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Method for distributed waveform recording in a power distribution system
US9523972B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9523972-B2 |
| Application number | US-201314142196-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 27, 2013 |
| Priority date | Jun 30, 2011 |
| Publication date | Dec 20, 2016 |
| Grant date | Dec 20, 2016 |
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Abstract
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An exemplary method and apparatus are directed to distributed waveform recording for fault monitoring and analysis of a fault condition in a power distribution system. One or more instrument transformers along with merging units and a plurality of Intelligent Electronic Devices (IEDs) distributed in a plurality of hierarchical levels. The distributed waveform recording corresponds to a fault event at different levels in the power distribution system data is carried out by at least two devices configured to detect an event for recording and perform waveform recording. The data used for waveform recording and the data for detection of the event are based on a single stream of the sampled measured value data and are thereby are time synchronized.
First claim
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What is claimed is: 1. A distributed waveform recording method for event monitoring in a power distribution system, wherein the power distribution system includes a plurality of devices communicatively connected in a plurality of hierarchical levels within the power distribution system, the plurality of devices including a plurality of instrument transformers along with merging units deployed as process level devices connected on a process bus within the plurality of hierarchical l…
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- What does patent US9523972B2 cover?
- An exemplary method and apparatus are directed to distributed waveform recording for fault monitoring and analysis of a fault condition in a power distribution system. One or more instrument transformers along with merging units and a plurality of Intelligent Electronic Devices (IEDs) distributed in a plurality of hierarchical levels. The distributed waveform recording corresponds to a fault ev…
- Who is the assignee on this patent?
- Abb Research Ltd, Abb Schweiz Ag
- What technology area does this patent fall under?
- Primary CPC classification G05B15/02. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Dec 20 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).