| 摘要 |
A phase identification system for identifying the phase of an extra-high- voltage or low-voltage power distribution line is disclosed. The phase identification system compares a reference phase of a transformer substation with a phase of a power distribution line remote from the transformer substation and identifies the phase. The phase identification system includes a reference unit capturing the reference phase from the transformer substation and transmitting the reference phase to a service server, the service server storing the reference phase received from the reference unit for 30 to 60 minutes and externally transmitting the reference phase via a network, the network providing a data communication path between the service server and a local unit, and the local unit capturing the phase from the power distribution line, receiving the reference phase from the service server, and identifying the phase captured from the power distribution line.
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