@article{Kaniewski:2014,
  author  = "J. Kaniewski and Z. Fedyczak and G. Benysek",
  title   = "AC voltage sag/swell compensator based on three-phase hybrid transformer with buck-boost matrix-reactance chopper",
  journal = "IEEE Transactions on Industrial Electronics",
  volume  = "Vol. 61",
  number  = "no. 8",
  pages   = "3835--3846",
  year    = "2014",
}