An improved averaged model for boost DC-DC converters

An improved averaged model suitable for boost DC-DC converters is presented in this paper. It is developed on the basis of the averaging technique with the aim of appropriately taking into account the effects of switching phenomena. Thus, two appropriate trapezoidal signals have been introduced in order to model the transient evolutions of voltages and currents of the DC-DC converter devices over both turn-on and turn-off of the switch. This enables the synthesis of an appropriate averaged model of boost DC-DC converters, which can be usefully employed in determining average voltage and current evolutions, as well as steady state average powers. The worth and effectiveness of the proposed modelling approach has been validated through a simulation study, which refers to the case of a traditional boost DC-DC converter.

[1]  Gyu-Hyeong Cho,et al.  A Practical Switch Based State-Space Modeling of DC-DC Converters , 1987 .

[2]  G. H. Cho,et al.  A state-space modeling of nonideal DC-DC converters , 1988, PESC '88 Record., 19th Annual IEEE Power Electronics Specialists Conference.

[3]  S. Ben-Yaakov,et al.  Average models as tools for studying the dynamics of switch mode DC-DC converters , 1994, Proceedings of 1994 Power Electronics Specialist Conference - PESC'94.

[4]  Yan-Fei Liu,et al.  A general unified large signal model for current programmed DC-to-DC converters , 1994 .

[5]  Yu-Kai Chen,et al.  Modeling PWM DC/DC converters out of basic converter units , 1998 .

[6]  Z. Qian,et al.  A novel average model for single switch buck-boost DC-DC converter , 2000, Proceedings IPEMC 2000. Third International Power Electronics and Motion Control Conference (IEEE Cat. No.00EX435).

[7]  Ned Mohan,et al.  A new, large-signal average model for single-switch DC-DC converters operating in both CCM and DCM , 2001, 2001 IEEE 32nd Annual Power Electronics Specialists Conference (IEEE Cat. No.01CH37230).

[8]  George C. Verghese,et al.  Modeling and simulation of power electronic converters , 2001, Proc. IEEE.

[9]  Ali Davoudi,et al.  Numerical state-space average-value modeling of PWM DC-DC converters operating in DCM and CCM , 2006, IEEE Transactions on Power Electronics.

[10]  A. Davoudi,et al.  Realization of parasitics in state-space average-value modeling of PWM DC-DC converters , 2006, IEEE Transactions on Power Electronics.

[11]  J. Zarebski,et al.  Calculations Of Nonisothermal Characteristics Of DC-DC Converters With The Average Models Taken Into Account , 2006, Proceedings of the International Conference Mixed Design of Integrated Circuits and System, 2006. MIXDES 2006..

[12]  Ali Davoudi,et al.  Parasitics Realization in State-Space Average-Value Modeling of PWM DC–DC Converters Using an Equal Area Method , 2007, IEEE Transactions on Circuits and Systems I: Regular Papers.

[13]  J. Zarebski,et al.  Investigations of usefulness of average models for calculations characteristics of the boost converter at the steady state , 2008, 2008 International Conference on "Modern Problems of Radio Engineering, Telecommunications and Computer Science" (TCSET).

[14]  K. Natarajan,et al.  Parasitics and voltage collapse of the DC-DC boost converter , 2008, 2008 Canadian Conference on Electrical and Computer Engineering.

[15]  Dalibor Biolek,et al.  Symbolic analysis of DC-DC converters using generalized averaged model of PWM switch , 2009, 2009 MIXDES-16th International Conference Mixed Design of Integrated Circuits & Systems.

[16]  Luigi Galotto,et al.  Non-linear controller applied to boost DC-DC converters using the state space average model , 2009, 2009 Brazilian Power Electronics Conference.

[17]  Kamal Al-Haddad,et al.  Small-signal modelling and linear control of a high efficiency dual boost single-phase power factor correction circuit , 2009 .

[18]  K. I. Hwu,et al.  A KY Boost Converter , 2009, 2009 Twenty-Fourth Annual IEEE Applied Power Electronics Conference and Exposition.

[19]  Kuang Wang,et al.  A Novel Modeling Method of Nonideal Buck-Boost Converter in DCM , 2010, 2010 Third International Conference on Information and Computing.

[20]  G Gatto,et al.  Modelling and predictive control of a Buck-Boost DC-DC converter , 2010, SPEEDAM 2010.

[21]  Sihun Yang,et al.  Dynamic characteristics model of bi-directional DC-DC converter using state-space averaging method , 2012, Intelec 2012.