A current-prediction scheme for the PRDCL inverter-fed induction motor drive

Deshpande, V.V.; Doradla, S.R.; Divan, D.M.

doi:10.1109/63.554170

Cited by 18 publications

(2 citation statements)

References 5 publications

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“…At the same time, the resonant inductor is connected in series with the busbar, and the traditional PWM modulation strategy cannot be used, which makes the filter design extremely difficult. In response to this problem, some new topologies have been proposed to solve these problems [8][9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Novel Auxiliary Resonant Pole Inverter and its Optimal Control Strategy

Liu,

Wang,

et al. 2023

IEEJ Transactions Elec Engng

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Conventional inverters operate in hard‐switching mode, and as the switching frequency increases, the switching losses increase dramatically. Increasing the switching frequency helps reduce the size and cost of the inverter, but too high a switching frequency generates greater switching losses, which affects the inverter's transmission efficiency. In response to the problem that conventional hard‐switching inverters cannot be higher in frequency and have high switching losses and low transmission efficiency, an optimized auxiliary resonant commutated inverter and control strategy are proposed to make the inverter work in soft‐switching mode, which helps reduce the switching losses. The auxiliary converters in the bridge arm topology of each phase of the three‐phase inverter are divided into two groups, and the operating auxiliary converters are selected according to the direction of the load current. When the load current direction is positive, the upper bridge arm auxiliary device works and the lower bridge arm auxiliary device turns off, similarly when the load current direction is negative, the lower bridge arm auxiliary device works and the upper bridge arm auxiliary device turns off, this can ensure that only one group of devices works every half cycle, making the control strategy simple and reducing auxiliary circuit losses. Simulation and experimental verification of the effectiveness of the proposed scheme. © 2023 Institute of Electrical Engineers of Japan. Published by Wiley Periodicals LLC.

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Section: Introductionmentioning

confidence: 99%

Novel Auxiliary Resonant Pole Inverter and its Optimal Control Strategy

Liu,

Wang,

et al. 2023

IEEJ Transactions Elec Engng

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“…Active clamped resonant DC-link inverters are proposed to solve this problem. Moreover, many new solutions have been proposed in recent years for resonant losses and control techniques (Divan and Skibinski, 1989;Deshpande et al, 1997;Jafar and Fernandes, 2002;Gurunathan and Bhat, 2007;Amirabadi et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Topology and control strategy optimization of an auxiliary resonant commutated pole-based, soft-switching grid-connected inverter

Liu,

Wang

2023

Front. Energy Res.

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With the development of new energy industries such as photovoltaics, microgrids, or distributed energy sources require many DC-AC grid-connected interfaces. Reducing the switching loss of the inverter is important to improve the transmission efficiency of the inverter, reduce the heat generation of the inverter, promote the high frequency and miniaturization of the inverter, and efficiently use the distributed energy. Therefore, considering the wide application of DC-AC power electronic interfaces in microgrid and distributed energy, and to make up for existing deficiencies in traditional hard-switching inverters, an optimal control strategy and topology for an optimal-auxiliary resonant commutated pole (O-ARCP) inverter is proposed in this article. Firstly, this paper introduces the proposed inverter topology and analyzes the operation mode of the circuit with the control strategy. Then simulation experiments in islanding mode are carried out to verify the rationality of the content, and finally simplified experimental verification is carried out based on the simulation results. Simulation and experimental testing reveal that all switches of the proposed topology are in soft-switching mode, which proves the effectiveness of the proposed control strategy and analysis. The analysis and validation of this paper provide assistance in the development of control strategies and structures for soft-switching inverters.

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Fast current control for thyristor rectifiers

Nedeljković¹,

Stojiljković²

2003

IEE Proc., Electr. Power Appl.

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A current-prediction scheme for the PRDCL inverter-fed induction motor drive

Cited by 18 publications

References 5 publications

Novel Auxiliary Resonant Pole Inverter and its Optimal Control Strategy

Novel Auxiliary Resonant Pole Inverter and its Optimal Control Strategy

Topology and control strategy optimization of an auxiliary resonant commutated pole-based, soft-switching grid-connected inverter

Fast current control for thyristor rectifiers

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