Mikhail Osipovich Dolivo-Dobrovolsky (Russian: Михаил Осипович Доливо-Добровольский; German: Michail von Dolivo-Dobrowolsky or Michail Ossipowitsch Doliwo-Dobrowolski; Polish: Michał Doliwo-Dobrowolski; January 2 [O.S. December 21, 1861] 1862 in Gatchina near Saint Petersburg — November 15 [O.S. November 3] 1919 in Heidelberg, Germany), was a Russian engineer, electrician, and inventor. Born in a mixed family between a Polish noble family origina...
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Mikhail Osipovich Dolivo-Dobrovolsky (Russian: Михаил Осипович Доливо-Добровольский; German: Michail von Dolivo-Dobrowolsky or Michail Ossipowitsch Doliwo-Dobrowolski; Polish: Michał Doliwo-Dobrowolski; January 2 [O.S. December 21, 1861] 1862 in Gatchina near Saint Petersburg — November 15 [O.S. November 3] 1919 in Heidelberg, Germany), was a Russian engineer, electrician, and inventor. Born in a mixed family between a Polish noble family originating from Mazowsze, and a Russian noble family. Emigrated to Germany due to political persecution after the assassination of Alexander II of Russia (1881). He studied at the Darmstadt University of Technology (TH Darmstadt) in Germany. From 1887 he worked for AEG.
One of the founders (the other one was Tesla) of three-phase systems. He developed the three-phase electrical generator and a three-phase electrical motor (1888) and studied star and delta connections. The triumph of the three-phase system was displayed in Europe at the International...
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