New Concept of the DC-DC Converter Circuit Applied for the Small Capacity Uninterruptible Power Supply

Huynh, Dang Minh; Ito, Y.; Aso, Shinji; Kato, Keizo; Teraoka, Kenji

doi:10.23919/ipec.2018.8507821

Cited by 6 publications

(4 citation statements)

References 7 publications

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“…In addition, they have high voltage spikes for power switches resulting from the stored energy at the boost inductor. On the other hand, the voltage-fed DC-DC converters have low primary switch voltage stress, minimal components, and small size [9][10][11][12][13][14][15][16][17][18][19][20][21]. The voltage-fed converters can be classified into the unidirectional core excitation topology and the bidirectional core excitation topology.…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, the unidirectional core excitation topology converters are used at low power level applications. Compared to the unidirectional core excitation converters, the bidirectional core excitation topology such as push-pull, half-bridge, and full-bridge converters have higher magnetic core utilization [10][11][12][13]. Therefore, the bidirectional core excitation topology converters are used for higher power level applications.…”

Section: Introductionmentioning

confidence: 99%

“…As a voltage-fed converter, the push-pull converter has desirable features for an intermediate DC-DC converter [13,14]. The push-pull converter has two power switches with a common ground, which can have simple gate-driving circuits.…”

Section: Introductionmentioning

confidence: 99%

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Design of a Step-Up DC–DC Converter for Standalone Photovoltaic Systems with Battery Energy Storages

Choi

Kwon

2021

Energies

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This paper proposes a step-up DC–DC converter for a power electronic circuit for standalone photovoltaic systems with battery energy storages. The proposed DC–DC converter effectively converts low DC battery voltage into high DC-link voltage. It operates with soft-switching characteristics, which can reduce switching power losses. The proposed converter operates without output voltage feedback, which simplifies its control design. The operation principle of the proposed converter was described, along with the overall system configuration. The experimental results were discussed for the 500-W prototype system using a 12-V lead-acid battery.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Design of a Step-Up DC–DC Converter for Standalone Photovoltaic Systems with Battery Energy Storages

Choi

Kwon

2021

Energies

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“…Several suggestions have been proposed by researchers for developing grid connected systems, including DC-DC converters. Many topologies of DC-DC converters have been designed for the purpose of improving the efficiency [3], such as the resonant type transformers that use zero current conversion or zero voltage switching and the DC-AC conversion system which uses the CLC resonant type fullbridge DC-DC converter [4] and new DC-DC non-isolated high gain converter called Double Zeta Quadratic Converter [5] and combination of two boost stages namely Quadratic Boost Zeta and Isolated Zeta forming Integrated Quadratic Boost Converter with high static voltage gain [6].…”

Section: Introductionmentioning

confidence: 99%

Design a New DC-DC Converter for a Grid Connected Photovoltaic System

Kaddour¹,

Dib²

2021

EJEE

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This paper presents a recent technique for photovoltaic grid connected systems based on the use of the (DPC-SVM) to select the optimal switching states to apply to the inverter, where the extended reactive power is used instead of reactive power. This technique allows achieving an optimal control of the inverter which manifests in controlling the converters using an MPPT algorithm instead of controlling each part separately. This yields to a reduced global control system on a large scale. In this context, we suggest a DC-DC boost converter circuit to ensure better behavior of the system. The FMV technique is used to inject specific harmonics in order to eliminate or minimize the undesired harmonics. The SVM model has also been developed for optimal control of the inverter to prove the high performance of the proposed method. All the results are analyzed theoretically. The simulation has shown that this strategy gives satisfactory performances, improvement of the power factor and a reduction of the THD by 37%.

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Design and Implementation of High Frequency Single Output Forward Converter for Space Application

Ramkumar¹,

Bhanuprakash²,

Singh³

et al. 2023

Lecture Notes in Electrical Engineering

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New Concept of the DC-DC Converter Circuit Applied for the Small Capacity Uninterruptible Power Supply

Cited by 6 publications

References 7 publications

Design of a Step-Up DC–DC Converter for Standalone Photovoltaic Systems with Battery Energy Storages

Design of a Step-Up DC–DC Converter for Standalone Photovoltaic Systems with Battery Energy Storages

Design a New DC-DC Converter for a Grid Connected Photovoltaic System

Design and Implementation of High Frequency Single Output Forward Converter for Space Application

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