Analysis and Modeling of a New Coupled-Inductor Buck–Boost DC–DC Converter for Renewable Energy Applications

New Single‐Switch quadratic boost DC/DC converter with Low voltage stress for renewable energy applications

“…In recent years, the use of magnetically CI along with VMs has been a favorite candidate to further extension of the voltage gain ratio of quadratic boost converters [11–31]. In [11] a new single switch quadratic boost converter with continuous input current is introduced.…”

“…However, an input current with large ripple limits the application of the converter [26]. A new high step‐up converter with quadratic voltage gain based on cascading boost and buck‐boost is introduced in [28]. In this converter, using two power switches with simultaneous operation along with a CI, an ultra‐high step‐up/step‐down voltage conversion ratio is obtained.…”

Design, analysis, and implementation of a new high step‐up DC–DC converter with low input current ripple and ultra‐high‐voltage conversion ratio

“…Commonly, the produced voltage levels of the clean energy systems, for instance, photovoltaic and FCs, are low as making them inappropriate to link them to the grid directly. So, the boost DC–DC structures are required to boost the output DC voltage level of this type of energy source [4–6]. For example, in PV systems, the PV panel output voltage is about 24–40 V. Thus, to connect the PV panel to the grid, the output voltage should be increased at least to 300 V [7, 8].…”

Hybrid cascaded high step‐up DC/DC converter with continuous input current for renewable energy applications

“…The combinations of the cascade converters with CI and voltage boosting methods (especially VMs) provide an effective solution for achieving a very high voltage gain at low duty cycles along with low voltage stress across the power switch [16–33]. In [16, 17], new modified quadratic boost converters using CI and VMs are presented.…”

“…In these topologies, several low voltage capacitors are utilised in series instead of a high voltage output capacitor. Besides, a new double‐switch hybrid cascaded converter is presented in [33]. In this converter, by the help of CI analogue with two cascades semi‐stage, an ultra‐high step‐up/step‐down voltage conversion ratio with continuous input current is obtained.…”