Low Frequency Conducted Emissions of Grid Connected Static Converters - Publikacja - MOST Wiedzy

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Low Frequency Conducted Emissions of Grid Connected Static Converters

Abstrakt

Pulse-width modulated rectifiers are nowadays commonly used for AC to DC power conversion. PWM rectification technology is very effective and allows for bidirectional power flow with the possibility of power factor improvement and low-order harmonic emission limitation. Unfortunately, employed PWM boost topology results with generation of input current harmonic distortions in a frequency range tightly correlated to modulation frequency. PWM carrier frequency and its harmonic components in typical applications are usually located in frequency range from single kHz up to hundreds of kHz. Increase of harmonic emission in this particular frequency range can be disturbing for other sensitive systems, therefore can cause lack of electromagnetic compatibility. Interferences in low frequency range are increasingly frequent EMC issue because of extensive use of low power PWM rectifiers and significant increase of rated power of individual converters, which already reach several MW. Presented comparison of current harmonic emission spectra of PWM rectifiers with relation to classic diode rectifiers is focused on frequency range of 2 to 9 kHz, for which emission limitation rules are currently under development. New class of EMC problems arising in low frequency range in power system are underlined as a result of increased harmonic emission in frequency range of 2 to 9 kHz.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
publikacja w in. zagranicznym czasopiśmie naukowym (tylko język obcy)
Opublikowano w:
Electromagnetic Compatibility Magazine, IEEE nr 4, wydanie 1, strony 86 - 94,
ISSN: 2162-2264
Język:
angielski
Rok wydania:
2015
Opis bibliograficzny:
Łuszcz J., Smolenski R.. Low Frequency Conducted Emissions of Grid Connected Static Converters. Electromagnetic Compatibility Magazine, IEEE, 2015, Vol. 4, iss. 1, s.86-94
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1109/memc.2015.7098518
Weryfikacja:
Politechnika Gdańska

wyświetlono 24 razy

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