Compound ferroresonance overvoltage and fault current limiter for power system protection

Journal article (2020)

Authors

Amir Heidary Islamic Azad University, Zanjan Branch
Hamid Radmanesh Islamic Azad University, Zanjan Branch
Ali Bakhshi Islamic Azad University, Zanjan Branch
Sahand Samandarpour Islamic Azad University, Zanjan Branch
Kumars Rouzbehi Shahid Sattari Aeronautical University of Science and Technology
Negin Shariati University of Technology Sydney
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Published Date

2020

Language

English

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Abstract

Power systems are subjected to various types of faults as well as ferroresonance overvoltages. These results in the interruption of the normal operation of the power grid, failure of equipment, electrical fires, etc. To tackle these issues, this study proposes a dual function limiter to control the fault current and ferroresonance phenomenon in power systems. This compound device is a solid-state series transformer-based limiter that includes IGBT switches, capacitors, rectifiers, and a DC reactor. During the grid normal operation, the proposed limiter is not active and therefore is invisible and it operates in the instant of fault inception or ferroresonance overvoltage occurrences. Analytical studies in all operation modes are presented and assessments on the performance of the proposed ferroresonance and fault current limiter (FFCL) are conducted in Matlab. Simulation results confirm the reported analytical studies and FFCL's performance.