Modelling and control of DC–DC Ćuk converter with and voltage multiplier cells for PV applications

Abstract

This study proposes the modelling and control of a Ćuk converter with reduced redundant power processing R 2 P 2 and voltage multiplier for photovoltaic (PV) applications. The converter makes use of a perturb & observe algorithm to extract the maximum power of a single PV panel. The proposed converter is derived from the association of the R 2 P 2 and voltage multiplier cells in order to achieve the high step-up voltage gain. This association allows a high-voltage gain, low-voltage and current stresses on the semiconductors. Experimental results are presented to validate the proposal a prototype with the input of 37.4 V, output voltage of 400 V and rated input power of 200 W.

Experimental Evaluation of a 2 kW/100 kHz DC–DC Bidirectional Converter Based on a Cuk Converter Using a Voltage-Doubler Concept

“…Ideally, the battery should be charged and discharged with a continuous current so the battery life will increase. The most appropriate converters for charging batteries are those with natural inductors in the output, such as the Buck, Zeta, and Cuk converters [19][20][21][22][23][24][25][26][27][28].…”

A modified two-switch SEPIC converter and its efficient switching function for grid-connected PV Applications

“…In this example, flexibility refers to the converter's capacity to sustain the output when the input varies. SEPIC, ordinary buck-boost, and Cuk converters are examples of well-known converters that can buck and boost the input voltage [5,8]. As a result, at all levels of irradiation, the abovesaid converters are capable of transmitting energy.…”

High step‐up buck–boost DC–DC converter with coupled inductor and low component count for distributed PV generation systems

“…The sources of a DG system produce DC or AC voltage and current. Thus, power electronics converters must convert this current or voltage into levels compatible with the grid tie, load, or microgrid DC bus 1–3 . Furthermore, it should be noted that, nowadays, the world's energy matrix is based predominantly on fossil fuels (nonrenewable energy sources), such as oil, coal, and natural gas.…”

“…Thus, power electronics converters must convert this current or voltage into levels compatible with the grid tie, load, or microgrid DC bus. [1][2][3] Furthermore, it should be noted that, nowadays, the world's energy matrix is based predominantly on fossil fuels (nonrenewable energy sources), such as oil, coal, and natural gas. According to the Hubbert curve, 4 world oil and natural gas reserves, as well as coal reserves, have already exceeded their maximum production (Hubbert Peak), which indicates that the world is currently witnessing a decline in production.…”