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Modified four leg DSTATCOM topology for compensation of unbalanced and nonlinear loads in three phase four wire system
Published in
2011
Abstract
This paper proposes a modified four leg Distribution Static Compensator (DSTATCOM) topology for compensation of unbalanced and nonlinear loads in three phase four wire system. This proposed modified topology uses a capacitor connected in series with the interface inductor at the point of common coupling (PCC). This Modified topology requires a lower value of dc link voltage (V dcref) across the dc storage capacitor of voltage source inverter (VSI) for compensation of source currents, when compared with the basic four leg DSTATCOM topology. The reference filter currents are generated using instantaneous symmetrical component theory and are tracked using hysteresis current control technique. A detailed simulation study to compare the performances of basic and modified topologies are carried out using PSCAD 4.2.1. © 2011 EPE Association - European Power Electr.
About the journal
JournalProceedings of the 2011 14th European Conference on Power Electronics and Applications, EPE 2011
Open AccessNo
Concepts (24)
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    Dc-link voltages
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    DISTRIBUTION STATIC COMPENSATOR
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    DSTATCOM
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    Four-leg
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    HYSTERESIS CURRENT CONTROL TECHNIQUES
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    INSTANTANEOUS SYMMETRICAL COMPONENT THEORY
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    Nonlinear load
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    Point of common coupling
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    Simulation studies
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    Source currents
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    STORAGE CAPACITOR
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    Switching losses
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    Three phase four wire systems
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    Voltage source inverter
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    Active filters
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    Capacitors
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    Dc power transmission
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    Electric current control
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    Electric fault currents
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    Electric network analysis
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    Power electronics
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    Power quality
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    Wire
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    Topology