Title :
New synchronizing circuit suitable for paralleled converter system with automatic interleaving operation
Author :
Kohama, Takeshi ; Endo, Gen ; Shimamori, Hiroshi ; Ninomiya, Tamotsu
Author_Institution :
Dept. of Electr. Eng., Fukuoka Univ., Japan
Abstract :
New synchronizing circuit with automatic interleaving operation for paralleled converter system is proposed. The synchronizing circuit automatically detects the number of converters and adjusts phases between converter modules equally. It is simple analog circuit, which is easily implemented to conventional PWM controller IC. Principle of the synchronizing circuit is introduced, and influence of nonideal circuit parameters on interleaving operation are discussed. Experimental results are given to confirm analytical results. Compensator for non right-triangle oscillator in PWM IC is proposed to achieve wide-use application.
Keywords :
PWM power convertors; controllers; oscillators; power integrated circuits; synchronisation; PWM IC; PWM controller; automatic interleaving; compensator; nonideal circuit parameters; paralleled converter system; pulse width modulation; right-triangle oscillator; synchronizing circuit; Boundary conditions; DC-DC power converters; Frequency conversion; Interleaved codes; Pulse width modulation; Switching converters; Switching frequency; Topology; Transient response; Voltage;
Conference_Titel :
Applied Power Electronics Conference and Exposition, 2004. APEC '04. Nineteenth Annual IEEE
Print_ISBN :
0-7803-8269-2
DOI :
10.1109/APEC.2004.1295875
