Method for detection of leakage or fault currents from equipment in an electrical power system
US9322865B2 · kind B2 · utility
2Cited by
2References
26Claims
0Family size
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Key dates
| Filing date | Jun 7, 2011 |
| Grant date | Apr 26, 2016 |
| Priority date | — |
| Expiry date | May 11, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H3/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method of digital sampling of a current or group of currents in an electrical system including using in the sampling, sufficient bandwidth to reconstruct the amplitude and phase of a synthesized power frequency and its harmonics and a fundamental carrier frequency of switching electronics and modulation sidebands.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.