Design and Comparison Between PSFB and LLC 400/48V DC/DC Stage for On-Board Battery Charger During Total and Partial CC-CV Charging Cycles
Alessandro Campanini, Mattia Simonazzi, Marco Bosi, C. Rossi
Abstract
This paper compares a Full Bridge LLC Resonant Converter with a Phase Shifted Full Bridge Quasi-Resonant Converter used as a DC/DC stage for a 3 kW 400/48 V On-Board Charger. Considering a constant-current constant-voltage (CC-CV) charging cycle, aspects such as feasibility of achieving zero voltage switching for different loads, efficiency evaluation for different ranges of battery state of charge, component stress and sizing are investigated. To support considerations and results, simulations are carried out on MATLAB/Simulink and LTspice software.
Topics & Concepts
Battery chargerBattery (electricity)Electrical engineeringVoltageSizingMATLABBridge (graph theory)CapacitorConstant currentInductorConstant voltageEngineeringComputer scienceElectronic engineeringPhysicsPower (physics)ChemistryOrganic chemistryInternal medicineMedicineQuantum mechanicsOperating systemWireless Power Transfer SystemsAdvanced Battery Technologies ResearchAdvanced DC-DC Converters