High Hybrid Power Converter Performance Using Modern-Optimization-Methods-Based PWM Strategy

Abstract

Recently, interest in DC networks and converters has increased due to the high number of applications in renewable energy systems. Consequently, the importance of improving the efficiency of the hybrid converters has been highlighted. An optimal control strategy is a significant solution to handle the challenges of controlling the hybrid interleaved boost–Cuk converter. In this article, a modern-optimization-methods-based PWM strategy for a hybrid power converter is developed. In order to improve the performance of the hybrid converter, four modern optimization algorithms—namely, Manta ray foraging optimization (MRFO), Marine Predators Algorithm (MPA), Jellyfish Search Optimizer (JS), and Equilibrium Optimizer (EO)—are employed to minimize the input current ripple under different operation scenarios. The results of the proposed modern optimization algorithms have shown more efficient converter performance and balanced power-sharing compared with conventional strategies and the literature on optimization algorithms such as Differential Evolution (DE) and Particle Swarm Optimization (PSO). In addition, the results of all operation cases presenting the proposed optimal strategy successfully reduced the input current ripple and improve the performance of power-sharing at the converter compared with the conventional methods.

Simplified Nonlinear Current-Mode Control of DC-DC Cuk Converter for Low-Cost Industrial Applications

“…In [ 5 , 6 , 7 , 8 , 9 , 10 , 11 ], robust control methods have been studied with the DC-DC Cuk converter. For instance, a control algorithm based on fuzzy logic has been implemented with a photovoltaic (PV) system, in which a DC motor is fed via a Cuk power converter [ 5 ].…”

“…In [ 8 ], a down-sampled repetitive controller with a fractional-order phase-lead compensation has been utilized with the Cuk converter. Modern optimization algorithms have been integrated with the SMC method to control a hybrid interleaved boost-Cuk converter [ 9 ]. An ant colony-optimized maximum power-point tracking (MPPT) control system that employs a single Cuk converter as an impedance power adapter has been given in [ 10 ].…”