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In this paper reactive power compensation using an infinite level inverter based STATCOM is proposed. Nowadays, the society is becoming increasingly dependent on the electrical supply. New equipment's are more sensitive to power quality variations. This causes the transmission line to transfer equal or sometimes more than its capacity, which leads to overloading, voltage fluctuations etc. in the system...
A novel three-phase multilevel inverter using a single dc source is proposed in this paper, which uses flying capacitors for generating different voltage levels. Pole voltage levels can be of five levels or higher than that. The structural similarity of the front end of the proposed inverter with that of the three-level neutral-point clamped inverter and the presence of redundant switching states...
The Five-Level Active-Neutral-Point-Clamped (5L-ANPC) inverter is one of the most popular topologies among five-level inverters since it combines the features of Flying-Capacitor (FC) type and Neutral-Point-Clamped (NPC) type inverters and was commercially used for industrial applications. This paper proposes a novel modulation strategy for a Six-Switch 5L-ANPC (6S-5L-ANPC) topology to keep voltages...
In this paper, a finite control set Model Predictive Control (MPC) for grid-tie quasi-Z-Source (qZS) based multilevel inverter is proposed. The proposed Power Conditioning System (PCS) consists of a single-phase 2-cell Cascaded H-Bridge (CHB) inverter where each module is fed by a qZS network. The aim of the proposed control technique is to achieve grid-tie current injection, low Total Harmonic Distortion...
Multilevel inverters due to adequate cost, simple implementation and high efficiency are very useful in modern drives and other medium and high power utilities. In this study, a new switched-capacitor multilevel inverter (SCMLI) topology is presented which can be used in high power applications with minimum count. Proposed SCMLI consists of several capacitors beside series/parallel power switches...
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