Bridgeless PFC Rectifier for Single Stage Resonant Converter with Closed Loop and Improved Dynamic Response

Antony, A. Santhi Mary; Immanuel, D. Godwin

doi:10.1109/iciss49785.2020.9315946

Cited by 3 publications

(4 citation statements)

References 11 publications

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“…The three-phase VSI comprises of six-switches, controlled and turned by appending PWM strategies. [20]. When M1 was ON by invoking PWM-approach, stored energy in the inductor depicts the current flows through the closed circuit.…”

Section: Modementioning

confidence: 99%

“…The switching-characteristics of BC were managed by PWM-practices. Therefore, by controlling the switching-sequences of switches in VSI and BC definitive grid-integration with WECS was attained [24]. The evident were propounded by simulation results by utilizing MATLAB-Simulink.…”

Section: Modementioning

confidence: 99%

“…The DFIG based WECS was used as a wind source, as it was variable speed WT. It operates the rotor of WT at variable speed, as wind speed increases its speed of rotations also magnifies, where MPPT can be implemented [20]. The conventional block-diagram was depicted in fig.…”

Section: Modementioning

confidence: 99%

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An Unification of Type-3 Grid Connected Wecs in Open Modules Encapsulated by Boost Converter

MaryAntony,

Karthikeyan,

Tran

2024

Preprint

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In past three decades, consumption of energy requirements had escalated desperately. Sources were required to meet the power needs as fossil fuels were not able to balance the energy demands. The RES enacts the power needs as it was inexhaustible in nature. Henceforth, the growth rate of Renewable-Energy had been increased intensively to meet the electrical energy demand. RES were expedient and extensively available in nature. An overview of grid-connected WECS manifests type-3 variable speed WT with DFIG was expedient. The accomplishment of DC-DC converter on DFIG based grid connected system epitomize Re-Boost converter (RBC) to be superior in its performance. The Re-boost converter had effectuated in open-loop and closed-loop operation for unification of DFIG based grid connected systems. The DC link voltage of grid connected Inverter had been stabilized by shunting DC-Link Capacitors. The DC-link capacitor had been embraced between the GCS and RSC. It was shunted primarily to provide smooth input to the inverter connected to the grid. AC–DC Converters have diminished conduction & switching losses but empathizes low PF and HD to be more. DC–AC Converters have less switching-stress and harmonics but embraces higher conversion loss. AC–AC Converter achieves higher efficiency but have prevailed the drawbacks due to large size and high harmonics. DC-DC converters embraces the power boosting stage. A Boost Converter (BC) was best suited and reliable due to its better performance and lower power losses. This converter encompasses a topology with continuous input-current which invokes reduced voltage stress. The PI-Controller provides zero control error and it was insensitive to interference of the measurement control. The FOPID-Controller exhibits more adjustable time and frequency responses.

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Section: Modementioning

confidence: 99%

Section: Modementioning

confidence: 99%

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An Unification of Type-3 Grid Connected Wecs in Open Modules Encapsulated by Boost Converter

MaryAntony,

Karthikeyan,

Tran

2024

Preprint

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“…Commonly used single-stage active power PFC rectifiers are classified into two types, boost-derived and buck-derived, among which the boost PFC circuits have been widely used [5][6][7][8][9][10][11][12][13][14][15][16][17][18]. The boost PFC rectifier has the following advantages: (i) the inductor is directly connected to the power supply at the input end, and in the continuous conduction mode (CCM), the input current is continuous; so that the input current spike can be suppressed, the electromagnetic interference is smaller, and the power factor can be higher; (ii) the main power switch driver does not need to be isolated, so that the driver circuit is easy to design; (iii) the input current is the inductor current, which makes it easy to realize current mode control; (iv) it has a high output voltage, so compared to other circuit topologies, it has a better hold-up time after a power failure when using the same capacitor size.…”

Section: Introductionmentioning

confidence: 99%

Single-Stage Step-Down Power Factor Corrector without Full-Bridge Rectifier

Hwu,

Shieh,

2024

Applied Sciences

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In this paper, a single-stage step-down power factor corrector without a full-bridge rectifier is developed, which is designed to operate in discontinuous conduction mode (DCM). In terms of control, the DCM has the advantages of simple control and easy realization, no slope compensation, zero current switching, and no diode reverse current. By sampling the output voltage and using the voltage-follower control to generate the necessary control force to drive the power switch, not only can the output voltage be stabilized at the desired value, but also the input current can be, as much as possible, in the form of a sinusoidal waveform and can follow the phase of the input voltage. Moreover, the harmonic distortion meets the requirements of the IEC6100-3-2 Class D harmonics standard, and, thus, the proposed rectifier is appropriate for the computer, computer monitor, and television receiver. Eventually, by means of mathematical deductions, simulations by PSIM version 9.1, and experimental results, the feasibility and effectiveness of the proposed circuit can be verified.

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DC-DC Converter for Fast Charging Li-Ion Battery in Electric Vehicle

Mary Antony,

Sen

et al. 2023

2023 International Conference on Innovative Computing, Intelligent Communication and Smart Electrical Systems (ICSES)

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Bridgeless PFC Rectifier for Single Stage Resonant Converter with Closed Loop and Improved Dynamic Response

Cited by 3 publications

References 11 publications

An Unification of Type-3 Grid Connected Wecs in Open Modules Encapsulated by Boost Converter

An Unification of Type-3 Grid Connected Wecs in Open Modules Encapsulated by Boost Converter

Single-Stage Step-Down Power Factor Corrector without Full-Bridge Rectifier

DC-DC Converter for Fast Charging Li-Ion Battery in Electric Vehicle

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