New challenges in power conditioning for telecommunications

Since standalone power systems with renewable energy generators are becoming competitive with respect to a grid connection solution for supplying telecommunications equipments in remote areas, power electronics converters are facing new challenges to simultaneously match the parameters of the renewable energies and to fulfil the telecommunications strict requirements. This paper presents a variety of DC-DC converter topologies. The most capable ones are studied and compared through simulation results. FB ZVS converter is the most efficient and LCL-type SRC with capacitive output is the most robust (allowing to keep a ZVS operation for a larger range of input voltage and load demand).