公开(公告)号：US09484837B2

公开(公告)日：2016-11-01

申请号：US14827967

申请日：2015-08-17

Applicant: ABB Technology Oy

Inventor： Matti T. Jussila ,  Tero Viitanen

IPC: H02M7/537 ,  H02M7/487

CPC classification number: H02M7/537 ,  H02M7/487

Abstract: A switching branch for a three-level inverter, comprising a first and second switch (S1, S2) in series between a positive DC pole (P) and an AC pole (AC), a first and second diode (D1, D2) parallel to the first and second switches, a third and fourth switch (S3, S4) in series between a negative DC pole (N) and the AC pole, a third and fourth diode (D3, D4) parallel to the third and fourth switches, a fifth diode (D5) between a neutral DC pole (M) and a point between the first and second switches, a sixth diode (D6) between the neutral DC pole and a point between the third and fourth switches, a fifth switch (S5) and a seventh diode (D7) in series between the neutral DC and AC poles, and a sixth switch (S6) and an eighth diode (D8) in series between the neutral DC and AC poles.

Abstract translation: 一种用于三电平逆变器的开关分支，包括串联在正直流极（P）和交流电极（AC）之间的第一和第二开关（S1，S2），第一和第二二极管（D1，D2）并联 串联在负DC极（N）和AC极之间的第三和第四开关（S3，S4），平行于第三和第四开关的第三和第四二极管（D3，D4） 在中性直流极（M）与第一和第二开关之间的点之间的第五二极管（D5），中性直流极与第三和第四开关之间的点之间的第六二极管（D6），第五开关（S5 ）和在中性DC和AC极之间串联的第七二极管（D7）以及串联在中性DC和AC极之间的第六开关（S6）和第八二极管（D8）。

公开(公告)号：US20170059253A1

公开(公告)日：2017-03-02

申请号：US15246207

申请日：2016-08-24

Applicant: ABB Technology OY

Inventor： Risto Laurila ,  Tero Viitanen ,  Bruno Agostini

IPC: F28D15/02 ,  F28F1/32 ,  F28F9/02 ,  F25D3/06 ,  F28F1/02

CPC classification number: F28D15/025 ,  F25D3/06 ,  F28D1/0471 ,  F28D15/0233 ,  F28D15/0266 ,  F28D15/0275 ,  F28D2001/0273 ,  F28D2015/0216 ,  F28F1/022 ,  F28F1/32 ,  F28F9/0243 ,  H05K7/20609 ,  H05K7/20681

Abstract: An arrangement for cooling a closed, sealed cabinet (1), comprising a thermosiphon heat exchanger (2) disposed inside the cabinet (1) and having an evaporator (3) and a condenser (4) for circulating a working fluid between the evaporator (3) and the condenser (4) in a closed loop, wherein the working fluid evaporated in the evaporator (3) by heat flows to the condenser (4) for cooling and the condensed working fluid flows back to the evaporator (3). The evaporator (3) is exposed to hot air flow generated inside the cabinet (1), and a heat transfer element (5) is attached to the condenser (3) in a sealed manner through a cabinet wall (6) for transferring heat to the outside of the cabinet (1).

Abstract translation: 一种用于冷却封闭的密封柜（1）的装置，包括设置在机壳（1）内的热虹吸热交换器（2），并具有蒸发器（3）和冷凝器（4），用于使工作流体在蒸发器 3）和冷凝器（4）处于闭合回路中，其中通过热量在蒸发器（3）中蒸发的工作流体流向冷凝器（4）以进行冷却，并且冷凝的工作流体回流到蒸发器（3）。 蒸发器（3）暴露于在机壳（1）内部产生的热空气流中，并且传热元件（5）以密封的方式通过柜壁（6）附接到冷凝器（3），用于将热量传递到 柜体外（1）。

公开(公告)号：US20170324353A1

公开(公告)日：2017-11-09

申请号：US15586057

申请日：2017-05-03

Applicant: ABB Technology Oy

Inventor： Tero Viitanen ,  Jarno Alahuhtala ,  Mikko Saarinen

IPC: H02M7/5395 ,  H02M1/08 ,  H02M1/084 ,  H02M1/14

CPC classification number: H02M7/5395 ,  G01R31/028 ,  G01R31/42 ,  H02M1/083 ,  H02M1/084 ,  H02M1/14 ,  H02M7/487

Abstract: A method for monitoring a change in a capacitance in an electric system, and an electric system comprising a multilevel inverter and at least two capacitances connected in series between a negative DC pole and a positive DC pole of the inverter, wherein the connection point between the capacitances is connected to one of the at least one middle DC pole of the inverter, and a controller configured to provide by the inverter an AC current component to one of the at least one middle DC pole of the inverter, which AC current component is distributed between the two capacitances connected to the middle DC pole, and monitor resulting AC voltage components in the two capacitances, and determine on the basis of a difference between the monitored AC voltage components a change in at least one of the two capacitances.

公开(公告)号：US09627989B2

公开(公告)日：2017-04-18

申请号：US14860031

申请日：2015-09-21

Applicant: ABB Technology Oy

Inventor： Tero Viitanen

IPC: H02M7/487 ,  H02M5/458

CPC classification number: H02M5/4585 ,  H02M7/487

Abstract: A three-level converter and a method for controlling a three-level converter, wherein the third (S31, S32, S33), the fourth (S41, S42, S43) and the fifth (S51, S52, S53) controllable semiconductor switch of a switching branch having, out of all the switching branches, the most positive voltage in its alternating current pole (AC1, AC2, AC3) is controlled to be non-conductive for the whole period of time when the switching branch in question has the most positive voltage in its alternating current pole, and the first (S11, S12, S13), the second (S21, S22, S23) and the sixth (S61, S62, S63) controllable semiconductor switch of a switching branch having, out of all the switching branches, the most negative voltage in its alternating current pole is controlled to be non-conductive for the whole period of time when the switching branch in question has the most negative voltage in its alternating current pole.

公开(公告)号：US20160099654A1

公开(公告)日：2016-04-07

申请号：US14860031

申请日：2015-09-21

Applicant: ABB Technology Oy

Inventor： Tero Viitanen

IPC: H02M5/458

CPC classification number: H02M5/4585 ,  H02M7/487

Abstract: A three-level converter and a method for controlling a three-level converter, wherein the third (S31, S32, S33), the fourth (S41, S42, S43) and the fifth (S51, S52, S53) controllable semiconductor switch of a switching branch having, out of all the switching branches, the most positive voltage in its alternating current pole (AC1, AC2, AC3) is controlled to be non-conductive for the whole period of time when the switching branch in question has the most positive voltage in its alternating current pole, and the first (S11, S12, S13), the second (S21, S22, S23) and the sixth (S61, S62, S63) controllable semiconductor switch of a switching branch having, out of all the switching branches, the most negative voltage in its alternating current pole is controlled to be non-conductive for the whole period of time when the switching branch in question has the most negative voltage in its alternating current pole. (FIG. 2)

Abstract translation: 一种三电平转换器和一种三电平转换器的控制方法，其中第三（S31，S32，S33），第四（S41，S42，S43）和第五（S51，S52，S43） 在所有开关支路中，在交流电极（AC1，AC2，AC3）中，最正电压（AC1，AC2，AC3）的开关分支在整个时间段被控制为不导通， 其交流电极中的正电压，以及开关分支的第一（S11，S12，S13），第二（S21，S22，S23）和第六（S61，S62，S63）可控半导体开关， 开关分支，其交流极中最负电压在整个交变电极极负电压的整个时间段被控制为不导通。 （图2）

公开(公告)号：US20160056732A1

公开(公告)日：2016-02-25

申请号：US14827967

申请日：2015-08-17

Applicant: ABB Technology Oy

Inventor： Matti T. Jussila ,  Tero Viitanen

IPC: H02M7/537

CPC classification number: H02M7/537 ,  H02M7/487

Abstract: A switching branch for a three-level inverter, comprising a first and second switch (S1, S2) in series between a positive DC pole (P) and an AC pole (AC), a first and second diode (D1, D2) parallel to the first and second switches, a third and fourth switch (S3, S4) in series between a negative DC pole (N) and the AC pole, a third and fourth diode (D3, D4) parallel to the third and fourth switches, a fifth diode (D5) between a neutral DC pole (M) and a point between the first and second switches, a sixth diode (D6) between the neutral DC pole and a point between the third and fourth switches, a fifth switch (S5) and a seventh diode (D7) in series between the neutral DC and AC poles, and a sixth switch (S6) and an eighth diode (D8) in series between the neutral DC and AC poles.

Abstract translation: 一种用于三电平逆变器的开关分支，包括串联在正直流极（P）和交流电极（AC）之间的第一和第二开关（S1，S2），第一和第二二极管（D1，D2）并联 串联在负DC极（N）和AC极之间的第三和第四开关（S3，S4），平行于第三和第四开关的第三和第四二极管（D3，D4） 在中性直流极（M）与第一和第二开关之间的点之间的第五二极管（D5），中性直流极与第三和第四开关之间的点之间的第六二极管（D6），第五开关（S5 ）和在中性DC和AC极之间串联的第七二极管（D7）以及串联在中性DC和AC极之间的第六开关（S6）和第八二极管（D8）。