Title :
Research on the stability of a wide input AC-DC converter used in high-speed low-voltage generator
Author :
Liuchen Tai ; Mingyao Lin ; Xinghe Fu ; Wei Zhang
Author_Institution :
Eng. Res. Center for Motion Control of MOE, Southeast Univ., Nanjing, China
Abstract :
A noninverting Two-Switch Buck-Boost (TSBB) converter with wide input range is proposed to convert the output voltage of high-speed low-voltage generator to constant. The small-signal model of the TSBB converter is built in different operation modes. The transfer function of the control system is derived. In order to simplify the control circuit, the synchronous switching control method and smooth transitions control strategy are proposed. The whole control system of the converter is easy to design and control. A prototype is built to verify the effectiveness of the proposed converter. The experimental results show that the converter can operate steady in wide AC input range.
Keywords :
AC-DC power convertors; control systems; synchronous generators; transfer functions; TSBB converter; control circuit system; high-speed low-voltage generator; noninverting two-switch buck-boost converter; operation modes; small-signal model; smooth transition control; synchronous switching control method; transfer function; whole control system; wide AC input range; wide input AC-DC converter stability; Equivalent circuits; Generators; Integrated circuit modeling; Switches; Switching circuits; Voltage control;
Conference_Titel :
Electrical Machines and Systems (ICEMS), 2014 17th International Conference on
Conference_Location :
Hangzhou
DOI :
10.1109/ICEMS.2014.7013614
