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Reduction of Harmonics by 18-Pulse Rectifier

By Stanislav Kocman and Vitezslav Styskala


Operation of such electrical devices as data processing and electronics devices, adjustable speed drives or uninterruptible power supply can cause problems by generating harmonic currents into the network, from which they are supplied. Effects of these harmonic currents are various, they can get worse the quality of supply voltage in the network or to have negative influences on devices connected to this network. There are various technical solutions for reduction of harmonics. One of them is using of multi-pulse rectifiers, whereas the 18-pulse rectifier in the structure of adjustable speed drive is briefly presented in this paper including some results of its behaviour. The examined experimental measurementsĀ confirmed its very good efficiency in the harmonic mitigation.<br /

Topics: Electrical devices, harmonics, network., Electrical engineering. Electronics. Nuclear engineering, TK1-9971
Publisher: VSB-Technical University of Ostrava
Year: 2008
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