Estimation of geoelectric field for validating geomagnetic disturbance modeling

Maryam Kazerooni, Hao Zhu, Komal Shetye, Thomas J. Overbye

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

Geomagnetic induced currents (GICs) cause half cycle saturation of transformers and consequently increase the harmonic currents and reactive power in the grid. This paper focuses on the GIC modeling as an important geomagnetic disturbance (GMD) mitigation program. A linear model is presented which relates the transformer GICs to the geoelectric fields based on power network topology and conductances. Using the transformer GIC measurements, three effective techniques are proposed for estimating geoelectric fields, namely the Least-squares (LS) estimator, the Ridge Regression (RR) Estimator and the Lease Absolute Value (LAV) one. The effectiveness of the three estimators under various noise scenarios is validated for a small systems and a larger test case through simulation results.

Original languageEnglish (US)
Title of host publication2013 IEEE Power and Energy Conference at Illinois, PECI 2013
Pages218-224
Number of pages7
DOIs
StatePublished - 2013
Event2013 IEEE Power and Energy Conference at Illinois, PECI 2013 - Champaign, IL, United States
Duration: Feb 22 2013Feb 23 2013

Other

Other2013 IEEE Power and Energy Conference at Illinois, PECI 2013
CountryUnited States
CityChampaign, IL
Period2/22/132/23/13

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ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Fuel Technology

Cite this

Kazerooni, M., Zhu, H., Shetye, K., & Overbye, T. J. (2013). Estimation of geoelectric field for validating geomagnetic disturbance modeling. In 2013 IEEE Power and Energy Conference at Illinois, PECI 2013 (pp. 218-224). [6506061] https://doi.org/10.1109/PECI.2013.6506061