Patent ID: 9553526
Date: 2017-01-24
CPC Classifications: H01F,H02M,H02P

Claim:
1. Converter for converting energy from a generator to a power network, comprising: a frequency converter, wherein a) a number of phases of the generator is at least two, b) the converter comprises multiple power modules, c) each power module includes at least two power cells and a transformer for connecting the power cells to the power network, d) each power cell includes a phase input, a phase output, a transformer output connected to the transformer, a rectifier, a DC-link capacitor and a switching type inverter, e) for balancing an energy flow through the power cells of a power module, the transformer of the power module includes one generator-side winding for each of the power cells of that power module and exactly one common grid-side winding, and f) a capacity C where ΔU