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Utilization of Chip-Scale Atomic Clock for Synchrophasor Measurements
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DOI：10.1109/TPWRD.2016.2521318.png)
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Abstract
En 中文
Global positioning system (GPS)-based phasor measurement units (PMUs) are increasingly deployed in the power system in order to monitor the grid status in real time. Nevertheless, GPS receivers inside PMUs tend to lose signal lock when certain uncontrollable and unpredictable factors arise. To address this issue, the chip-scale atomic clock is proposed to be used as a backup solution for time synchronization in this paper. It is the first time ever reporting the utilization of CSAC in the electric power grid. Test results show that CSAC can work as a reliable and accurate backup for GPS timing.
Keywords:
Chip-scale atomic clock
global positioning system signal loss
phasor measurement unit
time synchronization
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