Survey on non-isolated high-voltage step-up dc–dc topologies based on the boost converter

By F. L. Tofoli, D. C. Pereira, W. J. Paula, D. S. Junior. 2015

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High Step-Up DC–DC Converter With Active Switched-Inductor and Passive Switched-Capacitor Networks (2018, background): “Conversely, the utilization of nonisolated high step-up dc–dc converters has been extensively addressed in several applications involving low-power renewable energy sources, because of their simplicity, size, cost, and good efficiency when compared to isolated topologies [3], [4], [7].”
DC–DC Boost Converter With a Wide Input Range and High Voltage Gain for Fuel Cell Vehicles (2019, background): “Isolated converters are widely used in many applications, and an arbitrarily high voltage gain can be theoretically achieved by increasing the turns ratio of the transformer employed [10].”
Quadratic Boost DC–DC Converter With High Voltage Gain and Reduced Voltage Stresses (2019, background): “Moreover, it is not suitable for highpower applications because only two power devices are used to process the load power and it has high voltage and current stresses [8].”
Switched-Capacitor-Based Dual-Switch High-Boost DC–DC Converter (2018, methodology): “In the first stage, a high-step-up dc–dc converter is used to convert a low voltage into a constant dc-bus voltage [1], [2].”
Step-Up DC–DC Converters: A Comprehensive Review of Voltage-Boosting Techniques, Topologies, and Applications (2017, background): “rejection ratio and input voltage and current ripples while lowering electromagnetic interference (EMI) and costs [6]–[11].”