Download or read book Directives Concerning the Protection of Telecommunication Lines Against Harmful Effects from Electric Power and Electrified Railway Lines: Design, construction and operational principles of telecommunication, power and electrified railway facilities written by International Telegraph and Telephone Consultative Committee and published by . This book was released on 1989 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: Functions of power networks / three-phase systems / networks protection and arrangements affecting disturbance phenomena / electric traction installations / power feed sub-stations / traction motors / telecommunications line transmission systems / disturbing phenomena / effects of coupling.