Title :
Boundary between CCM and DCM in fourth-order PWM converters
Author :
Niculescu, Elena ; Iancu, E.P.
Author_Institution :
Dept. of Electron. & Inf. & Autom., Craiova Univ., Romania
fDate :
6/21/1905 12:00:00 AM
Abstract :
A method of establishing the boundary between discontinuous conduction mode (DCM) and continuous conduction mode (CCM) operation of fourth-order PWM power converters (Cuk, Sepic, Zeta etc.) with parasitic elements is presented. The boundary between DCM and CCM, considered to be the critical load resistance Rcrit, is found as the positive root of a second-degree equation with unknown Rcrit
Keywords :
DC-DC power convertors; PWM power convertors; circuit analysis computing; Cuk convertors; Sepic convertors; Zeta convertors; continuous conduction mode operation; critical load resistance; discontinuous conduction mode operation; fourth-order PWM power converters; parasitic elements; second-degree equation; Circuits; Diodes; Equations; Inductors; Instruments; Pulse width modulation; Pulse width modulation converters; Switches; Switching converters; Voltage;
Conference_Titel :
Africon, 1999 IEEE
Conference_Location :
Cape Town
Print_ISBN :
0-7803-5546-6
DOI :
10.1109/AFRCON.1999.821853
