Electrical circuit, in particular used for generating electrical power
An electrical circuit, in particular a circuit used for generating electric power, wherein this circuit comprises a generator with n phases, a converter and a transformer to which a p-phase load can be connected. The converter comprises m partial converters, each of the partial converters is composed of p units and each of these units is provided with n/m switching circuits. The switching circuits of the individual units are connected symmetrical to the generator.
1. An electrical circuit, said circuit comprising:
an n-phase generator;
a transformer, to which a p-phase load is connectable; and
a converter, including m partial converters, each of the m partial converters being subdivided into p units, each of the p units including n/m switching circuits, the switching circuits of individual ones of the p units being connected symmetrically to the n-phase generator, wherein
the windings of the generator form m series connections, which are connected parallel to each other, and
the transformer includes a primary winding and a single secondary winding.
2. The electrical circuit according to claim 1 , wherein the switching circuits of each of the p units are connected to each p-th phase of the generator.
3. The electrical circuit according to claim 2 , wherein the switching circuits of successively ones of the p units are connected to a phase of the generator that is offset by one phase.
4. The electrical circuit according claim 2 , wherein windings of the n-phase generator are connected in series, relative to each other, and wherein the transformer comprises a primary winding and m secondary windings.
5. The electrical circuit according to claim 4 , wherein the switching circuits of each of the p units are interconnected on an output side, and wherein the p units belonging to the individual partial converters are connected to the same secondary winding.
6. The electrical circuit according to claim 2 , wherein the windings of the generator form m series connections, which are connected parallel to each other, and wherein the transformer comprises a primary winding and a single secondary winding.
7. The electrical circuit according to claim 6 , wherein the switching circuits of each of the p units are interconnected on an output side and wherein all units of the partial converters are connected to the secondary winding.
8. The electrical circuit according to claim 2 , wherein the generator is connected mechanically to a turbine.
9. The electrical circuit according to claim 1 , wherein the switching circuits of successively ones of the p units are connected to a phase of the generator that is offset by one phase.
10. The electrical circuit according to claim 1 , wherein each of the switching circuits is provided with two thyristors, switched parallel in opposite directions.
11. The electrical circuit according to claim 10 , wherein each of the switching circuits comprises two series connections of thyristors that are switched parallel in opposite directions.
12. The electrical circuit according to claim 1 , wherein the number m of the partial converters represents a whole number divisor for the number n of the generator phases of the n-phase generator.
13. The electrical circuit according to claim 1 , wherein the switching circuits of each of the p units are interconnected on an output side and wherein all units of the partial converters are connected to the secondary winding.
14. The electrical circuit according to claim 1 , wherein a p-phase power supply grid is connected to the primary winding.
15. The electrical circuit according to claim 1 , wherein the generator is connected mechanically to a turbine.
16. The electrical circuit according to claim 1 , wherein the electrical circuit is useable for generating electrical power.
17. The electrical circuit according to claim 1 , wherein a p-phase power supply grid is connected to the primary winding.