Patent ID: 11955904
Assignee: MITSUBISHI ELECTRIC CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 1:
2. The DC/DC converter according to claim 1, wherein
in second power transmission in which power is transmitted from the second DC power source to the first DC power source,
in the second converter, the control circuit performs DC/AC power conversion by performing on/off drive control of the positive electrode-side switching element and the negative electrode-side switching element such that the positive electrode-side switching elements and the negative electrode-side switching elements are alternately turned on at equal intervals with a short-circuit prevention time interposed, in each of the third bridge circuit and the fourth bridge circuit,
in the short-circuit prevention time, both of the positive electrode-side switching element and the negative electrode-side switching element, are brought to an off state in the third and fourth bridge circuits, and
in the first converter, when a second power transmission amount by the second power transmission is greater than a predetermined second reference value, the control circuit stops ori/off drive of the positive electrode-side switching element and the negative electrode-side switching element in the first bridge circuit and performs on/off drive control of the positive electrode-side switching element and the negative electrode-side switching element in the second bridge circuit, whereas when the second power transmission amount is smaller than the second reference value, the control circuit performs AC/DC power conversion by stopping on/off drive of the positive electrode-side switching element and the negative electrode-side switching element in both of the first bridge circuit and the second, bridge circuit.