2015
DOI: 10.1049/iet-pel.2014.0421
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Performance analysis and capacitor design of three‐phase uncontrolled rectifier in slightly unbalanced grid

Abstract: Slightly unbalanced grid voltage can cause large unbalanced current and non-characteristic harmonics in threephase uncontrolled rectifier. This study proposes an accurate model to analyse the performance of three-phase uncontrolled rectifier in slightly unbalanced grid. Three appreciative operation modes (three-phase rectifier, doublephase rectifier and single-phase rectifier with discontinuous rectifier current) in slightly unbalanced grid are discussed in detail in this study. Moreover, the closed-form analy… Show more

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Cited by 10 publications
(3 citation statements)
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“…The need for solving the equations for several subinterval equivalent circuits increases the complexity of the analyses. In [6], based on circuit equations, an analytical model of DBR was proposed for a slightly unbalanced grid. However, AC source inductances were neglected.…”
Section: Introductionmentioning
confidence: 99%
“…The need for solving the equations for several subinterval equivalent circuits increases the complexity of the analyses. In [6], based on circuit equations, an analytical model of DBR was proposed for a slightly unbalanced grid. However, AC source inductances were neglected.…”
Section: Introductionmentioning
confidence: 99%
“…In this case, third harmonic currents as large as 19:2% of magnitude may appear. As a consequence, several international standards have a restriction on the unbalance factor, such as the IEC 61000-2-2 which limits the VUF to be less than 2% [23]. Important efforts have also been done to propose advanced control strategies for PFCs based on PWM rectifiers which must be able to maintain an adequate system performance despite of input voltage unbalance conditions.…”
Section: Introductionmentioning
confidence: 99%
“…Una segon enfocament de la solució, des del punt de vista del càlcul analític, per a sistemes trifàsics abc desequilibrats serà descomposar el sistema abc amb components simètriques així el desequilibri ens quedarà amb un sistema abc-directe, un abc-invers (de seqüencia inversa), i un homopolar. Com és mostra a les referències [54], [55].…”
Section: Rectificador En Pont Trifàsicunclassified