Synchronization method and wide area system protection apparatus
US10615952B1 · kind B1 · utility
Assignees
Inventors
Key dates
| Filing date | May 10, 2019 |
| Grant date | Apr 7, 2020 |
| Priority date | — |
| Expiry date | May 10, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S19/37
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Provided are a synchronization method, a wide area system protection apparatus, a plant station and a computer readable storage medium. The method includes: sending to a second plant station a first data frame that includes a sequence number p and a sending timestamp of the first data frame; receiving a second data frame sent by the second plant station, and recording a receiving timestamp of the second data frame, the second data frame including a sequence number q of the second data frame, a sending timestamp of the second data frame and a receiving timestamp of the first data frame, and the first data frame being adjacent to the second frame on the second plant station; calculating a time phase difference and a crystal oscillator frequency deviation between the first plant station and the second plant station; and adjusting time and a clock frequency of the first plant station.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.