Apparatus and method for power disturbance analysis by display of power quality information
US5825656A · kind A · utility
25Cited by
33References
1Claims
0Family size
Assignee
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Key dates
| Filing date | Aug 21, 1996 |
| Grant date | Oct 20, 1998 |
| Priority date | — |
| Expiry date | Aug 21, 2016 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01R31/42
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A power monitoring system with associated signal processing and storage capabilities. An input signal is sampled and the samples are used to derive total harmonic distortion, total power, and reactive power. Parameters of the input signal at a selected time are displayed as a vector superimposed on a three-axis graph having total power as one axis, reactive power as the second axis, and total harmonic distortion as the third axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.