This paper addresses to some of the latest contributions on application Finite Control Set Model Predictive (FCS-MPC) in Power Electronics. In FCS-MPC , switching states are directly applied power converter, without need an additional modulation stage. The shows how use provides a simple and efficient computational realization for different control objectives Some applications this technology drives, active filters, conditioning, distributed generation renewable energy covered. Finally,...

This paper gives an overview of medium-voltage (MV) multilevel converters with a focus on achieving minimum harmonic distortion and high efficiency at low switching frequency operation. Increasing the power rating by minimizing while still maintaining reasonable quality is important requirement persistent challenge for industry. Existing solutions are discussed analyzed based their topologies, limitations, control techniques. As preferred option future research application, inverter...

This paper presents a model predictive current control algorithm that is suitable for multilevel converters and its application to three-phase cascaded H-bridge inverter. method uses discrete-time of the system predict future value all voltage vectors, selects vector which minimizes cost function. Due large number vectors available in inverter, calculations are needed, making difficult implementation this standard platform. A modified strategy considerably reduces amount without affecting...

The quasi-Z-source inverter (qZSI) with battery operation can balance the stochastic fluctuations of photovoltaic (PV) power injected to grid/load, but its existing topology has a limitation due wide range discontinuous conduction mode during discharge. This paper proposes new energy-stored qZSI overcome this disadvantage. operating characteristic proposed solution is analyzed in detail and compared that topology. Two strategies are related design principles control when applied PV system....

One of the most promising power electronics converter topologies is Z-source inverter (ZSI). The ZSI an emerging topology for dc-ac converters with interesting properties such as buck-boost characteristics and single-stage conversion. A two-port network, composed two capacitors inductors connected in X shape, employed to provide impedance source (Z-source) coupling main circuit dc input source. advantageously uses shoot-through (ST) state boost voltage, which improves reliability enlarges...

The paper proposes an artificial-intelligence-based solution to interface and deliver maximum power from a photovoltaic (PV) generating system in standalone operation. between the PV dc source load is accomplished by quasi-Z-source inverter (qZSI). delivery ensured adaptive neuro-fuzzy inference (ANFIS) based on point tracking (MPPT). proposed ANFIS-based MPPT offers extremely fast dynamic response with high accuracy. closed-loop control of qZSI regulates shoot through duty ratio modulation...

Three existing and one extended space vector modulations (SVMs) for the three-phase Z-source/quasi-Z-source inverter (ZSI/qZSI) are investigated. The different switching control patterns, available maximum shoot-through duty ratio, voltage stress across switch versus gain, efficiency compared in detail. A total average device power taking into account current is proposed to evaluate of switches. Simulation experimental results prototyped qZSI verify theoretical analysis. six parts time...

In a dc distribution system, where multiple power sources supply common bus, current sharing is an important issue. When renewable energy resources are considered, such as photovoltaic (PV), dc/dc converters needed to decouple the source voltage, which can vary due operating conditions and maximum point tracking (MPPT), from bus voltage. Since different may have delivery capacities that with time, coordination of interface paramount importance ensure reliable system operation. Further, since...

Model predictive control (MPC) methods for applications in power converters have received considerable attention recent years. The idea behind MPC is to use a mathematical model of the system predict its future behavior within predefined time. An optimization problem that includes objectives, predicted variables, and possible constraints solved, yielding actions be applied.

The quasi-Z source (qZS) cascaded multilevel inverter (CMI) (qZS-CMI) presents attractive advantages in application to photovoltaic (PV) power system. Each PV panel connects an H-bridge qZS (qZSI) form a generation module. distributed maximum point tracking and all modules' dc-link peak voltage balance can be achieved. However, it is the same with conventional CMI that second-harmonic (2ω) current ripples exist each qZSI It crucial for qZS-CMI design reasonable network parameters limit...

The current and emerging investigations on Z-source/quasi-Z-source inverters (ZSIs/qZSIs) are presented. ZSI/qZSI fulfills buck/boost capability in single-stage topology overcomes the limits of traditional voltage source (VSIs). Hence, high reliablity, efficiency, low cost can be achieved. recently derived impedance networks with improved gain discussed. classic newly proposed modulations feedback controls for ZSIs/qZSIs compared. Finally, applications trends to photovoltaic (PV) power...

Solar systems have become very competitive solutions for residential, commercial, and industrial applications both standalone grid connected operations. This paper presents an overview of the current status future perspectives solar energy (mainly photovoltaic) technology required conversion systems. The focus in is put on technology, installations challenges, expectations. Various aspects related to global market, photovoltaic (PV) modules cost power electronics converter are addressed....

Variability in the solar irradiance level and ambient temperature of photovoltaic (PV) systems necessitates use maximum power point tracking (MPPT) PV to ensure continuous harvesting power. This paper presents a sensorless current (SC) MPPT algorithm using model predictive control (MPC). The main contribution this is model-based principle eliminate sensor that usually required for well-known techniques such as perturb observe (P&O). By predicting system states horizon time, proposed method...

An efficient and cost-effective power converter is a pre-requisite for the modern applications. With evolvement of matured medium self-commutated switching devices, multilevel inverters (MLIs) are emerged as promising solution high-power medium-voltage Though, MLIs performing role in industrial applications, their high device count, size, cost control complexities have restricted market penetration. To address disadvantages MLIs, researchers continuously contributing to new generation...

Having a reduced number of switches and isolated DC sources yet generating higher voltage levels has been always the challenge when selecting appropriate Multilevel Inverter (MLI) topology. Nowadays, Single-DC-Source (SDCS-MLI) topologies are being considered as more suitable for many power system applications such Renewable Energy (RE) conversion systems electrified transportations compared to Multiple-DC-Source MLIs (MDCS-MLIs). Moreover, increasing rating minimizing switching frequency...

A new predictive current controller for a voltage-source inverter is presented in this paper. Practical aspects of realizing the system with digital signal processor (DSP) are considered. Delays introduced by measurements considered and an improved algorithm one-period prediction presented. The was realized experimental DSP field-programmable gate array circuits. Results simulations experiments

An effective control method, including system-level and pulsewidth modulation for quasi-Z-source cascade multilevel inverter (qZS-CMI) based grid-tie photovoltaic (PV) power system is proposed. The achieves the current injection, independent maximum point tracking (MPPT) separate PV panels, dc-link voltage balance all H-bridge (qZS-HBI) modules. complete design process disclosed. A space vector (SVM) single-phase qZS-CMI proposed to fulfill synthetization of step-like waveforms. Simulation...

This paper proposes a new space-vector pulsewidth modulation (SV-PWM) strategy for three-level neutral point clamped inverter. The presented SV-PWM makes it possible to control the voltage by optimum choice of switch sequence any position and length output vector. proposed solution takes into consideration unbalance dc-link voltages. It also analyzes influence vector sequences on predicted voltage. allows selecting vectors their on-time durations in order reduce quickly unbalance....

The quasi-Z-source cascade multilevel inverter (qZS-CMI) presents many advantages over conventional CMI when applied in photovoltaic (PV) power systems. For example, the qZS-CMI provides balanced dc-link voltage and boost ability, saves one-third modules, etc. However, still cannot overcome intermittent stochastic fluctuation of solar injected to grid. This paper proposes an energy stored qZS-CMI-based PV generation system. system combines storage by adding battery each module balance...

This paper presents a finite-control-set model predictive control (FCS-MPC) for grid-tied packed U cells (PUC) multilevel inverter (MLI). The system under study consists of single-phase 3-cells PUC connected to the grid through filtering inductor. proposed competitive topology allows generation 7-level output voltage with reduction passive and active components compared conventional MLIs. aim FCS-MPC technique is achieve, various operating conditions, current injection unity power factor low...