Branch current monitor with calibration
US8421443B2 · kind B2 · utility
23Cited by
236References
12Claims
0Family size
Assignee
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Key dates
| Filing date | Nov 20, 2009 |
| Grant date | Apr 16, 2013 |
| Priority date | — |
| Expiry date | Sep 12, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R21/133
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A meter for measuring electric power consumed by a plurality of branch circuits includes interchangeable current transformers including respective transformer memories for storage of transformer characterization data and enables self-discovery of a phase shift induced by respective current transformers and the phase of current conducted by each branch circuit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.