On the derivation of control-to-output voltage of PWM current-mode controlled modular DC-DC converters: A PSIM-supported proof

In this paper we extend our previous work on deriving the control-to-output voltage transfer functions of pulse-width modulated current-mode controlled parallel-input/series-output dc-dc converters that operate in the continuous conduction mode by comparing the analysis results with responses obtained using the “ac sweep” tool available on PSIM simulation software. The topologies considered for the power stage are the full-bridge buck-based, the full-bridge boost- based, and the flyback.

[1]  R. B. Ridley,et al.  A new, continuous-time model for current-mode control (power convertors) , 1991 .

[2]  Xinbo Ruan,et al.  Control Strategy for Input-Series Output-Paralleled Converter , 2006 .

[3]  M. R. D. Al-Mothafar.  Small-signal modelling of current-programmed N-connected parallel-input/series-output bridge-based buck dc-dc converters , 2012, J. Frankl. Inst..

[4]  Marian K. Kazimierczuk,et al.  Modeling the closed-current loop of PWM boost DC-DC converters operating in CCM with peak current-mode control , 2005, IEEE Transactions on Circuits and Systems I: Regular Papers.

[5]  Gabriel Garcera,et al.  Analysis and design of a robust average current mode control loop for parallel buck DC-DC converters to reduce line and load disturbance , 2004 .

[6]  Byungcho Choi.  Comparative study on paralleling schemes of converter modules for distributed power applications , 1998, IEEE Trans. Ind. Electron..

[7]  Jung-Won Kim,et al.  Modeling, control, and design of input-series-output-parallel-connected converter for high-speed-train power system , 2001, IEEE Trans. Ind. Electron..

[8]  R.-T. Chen,et al.  Modelling and controller design of inductor-coupled multimodule DC-DC convertor with master-slave current-comparing scheme , 2005 .

[9]  Suhan Kim,et al.  Control design of a multi-module bidirectional converter for battery charging/discharging applications , 2010, The 2010 International Power Electronics Conference - ECCE ASIA -.

[10]  M.R.D. Al-Mothafar,et al.  Small-signal modelling of peak current-mode controlled buck-derived circuits , 1999 .

[11]  Ji-Yoon Yoo,et al.  A Novel Topology for Photovoltaic DC/DC Full-Bridge Converter With Flat Efficiency Under Wide PV Module Voltage and Load Range , 2008, IEEE Transactions on Industrial Electronics.

[12]  F. Blaabjerg,et al.  Power electronics as efficient interface in dispersed power generation systems , 2004, IEEE Transactions on Power Electronics.

[13]  Gun-Woo Moon,et al.  Phase-shifted parallel-input/series-output dual convertor for high-power high-output voltage applications , 2002 .

[14]  V. Vorperian,et al.  Synthesis of Medium Voltage dc-to-dc Converters From Low-Voltage, High-Frequency PWM Switching Converters , 2007, IEEE Transactions on Power Electronics.

[15]  Dorin O. Neacsu,et al.  On the small-signal modeling of parallel/interleaved buck/boost converters , 2010, 2010 IEEE International Symposium on Industrial Electronics.

[16]  S. N. Manias,et al.  A Modular Dc-dc Converter for High Outpot Voltage Applications , 1993, Proceedings. Joint International Power Conference Athens Power Tech,.

[17]  P.N. Enjeti,et al.  A Modular Fuel Cell, Modular DC–DC Converter Concept for High Performance and Enhanced Reliability , 2008, IEEE Transactions on Power Electronics.

[18]  Milan M. Jovanovic,et al.  Loop gain measurement of paralleled dc-dc converters with average-current-sharing control , 2008 .

[19]  J. J. Shieh,et al.  Analysis and design of parallel-connected peak-current-mode-controlled switching DC/DC power supplies , 2004 .