Single-Source Three-Phase Multilevel Inverter Assembled by Three-Phase Two-Level Inverter and Two Single-Phase Cascaded H-Bridge Inverters

Qanbari, Tohid; Tousi, Behrouz

doi:10.1109/tpel.2020.3029870

Cited by 70 publications

(22 citation statements)

References 32 publications

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“…Pure Sine Wave Inverter does not have harmful harmonics for all types of AC loads. It is capable of producing high-quality waveforms and increasing efficiency [15].…”

Section: A Module Egs002 Sine Wave Inverter Circuitmentioning

confidence: 99%

The Design of 24V DC to 400V DC Converter with Pure Sine Wave Inverter

Puspasari¹,

Sismanto²,

Ashari³

2022

IJETAE

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The demand for high-efficiency DC-DC converters is growing rapidly, especially for use in batteryoperated. To increase the supply DC input from power sources such as batteries, solar panels, and output from rectifiers, DC supplies, or DC generators, boost converters are used. This research designed a 24 VDC to 400 VDC voltage booster, tested using a 220 Vac amplification inverter system with an output of 220 Vac. The EGS-002 inverter used in this research was equipped with a Sinusoidal Pulse Width Modulation (SPWM) driver, a method that produces an output signal in the form of a pure sinusoidal wave. The test was carried out by connecting the inverter circuit directly with a voltage booster circuit in the form of a 400VAC step-up transformer to produce 24 VDC input and 50-400VDC output voltages. The length, width and height of the voltage booster are 55 cm x 35 cm x 15 cm, equipped with a cooling fan consisting of a 24V battery charger, and 4 VDC output terminals.

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“…Pure Sine Wave Inverter does not have harmful harmonics for all types of AC loads. It is capable of producing high-quality waveforms and increasing efficiency [15].…”

Section: A Module Egs002 Sine Wave Inverter Circuitmentioning

confidence: 99%

The Design of 24V DC to 400V DC Converter with Pure Sine Wave Inverter

Puspasari¹,

Sismanto²,

Ashari³

2022

IJETAE

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“…On the other hand, the multilevel inverters have drawn huge attention from people in incorporating with motor drives, and the multilevel drives fulfil the function of mitigating both the voltage stress and current stress for highpower drives. 20,21 It is anticipated that the aforementioned control techniques can be actively extended to three-level neutral-point-clamped (3L-NPC) powered PMSM drive. Definitely, traditional MFPCC is in practice ill-suited for the 3L-NPC inverter due to the amplified quantity of VVs.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of model‐free predictive current control in three‐phase permanent magnet synchronous motor drives fed by three‐level neutral‐point‐clamped inverters

Zhou

Wang

2022

Circuit Theory & Apps

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This article evaluates the model‐free predictive current control for three‐level inverter‐fed permanent magnet synchronous motor drives based on a full‐update technique of dq‐axes current variations. The proposed method is implemented in three steps. First, the defined feature current variations are calculated relying on the projection relationship between the corresponding voltage vectors and are assigned to obtain the other current variations of the same category to enhance the updating frequency of dq‐axes current variations and the current quality as well. Second, a voltage pre‐selection is conducted in the predictive current control by virtue of the applied voltage vector. In this case, the enumeration of all available vectors is effectively omitted, yielding the reduced computational burden. At last, the unbalanced neutral‐point voltage of three‐level inverter is eliminated to improve the control performance. Experimental and simulated results have been employed to highlight the favorable performance of the proposed control strategy.

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“…In the abovementioned topologies, cascaded-type topologies have been considered as they are free from capacitor balancing issues and do not use fying capacitors or clamping diodes. An MLI topology has been developed with a perspective to increase the voltage levels with the combination of three-leg inverter and H-bridge inverter sharing a common dc-link, but it requires a high-capacity isolation transformer to isolate the three-phase voltages [14]. A three-phase topology using several half-bridge cells is developed to synthesize stepped voltage waveform.…”

Section: Introductionmentioning

confidence: 99%

A Three-Phase Reduced Switch Count Multilevel Inverter Topology

Sivamani

Mohan

2022

International Transactions on Electrical Energy Systems

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Multilevel inverters play a vital role in the industrial and renewable energy sectors due to their flexibility in synthesizing sinusoidal waveforms using a low-pass filter with a medium voltage range. It has several drawbacks, such as a higher number of power component requirements and voltage balancing problems. In this study, a new structure for multilevel inverters has been developed to offer good power quality with minimum number of switching devices and gate driver circuits. The proposed structure is configured to operate in symmetrical and asymmetrical configurations for single/three-phase versions. A simulation study using MATLAB/Simulink has been utilized to study the operating characteristics under both configurations. A laboratory prototype has been built to check the feasibility of the proposed structure for real-time applications.

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Single-Source Three-Phase Multilevel Inverter Assembled by Three-Phase Two-Level Inverter and Two Single-Phase Cascaded H-Bridge Inverters

Cited by 70 publications

References 32 publications

The Design of 24V DC to 400V DC Converter with Pure Sine Wave Inverter

The Design of 24V DC to 400V DC Converter with Pure Sine Wave Inverter

Evaluation of model‐free predictive current control in three‐phase permanent magnet synchronous motor drives fed by three‐level neutral‐point‐clamped inverters

A Three-Phase Reduced Switch Count Multilevel Inverter Topology

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