A Novel Diode-Clamped MLI Based MD-UPQC for Power-Quality Improvement using Proposed UVCR Controller

Naarisetti Srinivasa Rao, Pulipaka Venugopal Ramana Rao


This paper describes the customizable multi-device unified power-quality conditioner (MD-UPQC) is designed especially for multi-feeder distribution networks. The proposed MD-UPQC can exchange the power between the multi-feeders and proficiently mitigates all voltage-current associated power-quality problems, make sure to maintain balanced power-flow to consumers. At recent days, various manufacturers recommend the provision of multilevel inverters in mid-range customized compensation devices with desirable control schemes. In distinct, the 5-level diode-clamped multi-level inverter (DCMLI) is best suited for MD-UPQC over traditional 3-level VSI topology for attaining enhanced features. In this paper, MD-UPQC has been proposed with three 5-level DCMLI modules interfaced as back-to-back with a common DC capacitor. The simplified phase-dispositional modulation technique is easily assembled with proposed universal voltage-current reference controller for significant functioning of DCMLI-MDUPQC device. The operation and performance of proposed model and its control scheme is evaluated with Matlab-Simulink computational tool, simulation results are presented.


Diode-clamped MLI; Multi-carried Based PWM; Multi-device UPQC; Power-quality; Universal voltage-current; Reference controller

DOI: http://doi.org/10.11591/ijpeds.v13.i1.pp%25p


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