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1 sparking at the commutator
искрение на коллекторе
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[Я.Н.Лугинский, М.С.Фези-Жилинская, Ю.С.Кабиров. Англо-русский словарь по электротехнике и электроэнергетике, Москва, 1999 г.]Тематики
- электротехника, основные понятия
EN
Англо-русский словарь нормативно-технической терминологии > sparking at the commutator
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2 sparking at the commutator
Англо-русский технический словарь > sparking at the commutator
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3 sparking at the commutator
Техника: искрение на коллектореУниверсальный англо-русский словарь > sparking at the commutator
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4 sparking in the commutator
Макаров: искрение на коллектореУниверсальный англо-русский словарь > sparking in the commutator
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5 sparking at the commutator
Англо-русский словарь по электроэнергетике > sparking at the commutator
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6 sparking at the commutator
Англо-русский словарь по машиностроению > sparking at the commutator
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7 commutator
1) коммутатор
2) коммутаторный
3) коммутантный
4) переключатель
– commutator ammeter
– commutator bar
– commutator bar is high
– commutator lug
– commutator machine
– commutator micanite
– commutator motor
– commutator pitch
– commutator riser
– commutator segment
– commutator shell
– controlled-rectifier commutator
– electronic commutator
– extended commutator
– mechanical commutator
– operations commutator
– sparking at the commutator
– telemetry commutator
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8 commutator sparking
искрение на коллекторе
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[Я.Н.Лугинский, М.С.Фези-Жилинская, Ю.С.Кабиров. Англо-русский словарь по электротехнике и электроэнергетике, Москва, 1999 г.]Тематики
- электротехника, основные понятия
EN
Англо-русский словарь нормативно-технической терминологии > commutator sparking
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9 sparking
искрение; искрообразование; искровые разряды; зажигание; II искрящий; пробивной- sparking rate - sparking voltage - heavy sparking -
10 sparking
1) искрение
2) искрящий
3) искрообразование
4) пробивной ∙ sparking at the commutator ≈ искрение на коллекторе there is sparking at the contact ≈ контакт искрит - brush sparking - heavy sparking - sparking voltage (электротехника) искрение;
искрообразование (электротехника) искровые разряды (автомобильное) зажиганиеБольшой англо-русский и русско-английский словарь > sparking
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11 sparking
1) искрение
2) искрящий
3) искрообразование
4) пробивной
– brush sparking
– heavy sparking
– sparking at the commutator
– sparking voltage
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12 sparking
1) искрение; искрообразование || искрящий2) метал. брызги металла -
13 sparking
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14 Tesla, Nikola
SUBJECT AREA: Electricity[br]b. 9 July 1856 Smiljan, Croatiad. 7 January 1943 New York, USA[br]Serbian (naturalized American) engineer and inventor of polyphase electrical power systems.[br]While at the technical institute in Graz, Austria, Tesla's attention was drawn to the desirability of constructing a motor without a commutator. He considered the sparking between the commutator and brushes of the Gramme machine when run as a motor a serious defect. In 1881 he went to Budapest to work on the telegraph system and while there conceived the principle of the rotating magnetic field, upon which all polyphase induction motors are based. In 1882 Tesla moved to Paris and joined the Continental Edison Company. After building a prototype of his motor he emigrated to the United States in 1884, becoming an American citizen in 1889. He left Edison and founded an independent concern, the Tesla Electric Company, to develop his inventions.The importance of Tesla's first patents, granted in 1888 for alternating-current machines, cannot be over-emphasized. They covered a complete polyphase system including an alternator and induction motor. Other patents included the polyphase transformer, synchronous motor and the star connection of three-phase machines. These were to become the basis of the whole of the modern electric power industry. The Westinghouse company purchased the patents and marketed Tesla motors, obtaining in 1893 the contract for the Niagara Falls two-phase alternators driven by 5,000 hp (3,700 kW) water turbines.After a short period with Westinghouse, Tesla resigned to continue his research into high-frequency and high-voltage phenomena using the Tesla coil, an air-cored transformer. He lectured in America and Europe on his high-frequency devices, enjoying a considerable international reputation. The name "tesla" has been given to the SI unit of magnetic-flux density. The induction motor became one of the greatest advances in the industrial application of electricity. A claim for priority of invention of the induction motor was made by protagonists of Galileo Ferraris (1847–1897), whose discovery of rotating magnetic fields produced by alternating currents was made independently of Tesla's. Ferraris demonstrated the phenomenon but neglected its exploitation to produce a practical motor. Tesla himself failed to reap more than a small return on his work and later became more interested in scientific achievement than commercial success, with his patents being infringed on a wide scale.[br]Principal Honours and DistinctionsAmerican Institute of Electrical Engineers Edison Medal 1917. Tesla received doctorates from fourteen universities.Bibliography1 May 1888, American patent no. 381,968 (initial patent for the three-phase induction motor).1956, Nikola Tesla, 1856–1943, Lectures, Patents, Articles, ed. L.I.Anderson, Belgrade (selected works, in English).1977, My Inventions, repub. Zagreb (autobiography).Further ReadingM.Cheney, 1981, Tesla: Man Out of Time, New Jersey (a full biography). C.Mackechnie Jarvis, 1969, in IEE Electronics and Power 15:436–40 (a brief treatment).T.C.Martin, 1894, The Inventions, Researches and Writings of Nikola Tesla, New York (covers his early work on polyphase systems).GW -
15 Thomson, Elihu
SUBJECT AREA: Electricity[br]b. 29 March 1853 Manchester, Englandd. 13 March 1937 Swampscott, Massachusetts, USA[br]English (naturalized) American electrical engineer and inventor.[br]Thomson accompanied his parents to Philadelphia in 1858; he received his education at the Central High School there, and afterwards remained as a teacher of chemistry. At this time he constructed several dynamos after studying their design, and was invited by the Franklin Institute to give lectures on the subject. After observing an arc-lighting system operating commercially in Paris in 1878, he collaborated with Edwin J. Houston, a senior colleague at the Central High School, in working out the details of such a system. An automatic regulating device was designed which, by altering the position of the brushes on the dynamo commutator, maintained a constant current irrespective of the number of lamps in use. To overcome the problem of commutation at the high voltages necessary to operate up to forty arc lamps in a series circuit, Thomson contrived a centrifugal blower which suppressed sparking. The resulting system was efficient and reliable with low operating costs. Thomson's invention of the motor meter in 1882 was the first of many such instruments for the measurement of electrical energy. In 1886 he invented electric resistance welding using low-voltage alternating current derived from a transformer of his own design. Thomson's work is recorded in his technical papers and in the 700plus patents granted for his inventions.The American Electric Company, founded to exploit the Thomson patents, later became the Thomson-Houston Company, which was destined to be a leader in the electrical manufacturing industry. They entered the field of electric power in 1887, supplying railway equipment and becoming a major innovator of electric railways. Thomson-Houston and Edison General Electric were consolidated to form General Electric in 1892. Thomson remained associated with this company throughout his career.[br]Principal Honours and DistinctionsChevalier and Officier de la Légion d'honneur 1889. American Academy of Arts and Sciences Rumford Medal 1901. American Institute of Electrical Engineers Edison Medal 1909. Royal Society Hughes Medal 1916. Institution of Electrical Engineers Kelvin Medal 1923, Faraday Medal 1927.Bibliography1934, "Some highlights of electrical history", Electrical Engineering 53:758–67 (autobiography).Further ReadingD.O.Woodbury, 1944, Beloved Scientist, New York (a full biography). H.C.Passer, 1953, The Electrical Manufacturers: 1875–1900, Cambridge, Mass, (describes Thomson's industrial contribution).K.T.Compton, 1940, Biographical Memoirs of Elihu Thomson, Washington, DCovides an abridged list of Thomson's papers and patents).GW
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