Optimal allocation of HTS-FCL for power system security and stability enhancement

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This paper presents a new problem formulation for allocation of high-temperature superconducting fault current limiter (HTS-FCL) in power systems for security and stability enhancement. A dynamic current-dependent model for HTS-FCL is developed using PSCAD/ETMDC. The proposed formulation includes three functions related to security, voltage stability, and rotor angle stability which represent key features of deploying the HTS-FCL. The three functions were combined into a multi-objective function, and the problem is formulated as a mixed-integer nonlinear programming (MINLP) problem and optimal FCL locations are determined using particle swarm optimization. The optimal FCL locations for the New-England 39-bus system are determined, and the system transient performance is validated using MATLAB and PSCAD. The simulation results demonstrate the effectiveness of proposed approach for achieving optimal performance of HTS-FCL in power system in terms of security and system stability.

Original languageBritish English
Pages (from-to)4701-4711
Number of pages11
JournalIEEE Transactions on Power Systems
Issue number4
StatePublished - 2013


  • Angular stability
  • High-temperature superconducting fault current limiter (HTS-FCL)
  • Multimachine system
  • Particle swarm optimization (PSO)
  • Voltage recovery


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