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Title: THE USE OF SEMICONDUCTOR MATERIALS IN THE CONSTRUCTION OF MODERN EQUIPMENT FOR ADJUSTABLE DRIVE OF POWER EQUIPMENT FROM A LIGNITE OPEN PIT
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THE USE OF SEMICONDUCTOR MATERIALS IN THE CONSTRUCTION OF MODERN EQUIPMENT FOR ADJUSTABLE DRIVE OF POWER EQUIPMENT FROM A LIGNITE OPEN PIT
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1314-2704
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English
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18
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2.1
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In modern electric drive systems, regardless of the speed control method used, the asynchronous motor power supply tends to be generally made from static frequency converters that can change the amplitude and frequency of the supply voltage.
In order to achieve the static converters in which semiconductor materials are used, the latest generation technologies are used. For Silicon Quality Control in industrial processes CryoSAS (Cryogenic Silicon Analysis System) or SiBrickScan (SBS) Silicon Ingot Analyzer are used. The use of diode rectifiers for supplying inverters has as a major negative consequence the increase of "harmonic pollution". The energy system can function properly in the presence of a limited amount of harmonics. The presence of harmonics in the power supply system can generate a wide range of unwanted effects. For example, harmonics can cause signal interference, overvoltage, loss of data in data transmission lines. Harmonics can also cause overheating, inadequate operation, or even electrical equipment failure. The paper explores the effect of the use of electric drives with static converters on the quality of electric power. A series of measurements are made using a Hioki 3197 type equipment. Following the study, there are proposed measures to improve the quality of electricity and reduce energy losses. |
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conference
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18th International Multidisciplinary Scientific GeoConference SGEM 2018
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18th International Multidisciplinary Scientific GeoConference SGEM 2018, 02-08 July, 2018
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Proceedings Paper
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STEF92 Technology
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International Multidisciplinary Scientific GeoConference-SGEM
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Bulgarian Acad Sci; Acad Sci Czech Republ; Latvian Acad Sci; Polish Acad Sci; Russian Acad Sci; Serbian Acad Sci & Arts; Slovak Acad Sci; Natl Acad Sci Ukraine; Natl Acad Sci Armenia; Sci Council Japan; World Acad Sci; European Acad Sci, Arts & Letters; Ac
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805-812
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02-08 July, 2018
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website
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cdrom
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596
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electric drive; semiconductor; harmonics; static converters.
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