• J. Casazza and F. Delea, (2003) Understanding Electric Power Systems Ed. IEEE Press, Piscataway
  • Weedy, B M; B J Cory,; N. Jenkins; J B Ekanayake; G. Strbac (2012) Electric Power Systems Ed. John Wiley & Sons, 5th ed. Croydon, p 489. (ISBN: 9780470682685)
  • H. Lee Willis; Walter G. Scott (2000) Distributed Power Generation - Planning and Evaluation Taylor and Francis Group ed. CRC Press, p.597 (ISBN 0-8247-0336-7)
  • Leonard L. Grigsby (Ed.) (2007) Electric Power Generation, Transmission, and Distribution Taylor and Francis Group ed. CRC Press (ISBN: 0-8493-9292-6)
  • J. P. Sucena Paiva (2005) Redes de Energia Eléctrica. Uma análise sistémica IST Press, p.790 (ISBN: 978-972-8469-66-5)