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An analysis of superconducting fault current limiter for stabilization of synchronous generators in multimachine system: A two‐machine infinite bus system
Authors:Masaki Yagami  Shinsuke Shibata  Toshiaki Murata  Junji Tamura
Abstract:This paper presents the results of analyses of the effectiveness of a superconducting fault current limiter (SFCL) to stabilize the synchronous generators, suppress turbine shaft torque oscillations, and limit the fault current in a two‐machine infinite bus system. In this study, the system model with two SFCLs having shunt resistance installed at each generator terminal was used taking 3LG (three lines to ground) fault at 12 fault points into account. These analyses were performed using EMTP/ATP. It is found that the use of SFCL with a shunt resistance value of 1.1 pu is most effective for all fault points for the stabilization of synchronous generators, the suppression of turbine shaft torque oscillations, and the limitation of fault current. © 2004 Wiley Periodicals, Inc. Electr Eng Jpn, 148(3): 44–53, 2004; Published online in Wiley InterScience ( www.interscience.wiley.com ). DOI 10.1002/eej.10272
Keywords:superconducting fault current limiter  synchronous generator  shunt resistance  turbine shaft torque  fault current  EMTP
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