The amended standard C37.118.1a and its implications for frequency-tracking M-class phasor measurement units (PMUs)

Roscoe, Andrew and Dickerson, Bill and Martin, Kenneth (2014) The amended standard C37.118.1a and its implications for frequency-tracking M-class phasor measurement units (PMUs). In: IEEE Applied Measurements for Power Systems (AMPS 2014), 2014-09-24 - 2014-09-26. (https://doi.org/10.1109/AMPS.2014.6947702)

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Abstract

The new amendment to the Phasor Measurement Unit (PMU) standard C37.118.1a makes several significant changes, compared to the standard C37.118.1 (2011). This paper highlights some of the most important changes, with a particular emphasis applied to how those changes relate to the way that a frequency-tracking PMU (Phasor Measurement Unit) algorithm needs to be designed. In particular, there is a delicate trade-off between passband flatness (the bandwidth test) and stopband rejection in the Out-Of-Band (OOB) test. For a PMU algorithm using frequency-tracking and adaptive filters, it is shown that passband flatness can be relaxed to about 2.5dB, but that the stopband needs to begin up to 14.8% closer to 0 Hz than for a fixed-filter PMU. This is partly due to the exact procedures of the C37.118.1a “OOB” testing, and partly due to the adaptive nature of a frequency-tracking PMU filter section.

ORCID iDs

Roscoe, Andrew ORCID: https://orcid.org/0000-0003-1108-4265

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• Item metadata

  Item type:	Conference or Workshop Item(Paper)
  ID code:	50178
  Dates:	Date Event 24 September 2014 Published
  Notes:	This is a postprint of a paper submitted to and presented at the IEEE International workshop on Applied Measurements for Power Systems (AMPS), 2014 [http://dx.doi.org/10.1109/AMPS.2014.6947702], and is subject to IEEE copyright
  Subjects:	Technology > Electrical engineering. Electronics Nuclear engineering
  Department:	Faculty of Engineering > Electronic and Electrical Engineering
  Depositing user:	Pure Administrator
  Date deposited:	07 Nov 2014 10:45
  Last modified:	11 Nov 2024 16:41
  Related URLs:	http://ieeexplore.ieee.org/xpl/articleDe...
  URI:	https://strathprints.strath.ac.uk/id/eprint/50178