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