Evaluation of Simulation Methods for Analysis of Geomagnetic Disturbance System Impacts

Geomagnetic Disturbance (GMD) impacts a power system by causing the circulation of quasi-dc Geomagnetically-induced Currents (GICs) in transmission lines and high-voltage transformer windings leading to transformer saturation, increased reactive power losses, and voltage regulation problems. Utility...

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Bibliographic Details
Published in:IEEE transactions on power delivery 2021-06, Vol.36 (3), p.1509-1516
Main Authors: Haddadi, Aboutaleb, Hassani, Reza, Mahseredjian, Jean, Gerin-Lajoie, Luc, Rezaei-Zare, Afshin
Format: Article
Language:English
Subjects:
Circuit faults
Coils (windings)
Electric power systems
Electromagnetic transient
Evaluation
Flow stability
geomagnetic disturbance
geomagnetically induced current
Geomagnetism
Load modeling
Load-Flow
Magnetization
power system modeling
power system simulation
Power system stability
Reactive power
Stability analysis
System reliability
Transient stability
Transmission lines
Voltage control
Voltage transformers
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Summary:Geomagnetic Disturbance (GMD) impacts a power system by causing the circulation of quasi-dc Geomagnetically-induced Currents (GICs) in transmission lines and high-voltage transformer windings leading to transformer saturation, increased reactive power losses, and voltage regulation problems. Utility planners use various analysis methods and simulation tools to analyze GMD system impacts. These techniques can be broadly categorized into load-flow-based (LF), transient stability type (TS), and electromagnetic transient type (EMT) methods. These methods are based on different modeling assumptions and solution techniques. There is a need for evaluation of these assumptions and cross-examination of results to ensure their accuracy. Such an evaluation is essential to ensure that planners performing required GMD vulnerability assessments have confidence in the results. This paper evaluates the LF, TS, and EMT methods through cross-examination of their results. The objective is to identify their limitations, assess the consistency of their results, and provide assumptions on their use for analysis of GMD system impacts. The study is conducted in consistence with the North American Electric Reliability Corporation (NERC) GMD guidelines and standards.
ISSN:0885-8977
1937-4208
DOI:10.1109/TPWRD.2020.3010195