公开(公告)号：US12204391B2

公开(公告)日：2025-01-21

申请号：US17802869

申请日：2021-01-22

Applicant: LS ELECTRIC CO., LTD.

Inventor： Hun Park

IPC: G06F1/26 ,  G06F13/40 ,  G06F13/42

Abstract: The present disclosure provides a connector comprising: a line connection part to which a power line for supplying voltage and a signal line through which a communication signal is transmitted are connected; a device connection part which is electrically connected to the power line and the signal line and to which communication devices are connected; and a selection switch unit which, in order to increase the reception sensitivity of the communication signal transmitted to an end communication device positioned at the end among the communication devices, connects the end communication device, which is connected to the device connection part, and a fail-safe voltage circuit disposed inside thereof.

公开(公告)号：US12198883B2

公开(公告)日：2025-01-14

申请号：US17755951

申请日：2020-04-09

Applicant: LS ELECTRIC CO., LTD.

Inventor： Kyunghwan Oh ,  Kihwan Oh ,  Younghwan Kim ,  Jeongjae Lim ,  Yonghun Lee

IPC: H01H71/16 ,  H01H50/18

Abstract: A trip device is disclosed. The trip device according to an embodiment of the present disclosure comprises an adjustment crossbar. The adjustment crossbar is in contact with or is spaced apart from a shooter and can open or close a breaker having the trip device. The adjustment crossbar is formed by coupling a fixed crossbar and a movable crossbar. The movable crossbar is slidably coupled to the fixed crossbar. The shooter is in contact with the fixed crossbar. Therefore, regardless of the movement of the movable crossbar, the contact between the shooter and the fixed crossbar can be maintained.

公开(公告)号：US20240355567A1

公开(公告)日：2024-10-24

申请号：US18682364

申请日：2022-11-14

Applicant: LS ELECTRIC CO., LTD.

Inventor： Ha Su KIM ,  Jin Hee PARK ,  Young Jun SON

IPC: H01H50/60 ,  H01H9/44 ,  H01H50/38

CPC classification number: H01H50/60 ,  H01H9/443 ,  H01H50/38

Abstract: The present disclosure discloses an arc path formation unit and a direct current relay including the same, which can effectively guide a generated arc to the outside, including a magnet holder unit disposed between the outside of an arc chamber and the inside of a frame and including a first holder and a second holder different from each other; and a magnet unit attached to one surface of the magnet holder unit facing the arc chamber and forming a magnetic field in the arc chamber, wherein the first holder and the second holder are each bent at a predetermined angle and extended, the magnet unit is attached to both ends thereof, and a magnetic field formed in the magnet unit forms an electromagnetic force together with the electric current energizing through the direct current relay to guide the arc in a direction away from a fixed contact.

公开(公告)号：US12119643B2

公开(公告)日：2024-10-15

申请号：US17925191

申请日：2021-04-28

Applicant: LS ELECTRIC CO., LTD.

Inventor： Hoyoung Kang

IPC: H02J13/00 ,  G06Q50/06 ,  H04L69/00 ,  H04L69/18

CPC classification number: H02J13/00001 ,  G06Q50/06 ,  H04L69/18 ,  H04L69/26 ,  Y04S40/12

Abstract: The present specification relates to a data collection apparatus of a power system, the data collection apparatus comprising: a communication unit that communicates with a plurality of sites using different communication protocols to receive, from the plurality of sites, data about energy use information; a storage unit that stores a plurality of data models respectively corresponding to the communication protocols to store the data in each of the plurality of data models; and a processing unit that generates a basic data model by performing data modeling according to any one of the communication protocols, generates one or more extended data models by performing data modeling according to the rest of the communication protocols, includes the extended data models in the basic data model, and stores the included extended data models in the storage unit.

公开(公告)号：US20240341055A1

公开(公告)日：2024-10-10

申请号：US18292215

申请日：2022-10-17

Applicant: LS ELECTRIC CO., LTD.

Inventor： Jeong Woo LIM ,  Jung Wook SIM

IPC: H05K7/20

CPC classification number: H05K7/20145 ,  H05K7/20909

Abstract: A duct module and a power conversion module including the same are disclosed. The duct module according to an aspect of the present disclosure may include: a duct body formed to extend in one direction and communicating with a flow path member respectively; and a flow path coupling part coupling the duct body to the flow path member respectively and, wherein the duct body includes a duct space that is formed inside the duct body, extends in the one direction, and is formed to be open at each end in the extending direction to communicate with the flow path member; and at least one surface surrounding the duct space in an outer circumferential direction.

公开(公告)号：US20240322468A1

公开(公告)日：2024-09-26

申请号：US18576430

申请日：2022-09-13

Applicant: LS ELECTRIC CO., LTD.

Inventor： Won Suk CHOI

IPC: H01R12/75 ,  H01R13/502 ,  H01R13/52

CPC classification number: H01R12/75 ,  H01R13/502 ,  H01R13/5205

Abstract: A cable connector is provided. The cable connector according to an aspect of the present disclosure is a cable connector for connecting a lug, which is formed at one end of a cable and includes a protrusion with a greater diameter than the cable, to a circuit board provided within a case, the cable connector comprising: a first member fixed to the case and having a through-hole into which the cable can be inserted; and a second member provided at one side of the first member and having a coupling hole to which the protrusion of the lug can be coupled, wherein the second member includes a first lug fixing portion formed at the inlet side of the coupling hole, adjacent to the first member, to protrude inward into the coupling hole.

公开(公告)号：US12087534B2

公开(公告)日：2024-09-10

申请号：US17755954

申请日：2020-03-27

Applicant: LS ELECTRIC CO., LTD.

Inventor： Hong-Ik Yang

IPC: H01H71/10 ,  H01H71/02

CPC classification number: H01H71/10 ,  H01H71/02 ,  H01H2235/00

Abstract: The present disclosure relates to a circuit breaker comprising: a circuit breaking part in which contact points of a fixed contact and a movable contact are in contact with each other; and an energy accumulation part for accumulating energy of a closing spring for controlling contact between the fixed contact and the movable contact, wherein the energy accumulation part comprises: an electromotive energy accumulation part; and a manual energy accumulation part separated from the electromotive energy accumulation part by a manual energy accumulation spring, and engaged with the electromotive energy accumulation part by unit of external pressure so as to transmit an inputted rotational force to the electromotive energy accumulation part, thereby accumulating the energy of the closing spring.

公开(公告)号：US20240297000A1

公开(公告)日：2024-09-05

申请号：US18281245

申请日：2022-02-16

Applicant: LS ELECTRIC CO., LTD.

Inventor： Woonghyeob SONG ,  Jungwook SIM ,  Sunghee KANG ,  Dongjin YUN ,  Jaeho LEE

IPC: H01H9/52 ,  H01H9/54

CPC classification number: H01H9/52 ,  H01H9/548

Abstract: The present disclosure relates to a semiconductor circuit breaker, and more particularly, to a semiconductor circuit breaker having excellent heat dissipation. The semiconductor circuit breaker according to one embodiment of the present invention comprises: a switching device provided in an upper space of an enclosure; an air gap switch (mechanical switch) provided in the upper space and disposed forward of the switching device; an electric circuit disposed on an upper portion of the switching device; a heatsink provided in a lower space of the enclosure and coupled to a lower portion of the switching device; and a cooling fan provided in the lower space and disposed in a front portion of the enclosure.

公开(公告)号：US12068705B2

公开(公告)日：2024-08-20

申请号：US17440515

申请日：2019-08-13

Applicant: LS ELECTRIC CO., LTD.

Inventor： Byung Geuk Cho

IPC: H02P27/08 ,  H02M7/5395 ,  H02P25/026

CPC classification number: H02P27/08 ,  H02M7/5395 ,  H02P25/026

Abstract: An apparatus and a method for inverter control are disclosed. A method according to an embodiment of the present disclosure comprises: discretizing, in a continuous time domain, a voltage equation for a motor in a stationary coordinate system in which a zero-order hold and time delay is reflected; and determining a voltage equation for the motor in a synchronous coordinate system in a discrete time domain by reflecting the position and speed of a rotor of the motor.

公开(公告)号：US20240255547A1

公开(公告)日：2024-08-01

申请号：US18282935

申请日：2022-03-14

Applicant: LS ELECTRIC CO., LTD.

Inventor： Jeong Woo LIM

IPC: G01R15/14

CPC classification number: G01R15/146

Abstract: The present invention relates to a current measuring device comprising: a plurality of unit modules which are provided with mutually different grounds and are connected in series; a power unit which supplies high-voltage DC or AC power to the plurality of unit modules via a line; and a current sensor which measures a current flowing through the line.