| 摘要 |
A DC/DC converter including a first conversion branch stretching between a first and a second DC terminal, a first controllable voltage source in a first half of the first conversion branch, a second controllable voltage source in a second half of the first conversion branch, a conversion unit converting between AC and DC and at one end connected to a third and a fourth DC terminal, and a transformer with a primary winding connected in a first interconnecting branch stretching between a first junction at which the first and second controllable voltage sources are connected to each other and a first potential that lies in the middle between the potentials of the first and second DC terminal, and a secondary winding connected to another end of the conversion unit.
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