New Reduced Switched Multilevel Inverter for Three-Phase Grid-Connected PV System, Performance Evaluation

Hosseinzadeh, Mohammad Ali; Sarbanzadeh, Maryam; Muñoz, Javier; Rivera, Marco; Muñoz, Carlos; Villalon, Ariel

doi:10.1109/icit.2019.8755112

Cited by 6 publications

(4 citation statements)

References 22 publications

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“…Switching losses occur due to non ideal operation of switches. The average conduction losses of a transistor ( and diode ( can be written as follows: The total conduction losses of multilevel inverter per cycle ( ) = ( )* (11) The switching loss of the switches is given as ) ( 12)…”

Section: Switch Lossesmentioning

confidence: 99%

“…The major topologies of multilevel inverters are Diode clamped (NPC) multilevel inverter [3], Capacitor clamped (FC) multilevel inverter [4] and Cascaded H bridge (CHB) multilevel inverter [5]. The common problem among above topologies is number of switches required [6,7] increases significantly with increase in output voltage level [8], which tends to increase in cost, size and complexity of switching and implementation of hardware circuit [9][10][11]. The NPC multilevel inverter and the FC multilevel inverter, the capacitor voltage can be regulated using redundant switching states but as the level of voltage increase the number of capacitors and clamping diodes required and complexity in control scheme increases.…”

Section: Introductionmentioning

confidence: 99%

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Comparative investigation of 15 Level and 17 level cascaded h-bridge MLI with cross h-bridge MLI fed permanent magnet synchronous motor

Rao

Tummala

Raju

2021

IJEECS

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Multilevel inverters offers eminent solutions to high voltage high power applications due to the association of several devices in a series configuration. In this paper, a comparative investigation of both 15 and 17 level cascaded h-bridge multi level inverter with cross h-bridge fed permanent magnet synchronous motor are presented by appropriate simulations and mathematical analysis. Comparative analysis includes Inverter output voltage and current, number of switching devices, stator current and speed of PMSM and total harmonic distortion levels. Limitation of several switching devices, which can afford high voltage in the inverter is the major problems raised in this study. The advantage of this analysis is to figure out the appropriate inverter that can be used for real time application by considering the factors via. Harmonic distortion, output voltage, current, number of switching devices etc. Validation of the analysis is processed through matlab/simulink platform.

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Section: Switch Lossesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Comparative investigation of 15 Level and 17 level cascaded h-bridge MLI with cross h-bridge MLI fed permanent magnet synchronous motor

Rao

Tummala

Raju

2021

IJEECS

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“…Hosseinzadeh, et al [1] discusses the multilevel inverter with reduced no of switches and it explains the operations and compares its performance with conventional strategies. Nirmal mukundhan, et al [2] discusses the operation and modelling of standalone PV power generators with isolated zeta converter for DC to DC conversion.…”

Section: Abstract II Literature Surveymentioning

confidence: 99%

Multicarrier PWM Based Control of Modular Multilevel Inverter with Grid Connected Solar PV System

K¹

2021

IJMTST

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In this work, a new modular multilevel inverter topology is introduced for a single phase grid connected Photovoltaic system. This multilevel inverter use less number of switches to generate seven levels compared to other conventional multilevel inverters. This requires only one isolated dc source to operate. So it is suitable for renewable energy application. This inverter is designed by submodule configuration; each sub module contains two switches and one DC link capacitor. The sub modules will be added to the inverter depending on number of levels. The voltage balancing of DC link capacitor is carried out by Y matrix PWM technique. Because of Y matrix PWM technique, the inverter gets a self capacitor voltage balancing ability. So there is no need of external devices required for balancing the voltage of capacitor. A PLL for grid integration and LCL filter are designed and integrated with this inverter. The simulation of proposed system is carried out by MATLAB/SIMULINK and performance of THD is monitored as per standards

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“…An alternative is a power plant design combining arrays of singlephase alternating current photo voltaic modules [6,7], allowing for high output voltage quality [8,9]. This principle underlies many forwardlooking topolo gies [10,11], including those with an asymmetric structure [12], one of which is the use of a highvoltage multilayer cas cade converter without a network transformer (Fig. 1, c) [13,14].…”

Section: Introductionmentioning

confidence: 99%

Simulation of industrial solar photovoltaic station with transformerless converter system

Tugay¹,

Korneliuk²,

Shkurpela³

et al. 2020

Nauk. visn. nat. hirn. univ.

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Purpose. Creation of a detailed model of a solar photovoltaic station with a converter system based on a cascaded multi-level inverter with the MPPT (maximum power point tracker) function to investigate its operating modes in distributed power systems. Methodology. To carry out the research, the paper used the methods of system synthesis, mathematical and computer modeling to create photovoltaic station models and components; a physical experiment in obtaining thermal characteristics of the photovoltaic module Solarday SDM72360 W; modern power theories for synthesis of the vector control system of a multi-level inverter. Findings. the Matlab-model of solar photovoltaic station with transformerless 29-level cascade voltage inverter is synthesized. The model confirmed the serviceability and efficiency of the converter system and the power plant as a whole. An algorithm is proposed and an MPP tracker with volt-ampere characteristics of the photovoltaic module, which corresponds to the maximum power extraction, is synthesized on the basis of the algorithm. The algorithm was validated by the model for any solar radiation intensity. Originality. The total mathematical model of the photoelectric module, which accounts for its energy and heat characteristics, is obtained and can be used for simulating the operation of any computer model of the photoelectric converter under Matlab/Simulink/SimPowerSystems environment. Practical value. The model results indicate the prospects of industrial implementation of transformerless multi-level converter systems to be used in the structure of powerful solar photovoltaic stations.

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New Reduced Switched Multilevel Inverter for Three-Phase Grid-Connected PV System, Performance Evaluation

Cited by 6 publications

References 22 publications

Comparative investigation of 15 Level and 17 level cascaded h-bridge MLI with cross h-bridge MLI fed permanent magnet synchronous motor

Comparative investigation of 15 Level and 17 level cascaded h-bridge MLI with cross h-bridge MLI fed permanent magnet synchronous motor

Multicarrier PWM Based Control of Modular Multilevel Inverter with Grid Connected Solar PV System

Simulation of industrial solar photovoltaic station with transformerless converter system

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