公开(公告)号：US20190162785A1

公开(公告)日：2019-05-30

申请号：US15980927

申请日：2018-05-16

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Uijung KIM ,  Namwon MOON ,  Jinha YOO ,  Seung-Kab RYU

IPC: G01R31/327 ,  H03H7/01 ,  H02H9/04 ,  G01R23/00

Abstract: An apparatus and method for monitoring the performance of a power line filter. The apparatus for monitoring the performance of a power line filter includes a performance degradation monitoring unit for monitoring performance degradation of individual components constituting a power line filter, and then generating performance degradation information, a frequency characteristic measurement unit for measuring frequency characteristics of the power line filter, and a performance monitoring unit for determining at least one of an operating state and performance of the power line filter based on the performance degradation information of the individual components and information on the frequency characteristics of the power line filter.

公开(公告)号：US20200076188A1

公开(公告)日：2020-03-05

申请号：US16550432

申请日：2019-08-26

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Kwanguk CHU ,  Jinha YOO ,  Namwon MOON ,  Seung-Kab RYU

IPC: H02H9/04 ,  G21J1/00

Abstract: A surge protection apparatus includes a signal determination unit configured to generate a control signal by detecting a surge on a power line, and a switching unit connected between the power line and a ground terminal and configured to include a power transistor that is turned on in response to the control signal.