Three-Phase Two-Leg T-Type Converter based Active Power Filter

Biricik, Samet; Kömürcügil, Hasan; Trabelsi, Mohamed

doi:10.1109/iecon.2019.8927240

Cited by 1 publication

(2 citation statements)

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“…The second presented aspect is the converter which is employed in the analyzed shunt active power filter. It is based on a three-leg three level NPC type T converter [34,35]. This topology is selected due to its lower power loss generation [36,37] and the ability to reduce current ripples caused by the switching of transistors and common-mode voltage components [38,39].…”

Section: Introductionmentioning

confidence: 99%

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Control Method of Four Wire Active Power Filter Based on Three-Phase Neutral Point Clamped T-Type Converter

et al. 2021

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An active power filter based on a three-level neutral point clamped T-type converter with LCL input filter is presented in the paper. The main goal of the paper is the analysis of a control system that ensures independent control of a current in each phase. The presented control method of the filter allows reactive power compensation and/or a higher harmonics reduction to be achieved in each phase independently, with the possibility of control tan (φ) coefficient. This allows the power flow between the phases to be minimalized and reduces the RMS values of filter currents without the need to balance grid currents. The analysis presents the possibility of an operation in different modes, which was verified by experimental results. The results have been obtained in a 20 ARMS laboratory system described in the paper. The results reveal relatively low power losses, which are a feature of the selected three-level T-type topology. Additionally, that topology, when compared to a two-level one, ensures the reduction in current ripples with the same parameters of passive components.

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Section: Introductionmentioning

confidence: 99%

“…These guidelines mean that the proposed control method is based on modifications of the dq method for single-phase circuits [30][31][32][33][34][35][36][37][38][39][40]. The starting point of the calculations of the reference currents is the transformation to dq synchronously rotating coordinates for each phase independently in the form:…”

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confidence: 99%