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    Virtual display
    3.
    发明授权
    Virtual display 有权

    公开(公告)号：US10896658B1

    公开(公告)日：2021-01-19

    申请号：US16838594

    申请日：2020-04-02

    Applicant: Schweitzer Engineering Laboratories, Inc.

    Inventor： Edmund O. Schweitzer, III ,  Tony J. Lee ,  Krishnanjan Gubba Ravikumar ,  Lisa Gayle Nelms

    IPC: G09G5/00

    Abstract: The present disclosure pertains to systems and methods for generating a virtual display using a unidirectional communication channel. In one embodiment, a system may comprise a transmitting device including a processing subsystem to generate a representation of an encoded signal comprising information to be displayed on a virtual display. A virtual display transmission subsystem may transmit the encoded signal. A receiving device may comprise a virtual display reception subsystem to receive the encoded signal. A processing subsystem may extract the information to be displayed on the virtual display from the encoded signal and generate a representation of the virtual display. A virtual display subsystem may display the representation of the virtual display. The virtual display transmission subsystem and the virtual display reception subsystem may create a unidirectional communication channel from the transmitting device to the receiving device.

    Data tunneling for testing equipment in electric power system
    5.
    发明授权
    Data tunneling for testing equipment in electric power system 有权

    公开(公告)号：US11115311B1

    公开(公告)日：2021-09-07

    申请号：US16876259

    申请日：2020-05-18

    Applicant: Schweitzer Engineering Laboratories, Inc.

    Inventor： Edmund O. Schweitzer, III ,  David E. Whitehead ,  Tony J. Lee ,  Lisa Gayle Nelms ,  Austin Edward Wade ,  Krishnanjan Gubba Ravikumar

    IPC: H04L12/26

    Abstract: The present disclosure relates to systems and methods for creating a data tunnel to communicate test data in a test configuration in an electric power system. In one embodiment, a remote unit may include a monitored equipment interface to receive information representative of a condition in the electric power system from a test set and a first test data port to communicate test data through the data tunnel in the test configuration. The remote unit may use a first communication subsystem to generate and transmit a stream of data packets comprising information from the monitored equipment interface and information from the first test data port to be routed through the data tunnel. A protection system may receive the stream of data packets from the first communication subsystem and separate information from the monitored equipment interface and information from the test data routed through the data tunnel.

    Isolation of protective functions in electrical power systems
    7.
    发明授权
    Isolation of protective functions in electrical power systems 有权

    公开(公告)号：US11522358B2

    公开(公告)日：2022-12-06

    申请号：US16876268

    申请日：2020-05-18

    Applicant: Schweitzer Engineering Laboratories, Inc.

    Inventor： Lisa Gayle Nelms ,  Dean G. Stevens ,  Paul Stoaks

    IPC: H02H7/20 ,  G05B19/042 ,  H02H1/00 ,  G06F12/14 ,  G06F13/16

    Abstract: Systems, devices, and methods include protective functions in an electrical power system. For example, a processing subsystem may include a first processor and a second processor. The first processor and the second processor may operate independently. A memory subsystem may comprise a first memory section and a second memory section. A memory management subsystem may enable memory access between the first processor and the first memory section and disable memory access between the first processor and the second memory section. The memory management subsystem may further enable memory access between the second processor and the second memory section and disable memory access between the second processor and the first memory section. A protection subsystem may include the first processor and the first memory section and enable a protection function. The second processor and the second memory section may provide a second function that operates independently of the protection function.

    MERGING UNIT VERIFICATION USING UNIQUE IDENTIFIERS
    8.
    发明申请
    MERGING UNIT VERIFICATION USING UNIQUE IDENTIFIERS 有权

    公开(公告)号：US20220286534A1

    公开(公告)日：2022-09-08

    申请号：US17190801

    申请日：2021-03-03

    Applicant: Schweitzer Engineering Laboratories, Inc.

    Inventor： Bharat Nalla ,  Vishal Patil ,  Lisa Gayle Nelms ,  Lihua Ran ,  Ozan Akyildiz

    IPC: H04L29/06 ,  H04L29/08 ,  G05B19/042 ,  H02H1/00 ,  H02H7/20

    Abstract: The present disclosure pertains to systems and methods to verify information received from a merging unit. In one embodiment, a system may include a merging unit interface comprising a port configured to communicate with the merging unit. The system may include a commissioning subsystem to receive a unique identifier (“UID”) associated with the merging unit using the port during a commissioning process, to store the UID associated with the merging unit, and to associate the UID with the port. In operation, a verification subsystem may receive a plurality of transmissions from the merging unit and verify that the plurality of transmissions originated from the merging unit based on matching the UID stored in the commissioning process with the UID in the plurality of transmissions, and confirming that the plurality of transmissions is received through the port associated with the UID.

    ISOLATION OF PROTECTIVE FUNCTIONS IN ELECTRICAL POWER SYSTEMS
    9.
    发明申请
    ISOLATION OF PROTECTIVE FUNCTIONS IN ELECTRICAL POWER SYSTEMS 有权

    公开(公告)号：US20210359508A1

    公开(公告)日：2021-11-18

    申请号：US16876268

    申请日：2020-05-18

    Applicant: Schweitzer Engineering Laboratories, Inc.

    Inventor： Lisa Gayle Nelms ,  Dean G. Stevens ,  Paul Stoaks

    IPC: H02H7/20 ,  H02H1/00 ,  G05B19/042

    Abstract: Systems, devices, and methods include protective functions in an electrical power system. For example, a processing subsystem may include a first processor and a second processor. The first processor and the second processor may operate independently. A memory subsystem may comprise a first memory section and a second memory section. A memory management subsystem may enable memory access between the first processor and the first memory section and disable memory access between the first processor and the second memory section. The memory management subsystem may further enable memory access between the second processor and the second memory section and disable memory access between the second processor and the first memory section. A protection subsystem may include the first processor and the first memory section and enable a protection function. The second processor and the second memory section may provide a second function that operates independently of the protection function.

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