公开(公告)号：EP3091621A1

公开(公告)日：2016-11-09

申请号：EP14876231.3

申请日：2014-12-24

申请人： Hyosung Corporation

发明人： KIM, June Sung ,  JUNG, Hong Ju

IPC分类号： H02B11/127 ,  H02J1/00

CPC分类号： H02B11/127 ,  H02B11/173 ,  H02J1/00 ,  H02J1/10 ,  H02J3/36 ,  H02M7/003 ,  Y02E60/60

摘要： The present invention relates to a module extraction apparatus of a high voltage direct current system. In the present invention, a fixed base (30) is secured to a structure (82), and a sub-module (10) is mounted on a movable base (60) that slides on the fixed base (30), thereby enabling the sub-module (10) to be extracted from the structure (82). The sub-module (10) may be separated into a power unit (12) and a capacitor unit (24) which may be separately extracted from the structure (82). A connection support (84) is connected to the fixed base (30) and installed to protrude toward the outside of the structure (82), and the tip end of the connection support (84) extending toward the outside of the structure (82) is supported by a wire (86). As described above, the present invention has an advantage of more easily extracting the module, which is a heavy object, from the structure (82) to carry out the maintenance thereof.

摘要翻译： 本发明涉及高压直流系统的模块提取装置。 在本发明中，固定基座（30）固定在结构（82）上，子模块（10）安装在在固定基座（30）上滑动的可动基座（60）上， 子模块（10）从结构（82）提取。 子模块（10）可以被分离成可以从结构（82）单独提取的功率单元（12）和电容器单元（24）。 连接支撑件（84）连接到固定基座（30）并且安装成朝向结构（82）的外侧突出，并且连接支撑件（84）的顶端朝向结构（82）的外部延伸， 由导线（86）支撑。 如上所述，本发明具有从结构（82）更容易地提取作为重物的模块进行维护的优点。

公开(公告)号：EP3091621B1

公开(公告)日：2018-10-17

申请号：EP14876231.3

申请日：2014-12-24

申请人： Hyosung Corporation

发明人： KIM, June Sung ,  JUNG, Hong Ju

IPC分类号： H02B11/127 ,  H02J1/00 ,  H02M7/00

CPC分类号： H02B11/127 ,  H02B11/173 ,  H02J1/00 ,  H02J1/10 ,  H02J3/36 ,  H02M7/003 ,  Y02E60/60

摘要： The present invention relates to a module extraction apparatus of a high voltage direct current system. In the present invention, a fixed base (30) is secured to a structure (82), and a sub-module (10) is mounted on a movable base (60) that slides on the fixed base (30), thereby enabling the sub-module (10) to be extracted from the structure (82). The sub-module (10) may be separated into a power unit (12) and a capacitor unit (24) which may be separately extracted from the structure (82). A connection support (84) is connected to the fixed base (30) and installed to protrude toward the outside of the structure (82), and the tip end of the connection support (84) extending toward the outside of the structure (82) is supported by a wire (86). As described above, the present invention has an advantage of more easily extracting the module, which is a heavy object, from the structure (82) to carry out the maintenance thereof.

公开(公告)号：EP3242390A1

公开(公告)日：2017-11-08

申请号：EP15875691.6

申请日：2015-12-29

申请人： Hyosung Corporation

发明人： KIM, June Sung ,  JUNG, Hong Ju ,  PARK, Jung Soo ,  LEE, Doo Young ,  CHOI, Jong Yun

IPC分类号： H02M7/19 ,  H02J1/00

CPC分类号： H02M1/08 ,  H02J1/00 ,  H02M3/04 ,  H02M7/19 ,  H02M7/217 ,  H02M7/49 ,  H02M2001/0006 ,  H02M2001/0009 ,  H02M2001/0048 ,  H02M2007/4835

摘要： Disclosed herein is a power control apparatus for sub-modules in an MMC, which controls stable supply of power to sub-modules in MMC connected to an HVDC system and a STATCOM. The power control apparatus includes at least one first resistor connected between P and N buses of MMC; a second resistor connected in series with the first resistor; a switch connected in series with the second resistor; a third resistor connected in parallel with the second resistor and the switch which are connected in series; a Zener diode connected in parallel with the third resistor; and a DC/DC converter connected between both ends of the Zener diode and configured to convert voltage across both ends of the Zener diode into low voltage, and supply the low voltage to the sub-modules, wherein a magnitude of current flowing through the Zener diode is controlled depending on ON/OFF switching of the switch.

摘要翻译： 本文公开了一种用于MMC中的子模块的功率控制设备，其控制对连接到HVDC系统和STATCOM的MMC中的子模块的稳定供电。 功率控制装置包括至少一个连接在MMC的P和N总线之间的第一电阻器; 与第一电阻器串联连接的第二电阻器; 与第二电阻器串联连接的开关; 与所述第二电阻器和所述开关串联连接的第三电阻器; 与第三电阻器并联连接的齐纳二极管; 以及连接在所述齐纳二极管的两端之间的DC / DC转换器，所述DC / DC转换器被配置为将所述齐纳二极管两端的电压转换为低电压，并且将所述低电压提供给所述子模块，其中，流过所述齐纳二极管的电流的大小 根据开关的ON / OFF切换控制二极管。

公开(公告)号：EP2940852B1

公开(公告)日：2018-07-25

申请号：EP13867398.3

申请日：2013-12-27

申请人： Hyosung Corporation

发明人： JUNG, Hong Ju ,  KIM, Tae Gyun ,  YANG, Hang Jun ,  CHOI, Jong Yun

IPC分类号： H02M7/483

CPC分类号： H02M1/32 ,  H02M1/00 ,  H02M7/483 ,  H02M7/5387 ,  H02M2001/007 ,  H02M2007/4835

摘要： The present invention relates to a converter in which a plurality of sub-modules, each including an energy storage unit and power semiconductors, is connected in series to each other, wherein each of the sub-modules is configured by adding a simple and inexpensive auxiliary circuit unit between two half-bridge units, and thus fault current is allowed to flow into the energy storage unit of each half-bridge unit, thereby blocking or reducing the fault current. The present invention provides a converter including a plurality of sub-modules connected in series to each other, wherein each of the sub-modules includes a first half-bridge unit including a first energy storage unit, and a plurality of first power semiconductors connected in parallel to the first energy storage unit and connected in series to each other; a second half-bridge unit including a second energy storage unit, and a plurality of second power semiconductors connected in parallel to the second energy storage unit and connected in series to each other; and an auxiliary circuit unit connecting the first half-bridge unit and the second half-bridge unit; wherein the auxiliary circuit unit includes a single third power semiconductor and a single diode.

公开(公告)号：EP3242389A1

公开(公告)日：2017-11-08

申请号：EP15875669.2

申请日：2015-12-29

申请人： Hyosung Corporation

发明人： PARK, Jung Soo ,  JUNG, Hong Ju ,  KIM, June Sung ,  LEE, Doo Young ,  CHOI, Jong Yun

IPC分类号： H02M7/19 ,  H02J1/00

CPC分类号： H02M3/06 ,  H02M1/08 ,  H02M7/19 ,  H02M7/49 ,  H02M2001/0006 ,  H02M2007/4835

摘要： Disclosed herein is a power supply apparatus for a sub-module controller of a Modular Multilevel Converter (MMC), which supplies driving power to the sub-module controller of an MMC connected to a High Voltage Direct Current (HVDC) system. The power supply apparatus includes a bridge circuit unit including N (N≥2, integer) energy storage units for storing a DC voltage in series-connected sub-modules in the MMC and multiple power semiconductor devices connected in parallel with the N energy storage units in a form of a bridge; and a DC/DC converter for converting a voltage output from output terminals formed between both ends of n (1≤n

摘要翻译： 本文公开了一种用于模块化多电平转换器（MMC）的子模块控制器的电源设备，所述电源设备向连接到高压直流（HVDC）系统的MMC的子模块控制器提供驱动电力。 该电源装置包括桥式电路单元，该桥式电路单元包括用于在MMC中串联连接的子模块中存储DC电压的N（N≥2，整数）个能量存储单元以及与该N个能量存储单元并联连接的多个功率半导体器件 以桥的形式; 以及DC / DC转换器，用于将在N个能量存储单元中的n（1≤n

公开(公告)号：EP3179589A1

公开(公告)日：2017-06-14

申请号：EP15829961.0

申请日：2015-07-08

申请人： Hyosung Corporation

发明人： KIM, June Sung ,  JUNG, Hong Ju ,  PARK, Jung Soo ,  LEE, Doo Young ,  CHOI, Jong Yun

IPC分类号： H02J1/00

CPC分类号： H02J1/00 ,  H02J1/10

摘要： The present invention relates to a module replacement device of a high voltage direct current transmission system. In the present invention, a replacement base (40) is provided in a structure (1) by using a support member (70) such that a sub-module (30) movably provided at a fixing base (10) of the structure (1) can be replaced by being withdrawn outside of the structure (1). A rear end of a base plate (42) of the replacement base (40) is hooked to an insulation support part (9) of the structure (1), and a front end of the replacement base (40) is supported by the support member (70) hooked to one side of the structure (1). The support member (70) is provided with a turn buckle (74) so as to adjust the replacement base (40) such that the replacement base is horizontally provided thereto. The rear end of the replacement base (40) is provided with a rail connection guide (62) for matching a fixing rail (16) of the fixing base (10) provided in the structure (1) with a guide rail (51) of the replacement base (40). The rail connection guide (62) has a rail slot (64) so as to guide the fixing rail (16) to the guide rail (51) side. According to the present invention as above, the replacement base (40) can easily and firmly be provided in the structure (1) such that the module (30) can be replaced in an easy and safe manner.

摘要翻译： 高压直流输电系统的模块更换装置本发明涉及高压直流输电系统的模块更换装置。 在本发明中，通过使用支撑构件（70）在结构（1）中提供替换基部（40），使得可移动地设置在结构（1）的固定基部（10）处的子模块 ）可以通过撤出结构（1）之外而被取代。 替换基座（40）的基板（42）的后端钩在结构（1）的绝缘支撑部件（9）上，并且替换基座（40）的前端由支撑件 构件（70）钩在结构（1）的一侧上。 支撑构件70设置有转环扣74以调整替换基座40，使得替换基座水平地设置在其上。 替换基座（40）的后端设置有导轨连接导向件（62），用于将设置在结构（1）中的固定基座（10）的固定导轨（16）与导轨 替换基座（40）。 导轨连接引导件（62）具有导轨槽（64），以将固定导轨（16）引导至导轨（51）侧。 根据如上所述的本发明，替换基座（40）可以容易且牢固地设置在结构（1）中，使得模块（30）能够以简单和安全的方式被替换。

公开(公告)号：EP3091634A1

公开(公告)日：2016-11-09

申请号：EP14876661.1

申请日：2014-12-24

申请人： Hyosung Corporation

发明人： PARK, Jung Soo ,  JUNG, Hong Ju ,  KIM, June Sung

IPC分类号： H02J9/06 ,  H02J1/00

CPC分类号： H02J3/36 ,  H02M5/4585 ,  Y02E60/60

摘要： The present invention consists of: a first HVDC converter unit which is connected to a powered electrical grid; a second HVDC converter unit which is connected to a powerless electrical grid and connected to the first HVDC converter unit through a DC transmission line so as to receive a first DC power source from the first HVDC converter unit; a voltage distributor which is connected to the DC transmission line connecting the first HVDC converter unit and the second HVDC converter unit so as to receive and distribute the first DC power source applied from the first HVDC converter unit to the second HVDC converter unit, and output a second DC power source that is lower than the first DC power source; and a DC-DC converter which is connected to the voltage distributor so as to receive the second DC power source, convert the second DC power source into actuating power for use in a HVDC controller and output the actuating power.

摘要翻译： 本发明包括：连接到动力电网的第一HVDC转换器单元; 第二HVDC转换器单元，其连接到无功电网并通过DC传输线连接到第一HVDC转换器单元，以便从第一HVDC转换器单元接收第一DC电源; 电压分配器，其连接到连接第一HVDC转换器单元和第二HVDC转换器单元的DC传输线，以将从第一HVDC转换器单元施加的第一DC电源接收并分配到第二HVDC转换器单元，并输出 低于第一直流电源的第二直流电源; 以及连接到电压分配器以便接收第二DC电源的DC-DC转换器，将第二DC电源转换成用于HVDC控制器的驱动电源并输出致动电力。

公开(公告)号：EP3089570A1

公开(公告)日：2016-11-02

申请号：EP14873160.7

申请日：2014-12-24

申请人： Hyosung Corporation

发明人： KIM, June SUNG ,  JUNG, Hong Ju ,  CHOI, Jong Yun

IPC分类号： H05K7/20

CPC分类号： H05K7/209 ,  H05K7/20272 ,  H05K7/20927

摘要： The present invention relates to a modular cooling apparatus for a high-voltage direct-current transmission system. A sub-module (10) according to the present invention comprises a power unit (12) in the front and a capacitor unit (13) in the rear, and a heat sink (30) for discharging heat generated from the interior is provided in an interior space (14') of a power unit housing (14) forming the exterior of the power unit (12). A coolant path (31) is provided in the interior of the heat sink (30). The entrance and exit of the coolant path (31) are located adjacent to the bottom surface of the interior space (14'). Connecting couplers (20) for supplying coolant to the interior space (14') are provided on the sloped surface (16) on the bottom end of the front surface (15) of the power unit housing (14). The sloped surface (16) is formed so as to face the ground at an angle. On both side surfaces of the power unit housing (14) are pass-through parts (22), each of which is provided with a louver plate (24) having louvers (26) to allow air to circulate between the interior space (14') and the outside. As such, according to the present invention, heat is dissipated more effectively while damage to the sub-module (10) due to coolant leakage does not occur.

摘要翻译： 本发明涉及用于高压直流传输系统的模块化冷却装置。 根据本发明的子模块（10）包括前面的动力单元（12）和后部的电容器单元（13），并且用于排放从内部产生的热量的散热器（30）设置在 形成动力单元（12）的外部的动力单元壳体（14）的内部空间（14'）。 冷却剂路径（31）设置在散热器（30）的内​​部。 冷却剂路径（31）的入口和出口位于内部空间（14'）的底表面附近。 在动力单元壳体（14）的前表面（15）的底端的倾斜表面（16）上设置有用于将冷却剂供应到内部空间（14'）的连接件（20）。 倾斜表面（16）形成为以一定角度对着地面。 在动力单元壳体（14）的两个侧表面上都是穿通部分（22），每个部分设有一个具有百叶窗（26）的百叶板（24），以使空气在内部空间（14'）之间循环， ）和外面。 因此，根据本发明，更有效地消散热量，同时不会发生由于冷却剂泄漏而对子模块（10）的损坏。

公开(公告)号：EP3242387A1

公开(公告)日：2017-11-08

申请号：EP15875646.0

申请日：2015-12-28

申请人： Hyosung Corporation

发明人： KIM, June Sung ,  JUNG, Hong Ju ,  PARK, Jung Soo ,  LEE, Doo Young ,  CHOI, Jong Yun

IPC分类号： H02M7/19 ,  H02J1/00

CPC分类号： H02M3/33523 ,  H02M1/08 ,  H02M3/3353 ,  H02M7/49 ,  H02M2001/0006 ,  H02M2007/4835

摘要： The present invention relates to a power control apparatus for sub-modules in a Modular Multilevel Converter (MMC), which controls the supply of power to sub-modules in an MMC connected to an HVDC system and to a STATCOM. The power control apparatus includes a half-bridge circuit unit for switching multiple switches, converting an input voltage across P and N buses of the MMC into a relatively low voltage, and outputting the low voltage; a transformer for transferring the low output voltage (primary side), output through switching of the switches in the half-bridge circuit unit via switching of the switches, to a secondary side of the transformer; a DC/DC converter for converting an output voltage on the secondary side of the transformer; a photocoupler for outputting a reference signal corresponding to a magnitude of the secondary side output voltage of the transformer; a Pulse Width Modulation (PWM) control unit for controlling switching of the switches in the half-bridge circuit unit in response to the reference signal output from the photocoupler; and a starting circuit unit for supplying an initial starting voltage to the PWM control unit, wherein the PWM control unit is started in response to the starting voltage initially supplied from the starting circuit unit, and is configured to control switching of the switches in response to the reference voltage received from the photocoupler, and to receive the secondary side output voltage of the transformer as an operating voltage depending on the switching, thus being operated.

摘要翻译： 本发明涉及用于模块化多电平转换器（MMC）中的子模块的电力控制装置，其控制对连接到HVDC系统和STATCOM的MMC中的子模块供电。 该电力控制装置包括：半桥电路单元，用于切换多个开关，将MMC的P和N总线上的输入电压转换为相对较低的电压，并输出该低电压; 用于通过开关的切换将半桥电路单元中的开关切换到变压器的次级侧来输出低输出电压（初级侧）的变压器; 用于转换变压器的次级侧上的输出电压的DC / DC转换器; 光电耦合器，用于输出与变压器的次级侧输出电压的大小相对应的参考信号; 脉宽调制（PWM）控制单元，用于响应于从光电耦合器输出的参考信号来控制半桥电路单元中的开关的切换; 以及启动电路单元，用于向所述PWM控制单元提供初始启动电压，其中所述PWM控制单元响应于从所述启动电路单元初始提供的所述启动电压而启动，并且被配置为响应于所述初始启动电压而控制所述开关的切换 从光电耦合器接收的参考电压，并且接收变压器的次级侧输出电压作为取决于开关的操作电压，因此被操作。

公开(公告)号：EP3242386A1

公开(公告)日：2017-11-08

申请号：EP15875644.5

申请日：2015-12-28

申请人： Hyosung Corporation

发明人： JUNG, Hong Ju ,  CHOI, Jong Yun ,  KIM, June Sung ,  PARK, Jung Soo ,  LEE, Doo Young

IPC分类号： H02M7/19 ,  H02J1/00

摘要： The present invention provides a Modular Multilevel Converter (MMC) in which M redundant sub-modules are additionally arranged in addition to the N sub-modules that are needed for operation, and the N+M sub-modules are controlled so as to participate in switching in turn.
The MMC according to an embodiment of the present invention includes multiple sub-modules connected in series with each other and a controller for controlling on/off switching of the sub-modules. Here, the multiple sub-modules include N sub-modules that participate in the operation of the MMC and M redundant sub-modules for replacing a failing sub-module when at least one of the N sub-modules fails, and the controller switches on the sub-module if the carrier signal assigned thereto is higher than a preset reference signal, and switches off the sub-module if the carrier signal assigned thereto is lower than the reference signal.

摘要翻译： 本发明提供了一种模块化多电平变换器（MMC），其中除了操作所需的N个子模块之外还附加地布置M个冗余子模块，并且控制N + M个子模块以参与 依次切换。 根据本发明实施例的MMC包括彼此串联连接的多个子模块和用于控制子模块的开/关切换的控制器。 这里，多个子模块包括参与MMC操作的N个子模块和M个冗余子模块，用于当N个子模块中的至少一个失效时替换故障子模块，并且控制器接通 如果分配给它的载波信号高于预设的参考信号，则子模块关闭子模块，并且如果分配给它的载波信号低于参考信号则关闭子模块。