Design and Implementation of a 12-Pulse TCR-Based SVC for Voltage Regulation

Alabduljabbar, Ayman A.; Gerçek, Cem Özgür; Atalik, Tevhid; Koç, Erkan; Parlak, Deniz; Alsalem, Faisal S.

doi:10.1109/jeeit.2019.8717530

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The 12-pulse Modular Voltage Source Inverter With Coupled Reactors1

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“…Twelve-pulse topology has been known as early as in the 1980s [14,26] and widely used in industry to date [5,[27][28][29]. However, the first attempts to use this topology (with coupled reactors) in the inverter mode of operation were made only several years ago [1,7].…”

Section: The 12-pulse Modular Voltage Source Inverter With Coupled Reactorsmentioning

confidence: 99%

Hybrid Modulation for Modular Voltage Source Inverters with Coupled Reactors

et al. 2020

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This paper proposes and discusses a concept of a hybrid modulation for the control of modular voltage source inverters with coupled reactors. The use of coupled reactors as the integrating elements leads to significant reduction in the size and weight of the circuit. The proposed modulation combines novel coarsely quantized pulse amplitude modulation (CQ-PAM) and innovative space-vector pulse width modulation (SVPWM). The former enjoys very low transistor switching frequency and low harmonic elimination, while the latter ensures high resolution of amplitude control. The SVPWM is based on the use of barycentric coordinates. The feasibility of the proposed solution is verified by simulations and laboratory tests of a 12-pulse modular voltage source inverters with two-level and three-level component inverters.

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