| 摘要 |
PROBLEM TO BE SOLVED: To provide a DC converter which has a simple configuration and achieves high-output and high-efficiency.SOLUTION: A current resonance type converter being a master section 10 and a slave section 11 of a DC converter 1 comprises: a first switching element and a second switching element connected to DC VDC in series; a transformer having a primary winding and a secondary winding; a serial resonance circuit in which a resonance reactor, the primary winding of the transformer, and a resonance capacitor are connected in series; and a third switching element and a fourth switching element which are connected to both ends of the secondary winding of the transformer; and a rectification circuit section which rectifies voltage induced in the secondary winding. The DC converter 1 further has a primary side current detection section 4 which detects resonance current IL 1 which flows into a series resonant circuit 16 as voltage and a rectification circuit control section 13 which controls to turn on/off the third switching element and the fourth switching element on the basis of the detection voltage. |
