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unusual facts about Two-phase electric power


Two-phase electric power

Donald G. Fink and H. Wayne Beaty, Standard Handbook for Electrical Engineers, Eleventh Edition,McGraw-Hill, New York, 1978, ISBN 0-07-020974-X


Genova Piazza Principe railway station

On 15 May 1916, the station was electrified at 3,300 V AC three-phase at 15 Hz.

KTM Class 81

All Komuter EMUs operate in multiple-unit formation, running from overhead single-phase 25 kV AC 50 Hz catenary supply, with two driving cars and 1 - 3 trailer cars in between.

KTM Komuter

All Komuter EMUs operate in multiple-unit formation, running from overhead single-phase 25kV AC 50 Hz catenary supply, with two driving cars and 1 - 3 trailer cars in between.

Three-phase electric power

The three-phase system was independently invented by Galileo Ferraris, Mikhail Dolivo-Dobrovolsky and Nikola Tesla in the late 1880s.

UIC 568

This cable carries single-phase electric power at 1500 volts AC, 50 Hz (with the tracks as the ground connection), supplied from the locomotive, or in some cases a carriage with a generator.

UP Circuit

It also contains the acronyms of the three courses that comprise the EEE program on the magnetic field lines in a representation of a three-phase motor.


see also