Input setting method for digital operational devices
US4347581A · kind A · utility
2Cited by
8References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 24, 1979 |
| Grant date | Aug 31, 1982 |
| Priority date | — |
| Expiry date | Sep 24, 1999 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02H3/006
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An input setting method for a protective relaying apparatus including an input setting switch for setting data, a digital operational device for carrying out a relaying operation utilizing the data, and a memory device for storing the data, the method comprising the steps of setting the data by the input setting switch, storing the data thus set in the memory device, comparing the set data with the stored data, carrying out the relaying operation utilizing the data when the compared data are found equal, and issuing an alarm signal when the compared data are found to be unequal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.