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Patent Agency Ranking
公开(公告)号：US10903656B2
公开(公告)日：2021-01-26
申请号：US16544525
申请日：2019-08-19
Applicant: Futurewei Technologies, Inc.
Abstract: A system comprises a first five-level inverter connected between a dc power source and an ac grid, a second five-level inverter connected between the dc power source and the ac grid and a third five-level inverter connected between the dc power source and the ac grid, wherein each five-level inverter comprises a first boost apparatus and a second boost apparatus.
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公开(公告)号：US20180076628A1
公开(公告)日：2018-03-15
申请号：US15795794
申请日：2017-10-27
Applicant: Futurewei Technologies, Inc.
Abstract: A system comprises a five-level rectifier configured to be connected with an ac power source, wherein the five-level rectifier comprises a first boost apparatus and a first buck apparatus configured to operate in a first half cycle of the ac power source, and a second boost apparatus and a second buck apparatus configured to operate in a second half cycle of the ac power source and a five-level inverter connected to the five-level rectifier.
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公开(公告)号：US09806529B2
公开(公告)日：2017-10-31
申请号：US15222170
申请日：2016-07-28
Applicant: Futurewei Technologies, Inc.
Abstract: An inverter comprises a first boost apparatus having an input coupled to a positive dc bus, a second boost apparatus having an input coupled to a negative dc bus, a first switch coupled to an input of an L-C filter and the first boost apparatus, a second switch coupled to the input of the L-C filter and the second boost apparatus, a third switch coupled between the positive dc bus and the first switch, wherein a common node of the first switch and the third switch is directly connected to an output of the first boost apparatus, a fourth switch coupled between the negative dc bus and the second switch, wherein a common node of the fourth switch and the second switch is directly connected to an output of the second boost apparatus and an isolation switch coupled between the input of the L-C filter and ground.
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公开(公告)号：US10389135B2
公开(公告)日：2019-08-20
申请号：US15795794
申请日：2017-10-27
Applicant: Futurewei Technologies, Inc.
Abstract: A system comprises a five-level rectifier configured to be connected with an ac power source, wherein the five-level rectifier comprises a first boost apparatus and a first buck apparatus configured to operate in a first half cycle of the ac power source, and a second boost apparatus and a second buck apparatus configured to operate in a second half cycle of the ac power source and a five-level inverter connected to the five-level rectifier.
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公开(公告)号：US20170054298A1
公开(公告)日：2017-02-23
申请号：US15222170
申请日：2016-07-28
Applicant: Futurewei Technologies, Inc.
Abstract: An inverter comprises a first boost apparatus having an input coupled to a positive dc bus, a second boost apparatus having an input coupled to a negative dc bus, a first switch coupled to an input of an L-C filter and the first boost apparatus, a second switch coupled to the input of the L-C filter and the second boost apparatus, a third switch coupled between the positive dc bus and the first switch, wherein a common node of the first switch and the third switch is directly connected to an output of the first boost apparatus, a fourth switch coupled between the negative dc bus and the second switch, wherein a common node of the fourth switch and the second switch is directly connected to an output of the second boost apparatus and an isolation switch coupled between the input of the L-C filter and ground.
Abstract translation: 逆变器包括具有耦合到正直流总线的输入的第一升压装置，具有耦合到负DC总线的输入的第二升压装置，耦合到LC滤波器的输入端的第一开关和第一升压装置，第二升压装置 耦合到LC滤波器和第二升压装置的输入的开关，耦合在正直流总线和第一开关之间的第三开关，其中第一开关和第三开关的公共节点直接连接到第一开关 升压装置，耦合在所述负DC总线和所述第二开关之间的第四开关，其中所述第四开关和所述第二开关的公共节点直接连接到所述第二升压装置的输出端，以及耦合在所述第二开关的输入端之间的隔离开关 LC滤波器和接地。
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