Determining electric grid topology via a zero crossing technique
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United States of America Patent
Stats
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Oct 17, 2017
Grant Date -
Sep 10, 2015
app pub date -
Dec 30, 2014
filing date -
Mar 10, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A node within a wireless mesh network is configured to record a zero crossing of alternating current or alternating voltage drawn by a single-phase power consumer and a precise timestamp when the zero crossing occurred, thereby generating timestamped zero crossing data. The node receives similar zero crossing data from a neighboring node. The node then compares the timestamped zero crossing data with the received zero crossing data to determine whether the phase associated with the node is equivalent to, leads, or lags the phase associated with the neighboring node. The node then acquires a positive phase identification associated with the neighboring node. Based on the phase identification, and based on the phase difference between the two nodes, the node infers the phase associated with the single-phase power consumer. That phase indicates the specific power line within a three-phase power distribution network to which the single-phase power consumer is coupled.
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Family
Country | kind | publication No. | Filing Date | Type | Sub-Type |
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- ITRON NETWORKED SOLUTIONS, INC.
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Flammer,, III George H | Cupertino, US | 28 | 223 |
# of filed Patents : 28 Total Citations : 223 | |||
Sum, Charles P | Cupertino, US | 9 | 245 |
# of filed Patents : 9 Total Citations : 245 |
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- 2 Citation Count
- H02J Class
- 20.50 % this patent is cited more than
- 8 Age
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