غاليليو فيراري: الفرق بين النسختين

'''غاليليو فيراري''' (31 أكتوبر 1847 – 7 فبراير 1897) [[فيزيائي]] و[[هندسة كهربائية|مهندس كهربائي]] إيطالي، وأحد رواد البحث والاختراع في مجال أنظمة [[قدرة التيار المتردد]] ومخترع {{ال|محرك|حثي}}.<ref>Alternating currents of electricity: their generation, measurement, distribution, and application by Gisbert Kapp, [[ويليام ستانلي جونيور|William Stanley, Jr]]. Johnston, 1893. p. 140. [cf., This direction has been first indicated by Professor Galileo Ferraris, of Turin, some six years ago. Quite independent of Ferraris, the same discovery was also made by [[نيكولا تسلا|Nikola Tesla]], of New York; and since the practical importance of the discovery has been recognized, quite a host of original discoverers have come forward, each claiming to be the first.]</ref><ref>Larned, J. N., & Reiley, A. C. (1901). History for ready reference: From the best historians, biographers, and specialists; their own words in a complete system of history. Springfield, Mass: The C.A. Nichols Co.. [https://books.google.com/books?id=fRSOIHe7gyIC&pg=PA440 p. 440]. [cf., At about the same time [1888], Galileo Ferraris, in Italy, and Nikola Tesla, in the United States, brought out motors operating by systems of alternating currents displaced from one another in phase by definite amounts and producing what is known as the rotating magnetic field.] {{Webarchive|url=https://web.archive.org/web/20140627165645/http://books.google.com/books?id=fRSOIHe7gyIC&pg=PA440 |date=27 يونيو 2014}}</ref><ref>The Electrical engineer. (1888). London: Biggs & Co. p., 239. [cf., "[...] new application of the alternating current in the production of rotary motion was made known almost simultaneously by two experimenters, Nikola Tesla and Galileo Ferraris, and the subject has attracted general attention from the fact that no commutator or connection of any kind with the armature was required."]</ref><ref>{{استشهاد بكتاب|مؤلف=Nichols, E. L.|وصلة مؤلف=|سنة=1897|عنوان=Physical Review|المجلد=4|chapter=NOTE. ''Galileo Ferraris''|صفحات=505–506|مسار= https://books.google.com/books?id=rR_OAAAAMAAJ&pg=PA505|مسار أرشيف= https://web.archive.org/web/20200216070041/https://books.google.com/books?id=rR_OAAAAMAAJ&pg=PA505|تاريخ أرشيف=2020-02-16}}</ref> اعتبرت بعض الصحف أن اختراع فيراري للمحرك الحثي وأنظمة نقل الطاقة يعدان أحد أعظم الاختراعات على مر العصور. نشر فيراري دراسة واسعة وكاملة حول النتائج التجريبية التي تم الحصول عليها باستخدام محولات الدوائر المفتوحة من النوع الذي صممه [[هندسة أنظمة الطاقة|مهندسا الطاقة]] [[لوسيان غولار]] و[[جون ديكسون غيبز]].

 

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{{تصنيف كومنز|Galileo Ferraris}}