Branch circuit monitor power measurement
US9335352B2 · kind B2 · utility
15Cited by
238References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 4, 2010 |
| Grant date | May 10, 2016 |
| Priority date | — |
| Expiry date | May 13, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R21/133
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
In a digital branch circuit monitor, compensation for the phase error is accomplished by selecting a voltage sampled at a time temporally offset from the sampling time of the current by an interval quantifying the phase shift of the secondary current relative to the primary current that is characteristic of a current transformer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.