Design of a passive 48-pulse AC-DC converter for THD stabilization atlLight load

• Autorzy: Akther Shoaib , Islam Shahidul , Malek Abdul

Identyfikatory

DOI

10.15199/48.2019.11.46

Warianty tytułu

PL

Projekt pasywnego 48-pulsowego przekształtnika AC-DC o małym współczynniku THD

• Języki publikacji: EN

Abstrakty

EN

In this paper a 48-pulse uncontrolled AC-DC converter is proposed to mitigate AC line current harmonics of the input side. The proposed rectifier uses conventional 24-pulse parallelly connected rectifier with addition of a passive current injection circuit named as special interphase reactor. The interphase reactor consists of two additional lower rated power diodes. The value of the found THD is 3.55% which satisfies the IEEE 519-1992 standard. Proposed converter also shows lower fluctuation of harmonics valued 1.40% with respect to full load ensuring stable operation at light load. Designed multipulse converter scheme is also simple in construction and requires less number of electronic devices compared to conventional 48-pulse AC-DC converter. This article also explains the simulation and THD performance of the proposed AC-DC converter with proper figure.

PL

W artykule przedstawiono 48-pulsowy przekształtnik AC-DC ze zmniejszoną wartością harmonicznych prądu na wejściu. Proponowany prostownik wykorzystuje 24-pulsowe konwencjonalne prostowniki połączone równolegle z dodatkiem obwodu prądowego nazwanego międzyfazowym reaktorem. Składa się on dwóch dodatkowych diod. Osiągnięto współczynnik THD mniejszy niż 3.55%. Proponowany układ charakteryzuje sie też mniejszą fluktuacja harmonicznych.

Słowa kluczowe

EN

total harmonic distortion (THD); zigzag transformer; Matlab Simulink; special interphase reactor (SIPR)

PL

przekształtnik AC-DC; współczynnik THD; harmoniczne

• Wydawca: Wydawnictwo SIGMA-NOT
• Czasopismo: Przegląd Elektrotechniczny
• Rocznik: 2019
• Tom: R. 95, nr 11
• Strony: 184--187
• Opis fizyczny: Bibliogr. 19 poz., rys., tab.

Twórcy

autor

Akther Shoaib

• Department of Electrical and Electronic Engineering, Rajshahi University of Engineering & Technology (RUET), Rajshahi-6204, Bangladesh

autor

Islam Shahidul

• Department of Electrical and Electronic Engineering, Rajshahi University of Engineering & Technology (RUET), Rajshahi-6204, Bangladesh

autor

Malek Abdul

• Department of Electrical and Electronic Engineering, Rajshahi University of Engineering & Technology (RUET), Rajshahi-6204, Bangladesh

Bibliografia

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• [17] B. Singh, G. Bhuvaneswari and V. Garg, “ An Improved Power- Quality 30-Pulse AC-DC converter for Varying Loads", IEEE Trans. Power Del., 22 (2007), no. 3, pp. 1179-1187.
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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).