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公开(公告)号：US20240305184A1
公开(公告)日：2024-09-12
申请号：US18613197
申请日：2024-03-22
Applicant: SCHNEIDER ELECTRIC IT CORPORATION
Inventor： Indra Prakash , Roger Franchino , Damir Klikic
CPC classification number: H02M1/08 , H02M7/003 , H02M7/537 , H05K1/0298 , H05K1/181 , H05K3/32 , H05K2201/09227 , H05K2201/10015 , H05K2201/10166 , H05K2201/10522
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：US20210242767A1
公开(公告)日：2021-08-05
申请号：US17159927
申请日：2021-01-27
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：US09979218B2
公开(公告)日：2018-05-22
申请号：US15035475
申请日：2013-11-22
Applicant: SCHNEIDER ELECTRIC IT CORPORATION
Inventor： Indra Prakash
CPC classification number: H02J7/0068 , H02J9/062 , H02J2009/067
Abstract: At least some embodiments herein provide a UPS comprising an input, a transformer including at least one primary winding, a relay, a sense circuit, and a current control circuit, wherein the sense circuit is configured to monitor input power, control the relay to couple, in a first mode, the input to the at least one primary winding when input power is above an input threshold, and control the relay to decouple, in a second mode, the input from the at least one primary winding when input power is below the input threshold, and wherein the current control circuit is configured, in the first mode, to control current from an AC source through the at least one primary winding to generate an output voltage and, in the second mode, to control current from a DC source through the at least one primary winding to generate the output voltage.
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公开(公告)号：US20160352127A1
公开(公告)日：2016-12-01
申请号：US15035475
申请日：2013-11-22
Applicant: SCHNEIDER ELECTRIC IT CORPORATION
Inventor： Indra Prakash
IPC: H02J7/00
CPC classification number: H02J7/0068 , H02J9/062 , H02J2009/067
Abstract: At least some embodiments herein provide a UPS comprising an input, a transformer including at least one primary winding, a relay, a sense circuit, and a current control circuit, wherein the sense circuit is configured to monitor input power, control the relay to couple, in a first mode, the input to the at least one primary winding when input power is above an input threshold, and control the relay to decouple, in a second mode, the input from the at least one primary winding when input power is below the input threshold, and wherein the current control circuit is configured, in the first mode, to control current from an AC source through the at least one primary winding to generate an output voltage and, in the second mode, to control current from a DC source through the at least one primary winding to generate the output voltage.
Abstract translation: 本文中至少一些实施例提供包括输入，包括至少一个初级绕组，继电器，感测电路和电流控制电路的变压器的UPS，其中感测电路被配置为监测输入功率，控制继电器耦合 在第一模式中，当输入功率高于输入阈值时，输入到至少一个初级绕组，并且当输入功率低于输入功率时，控制继电器在第二模式中解耦来自至少一个初级绕组的输入 所述输入阈值，并且其中所述电流控制电路被配置为在所述第一模式中，以控制来自AC源的所述至少一个初级绕组的电流以产生输出电压，并且在所述第二模式中，控制来自DC的电流 源极通过至少一个初级绕组以产生输出电压。
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公开(公告)号：US11973414B2
公开(公告)日：2024-04-30
申请号：US17159927
申请日：2021-01-27
Applicant: SCHNEIDER ELECTRIC IT CORPORATION
Inventor： Indra Prakash , Roger Franchino , Damir Klikic
CPC classification number: H02M1/08 , H02M7/003 , H02M7/537 , H05K1/0298 , H05K1/181 , H05K3/32 , H05K2201/09227 , H05K2201/10015 , H05K2201/10166 , H05K2201/10522
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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Patent Agency Ranking
公开(公告)号：US20230353064A1
公开(公告)日：2023-11-02
申请号：US18212215
申请日：2023-06-21
Applicant: SCHNEIDER ELECTRIC IT CORPORATION
Inventor： Indra Prakash , Damir Klikic , Chandrasekaran Jayaraman
CPC classification number: H02M7/53873 , H02M1/0058 , H02M1/126 , H02J9/062 , H02M7/4815 , H02M7/003 , H02M1/0003
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：US11258444B2
公开(公告)日：2022-02-22
申请号：US16838530
申请日：2020-04-02
Applicant: SCHNEIDER ELECTRIC IT CORPORATION
Inventor： Indra Prakash , Damir Klikic
IPC: H03K17/687 , H02J9/06
Abstract: According to one aspect, embodiments herein provide a power switching circuit, comprising a first terminal, a second terminal, a third terminal, and a plurality of switching devices, each switching device having a first transistor having a first gate, a first source, and a first drain, a second transistor having a second gate, a second source, a second drain coupled to the first source, and a bipolar body diode coupled between the second drain and the second source, and a unipolar diode configured to prevent a transition voltage applied across the first gate and the first source from exceeding a degradation threshold of the first transistor during a transition period, wherein a first switching device of the plurality of switching devices is coupled between the first and third terminals and the and a second switching device of the plurality of switching devices is coupled between the second and third terminals.
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公开(公告)号：US11728747B2
公开(公告)日：2023-08-15
申请号：US17386019
申请日：2021-07-27
Applicant: SCHNEIDER ELECTRIC IT CORPORATION
Inventor： Indra Prakash , Damir Klikic , Chandrasekaran Jayaraman
CPC classification number: H02M7/53873 , H02J9/062 , H02M1/0003 , H02M1/0058 , H02M1/126 , H02M7/003 , H02M7/4815
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：US10199957B1
公开(公告)日：2019-02-05
申请号：US15802614
申请日：2017-11-03
Applicant: SCHNEIDER ELECTRIC IT CORPORATION
Inventor： Indra Prakash , Damir Klikic , Hariom Agrawal
IPC: H02M7/797 , H02M7/5395 , H02M3/158 , H02M7/5387 , H02M1/44 , H02M3/335 , H02J9/06 , H02M7/48 , H02M1/00
Abstract: According to one aspect, embodiments herein provide a bidirectional converter comprising a first interface, an input bridge coupled to the first interface, an inverter portion coupled to the input bridge and comprising a first bidirectional converter, a second bidirectional converter, and an output filter coupled to the first bidirectional converter and the second bidirectional converter, a second interface coupled to the output filter, and a controller configured to operate the input bridge to draw DC power from a DC source and provide power to the inverter portion, to operate, in a first mode, the first bidirectional converter, in conjunction with the output filter, to generate a positive half cycle of an output voltage waveform at the second interface, and to operate, in a second mode, the second bidirectional converter, in conjunction with the output filter, to generate a negative half cycle of the output voltage waveform at the second interface.
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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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