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1. 发明公开

EP3678289A1 POWER CONVERSION DEVICE, POWER CONVERSION SYSTEM, AND METHOD FOR USING POWER CONVERSION SYSTEM 审中-公开
公开(公告)号：EP3678289A1
公开(公告)日：2020-07-08
申请号：EP18850922.8
申请日：2018-02-22
申请人： Kabushiki Kaisha Toshiba , Toshiba Energy Systems & Solutions Corporation
发明人： ARAI, Takuro , KOYAMA, Yushi , SEKIGUCHI, Kei , KANEKO, Takahiro , SUZUKI, Daichi
IPC分类号： H02M7/49
摘要： A power conversion device of embodiments includes arms corresponding to each of three phases. Each arm includes a positive-side arm, a first primary winding, a negative-side arm, and a second primary winding. In the positive-side arm, a plurality of converters including a plurality of switching elements connected in series and a capacitor connected in parallel to the plurality of switching elements connected in series are connected with each other in series, and one end of the positive-side arm is connected to a positive-side DC terminal. The first primary winding is provided between the other end of the positive-side arm and a neutral point, and is magnetically coupled with a secondary winding of a corresponding phase. In the negative-side arm, the plurality of converters are connected with each other in series and one end of the negative-side arm is connected to a negative-side DC terminal. The second primary winding is provided between the other end of the negative-side arm and the neutral point, and is magnetically coupled with the secondary winding common to the first primary winding. The neutral points of the each arm are connected with each other and grounded.

2. 发明公开

EP3352363A1 POWER CONVERTER CONTROL DEVICE 审中-公开
公开(公告)号：EP3352363A1
公开(公告)日：2018-07-25
申请号：EP16846193.7
申请日：2016-08-18
申请人： Kabushiki Kaisha Toshiba , Toshiba Energy Systems & Solutions Corporation
发明人： KOYAMA, Yushi , HASEGAWA, Ryuta , TAMADA, Shunsuke , ARAI, Takuro , SEKIGUCHI, Kei
IPC分类号： H02M7/48 , H02M7/483
CPC分类号： H02M7/48 , H02M7/483
摘要： According to one embodiment, there is provided a control apparatus including a first control calculation device (1) that calculates an output command value of one or more main circuits (5) including a semiconductor switching element; and one or more second control calculation devices (8) that convert the output command value to a gate signal of the semiconductor switching element. The output command value is transmitted from the first control calculation device (1) to the second control calculation devices (8) by wireless communication. The second control calculation devices (8) transmit the gate signal converted from the transmitted output command value to a gate substrate (4) that drives the semiconductor switching element based on the gate signal.

3. 发明授权

EP3306635B1 DC CURRENT BREAKER DEVICE 有权转让
公开(公告)号：EP3306635B1
公开(公告)日：2019-10-30
申请号：EP16803332.2
申请日：2016-05-31
申请人： Kabushiki Kaisha Toshiba , Toshiba Energy Systems & Solutions Corporation
发明人： KOYAMA, Yushi , HASEGAWA, Ryuta , IIO, Naotaka
IPC分类号： H01H33/59 , H01H9/54 , H02H3/087

4. 发明公开

EP3800774A1 ELECTRIC POWER CONVERSION APPARATUS AND METHOD FOR CONTROLLING ELECTRIC POWER CONVERSION APPARATUS 审中-公开
公开(公告)号：EP3800774A1
公开(公告)日：2021-04-07
申请号：EP20197198.3
申请日：2020-09-21
申请人： KABUSHIKI KAISHA TOSHIBA , Toshiba Energy Systems & Solutions Corporation
发明人： KOYAMA, Yushi , KAGEYAMA, Takahisa , MORI, Junji
IPC分类号： H02M5/458 , H02M7/23 , H02M7/493 , H02M7/5387 , H02M7/48
摘要： According to one embodiment, there is provided an electric power conversion apparatus provided with a plurality of converters and inverters (11, 21, 12, 22; 11, 21, 12, 22, 13, 23) that share direct current voltage sections, each of the direct current voltage sections independent of other direct current voltage sections, and output sides of the inverters (21, 22; 21, 22, 23) connected to each other. The apparatus includes a control device (10) configured to obtain a cross current amount between the inverters by performing predetermined axis-conversion on a detection value of a cross current between the inverters, and control an output voltage or an output current of the individual converters or the individual inverters based on the cross current amount.

5. 发明公开

EP3306635A1 DC CURRENT BREAKER DEVICE 有权转让
标题翻译：直流断路器装置
公开(公告)号：EP3306635A1
公开(公告)日：2018-04-11
申请号：EP16803332.2
申请日：2016-05-31
申请人： Kabushiki Kaisha Toshiba , Toshiba Energy Systems & Solutions Corporation
发明人： KOYAMA, Yushi , HASEGAWA, Ryuta , IIO, Naotaka
IPC分类号： H01H33/59 , H01H9/54
摘要： A direct current circuit breaker is provided at a coupling point where three or more direct current power transmission lines (11 to 13) are electrically coupled in a direct current power transmission line network. The direct current circuit breaker includes three or more series circuits (2), each of the series circuit being connected to ends of two different direct current power transmission lines, and including a serial connection of two or more current disconnectors (21), and three or more wire connection circuits (3), one end of each of the wire connection circuits being connected to a middle point of the series circuit, and another end being connected to one point where other ends of the wire connection circuits are connected to, each of the wire connection circuits including a commutation circuit (31) in which a current is commutated.
摘要翻译：在直流输电线路网中三个或更多个直流输电线（11至13）电耦合的耦合点处提供直流断路器。直流断路器包括三个或更多个串联电路（2），每个串联电路连接到两条不同的直流输电线的端部，并且包括两个或更多个电流断路器（21）的串联连接，以及三个或更多的导线连接电路（3），每个导线连接电路的一端连接到串联电路的中点，另一端连接到导线连接电路的另一端连接到的一个点，每个包括其中电流被换向的换向电路（31）的电线连接电路。

6. 发明公开

EP2525482A1 GRID-TIE INVERTER 审中-公开
标题翻译： GITTERBINDUNGSUMKEHRER
公开(公告)号：EP2525482A1
公开(公告)日：2012-11-21
申请号：EP11732915.1
申请日：2011-01-13
申请人： Kabushiki Kaisha Toshiba
发明人： KOYAMA, Yushi , TSUDA, Junichi , MOCHIKAWA, Hiroshi
IPC分类号： H02M7/48
CPC分类号： H02M1/126 , H02M7/48 , H02M2001/007 , H02M2001/123
摘要： According to one embodiment, a grid-tie inverter includes: a single-phase or three-phase inverter (1) that performs pulse width modulation for a DC voltage supplied from a DC power supply (5); a first capacitor circuit (41) connected to an input side of the inverter (1) so as to form a neutral point (c); a second capacitor circuit (42) connected to an output side of the inverter (1) so as to form a neutral point (f); a common mode current bypass channel (g) formed by connecting the neutral point (c) of the first capacitor circuit (41) and the neutral point (f) of the second capacitor circuit (42) to each other; a grounded capacitor (11) provided between the bypass channel (g) and a ground; a first common mode choke coil unit (31, 32) that includes a common mode choke coil (31, 32) at least one of between the first capacitor circuit (41) and the inverter (1) and between the inverter (1) and the second capacitor circuit (42), and suppresses a common mode current occurring in the inverter (1); and an output filter (2) that converts a pulse width-modulated voltage waveform outputted from the inverter (1) into a sine single-phase or three-phase AC voltage.
摘要翻译：根据一个实施例，并网逆变器包括：对从DC电源（5）提供的DC电压进行脉宽调制的单相或三相逆变器（1）; 连接到逆变器（1）的输入侧以形成中性点（c）的第一电容器电路（41）; 连接到逆变器（1）的输出侧的第二电容器电路（42），以形成中性点（f）; 通过将第一电容器电路（41）的中性点（c）和第二电容器电路（42）的中性点（f）彼此连接而形成的共模电流旁路通道（g）设置在所述旁路通道（g）和地之间的接地电容器（11）第一共模扼流线圈单元（31,32），其包括在所述第一电容器电路（41）和所述逆变器（1）之间以及所述逆变器（1）和所述逆变器（1）之间的至少一个的共模扼流线圈（31,32）第二电容器电路（42），并且抑制在逆变器（1）中发生的共模电流; 以及将从逆变器（1）输出的脉宽调制电压波形转换为正弦单相或三相交流电压的输出滤波器（2）。

7. 发明公开

EP2352223A1 INTERCONNECTION INVERTER 有权
标题翻译： VERBINDUNGSUMKEHRER
公开(公告)号：EP2352223A1
公开(公告)日：2011-08-03
申请号：EP09825966.6
申请日：2009-07-21
申请人： Kabushiki Kaisha Toshiba
发明人： KOYAMA, Yushi , TSUDA, Junichi , MOCHIKAWA, Hiroshi
IPC分类号： H02M7/48 , H02M1/12
CPC分类号： H02M1/12 , H02M2001/123
摘要： The present invention includes: an inverter 1 configured to perform pulse wide modulation on an output from a DC power source 5; a first capacitor pair 41 provided at an input side of the inverter and including two capacitors serially connected to form a neutral point; a second capacitor pair 42 provided at an output side of the inverter and including two capacitors serially connected to form a neutral point; a bypass path g for a leakage current formed by connecting the neutral point of the first capacitor pair and the neutral point of the second capacitor pair to each other; at least one common mode choke coil 3 provided between the first capacitor pair and the second capacitor pair and configured to suppress a common mode current generated in the inverter; and an output filter 2 configured to convert a voltage, which is outputted from the inverter and subjected to the pulse wide modulation, into a voltage in a sine wave form.
摘要翻译：本发明包括：逆变器1，被配置为对来自直流电源5的输出进行脉宽调制; 设置在逆变器的输入侧的第一电容器对41，并且包括串联连接以形成中性点的两个电容器; 设置在逆变器的输出侧的第二电容器对42，包括串联连接以形成中性点的两个电容器; 通过将第一电容器对的中性点和第二电容器对的中性点彼此连接而形成的漏电流的旁路路径g; 至少一个共模扼流线圈3，设置在第一电容器对和第二电容器对之间，并且被构造成抑制在逆变器中产生的共模电流; 以及输出滤波器2，被配置为将从逆变器输出的并经受宽脉冲宽调制的电压转换为正弦波形的电压。

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