Abstract
This paper presents dynamic phasor (DP) models of a single-phase diode-bridge rectifier (DBR). Single-phase DBRs serve as a primary building block of consumer electronics, whether with a simple filter or coupled with additional circuitry to produce unity power factor rectification. Four DP models are proposed, two models (DP-SF and DP-AW) suitable for systems with negligible line inductance and two models (DP-Full and DP-Fund) which can be used when the line inductance causes significant commutation overlap. The proposed models are implemented in MATLAB and simulation results are compared against a detailed switching model simulation. A significant reduction in simulation time is demonstrated by the proposed DP models. The simulation results are validated against experimental data, confirming the accuracy of the proposed modeling approaches.
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