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公开(公告)号：US11476646B2
公开(公告)日：2022-10-18
申请号：US16574886
申请日：2019-09-18
申请人： LSIS CO., LTD.
发明人： Hong-Ik Yang
摘要： An apparatus for retracting and extending a main body of a circuit breaker includes: a conveying module for retracting or extending the main body into or from a distribution box of the circuit breaker; a lever module including a lever selectively switching between a first state and a second state, where the lever module allows movement of the conveying module when the lever is in the first state, and disallows movement of the conveying module when the lever is in the second state; and an interlock module configured to allow the lever to switch to the first state only when a predetermined external input is applied to the interlock module.
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公开(公告)号：US11205902B2
公开(公告)日：2021-12-21
申请号：US16636849
申请日：2018-04-20
申请人： LSIS CO., LTD.
发明人： Ui-Jai Lim , Young-Geun Kim , Il-Hyung Lim , Do-Hyun Kim
摘要： The present disclosure relates to an energy storage system for managing power of a system and a DC power distribution network linked with the system. In one embodiment, the system comprises a first converter connected between the system and the DC power distribution network so as to control voltage of the DC power distribution network; a second converter connected to the DC power distribution network; a battery which is connected to the second converter and in which a charging/discharging operation is controlled by the second converter; a third converter connected to the DC power distribution network; an emergency generator which is connected to the third converter and in which a power is controlled by the third converter; a fourth converter connected to the DC power distribution network; and a first load which is connected to the fourth converter and in which a voltage is controlled by the fourth converter.
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公开(公告)号：US11177098B2
公开(公告)日：2021-11-16
申请号：US16495309
申请日：2017-09-07
申请人： LSIS CO., LTD.
发明人： Ji-Hong Park , Hye-Lim Yoon , Jae-Seop Kim
摘要： A DC circuit breaker having an arc blowout device according to the present invention comprises: a fixed contact; a movable contact operating so as to make contact with or separate from the fixed contact; an operation part for driving the movable contact; and a blowout device which provides a magnetic field in a direction crossing the arc generated when the movable contact is separated, wherein the blowout device includes: a pair of core plates arranged side by side on both sides of the movable contact and the fixed contact; core rods integrally connected to the core plates, respectively, and having symmetrical shapes to each other; and a blowout coil coupled to one of the core rods.
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4.发明授权公开(公告)号：US11049677B2
公开(公告)日：2021-06-29
申请号：US16472718
申请日：2017-12-19
发明人： Woo Young Lee , Hae Yong Park , Gyeong Ho Lee , Sang Hun Park , Chae Yoon Bae , Jung Wook Sim , Hyun Jae Jang
IPC分类号： H01H33/00 , H01H33/59 , H01H33/666 , H02H3/087
摘要： The DC interrupting device includes a main current conduction unit including a main interrupting switch, which is a mechanical switch, a reverse current power supply unit connected to an input terminal of the main current conduction unit and configured to generate a predetermined reverse current, and a reverse current conduction unit configured to supply the reverse current to an output terminal of the main current conduction unit. The reverse current power supply unit includes a first reverse current dedicated capacitor charged by a voltage applied to an input terminal of the main current conduction unit, a polarity reversing inductor configured to reverse a polarity of the first reverse current dedicated capacitor, and a reverse current power supply unit switch configured to perform circuit connection such that the polarity reversing inductor reverses the polarity of the first reverse current dedicated capacitor.
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公开(公告)号：US20210194275A1
公开(公告)日：2021-06-24
申请号：US16486374
申请日：2017-08-24
申请人： LSIS CO., LTD.
发明人： Ji-Heon LEE , Dong-Jin YUN , Ji-Hong KIM , Yun-Jae LEE , Min-Jae KIM
摘要： Disclosed is an uninterruptible power supply system comprising an energy storage system (ESS). The uninterruptible power supply system comprises an ESS and is connected to a grid, and further comprises: a first converter for converting an alternating current voltage of the grid into a direct current voltage; a second converter connected in series to the first converter, for converting the direct current voltage outputted from the first converter into an alternating current voltage and transferring same to a load; the ESS comprising a battery connected to a node between the first and second converter, for performing charging and discharging; and a PLC for receiving the operation statuses of the first and second converters, and on the basis thereof, controlling the operation of the uninterruptible power supply system, wherein the PLC determines the operation mode of the ESS by using the received operation statuses of the first and second converters.
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公开(公告)号：US11038436B2
公开(公告)日：2021-06-15
申请号：US16637433
申请日：2018-07-18
发明人： Sung-Guk Ahn , Seung-Ki Sul , Hyun-Sam Jung , Jeong-Mock Yoo
摘要： A unit power cell of an inverter system, according to one embodiment of the present invention, comprises: a first leg including first and fourth switching elements, which are connected in series to each other, second and third switching elements, which are connected in series with each other between a connection point of the first and second switching elements and a smoothing unit, and first, second, third and fourth diodes, which are inversely and respectively connected in parallel with the first, second, third and fourth switching elements; and a second leg connected in parallel with the first leg and including fifth and sixth switching elements, which are connected in series to each other, and fifth and sixth diodes, which are inversely and respectively connected in parallel with the fifth and sixth switching elements.
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公开(公告)号：US11026341B2
公开(公告)日：2021-06-01
申请号：US16279451
申请日：2019-02-19
申请人： LSIS CO., LTD.
发明人： Teagsun Jung
IPC分类号： H05K7/12 , H01L29/74 , H02J3/18 , H05K7/20 , H01L23/40 , H01L21/50 , H05K7/14 , H01L25/00 , H01L25/11
摘要： A switching module may include a plurality of cooling plates stacked along a vertical direction, a switch disposed between the cooling plates, a first supporting member disposed below the lowermost cooling plate, a second supporting member disposed above the uppermost cooling plate, first and second pressing support portions disposed between the lowermost cooling plate and the first supporting member, and a pressing member disposed between the uppermost cooling plate and the second supporting member.
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公开(公告)号：USD909218S1
公开(公告)日：2021-02-02
申请号：US29689896
申请日：2019-05-02
申请人： LSIS CO., LTD.
设计人： Minho Choi
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公开(公告)号：US10889190B2
公开(公告)日：2021-01-12
申请号：US15383011
申请日：2016-12-19
申请人： LSIS CO., LTD.
发明人： Kwang-Soo Koh , Ho-Hyun Kang
摘要： Disclosed herein is an apparatus for controlling an electric vehicle charging system. The apparatus charges each of a plurality of batteries up to a first preset voltage lower than a full charge voltage by voltage control, charges the plurality of batteries up to a predetermined percentage of a second preset voltage that is the full charge voltage by current control, and charges the plurality of batteries up to the second preset voltage by the voltage control.
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公开(公告)号：USD904317S1
公开(公告)日：2020-12-08
申请号：US29686825
申请日：2019-04-08
申请人： LSIS CO., LTD.
设计人： Minho Choi
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