公开(公告)号：US09896349B2

公开(公告)日：2018-02-20

申请号：US15291622

申请日：2016-10-12

Applicant: KOREA INSTITUTE OF ENERGY RESEARCH

Inventor： Sukin Park ,  Jae Kyung Yoon ,  Seung Jae Lee ,  In Soo Ryu ,  Gyu Duk Kim

IPC: C02F1/32

CPC classification number: C02F1/325 ,  C02F2201/3222 ,  C02F2201/3227 ,  C02F2201/3228 ,  C02F2201/328 ,  C02F2305/10

Abstract: The present invention provides a water purifying device that may include: an upper cover that is configured to have an inlet for liquid; two or more light source modules that are configured to include a light source that emits a UV ray; two or more light guide plates that are configured to guide, to the front, the UV ray that is incident through the lateral side thereof from the light source module to then be output; a purifying plate that is configured to provide a flow path through which liquid flows, and that is configured to provide a plate-type photocatalyst that is disposed on the flow path so that the UV ray emitted from the light guide plate reaches the plate-type photocatalyst in order to thereby purify the liquid; and a lower cover that is configured to have an outlet for the liquid.

公开(公告)号：US10031545B1

公开(公告)日：2018-07-24

申请号：US15648767

申请日：2017-07-13

Applicant: KOREA INSTITUTE OF ENERGY RESEARCH

Inventor： Su Yong Chae ,  Jong Bok Baek ,  Seung Weon Yu ,  Gyu Duk Kim ,  Suk In Park

IPC: G05F5/00

Abstract: A power conversion system including: a first power conversion module configured to change a current (first module current) supplied to an output node, to monitor efficiency of the power conversion system according to the change in the first module current, and to determine a setting value of the first module current to increase the efficiency; and a second power conversion module configured to control a current (second module current) supplied to the output node according to a voltage (output voltage) formed at the output node.

公开(公告)号：US12199427B2

公开(公告)日：2025-01-14

申请号：US17512995

申请日：2021-10-28

Applicant: Korea Institute of Energy Research

Inventor： Sea Seung Oh ,  Su-Yong Chae ,  Suk In Park ,  Gyu Duk Kim ,  Seung Weon Yu

IPC: H02J3/00 ,  H02J3/14

Abstract: A distribution network management system includes a power generation device including a renewable energy power generation source, and is connected to a distribution network through a first node; a first distributed device including a first distributed resource, connected to the distribution network through a second node, and configured to receive first node information and power generation information from the power generation device and attempt to control the first distributed resource so that an overvoltage for the first node is resolved; and a second distributed device including a second distributed resource, connected to the distribution network through a third node which is located farther away from the first node than the second node, and configured to, when the first node information and the power generation information are received from the first distributed device, attempt to control the second distributed resource so that the overvoltage for the first node is resolved.

公开(公告)号：US09837809B2

公开(公告)日：2017-12-05

申请号：US15165233

申请日：2016-05-26

Applicant: KOREA INSTITUTE OF ENERGY RESEARCH

Inventor： Su Yong Chae ,  Seung Weon Yu ,  Jin Ju Park ,  Sea Shung Oh ,  Gyu Duk Kim ,  Suk In Park

IPC: H02H1/00 ,  G01R31/12

CPC classification number: H02H1/0015 ,  G01R31/1272

Abstract: The present provides an arc detection apparatus that includes: a current sensor configured to sense the first current that flows through the first line of a system in which the influence of noise according to the operation is detected in the first frequency band; a frequency data creator configured to digitally process sensed values of the first current in the first time period and the second time period, respectively, in order to thereby create the first frequency data and the second frequency data for the first frequency band; and an arc determination unit configured to determine the possibility of the generation of an arc of the system according to comparison data between the first frequency data and the second frequency data.

公开(公告)号：US09637017B2

公开(公告)日：2017-05-02

申请号：US14523051

申请日：2014-10-24

Applicant: Korea Institute of Energy Research

Inventor： Yoon Dong Sung ,  Su Bin Han ,  Sea Seung Oh ,  Su Yong Chae ,  Gyu Duk Kim ,  Seung Weon Yu ,  Yujin Song ,  ILoun Lee ,  Sukin Park

IPC: B60L11/18

CPC classification number: B60L11/1824 ,  B60L11/1844 ,  B60L11/1848 ,  B60L11/185 ,  B60L11/1862 ,  Y02E60/721 ,  Y02T10/7005 ,  Y02T10/7044 ,  Y02T10/705 ,  Y02T10/7072 ,  Y02T90/121 ,  Y02T90/128 ,  Y02T90/14 ,  Y02T90/169 ,  Y04S10/126 ,  Y04S30/14

Abstract: The present disclosure provides a charging system including: at least two charging devices including at least two output units configured to supply connected automobiles with charging power, a first bus electrically connected to the output units and configured to transfer charging power to the output units, and a power processing unit configured to process power, which is supplied from a power source, using a first capacity and supply the first bus with the processed power; and a second bus configured to connect a first bus of a first charging device and a first bus of a second charging device, wherein, when a total capacity of charging power supplied to automobiles connected to the first charging device exceeds the first capacity, a part or all of lacking capacity is supplied via the second bus.