{Three-phase AC/DC regulated power supplies: a comparative evaluation of different topologies}

Title{Three-phase AC/DC regulated power supplies: a comparative evaluation of different topologies}
Publication TypeConference Paper
Year of Publication2000
AuthorsSingh BN, Jain P, Joos G
Conference NameApplied Power Electronics Conference and Exposition, 2000. APEC 2000. Fifteenth Annual IEEE
Keywords10 kVA, 220 V, 48 V, AC-DC converters, AC-DC power converters, AC-DC power convertors, active components, Circuit simulation, control loops, control system complexity, Control systems, DC output, electric current control, input/output ports, output stage isolation, passive components, power electronics circuits, Power supplies, power supplies to apparatus, Pulse width modulation, Pulse width modulation converters, PWM current source rectifier, PWM power convertors, PWM semi-boost rectifier, PWM voltage source rectifier, Rectifiers, rectifying circuits, single-phase switched mode rectifier, steady state performance, Switching converters, Telecommunication switching, telecommunication systems, three-phase AC input, three-phase AC/DC regulated power supplies, Topology, transient performance
AbstractThis paper deals with a comparative evaluation of AC-DC power supplies with 220 V, three-phase AC input and 48 V DC output in 10 kVA power range. These are widely used AC-DC converters in many applications, particularly telecommunication systems. These converters can be categorized into three groups, first topologies based on single-phase switched mode rectifier and PWM semi-boost rectifier, second, topologies based on PWM current source rectifier and third, topologies based on PWM voltage source rectifier. Comparative evaluation includes number of active and passive components, number of control loops and complexity of control system, number of sensors, requirement of output stage isolation and performance of all the converters at input/output ports. Standard software for simulation for power electronics circuits provides steady state and transient performance of these converters. The size of all the active and passive components is set to meet the standard criteria for performance. The experimental verification of simulated results is carried out