Difference between contact line for sections for 130 km/h service and those for 100 km/h top speed is pointed out.
Overhead equipment of Portuguese electric railroad, single phase, 50 cycle, described
Die Fahrleitungsanlage der mit Einphasen-Wechselstrom 50 Hz, 25 kV elektrifizierten Strecken der Companhia dos Caminhos de Ferro Portugueses
Glasers Annalen ; 83 , n 5
1959
6 pages
Aufsatz (Zeitschrift)
Deutsch
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