-
161.发明公开公开(公告)号：US20240213851A1
公开(公告)日：2024-06-27
申请号：US18288514
申请日：2022-03-14
Applicant: LS ELECTRIC CO., LTD.
Inventor： Jung Wook SIM
CPC classification number: H02K7/1838 , H01F27/24 , H01F27/2823 , F03D9/25
Abstract: Disclosed are a wind power generation system including a semiconductor transformer module in which a power conversion device and a transformer are integrally formed, and a control method therefor, and more particularly, a wind power generation system including a semiconductor transformer module and a control method therefor, the system including a rotating unit that is rotatable by wind power and a nacelle coupled to one side of the rotating unit, wherein the nacelle includes a generator and a semiconductor transformer module for converting input power of the generator into power of a higher voltage.
-
公开(公告)号：US20240186084A1
公开(公告)日：2024-06-06
申请号：US18285921
申请日：2022-04-29
Applicant: LS ELECTRIC CO., LTD.
Inventor： Yong Ik PARK , Han Baek CHUNG
IPC: H01H33/18
CPC classification number: H01H33/18
Abstract: Disclosed are a circuit breaking unit and an air circuit breaker including the same. The present disclosure provides a circuit breaking unit, including: a fixed contact; a movable contact that is in contact with or spaced apart from the fixed contact; a fixed contact terminal having the fixed contact disposed at a lower end thereof and extending upward; a movable contact terminal on which the movable contact is disposed and configured such that the movable contact moves in a direction toward the fixed contact or in a direction away from the fixed contact; and a low runner disposed extending upward from the fixed contact, one end thereof coupled to the fixed contact terminal, and the other end thereof spaced apart from the fixed contact terminal, wherein a magnet unit or a U assembly is disposed between the low runner and the fixed contact terminal.
-
公开(公告)号：US20240171047A1
公开(公告)日：2024-05-23
申请号：US18282964
申请日：2021-11-25
Applicant: LS ELECTRIC CO., LTD.
Inventor： Dong Sik KIM , Chun Suk YANG
CPC classification number: H02K11/33 , H05K1/144 , H02K2211/03
Abstract: An electric motor drive device is provided. The electric motor drive device according to an embodiment of the present disclosure to which an operation module is connected, may comprise: a first case having a first surface formed therein; a second case having an inner accommodation space formed therein and having an outer portion to which the operation module is coupled; a first circuit board disposed at the first surface and having a first connector at one side thereof, a second circuit board disposed within the second case and having a second connector; and a first fixing member formed to protrude from the first surface.
-
公开(公告)号：US20240170241A1
公开(公告)日：2024-05-23
申请号：US18284992
申请日：2022-03-20
Applicant: LS ELECTRIC CO., LTD.
Inventor： Moon-Sub LEE
IPC: H01H33/662 , B66C1/10
CPC classification number: H01H33/66207 , B66C1/10 , H01H2033/6623
Abstract: The present disclosure relates to a vacuum circuit breaker in which lift hooks are accommodated, the circuit breaker having accommodated lift hooks mounted therein to allow a user to lift the lift hooks and use same whenever necessary, and accommodating the lift hooks after use, thereby improving user convenience. The circuit breaker according to the present invention may comprise: a circuit breaker main body; a plurality of fixing bolts mounted on and fixed to the circuit breaker main body; and the lift hooks, each having a plurality of moving holes into which the plurality of fixing bolts are inserted, and moving along the plurality of moving holes in a sliding manner.
-
公开(公告)号：US20240170185A1
公开(公告)日：2024-05-23
申请号：US18282737
申请日：2022-02-14
Applicant: LS ELECTRIC CO., LTD.
Inventor： Ki Nam RYU , Min Jee KIM
Abstract: The present disclosure relates to a superconducting power supply system which may comprise: a superconducting cable connected between terminals; a recovery pipe forming a closed loop with the superconducting cable to recover a liquid coolant of the superconducting cable; a pump for providing a circulating pressure of the liquid coolant through the recovery pipe; a refrigerator for maintaining a temperature by cooling the liquid coolant; and a superconducting fault current limiter for maintaining the temperature of a superconducting element immersed in a supercooled liquid coolant by introducing the liquid coolant recovered through the recovery pipe.
-
Patent Agency Ranking
公开(公告)号：US20240153724A1
公开(公告)日：2024-05-09
申请号：US18278782
申请日：2022-01-13
Applicant: LS ELECTRIC CO., LTD.
Inventor： Dongsik LEE
CPC classification number: H01H33/121 , H01H33/08 , H01H33/42
Abstract: Disclosed are an arc chute and a load break switch including same. The arc chute can be installed so as to be in close contact with a curved frame part, and comprises: two cover parts which are arranged adjacent to the outer circumference of the frame part and spaced apart from each other, and overlap each other in the axial direction of the frame part; and an arc grid which is located between the two facing cover parts and coupled to each of the two cover parts. Each of the cover parts is configured such that one side in contact with the outer circumference of the frame part has a shape corresponding to the outer circumference of the frame part.
-
公开(公告)号：US20240147677A1
公开(公告)日：2024-05-02
申请号：US18272155
申请日：2021-12-03
Applicant: LS ELECTRIC CO., LTD.
Inventor： Soo Yong HWANG , Kil Ju JUNG , Su Hyeong LEE , Won Suk CHOI , Kyu Hwa KIM
CPC classification number: H05K7/20909 , H02M7/003 , H05K7/209
Abstract: A lower module of a power electronic device includes a lower module included in a power electronic device that is divided into an upper module and a lower module by an intermediate plate and comprises a blower fan to introduce air into the inner space of the lower module; a plurality of capacitors installed in a suspended form on the intermediate plate and spaced apart from the blower fan; a heat sink having a plurality of heat dissipation fins through which heat generated from a heating component disposed on the upper module is conducted, and disposed adjacent to the capacitors to cool the plurality of heat dissipation fins by air moved from the plurality of capacitors; a DC reactor cooled by the air moved from the heat dissipation fins; and a discharge plate having a vent hole to discharge the air moved from the DC reactor to the outside.
-
公开(公告)号：US11949324B2
公开(公告)日：2024-04-02
申请号：US17602907
申请日：2020-03-17
Applicant: LS ELECTRIC CO., LTD.
Inventor： Jae-Moon Lee , Chun-Suk Yang , Tae-Suk Bae
IPC: H02M1/32 , H02M7/5387 , H02P27/08 , H02P29/024
CPC classification number: H02M1/32 , H02M7/53871 , H02P27/08 , H02P29/027
Abstract: The present disclosure relates to an overcurrent protection inverter, and more particularly, to an inverter, which uses a leg-shunt resistor so as to detect an instantaneous maximum output current and an AD current, thereby performing an inverter protection operation. The present disclosure detects the instantaneous maximum output current and detects the AD current from the leg-shunt resistor so as to perform an overcurrent protection operation when an overcurrent occurs in the entire inverter operation section, thereby enabling protection of the inverter.
-
公开(公告)号：US11936166B2
公开(公告)日：2024-03-19
申请号：US16971916
申请日：2019-01-10
Applicant: LS ELECTRIC CO., LTD.
Inventor： Ji-Hyun Choi
IPC: H02B1/30 , H02B13/035 , H04N5/33
CPC classification number: H02B1/306 , H02B13/0356 , H04N5/33
Abstract: A switchboard monitoring system, according to one embodiment of the present specification, comprises: a thermal imaging apparatus for acquiring thermal imaging information of a device disposed in a switchboard panel; and a control apparatus for receiving the thermal imaging information from the thermal imaging apparatus, generating temperature information of the device on the basis of the received thermal imaging information, and detecting the temperature state of the device on the basis of the generated temperature information.
-
公开(公告)号：US20240079192A1
公开(公告)日：2024-03-07
申请号：US18272385
申请日：2022-01-13
Applicant: LS ELECTRIC CO., LTD.
Inventor： Kwanghyeon AHN , Hyunwook LEE
IPC: H01H33/668 , H01H33/664
CPC classification number: H01H33/668 , H01H33/6643 , H01H2239/06
Abstract: The present disclosure provides a vacuum circuit breaker which can measure and monitor temperature of a tulip contactor, the vacuum circuit breaker comprising: a conductive pole including a tulip contactor; and a temperature detecting sensor disposed adjacent to the tulip contactor, wherein the temperature detecting sensor comprises: a sensor body; a fixing band coupled to the sensor body and disposed to surround a part of the conductive pole; and a temperature measurement part which comes into contact with a specific point of the tulip contactor to measure the temperature of the specific point, wherein a sensor insertion hole for accommodating a part of the temperature measurement part is recessedly formed at one surface of the tulip contactor facing the sensor body.
-
-
-
-
-
-
-
-
-
Search Results
391
records
(took 0.022 seconds)
