30 patents
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Utility
Damper for Reinforcing Earthquake Resistance
10 Jun 20
A damper for reinforcing earthquake resistance according to the present invention includes a first supporting part mounted in a building structure, a second supporting part mounted on a support structure movably disposed to be separated from the building structure, and disposed to face the first supporting part, and a damper part connecting the first supporting part with the second supporting part and absorbing energy generated by an earthquake.
Kyung Jin LEE, Sang Hoon OH, Kwang Yong CHOI, Kyung Won HAHM
Filed: 21 Aug 18
Utility
System for Evaluating Performance of Carbon Dioxide Separation Membrane Module and Device Therefor
10 Jun 20
A carbon dioxide (CO2) separation membrane module performance evaluation system and device may include a simulated gas supply line configured to simulate a gas composition of boiler exhaust gas and supply the gas to a module unit part; the module unit part including a CO2 separation membrane module and configured to cause the gas to permeate through the CO2 separation membrane module and separately discharge permeated gas, to a permeation line, and separately discharge passed gas to a passage line; a discharge line configured to combine the gases and discharge the combined gas to the outside of the system; an analyzer part configured to collect each of the gas, analyze components thereof, and evaluate performance of the module; a refiner part to remove pollutants; a measurer part to measure a flow rate, a temperature, and a pressure; and a controller part to determine a state of the overall system.
Jung Bin LEE, Joong Won LEE, Kyung Min KIM, Jun Han KIM, Yong Seok EOM, Ky Yeong SHIN, Gwan Shig KIM
Filed: 4 Jan 18
Utility
Apparatus for Controlling Ess According to Transient Stability State and Method Thereof
10 Jun 20
The present invention relates to an ESS control device based on transient stability state and a method thereof, the an ESS control device based on transient stability state according to an embodiment of the present invention including an input unit receiving phase angle information from a power system; a calculation unit calculating a change rate in the phase angle of the power system using the phase angle information; a determination unit determining the transient stability state of the power system by comparing the change rate of the phase angle with a predetermined threshold; and a control unit performing control so that an energy storage system (ESS) installed in a power generation stage is switched to a charging mode according to the determination result.
Tae-Ok KIM, Jong-An KIM, Gu-Han KIM, Chong-Ho RHIM, Yong-Gu HA
Filed: 1 Aug 17
Utility
Electric Car Charging Apparatus Installed on Utility Pole and Based on Load of Transformer Connected to Distribution Line, Electric Car Charging System, and Method for Controlling Electric Car Charging Apparatus Installed on Utility Pole
8 Apr 20
An electric car charging apparatus installed on a utility pole according to one embodiment of the present invention may comprise: a first port for supplying power to an electric car; a second port for receiving power converted by a transformer connected to a distribution line; a breaker for switching the state, open or closed, between the first and second ports; a control unit for receiving load data of the transformer, and controlling the breaker so that the first port and second port are electrically open to each other when the load according to the load data is greater than the reference load.
Seong-Man KIM, Hyun-Soo RYU, Bong-Kun JIN, Jae-Youl OH, Do-Jin YOU
Filed: 11 Jun 17
Utility
Carbon Dioxide Separator
5 Feb 20
A carbon dioxide separator includes an absorption tower for producing a carbon dioxide-rich absorbent and a carbon dioxide-depleted flue gas by reaction of a carbon dioxide-containing flue gas and an absorbent contained therein; a regeneration tower for removing the carbon dioxide-rich absorbent transferred from the absorption tower in the presence of the flowing gas to separate the same into a carbon dioxide-rich treatment gas and a carbon dioxide-lean absorbent; and a separation membrane module for selectively membrane-separating and concentrating the carbon dioxide, wherein the carbon dioxide-containing flue gas is transferred to the absorption tower as a carbon dioxide-lean flue gas obtained via the separation membrane module, and the flowing gas is transferred to the regeneration tower as the carbon dioxide-rich flue gas obtained via the separation membrane module from the carbon dioxide-containing flue gas.
Tae Hyoung EOM, Joong Beom LEE, Ui Sik KIM, Hyun Geun JO, Joong Won LEE
Filed: 29 Nov 16
Utility
Transformer Hydrogen Gas Monitoring System, Device, and Method
29 Jan 20
A transformer hydrogen gas monitoring system according to an embodiment of the present invention may comprise: a sensor module, which is disposed to allow at least a part thereof to meet hydrogen gas in a transformer and measures a resistance value of a member having a variable resistance value according to a hydrogen concentration in the transformer; and a multi-task module for receiving a sensing result of the sensor module, generating hydrogen concentration information corresponding to resistance value information included in the sensing result, and remotely transmitting information corresponding to the generated hydrogen concentration information.
Seok-Kon KIM, Jeong-Yeol HAN, You-Jin LEE, Tea-Kyun KIM, Yong-Ho AN, Byung-Tae JANG, Jong-Kee CHOI, Nam-Ho LEE, Nam-Dae KIM
Filed: 17 Aug 17
Utility
Protective Relay Test Equipment Operation Device and Method
15 Jan 20
A protective relay test equipment operation device according to an embodiment of the present invention may comprise: a switch unit for, upon reception of a trip signal or a close signal from a protective relay, changing an electrical connection state between a first port configured to be electrically connected to test equipment that generates a test signal and a second port configured to be electrically connected to the protective relay; a measurement unit for measuring a voltage and a current between the first port and the second port during a test period in which an operation time point of the switch unit is a start time point or an end time point; and a calculation unit for calculating a plurality of time point-specific impedance values within the test period according to a measurement result of the measurement unit.
Young-Hun KWON, Ki-Seob YUN, Guk-Tae KIM
Filed: 17 Aug 17
Utility
Power Transformer Asset Management Device and Method Therefor
25 Dec 19
The present invention relates to a power transformer asset management device and a method thereof, the device according to the present invention including: a full cycle database managing full cycle data of a power transformer; a physical performance evaluation unit performing physical performance evaluation that calculates a health index by analyzing and weighting life information, a failure ratio, operation history, and status information of a preventive diagnosis system from the full cycle data; a risk evaluation unit performing risk evaluation by generating a risk matrix using the physical performance evaluation result; an economic evaluation unit performing economic evaluation by evaluating costs over a full cycle of the power transformer; and an asset management unit establishing an investment plan for replacing the power transformer according to a maintenance priority of the power transformer determined using the physical performance evaluation result, the risk evaluation result, and the economic evaluation result.
Dong-Jin KWEON, Byoung-Soo JOO, Yong-Beum YOON
Filed: 3 Aug 17
Utility
Data Concentration Unit, Power Meter, and Method for Operating Same
13 Nov 19
The present invention relates to a data concentration unit, a power meter, and a method of operating the same.
Tae-Gyeong KIM, Young-Hyun KIM, Jong-Mock BAEK, Byung-Kab JO
Filed: 13 Nov 16
Utility
Solid Raw Material for Carbon Dioxide Absorbent, Carbon Dioxide Absorbent Composition Comprising Same, and Carbon Dioxide Absorbent Prepared Using Same
9 Oct 19
The present invention relates to a carbon dioxide absorbent used for absorbing carbon dioxide, a carbon dioxide absorbent composition used for producing the carbon dioxide absorbent, and a solid raw material for a carbon dioxide absorbent included in the carbon dioxide absorbent.
Joong Beom LEE, Tae Hyoung EOM, Hyun Geun JO, Jeom In BAEK, Ui Sik KIM
Filed: 17 Nov 16