公开(公告)号：EP2645552B1

公开(公告)日：2020-04-22

申请号：EP13154544.4

申请日：2013-02-08

申请人： Hitachi, Ltd.

发明人： Yamamoto, Takayoshi ,  Ichinose, Masaya ,  Bando, Akira ,  Yamashita, Keiichi ,  Inoue, Shigenori ,  Yoshihara, Toru ,  Eguchi, Yoshio ,  Sakuchi, Osamu ,  Katoh, Shuji ,  Ito, Tomomichi

IPC分类号： H02M1/08 ,  H02M7/217 ,  H02M7/48 ,  H02M7/483

公开(公告)号：EP2871764A3

公开(公告)日：2015-08-19

申请号：EP14192231.0

申请日：2014-11-07

申请人： Hitachi, Ltd.

发明人： Yoshihara, Tohru ,  Katoh, Shuji ,  Inoue, Shigenori ,  Eguchi, Yoshio ,  Ichinose, Masaya

IPC分类号： H02M7/483 ,  H02M7/49 ,  H02J3/18 ,  H02J3/32

CPC分类号： H02M7/483 ,  H02J3/1857 ,  H02J3/32 ,  H02M2007/4835 ,  Y02E40/26

摘要： A power conversion device (1, 1A, 1B), which limits a zero-phase current without using a reactor, includes clusters (12uv, 12vw, and 12wu) in each of which six unit cells (121) are connected in series; and a transformer (11) that has legs (113uv, 113vw, 113wu) on each of which a primary winding (111uv, 111vw, 111wu) and a secondary winding (112uv, 112vw, 112wu) are wound for magnetic coupling. The both ends of the secondary winding (112uv, 112vw, 112wu) are connected to the both ends of the cluster (12uv, 12vw, 12wu).

公开(公告)号：EP2645552A2

公开(公告)日：2013-10-02

申请号：EP13154544.4

申请日：2013-02-08

申请人： Hitachi, Ltd.

发明人： Yamamoto, Takayoshi ,  Ichinose, Masaya ,  Bando, Akira ,  Yamashita, Keiichi ,  Inoue, Shigenori ,  Yoshihara, Toru ,  Eguchi, Yoshio ,  Sakuchi, Osamu ,  Katoh, Shuji ,  Ito, Tomomichi

IPC分类号： H02M1/096 ,  H02M7/219 ,  H02M5/458 ,  H02M7/5387

CPC分类号： H02M7/12 ,  H02M1/08 ,  H02M7/217 ,  H02M7/48 ,  H02M7/483 ,  H02M2001/0006 ,  H02M2007/4835

摘要： Problem to be Solved
A switching element of a power converter generates a low voltage, using a current flowing in the power converter, and supplies a power to drive itself.
Solution
A switching element 108 of a power converter for conversion from direct current into alternate current or from alternate current into direct current includes: a terminal 208 and a terminal 209 which are used in building the switching element 108 itself in the power converter; a capacitor 203, a high-side controllable switch 201H and a low-side controllable switch 201L enabling outputting the voltage of the capacitor 203, the voltage being output between the terminal 208 and the terminal 209, and a self-supply power source 206 for supplying a power to drive the bi-directional chopper switching element 108 itself, using a current flowing in the capacitor 203.

公开(公告)号：EP2871764B1

公开(公告)日：2018-06-27

申请号：EP14192231.0

申请日：2014-11-07

申请人： Hitachi, Ltd.

发明人： Yoshihara, Tohru ,  Katoh, Shuji ,  Inoue, Shigenori ,  Eguchi, Yoshio ,  Ichinose, Masaya

IPC分类号： H02M7/483 ,  H02M7/49 ,  H02J3/18 ,  H02J3/32

CPC分类号： H02M7/483 ,  H02J3/1857 ,  H02J3/32 ,  H02M2007/4835 ,  Y02E40/26

摘要： A power conversion device (1, 1A, 1B), which limits a zero-phase current without using a reactor, includes clusters (12uv, 12vw, and 12wu) in each of which six unit cells (121) are connected in series; and a transformer (11) that has legs (113uv, 113vw, 113wu) on each of which a primary winding (111uv, 111vw, 111wu) and a secondary winding (112uv, 112vw, 112wu) are wound for magnetic coupling. The both ends of the secondary winding (112uv, 112vw, 112wu) are connected to the both ends of the cluster (12uv, 12vw, 12wu).

公开(公告)号：EP2728722A2

公开(公告)日：2014-05-07

申请号：EP13181750.4

申请日：2013-08-27

申请人： Hitachi Ltd.

发明人： Inoue, Shigenori ,  Katoh, Shuji ,  Bando, Akira ,  Kiyofuji, Yasuhiro ,  Eguchi, Yoshio ,  Ichinose, Masaya ,  Yamamoto, Takayoshi

IPC分类号： H02M1/00

CPC分类号： H02M7/2173 ,  H02M5/10 ,  H02M5/4585 ,  H02M7/483 ,  H02M7/5388 ,  H02M2007/4835

摘要： In the present invention, provided is a power conversion apparatus (102) in which at least one energy storage element and at least one switching element are included, a plurality of series circuits of a transformer winding and an arm (104U, 104V, 104W) in which one or a plurality of at least two-terminal unit converters (105) which depend on ON/OFF of the switching element and supply a zero voltage or a voltage depending on a voltage of the energy storage element are connected in series are connected in parallel, and a multi-phase power source or a multi-phase load is connected to another winding of the transformer (103), and the parallel-connection point is set as a DC terminal, and which includes means (106) for controlling a current flowing through each of the arms (104U, 104V, 104W) to have a phase and amplitude different from each other.

公开(公告)号：EP2728722A3

公开(公告)日：2017-04-26

申请号：EP13181750.4

申请日：2013-08-27

申请人： Hitachi, Ltd.

发明人： Inoue, Shigenori ,  Katoh, Shuji ,  Bando, Akira ,  Kiyofuji, Yasuhiro ,  Eguchi, Yoshio ,  Ichinose, Masaya ,  Yamamoto, Takayoshi

IPC分类号： H02M1/00

CPC分类号： H02M7/2173 ,  H02M5/10 ,  H02M5/4585 ,  H02M7/483 ,  H02M7/5388 ,  H02M2007/4835

摘要： In the present invention, provided is a power conversion apparatus (102) in which at least one energy storage element and at least one switching element are included, a plurality of series circuits of a transformer winding and an arm (104U, 104V, 104W) in which one or a plurality of at least two-terminal unit converters (105) which depend on ON/OFF of the switching element and supply a zero voltage or a voltage depending on a voltage of the energy storage element are connected in series are connected in parallel, and a multi-phase power source or a multi-phase load is connected to another winding of the transformer (103), and the parallel-connection point is set as a DC terminal, and which includes means (106) for controlling a current flowing through each of the arms (104U, 104V, 104W) to have a phase and amplitude different from each other.

摘要翻译： 在本发明中，提供了一种功率转换装置（102），其中包括至少一个能量存储元件和至少一个开关元件，多个变压器绕组和臂（104U，104V，104W）的串联电路， 其中，依赖于开关元件的接通/断开并提供零电压或取决于蓄能元件的电压的电压的一个或多个至少两端单元转换器（105）串联连接 并联连接，并且多相电源或多相负载连接到变压器（103）的另一个绕组，并联连接点设置为DC端子，并且其包括用于控制 流过每个臂（104U，104V，104W）的电流具有彼此不同的相位和振幅。

公开(公告)号：EP2645552A3

公开(公告)日：2016-03-09

申请号：EP13154544.4

申请日：2013-02-08

申请人： Hitachi, Ltd.

发明人： Yamamoto, Takayoshi ,  Ichinose, Masaya ,  Bando, Akira ,  Yamashita, Keiichi ,  Inoue, Shigenori ,  Yoshihara, Toru ,  Eguchi, Yoshio ,  Sakuchi, Osamu ,  Katoh, Shuji ,  Ito, Tomomichi

IPC分类号： H02M1/096 ,  H02M7/219 ,  H02M5/458 ,  H02M7/5387

CPC分类号： H02M7/12 ,  H02M1/08 ,  H02M7/217 ,  H02M7/48 ,  H02M7/483 ,  H02M2001/0006 ,  H02M2007/4835

摘要： Problem to be Solved
A switching element of a power converter generates a low voltage, using a current flowing in the power converter, and supplies a power to drive itself.
Solution
A switching element 108 of a power converter for conversion from direct current into alternate current or from alternate current into direct current includes: a terminal 208 and a terminal 209 which are used in building the switching element 108 itself in the power converter; a capacitor 203, a high-side controllable switch 201H and a low-side controllable switch 201L enabling outputting the voltage of the capacitor 203, the voltage being output between the terminal 208 and the terminal 209, and a self-supply power source 206 for supplying a power to drive the bi-directional chopper switching element 108 itself, using a current flowing in the capacitor 203.

摘要翻译： 待解决的问题的一个功率转换器基因率的开关元件的低电压时，利用在功率转换器中流动的电流，并提供一个动力来驱动本身。 溶液中的功率转换器的转换从直流电转换成交流电或从交流电流转换成直流电流的开关元件108包括：终端208和其在构建开关元件108本身在功率变换器中使用的终端209; 一个电容器203，高侧可控开关201H和低侧可控开关201L使输出婷电容器203的电压，端子208和端子209，并用于自供电电源206之间的电压被输出 供给电力来驱动所述双向斩波器开关元件108本身，使用在电容器中第203中流动的电流

公开(公告)号：EP2871764A2

公开(公告)日：2015-05-13

申请号：EP14192231.0

申请日：2014-11-07

申请人： Hitachi, Ltd.

发明人： Yoshihara, Tohru ,  Katoh, Shuji ,  Inoue, Shigenori ,  Eguchi, Yoshio ,  Ichinose, Masaya

IPC分类号： H02M7/483

CPC分类号： H02M7/483 ,  H02J3/1857 ,  H02J3/32 ,  H02M2007/4835 ,  Y02E40/26

摘要： A power conversion device (1, 1A, 1B), which limits a zero-phase current without using a reactor, includes clusters (12uv, 12vw, and 12wu) in each of which six unit cells (121) are connected in series; and a transformer (11) that has legs (113uv, 113vw, 113wu) on each of which a primary winding (111uv, 111vw, 111wu) and a secondary winding (112uv, 112vw, 112wu) are wound for magnetic coupling. The both ends of the secondary winding (112uv, 112vw, 112wu) are connected to the both ends of the cluster (12uv, 12vw, 12wu).

摘要翻译： 在不使用电抗器的情况下限制零相电流的功率转换装置（1,1A，1B）包括其中六个单元电池（121）串联连接的簇（12uv，12vw和12wu） 和一个具有腿（113uv，113vw，113wu）的变压器（11），每个腿上缠绕着初级绕组（111uv，111vw，111wu）和次级绕组（112uv，112vw，112wu）用于磁耦合。 次级绕组（112uv，112vw，112wu）的两端连接到簇（12uv，12vw，12wu）的两端。