A Review of Non-Isolated High Gain DC-to-DC Converter Topologies

Haris, Mohammad; Asim, Mohammed; Tariq, Mohd

doi:10.1109/icefeet51821.2022.9847767

Cited by 5 publications

(1 citation statement)

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“…High voltage gain has been produced with the help of some boost dc-dc topologies, which fall into two groups: transformer based and transformer-less based circuits. By raising the turn ratio of the transformer, a frequency transformer is utilized to enhance the output voltage gain for the isolated (2) . High voltage stress across components, conduction loss at high duty cycle, and low output voltage characterize non-isolated Traditional Boost converters (TBC).…”

Section: Introductionmentioning

confidence: 99%

Transformer-less DC-DC Converter with Low Duty Ratio Using a Single Switch and Quasi Impedance Based Network

Haris,

Asim,

Tariq

2024

IJST

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Objective: Transformer-less DC-DC converter suitable for low-power applications, with a high voltage gain. With fewer elements, this suggested converter may generate a higher gain voltage at a lower duty ratio. Method: A transformer-less quasi-Z-source DC-DC converter with gain is introduced and examined. To boost the load voltage, the topology makes use of both the switched capacitor and active switched-inductor structure based on the quasi-Z-impedance network. The theoretical outcomes and the converter's functionality are verified by the simulation, which is run using the PLECS software program. Findings: The benefits of the conventional Z-source boost converter, including fewer voltage stress, constant input current, and common ground, are still present in the suggested converter. Additionally, at a relative duty ratio of 0.3, the gain is greatly increased by around 10 times. Each power switch's voltage stress is also significantly decreased. A detailed discussion is held on the steady-state operation. Novelty: A novel architecture with higher voltage gain at a decreased duty ratio is presented in this work. The network of inductors and capacitors typically used to raise the dc-dc converter's output voltage. The suggested topology raises the output voltage by using just one switch and switched capacitor and switched inductor network.

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Section: Introductionmentioning

confidence: 99%