Keywords
circuit analysis
dc-dc power converter
coupling inductors
pulse width modulation converter двонаправлений потік енергії
аналіз схеми
перетворювач постійного струму
магнітозв`язані індуктивності
перетворювачі з широтно-імпульсною модуляцією
How to Cite
Abstract
This paper shows generalized calculation of coupling coefficient for two-phase interleaved bidirectional converter. Switching period of such system was divided on modes and main parameters of the system was analyzed in each mode. Current ripple in each phase can be easily determined using calculation results and it depends on the values of duty cycle and coupling coefficient. It is demonstrated that coupling coefficient affects on current ripple in phase, but not on output current ripple. Based on increasing of the one phase inductance due to coupling an optimal coupling coefficient can be selected. Experimental prototype of bidirectional interleaved two-phase converter proved theoretical hypothesis.
References 15, figures 4.
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