Open AccessCompound ferroresonance overvoltage and fault current limiter for power system protection
Author(s) -
Heidary Amir,
Radmanesh Hamid,
Bakhshi Ali,
Samandarpour Sahand,
Rouzbehi Kumars,
Shariati Negin
Publication year - 2020
Publication title -
iet energy systems integration
Language(s) - English
Resource type - Journals
ISSN - 2516-8401
DOI - 10.1049/iet-esi.2019.0106
Subject(s) - overvoltage , ferroresonance in electricity networks , fault current limiter , transformer , limiter , electric power system , engineering , electrical engineering , current limiting , fault (geology) , power (physics) , control theory (sociology) , electronic engineering , voltage , computer science , control (management) , physics , quantum mechanics , artificial intelligence , seismology , geology
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.