9/025 ,  H02H9/04 ,  H02J3/36 ,  Y02E60/60

摘要： An arrangement for controlling the electric power transmission in a high voltage direct current, HVDC, power transmission system includes at least one HVDC transmission or distribution line for carrying direct current, DC, and the arrangement includes an apparatus connectable to the HVDC transmission or distribution line, the apparatus being arranged to control the direct current of the HVDC transmission or distribution line by introducing a DC voltage in series with the HVDC transmission or distribution line. The arrangement includes a protection device for protecting the apparatus against over-current or overvoltage occurrences. The protection device includes a bypass device connectable to the HVDC transmission or distribution line and connected in parallel with the apparatus. The bypass device is arranged to be in a non-conducting mode and arranged to be set to a conducting mode. When being in the conducting mode, the bypass device is arranged to conduct direct current of the HVDC transmission or distribution line to electrically bypass the apparatus. A HVDC power transmission system includes at least one arrangement of the above-mentioned sort. A method for protecting an apparatus against over-current or overvoltage occurrences, the apparatus being included in an arrangement of the above-mentioned sort.

摘要翻译： 用于控制高压直流HVDC电力传输系统中的电力传输的装置包括用于承载直流DC的至少一个HVDC传输或分配线，并且该装置包括可连接到HVDC传输或分配线路 该装置被配置为通过与HVDC传输或分配线串联引入DC电压来控制HVDC传输或配电线路的直流电流。 该装置包括用于保护装置免受过电流或过电压事件的保护装置。 保护装置包括可连接到HVDC传输或配电线路并与设备并联连接的旁路设备。 旁路装置被布置成处于非导通模式并且被布置成被设置为导通模式。 当处于导通模式时，旁路装置被布置成传导HVDC传输或分配线路的直流电以电气旁路设备。 HVDC电力传输系统包括上述类型的至少一种布置。 一种用于保护装置免受过电流或过电压发生的方法，该装置被包括在上述类型的布置中。