Switching algorithm for single
            <i>Z</i>
            ‐source boost multilevel inverter with ability of voltage control

Banaei, Mohamad Reza; Dehghanzadeh, Ali Reza; Fazel, Ali; Oskouei, Aida Baghbany

doi:10.1049/iet-pel.2012.0636

Cited by 29 publications

(12 citation statements)

References 23 publications

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“…But these structure requires more number of sources. To boost the low voltage DC, DC-DC converters or Impedance source inverters [8]- [9] are used. Switched capacitor type multi level inverter with diode clamped structure is discussed in [10].…”

Section: A Simplied Pwm Technique For Isolated Dc-dc Converter Fed Swmentioning

confidence: 99%

A Simplified PWM Technique for Isolated DC-DC Converter Fed Switched Capacitor Multi-Level Inverter for Distributed Generation

2017

IJPEDS

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This paper presents a simplied PWM technique to drive switched capacitor type multi-level inverter fed from isolated type DC-DC converter for distributed generation. Distributed generation (DG) is renowned power generation at point of utility with no environmental a ects and reduces transmission line losses. Photovoltaic system is considered as renewable energy source for DG and the low voltage from PV system is boosted to required voltage using an isolated type single-input multi-output (SIMO) DC-DC converter. DC output from isolated SIMO DC-DC converter is fed to switched capacitor type multi-level inverter (SC-MLI) to feed the AC load. Isolated SIMO DC-DC converter apart from boosting the DG output voltage, also eliminates the problem of voltage unbalancing in SC-MLI topology. Closed loop operation of SIMO DC-DC converter employs only single PI controller instead of three controllers was presented in this paper. Modes of operation of SCMLI and PWM switching pattern were explained. Simulation of proposed system was developed using MATLAB/SIMULINK software.

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Section: A Simplied Pwm Technique For Isolated Dc-dc Converter Fed Swmentioning

confidence: 99%

A Simplified PWM Technique for Isolated DC-DC Converter Fed Switched Capacitor Multi-Level Inverter for Distributed Generation

2017

IJPEDS

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“…In this context, a front end isolated qZSI‐CHB is introduced. A transformer‐based ZSI‐CHB is reported with single Z‐source network for seven‐level output realization. However, these topologies are bulky and suitable for medium voltage applications.…”

Section: Introductionmentioning

confidence: 99%

A new configuration of seven‐level quasi Z‐source–based isolated inverter for renewable applications

Rahul

Kirubakaran

2019

Int Trans Electr Energ Syst

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Summary In this paper, a new configuration of seven‐level quasi Z‐source (qZs)–based isolated inverter is introduced in the family of Z‐source–based multilevel inverters (MLIs). The proposed topology is an upgrade of qZs inverter and asymmetrical seven‐level inverter with significant advantages of high boost gain, reduced device count, and higher efficiency. In addition, the front‐end qZs converter provides wide input voltage regulation for eco‐friendly photovoltaic (PV) as well as fuel cell–based standalone/grid‐connected applications. The use of high‐frequency transformer blocks the leakage current from PV panels to the local load/grid, and the seven‐level inverter produces high quality sinusoidal output waveform, which reduces the filter size. Therefore, the working principle of the proposed configuration is tested in simulation, and an experimental verification is performed to validate the effectiveness of the model. A proportional‐integral (PI) controller is designed in field‐programmable gate array (FPGA) using Xilinx blocks, and the dynamic response of the model is evaluated for changes in input voltage and step changes in load. Moreover, a brief comparative assessment of proposed configuration with existing seven‐level qZs‐MLI is also presented.

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“…Fault tolerant cascaded inverter using Z-sourced network are demonstrated in [10]. Design and simulation of cascaded transformer based multilevel inverter using single Z-source network is investigated in [11]. Dual-boost/buck converter used Active Cascaded Multilevel Inverter (ACMI) is proposed in [12].…”

Section: Introductionmentioning

confidence: 99%

Design and Analysis of Quasi Cascaded Multi-Level Inverter

Sakthivel¹,

Govindaraju²

2019

IJEET

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This paper presents new topology of Quasi multi-level inverter (MLI) with five level output voltage. Traditional cascaded MLI is a buck DC-AC conversion circuit, which puts a limit on the peak AC voltage. However, within the proposed converter a shoot through state is implemented to increase the output voltage. The number of passive components used in the circuit is less, thereby reducing size, cost and weight. The voltage unbalance problem is prevented by using a low voltage capacitor between the two full bridge outputs. The capacitor voltage of each module is organized with a PI controller to generate the switching pulses for switches of the proposed structure. Simulation results are added to examine the feasibility.

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Switching algorithm for single Z ‐source boost multilevel inverter with ability of voltage control

Cited by 29 publications

References 23 publications

A Simplified PWM Technique for Isolated DC-DC Converter Fed Switched Capacitor Multi-Level Inverter for Distributed Generation

A Simplified PWM Technique for Isolated DC-DC Converter Fed Switched Capacitor Multi-Level Inverter for Distributed Generation

A new configuration of seven‐level quasi Z‐source–based isolated inverter for renewable applications

Design and Analysis of Quasi Cascaded Multi-Level Inverter

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