Error reduction of phasor measurement unit data considering practical constraints

Paroma Chatterjee, Anamitra Pal, James S. Thorp, Jaime de La Ree Lopez, Virgilio A. Centeno

Research output: Contribution to journalArticlepeer-review

14 Scopus citations


Wide area measurement system relies on phasor measurement unit (PMU) data to monitor, protect, and control highvoltage transmission networks. However, errors in instrument transformers (ITs) located at the inputs of a PMU can significantly degrade its output quality. This study proposes two methodologies for voltage and current transformers calibration using PMU data. The first method calibrates ITs using one good quality voltage measurement located at a tie-line. This method tolerates errors in both the ITs (which are to be estimated) as well as the PMUs. The second method attains the same objective as the first one, with the additional constraint that some portion of the data is unusable. Thus, the second method can be used even when the incoming data is intermittent.

Original languageEnglish (US)
Pages (from-to)2332-2339
Number of pages8
JournalIET Generation, Transmission and Distribution
Issue number10
StatePublished - May 29 2018

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering


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