Parallel-connected modular inverters are widely used in high-power applications to increase the power capacity of the system. These modular inverters ofer convenient maintenance and an adjustable power rating.
Various modulation methods, such as double reference PWM (DRPWM) and interleaved discontinuous PWM (IDPWM), have been proposed to reduce the high-frequency circulating current of various modular inverters .
For integrated modulation, it is necessary to decompose each switching state into parallel three-level inverters, thus requiring a special design to ensure that the distribution of the parallel bridge states contributes to an increase in the output current quality and a reduction in the circulating current.
The circulating current deteriorates the output current quality and degrades the reliability of the parallel system [12–15]. Harmonic components of circulating current can influence the inverter life cycle, limiting the power rating of the total parallel-connected inverter [16, 17].
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What are parallel connected modular inverters?Parallel-connected modular inverters are widely used in high-power applications to increase the power capacity of the system. These modular …
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Abstract—This paper presents a control strategy for input-series–output-parallel (ISOP) modular inverters. Each module is a high-frequency (HF) ac link (HFACL) inverter composed of an HF ...
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Abstract Parallel-connected modular inverters are widely used in high-power applications to increase the power capacity of the system. These modular inverters ofer …
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Reference [21] combined carrier phase shifting with interleaved parallelism and proposed a two-degree-of-freedom interleaved paralleling algorithm that can significantly …
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Abstract—In order to provide high and extendable power levels forinductivepowertransfer(IPT)system,aparallelmulti-inverter system based on modular inverter …
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Hydrogen energy plays an important role in achieving carbon neutralization, and plasma induced hydrogen is an effective production method. One challenge is how to …
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This paper presents a control strategy for input-series-output-parallel (ISOP) modular inverters. Each module is a high-frequency (HF) ac link (HFACL) inverter composed of an HF inverter, …
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In order to provide high and extendable power levels for inductive power transfer (IPT) system, a parallel multi-inverter system based on modular inverter is presented. Various …
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Abstract This paper presents a full digital control strategy for parallel connected modular inverter systems. Each modular inverter is a high frequency (HF) AC link inverter which is composed of …
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A control strategy for input-series-output-parallel (ISOP) connected modular high frequency isolated AC–AC converter is proposed in this study. The circulating currents among …
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