H - Electricity – 02 – M
Patent
H - Electricity
02
M
H02M 3/24 (2006.01) H02M 3/28 (2006.01) H02M 3/335 (2006.01)
Patent
CA 2369060
The present invention relates to a bi-directional DC-DC converter and a DC-DC converter. More particularly, the present invention relates to a DC-DC converter used in a DC power source circuit for converting a power source voltage of a DC power source into a different DC voltage. Two sets of converter circuit portions include two pairs of switching elements Q1 to Q4, and two pairs of switching elements Q5 to Q8 connected in full bridge configuration. Series capacitors C1 and C2 are connected between the converter circuit portions and transformers Tr1 and Tr2 respectively. The switching phase of one switching element Q4 or Q8 is shifted by a 1/3n period from the switching phase of the other switching element Q1 or Q5 in the pair of switching elements. The switching phases of corresponding switching elements Q1 and Q5 in the converter circuit portions are shifted by a 1/2n period from each other.
Hasebe Takaya
Kurio Nobuhiro
Matsukawa Mitsuru
Nakagaki Hitoshi
Nissin Electric Co. Ltd.
Riches Mckenzie & Herbert Llp
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