Title :
DC-DC converter group with large output current based on digital control
Author :
Hongli, Cheng ; Shuwen, Jia ; Jian, Liu ; Li, Wang
Author_Institution :
Sch. of Commun. & Infrmation Eng., Xi´´an Univ. of Sci. & Technol., Xi´´an, China
Abstract :
To benefit the parallel current balancing, a novel digital control strategy, i.e., the current following control, is put forward. A current following control based Buck DC-DC converter-group is described. The main controller collect the output voltage and the output current in the real time, based on which, the desired output current for each Buck DC-DC converter is worked out and transferred to the corresponding sub-controller. The sub-controller regulates the output current of the converter to the desired value by using the current following control. Experiment and simulation results are given showing the feasibility and effectiveness of the proposed approach.
Keywords :
DC-DC power convertors; digital control; electric current control; switching convertors; DC-DC converter group; digital control; large output current; parallel current balancing; sub-controller; switching converters; DC-DC power converters; Digital control; Intelligent transportation systems; Low voltage; Matrix converters; Microprocessors; Power engineering and energy; Sliding mode control; Switching converters; Voltage control; Buck converters; DC-DC converters; digital control; parrallel currrnt balancing; switching converters;
Conference_Titel :
Power Electronics and Intelligent Transportation System (PEITS), 2009 2nd International Conference on
Conference_Location :
Shenzhen
Print_ISBN :
978-1-4244-4544-8
DOI :
10.1109/PEITS.2009.5406805
