Title :
V/sup 2/ control of cascade buck converters
Author :
Veerachary, Mummadi
Author_Institution :
Dept. of Electr. Eng., Indian Inst. of Technol., New Delhi, India
Abstract :
This paper presents a simple voltage mode V/sup 2/ control method for controlling the 2-cell cascade buck converter suitable for low voltage and high current applications. It uses two feedback loops, similar to current mode control, one for slow outer loop and the other for faster inner PWM control loop. To improve the transient response of the cascade converter system, a coupled inductor is used. This integrated magnetic design structure reduces size and improves the converter performance, both steady state and transient. The effectiveness of the proposed control is demonstrated through PSIM simulations.
Keywords :
DC-DC power convertors; PWM power convertors; cascade control; cascade systems; feedback; inductors; transient response; PWM control loop; cascade buck converters; cascade converter system; coupled inductor; feedback loops; high current applications; integrated magnetic design structure; low voltage applications; transient response; Buck converters; DC-DC power converters; Error correction; Pulse transformers; Pulse width modulation; Pulse width modulation converters; Signal generators; Surges; Switching converters; Voltage control;
Conference_Titel :
Telecommunications Energy Conference, 2003. INTELEC '03. The 25th International
Conference_Location :
Yokohama, Japan
Print_ISBN :
4-88552-196-3
