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公开(公告)号：US20160111916A1
公开(公告)日：2016-04-21
申请号：US14893791
申请日：2013-05-30
Applicant: SCHNEIDER ELECTRIC IT CORPORATION
Inventor： Indra Prakash , Sriya Dupakuntla
IPC: H02J9/06
CPC classification number: H02J9/061 , H02J9/062 , H02J2009/068
Abstract: According to one aspect, embodiments herein provide a UPS comprising a first input configured to receive input power, a second input configured to receive backup power, an output, a bypass line selectively coupled between the first input and the output via a bypass switch, wherein in a bypass mode of operation, the bypass switch is closed and the input power is provided directly to the output, an inverter comprising an input configured to receive at least one of the input power and the backup power and an output selectively coupled to the output of the UPS via an inverter switch, wherein in an online mode of operation, the inverter switch is closed and the inverter converts the input power into the output AC power, and means for operating the inverter to force commutate current in the bypass line after a transition from the bypass to the online mode of operation.
Abstract translation: 根据一个方面，本文的实施例提供一种UPS，其包括被配置为接收输入功率的第一输入，被配置为接收备用功率的第二输入，输出，经由旁路开关选择性地耦合在第一输入和输出之间的旁路线，其中 在旁路操作模式中，旁路开关闭合，并且将输入功率直接提供给输出，逆变器包括被配置为接收输入功率和备用功率中的至少一个的输入，以及选择性地耦合到输出的输出 的UPS，其中在在线操作模式中，逆变器开关闭合，并且逆变器将输入功率转换为输出AC电力，以及用于操作逆变器以在旁路线路中强制换向电流的装置 从旁路转换到在线操作模式。
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公开(公告)号：US12237760B2
公开(公告)日：2025-02-25
申请号：US18613197
申请日：2024-03-22
Applicant: SCHNEIDER ELECTRIC IT CORPORATION
Inventor： Indra Prakash , Roger Franchino , Damir Klikic
Abstract: According to one aspect, embodiments of the invention provide an electrical-converter system comprising a printed circuit board including at least a first layer and a second layer, a switching node disposed on the second layer, a first transistor, a second transistor, a third transistor, and a fourth transistor disposed on the first layer, a first conduction path from a source of the first transistor, through the switching node, to a drain of the fourth transistor, the first conduction path having a first length, and a second conduction path from the source of the first transistor, through the switching node, to a drain of the second transistor, the second conduction path having a second length, wherein the first length of the first conduction path is greater than the second length of the second conduction path.
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公开(公告)号：US20220038029A1
公开(公告)日：2022-02-03
申请号：US17386019
申请日：2021-07-27
Applicant: SCHNEIDER ELECTRIC IT CORPORATION
Inventor： Indra Prakash , Damir Klikic , Chandrasekaran Jayaraman
Abstract: According to at least one aspect of the disclosure, an inverter is provided comprising an input configured to receive input DC power from a DC source, an output configured to provide output AC power to a load, a plurality of DC rails coupled to the input and configured to receive the input DC power from the DC source, a plurality of switches coupled between the plurality of DC rails and configured to convert the input DC power into the output AC power, each switch of the plurality of switches having a parasitic capacitance, and at least one ZVS network coupled across at least two switches of the plurality of switches, the ZVS network including at least two inductors configured to resonate with the parasitic capacitance of at least one switch of the plurality of switches to provide soft switching of at least one switch of the plurality of switches.
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公开(公告)号：US09837855B2
公开(公告)日：2017-12-05
申请号：US14893791
申请日：2013-05-30
Applicant: SCHNEIDER ELECTRIC IT CORPORATION
Inventor： Indra Prakash , Sriya Dupakuntla
IPC: H02J9/06
CPC classification number: H02J9/061 , H02J9/062 , H02J2009/068
Abstract: According to one aspect, embodiments herein provide a UPS comprising a first input configured to receive input power, a second input configured to receive backup power, an output, a bypass line selectively coupled between the first input and the output via a bypass switch, wherein in a bypass mode of operation, the bypass switch is closed and the input power is provided directly to the output, an inverter comprising an input configured to receive at least one of the input power and the backup power and an output selectively coupled to the output of the UPS via an inverter switch, wherein in an online mode of operation, the inverter switch is closed and the inverter converts the input power into the output AC power, and means for operating the inverter to force commutate current in the bypass line after a transition from the bypass to the online mode of operation.
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