Photovoltaic (PV) energy has grown at an average annual rate of 60% in the last five years,
surpassing one third of the cumulative wind energy installed capacity, and is quickly …

An efficient and cost-effective power converter is a pre-requisite for the modern power
applications. With the evolvement of matured medium power self-commutated switching …

Multilevel converters have been under research and development for more than three
decades and have found successful industrial application. However, this is still a technology …

The main design objective of photovoltaic (PV) systems has been, for a long time, to extract
the maximum power from the PV array and inject it into the ac grid. Therefore, the maximum …

This paper presents a fuzzy logic controller (FLC)-based single-ended primary-inductor
converter (SEPIC) for maximum power point tracking (MPPT) operation of a photovoltaic …

This paper proposes a single-phase seven-level inverter for grid-connected photovoltaic
systems, with a novel pulsewidth-modulated (PWM) control scheme. Three reference signals …

In this paper, a fault-tolerant single-phase five-level inverter configuration is proposed for
photovoltaic (PV) generation systems. Conventional two-level inverters are popularly used …

A new fundamental structure of a single-phase transformer-less grid connected multilevel
inverter based on a switched-capacitor structure is presented in this study. By employing the …

The popularity of multi-level inverters (MLIs) for high power and high voltage applications, is
increasing day-by-day. These MLIs are being integrated with the grid for renewable energy …

This paper presents a single-phase transformerless grid-connected photovoltaic converter
based on two cascaded full bridges with different dc-link voltages. The converter can …