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  • This paper proposes a novel PWM for four leg voltage-source converter operating as an earth fault current compensator in power grids with unearthed or high-impedance earthed neutral. For proper earth fault compensation, the converter has to draw zero-sequence currents from the three-phase grid. Its control is based on three independent proportional-resonant controllers. The main task of a new modulator is to generate from three outputs coming from the control block four modulation signals entering the PWM. In order to minimize a dc-link voltage of the converter, the least norm method is used to eliminate high difference of amplitudes of the modulation signals.
  • This paper proposes a novel PWM for four leg voltage-source converter operating as an earth fault current compensator in power grids with unearthed or high-impedance earthed neutral. For proper earth fault compensation, the converter has to draw zero-sequence currents from the three-phase grid. Its control is based on three independent proportional-resonant controllers. The main task of a new modulator is to generate from three outputs coming from the control block four modulation signals entering the PWM. In order to minimize a dc-link voltage of the converter, the least norm method is used to eliminate high difference of amplitudes of the modulation signals. (en)
Title
  • A novel least norm-based PWM for a four-leg earth fault compensator
  • A novel least norm-based PWM for a four-leg earth fault compensator (en)
skos:prefLabel
  • A novel least norm-based PWM for a four-leg earth fault compensator
  • A novel least norm-based PWM for a four-leg earth fault compensator (en)
skos:notation
  • RIV/49777513:23220/14:43923079!RIV15-MSM-23220___
http://linked.open...avai/riv/aktivita
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  • P(EE2.3.30.0013), S
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
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  • 1000
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  • RIV/49777513:23220/14:43923079
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  • earth fault compensation; lest norm method; four-leg converters (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...ontrolniKodProRIV
  • [CEBC6C9F420B]
http://linked.open...v/mistoKonaniAkce
  • Dallas, USA
http://linked.open...i/riv/mistoVydani
  • Piscataway
http://linked.open...i/riv/nazevZdroje
  • Proceedings of IECON 2014 : 40th Annual Conference of the IEEE Industrial Electronics Society
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  • Peroutka, Zdeněk
  • Komrska, Tomáš
  • Matuljak, Ivan
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http://linked.open.../riv/zahajeniAkce
issn
  • 1553-572X
number of pages
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  • IEEE
https://schema.org/isbn
  • 978-1-4799-4033-2
http://localhost/t...ganizacniJednotka
  • 23220
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