What are some of the standard protocols used for phasor data transfer?
The latest PMU/PDC protocol is the IEEE C37.118 that was developed in the last few years and approved late 2005. It will replace the IEEE 1344 synchrophasor protocol which has been in use as the PMU standard since its development in 1998. Before these standards were developed, the defacto standard for PMU to PDC communication has been the Macrodyne type 1 and type 2 protocols developed by Macrodyne Corporation. Some of the PDC to PDC protocols include the PDC data exchange format, the PDC stream, second level PDC using NTP time and the PDC stream, second level PDC using native time. These standards address issues like synchronization of data sampling, data to phasor conversions, and formats for timing input and phasor data output.
