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公开(公告)号：US11973680B2
公开(公告)日：2024-04-30
申请号：US18166670
申请日：2023-02-09
发明人： Derek Lautenschlager , Arun Shrestha , Nishchal Sharma , Vinodev E. Rajasekaran , Karthi Sellakkannu , Sajal Harmukh
IPC分类号： H04L43/16 , H04L43/0823 , H04L43/0829 , H04L43/0852
CPC分类号： H04L43/16 , H04L43/0829 , H04L43/0847 , H04L43/0852
摘要： Systems and methods described herein monitor real-time digital data for degradation. A merging unit may measure electrical parameters in an electric power system using a sensor component and may generate a stream of digital data representing measured electrical parameters. The merging unit may transmit the stream of digital data representing measured electrical parameters and receive a plurality of data frames using an interface. A digital data degradation detection subsystem may analyze a plurality of digital metrics associated with the plurality of data frames and make a determination of whether a subset of the plurality of data frames satisfies the plurality of digital metrics, and the subset of the plurality of data frames fails at least one of the plurality of digital metrics. The merging unit may implement a response when the subset of the plurality of data frames fails at least one of the plurality of digital metrics.
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2.发明申请公开(公告)号：US20220239089A1
公开(公告)日：2022-07-28
申请号：US17456936
申请日：2021-11-30
发明人： Lisa Gayle Nelms , Tony J. Lee , Bryon S. Bridges , Derek Lautenschlager , Guillermo Ramirez Conejo , Stephanie L. McDaid , Nishchal Sharma , Bharat Nalla , Vinodev E. Rajasekaran
摘要： Disclosed herein is a system for time aligning electric power system measurements at an intelligent electronic device (IED) using samples and sample time offset from merging units. The merging units do not require access to a common time signal. The IED does not require storage of a communication latency with the merging units. The sample time offset corresponds to a latency between obtaining the sample and receipt of the sample at the IED. The IED aligns samples from various merging units using sample time offset values communicated from the merging units to the IED. The IED performs monitoring and protection functions using the time aligned samples.
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3.发明授权公开(公告)号：US11949222B2
公开(公告)日：2024-04-02
申请号：US17456936
申请日：2021-11-30
发明人： Lisa Gayle Nelms , Tony J. Lee , Bryon S. Bridges , Derek Lautenschlager , Guillermo Ramirez Conejo , Stephanie L. McDaid , Nishchal Sharma , Bharat Nalla , Vinodev E. Rajasekaran
CPC分类号： H02H1/0061 , H02H3/05 , H02H3/16 , H02J13/0004 , G01R31/085
摘要： Disclosed herein is a system for time aligning electric power system measurements at an intelligent electronic device (IED) using samples and sample time offset from merging units. The merging units do not require access to a common time signal. The IED does not require storage of a communication latency with the merging units. The sample time offset corresponds to a latency between obtaining the sample and receipt of the sample at the IED. The IED aligns samples from various merging units using sample time offset values communicated from the merging units to the IED. The IED performs monitoring and protection functions using the time aligned samples.
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公开(公告)号：US20230179505A1
公开(公告)日：2023-06-08
申请号：US18166670
申请日：2023-02-09
发明人： Derek Lautenschlager , Arun Shrestha , Nishchal Sharma , Vinodev E. Rajasekaran , Karthi Sellakkannu , Sajal Harmukh
IPC分类号： H04L43/16 , H04L43/0823 , H04L43/0852 , H04L43/0829
CPC分类号： H04L43/16 , H04L43/0829 , H04L43/0847 , H04L43/0852
摘要： Systems and methods described herein monitor real-time digital data for degradation. A merging unit may measure electrical parameters in an electric power system using a sensor component and may generate a stream of digital data representing measured electrical parameters. The merging unit may transmit the stream of digital data representing measured electrical parameters and receive a plurality of data frames using an interface. A digital data degradation detection subsystem may analyze a plurality of digital metrics associated with the plurality of data frames and make a determination of whether a subset of the plurality of data frames satisfies the plurality of digital metrics, and the subset of the plurality of data frames fails at least one of the plurality of digital metrics. The merging unit may implement a response when the subset of the plurality of data frames fails at least one of the plurality of digital metrics.
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