Effect of fault current limiter installed in customer system on suppression of fault current and voltage sag

We have investigated an effect of a fault current limiter (FCL) which is installed at an incoming feeder of a customer system having a synchronous generator in a utility distribution system. It was assumed that either of two types of FCL were installed, a resistive type (R-type) FCL and an inductive type (L-type) FCL. A fault current out of the customer system and a line voltage in the customer system were calculated following a three-phase short circuit fault occurrence. It was found that the range of the limiting impedance for the L-type FCL to suppress the fault current out of the customer system and the voltage sag in the customer system is larger than that for the R-type FCL.

[1]  K. Ibuki,et al.  Development of high voltage, self-healing current limiting element and verification of its operating parameters as a CLD for distribution substations , 1989 .

[2]  Goro Fujita,et al.  An influence of voltage sag duration on nonutility generator's shaft torque , 2000, 2000 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.00CH37077).

[3]  C. S. Chang,et al.  Designs synthesis of resonant fault current limiter for voltage sag mitigation and current limitation , 2000, 2000 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.00CH37077).

[4]  N. Engelman,et al.  Field test results for a multi-shot 12.47 kV fault current limiter , 1991 .

[5]  Shigeyuki Sugimoto,et al.  Thyristor controlled ground fault current limiting system for ungrounded power distribution systems , 1996 .

[6]  H Lee Willis,et al.  Understanding Electric Utilities and De-Regulation , 1998 .

[7]  J. Skindhoj,et al.  Novel medium voltage fault current limiter based on polymer PTC resistors , 1999 .

[8]  Takeshi Ohkuma,et al.  Design and test results of 6.6 kV high-Tc superconducting fault current limiter , 2001 .

[9]  O. Nakamura,et al.  400 V class high-speed current limiting circuit breaker for electric power system , 1994 .

[10]  Goro Fujita,et al.  An influence of voltage sag on nonutility generator shaft torque , 2000, 2000 Power Engineering Society Summer Meeting (Cat. No.00CH37134).

[11]  A. Sannino,et al.  Overview of voltage sag mitigation , 2000, 2000 IEEE Power Engineering Society Winter Meeting. Conference Proceedings (Cat. No.00CH37077).

[12]  M. M. Morcos,et al.  Coordinating Overcurrent Protection and Voltage Sag in Distributed Generation Systems , 2002, IEEE Power Engineering Review.

[13]  M. Okazaki,et al.  Development of a new multi-divided type of commutating elements for fault current limiters on distribution lines , 1991 .

[14]  Toshiro Matsumura,et al.  Proposal of flux flow resistance type fault current limiter using Bi2223 high T/sub c/ superconducting bulk , 2002 .