PROJECT TITLE :
A Novel DVR Based on Parallel-Connected Diode-Clamped Modular Multilevel Converters - 2017
The dynamic voltage restorer (DVR) may be a quick and efficient solution to voltage sag problems. This paper proposes a brand new configuration of DVR that is predicated on the parallel diode-clamped modular multilevel converter (parallel-DCM2C). Within the parallel-DCM2C topology the capacitor voltages distributed in the sub-modules (SMs) can be balanced automatically without any balancing management algorithms. Additionally no SM capacitor voltage sensors are needed. In this paper the compensation strategy is additionally developed with the new configuration. Experimental results verified the voltage self-balancing performance and compensation functionality of this novel DVR.
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