Transformer arrangement
AssigneeHitachi Energy Switzerland AG
InventorsRoberto Alves, Nan Chen, Frans Dijkhuizen, Jan Svensson, Alireza Nami
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Abstract
A transformer arrangement is provided. The transformer arrangement includes a transformer with a primary and a secondary winding and a chain link of switching blocks connected in series between one of the windings and a load, where the switching blocks comprise a first set of voltage contribution blocks and a second set of circuit breaker blocks, where the first set of voltage contribution blocks is configured to adjust a voltage output by the transformer with an offset voltage and the second set of circuit breaker blocks is configured to interrupt a current running through the chain link.
Claims20
A transformer arrangement comprising:
- a transformer with a primary and a secondary winding;
- and
- a chain link of switching blocks connected to one of the secondary windings and connectable in series between said one of the windings and a load, said switching blocks comprising a first set of voltage contribution blocks and a second set of circuit breaker blocks, where the first set of voltage contribution blocks is configured to adjust a voltage output by the transformer with an offset voltage and the second set of circuit breaker blocks is configured to interrupt a current (Iload) running through the chain link, wherein at least some of the blocks are grouped into cells, each cell comprising at least one voltage contribution block and at least one circuit breaking block.
Dependencies are inferred from the claim text.