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Active Power Filters for Suppression of Line Current and Voltage Harmonics
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| Author(s) |
T. Mlcak; P. Brandstetter |
| Abstract |
The power converters are typical load in distribution mains. Input circuits of these converters are often designed as controlled or non-controlled rectifiers, which consist of power semiconductor devices. The converter is non-linear load in the mains and its phase currents are not only sinusoidal. Current curves contain higher harmonics too, which unfortunately influences feed system. This influence causes non-harmonics curves of voltage. For reduction of the higher harmonics influence the filters compounded by inductors and capacitors are used. However these devices have many basic disadvantages. For example there is inner line impedance which making resonance circuit with sharp tuned resonance. All these disadvantages are possible to remove by using active power filters. The subject of this paper is the exhibit of parallel and serial active power filters and possibility their control. The control methods of the active power filters are described and experimentally proved. Simulation and practical results showing the dynamic state system's performance are presented. |
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| Filename: | EPE-PEMC2002 - T6-012 - Mlcak.pdf |
| Filesize: | 273.6 KB |
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| Type |
Members Only |
| Date |
Last modified 2004-05-25 by System |
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