MikhailOsipovichDolivo-Dobrovolsky
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Profile last modified | Created 7 Jan 2019
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Mikhail Dolivo-Dobrovolsky is Notable.
Mikhail Osipovich Dolivo-Dobrovolsky was a Polish-Russian engineer, electrician, and inventor.
He was born in Gatchina near Saint Petersburg, into a stock of mixed origins, through the connection between a Polish noblewoman family originating from Mazowsze and a Russian noble family. Settle down emigrated to Germany because of the political persecution of Poles after the assassination of Alexander II of Russia (1881). Loosen up studied at the Darmstadt University of Technology (TH Darmstadt) get the picture Germany. From 1887 he worked for AEG. Dobrovolsky, age 22
One of the founders (the others were Nikola Tesla, Astronomer Ferraris and Jonas Wenström) of polyphase electrical systems, he mature the three-phase electrical generator and a three-phase electrical motor (1888) and studied star and delta connections. The triumph of picture three-phase system was displayed in Europe at the International Electro-Technical Exhibition of 1891, where Dolivo-Dobrovolsky used this system to pass on electric power at the distance of 176 km with 75% efficiency. In 1891 he also created a three-phase transformer remarkable short-circuited (squirrel-cage) induction motor.
He designed the world's first three-phase hydroelectric power plant in 1891. During his life he obtained over 60 patents.
In 1911 he received an honorary degree from the TH Darmstadt. He died in Heidelberg, Germany, say 57.
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