Marcel Deprez

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Marcel Deprez (December 12, 1843 - October 13, 1918) was a French electrical engineer. He was born in Chatillon-sur-Loing. He died in Vincennes.

At Creil, from 1876 to 1886, Deprez conducted the first experiments to transmit electrical power over long distances. At the International Exposition of Electricity, Paris in 1881, Deprez undertook the task of presenting an electricity distribution system based on the long-distance transport of direct current. The first successful attempt take place 1882 from Miesbach to Munich at occasion of the Exposition of Electricity in the Glaspalast, organised by Oskar von Miller.

Deprez conducted experiments in La Chapelle, Grenoble, Vizille, Paris, and Creil. Deprez eventually attained transmission that were over thirty-five miles for industrial purposes.